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Contractor job
Senior Python Developer
Nexus Jobs Limited
Published on
£300-450
London, England, United Kingdom
Senior Python Developer Our Client is looking to recruit a seasoned Senior Python Software Developer with at least 5 to - 8 years experience of developing software in Python . You must have excellent technical excellence in Python in developing a is required. Excellent verbal communication skills (English a must) Ability to provide recommendations for the e2e architecture infrastructure Proven experience with designing back-end architectures. An understanding of application performance tuning and resource usage Ability to troubleshoot existing scripts and do point bug fixes / application redesign Highly experienced in multiprocessing, multiprocessing, and asynchronous python development (asyncio module) Experience with Docker containers, micro services, and CI/CD pipeline a plus Experience with Django, Flask is a plus Working knowledge with MongoDB, JSON, sync/async architecture Working knowledge of networking theory (TCP/IP) or strong desire to learn it You collaborate with other engineers and people in the organization to improve our solution delivery You believe in Lean/Agile principles and actively work to incorporate them in the organization You care about your craft and strive towards producing high-quality code. A very high degree of autonomy, self-learning and problem solving is expected You should enjoy working in a team and collaborating on projects and codebases. This position can be based anywhere in Europe. The rate will depend upon the level of expertise. The duration of this contract assignment is 6 months. Do send your CV to us in Word format along with your daily rate and availability.
Contractor job
Mobile Backend Developer (JAVA/Kotlin)
LA International Computer Consultants Ltd
Published on
6 months
£425-525
M6 7WQ, Salford, England, United Kingdom
Mobile Backend Developer (JAVA/Kotlin) 6 Month contract initially + Extensions Based: Hybrid - 2-3 days onsite in Manchester Rate: £425 - £525 p/d - (via Umbrella company) We have a great opportunity with a world leading organisation where you will be provided with all of the support and development to succeed. A progressive organisation where you can really make a difference. We have a great opportunity for a Mobile Backend Developer (JAVA/Kotlin) to join the team. We are seeking a Senior Application Engineer (Backend cloud based application development) with deep technical expertise and thought leadership. You will drive strategy for your area of expertise across teams and foster a developer community within your domain. The role involves mentoring junior staff, ensuring high-quality deliverables, promoting best practices like TDD and BDD, and leading engineering practices across the SDLC. Key Responsibilities; * Provide advanced technical expertise in Backend Development, supporting the team with effective solutions and practical insights. * Participate in all phases of the Software Development Life Cycle (SDLC), including requirements gathering, development, deployment, and ongoing maintenance. * Demonstrate a commitment to keeping up with industry trends, emerging technologies, and best practices, actively applying them in your work. * Contribute new ideas, tools, and methodologies to help foster a culture of continuous improvement and innovation within the team. * Share knowledge and mentor peers and junior engineers, supporting their growth and skills development. * Collaborate with technical leads, IT teams, and business stakeholders to understand project requirements, implications, and dependencies. * Review and provide feedback on technical documentation, suggesting improvements where appropriate. * Promote and practice best development approaches such as Test-Driven Development (TDD) and Behavior-Driven Development (BDD) to deliver high-quality, maintainable code. * Apply design patterns to address complex problems, ensuring code is efficient, readable, and reusable. * Adhere to IT and Information Security policies and procedures in all engineering activities. Key Skills & experience: * Preferred - Experience of building distributed scalable microservices using Java/Kotlin, Spring Boot, OAuth 2.0, Secure API design * Understanding of API design for mobile application with event driven architecture * Strong analysis and problem-solving skills * Knowledge of the financial services industry * Other technologies/areas: AWS, API Design, Automation testing This is an excellent opportunity on a great project of work, If you are looking for your next exciting opportunity, apply now for your CV to reach me directly, we will respond as soon as possible. LA International is a HMG approved ICT Recruitment and Project Solutions Consultancy, operating globally from the largest single site in the UK as an IT Consultancy or as an Employment Business & Agency depending upon the precise nature of the work, for security cleared jobs or non-clearance vacancies, LA International welcome applications from all sections of the community and from people with diverse experience and backgrounds. Award Winning LA International, winner of the Recruiter Awards for Excellence, Best IT Recruitment Company, Best Public Sector Recruitment Company and overall Gold Award winner, has now secured the most prestigious business award that any business can receive, The Queens Award for Enterprise: International Trade, for the second consecutive period.
Contractor job
AI Developer
LA International Computer Consultants Ltd
Published on
6 months
England, United Kingdom
***SC CLEARED*** AI Developer 6 Month contract initially Location: Remote Rate: £Market rates p/d (via Umbrella company) We have a great opportunity with a world leading organisation where you will be provided with all of the support and development to succeed. A progressive organisation where you can really make a difference. We have a great opportunity for an AI Developer to join the team. Key Skills & Experience: AI software development o Proof of concept development o LLM Stack (e.g. oLlama + LangChain) o Scikit Learn o Transition from synthetic data to production data o Agile Scrum This is an excellent opportunity on a great project of work, If you are looking for your next exciting opportunity, apply now for your CV to reach me directly, we will respond as soon as possible. Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment which can take up to a minimum 10 weeks. LA International is a HMG approved ICT Recruitment and Project Solutions Consultancy, operating globally from the largest single site in the UK as an IT Consultancy or as an Employment Business & Agency depending upon the precise nature of the work, for security cleared jobs or non-clearance vacancies, LA International welcome applications from all sections of the community and from people with diverse experience and backgrounds. Award Winning LA International, winner of the Recruiter Awards for Excellence, Best IT Recruitment Company, Best Public Sector Recruitment Company and overall Gold Award winner, has now secured the most prestigious business award that any business can receive, The Queens Award for Enterprise: International Trade, for the second consecutive period.
Job Vacancy
Senior Software Developer
Rise Technical Recruitment Ltd
Published on
£50k-60k
Hyndburn, England, United Kingdom
Senior Software Developer Accrington £50,000 - £60,000 + Discretionary Bonus + Salary Reviews + Holiday + Pension + Training + Progression Are you a Senior Software Developer with strong C#, .net and SQL experience looking for a role where you can take ownership and make a real difference? Do you want the autonomy to resolve platform issues, improve performance and help shape the future of a market-leading system used by major national organisations? This is an opportunity to join a UK-leading fuel management technology company with a large national customer base across transport, logistics and public sector organisations. Their systems provide critical data around vehicle mileage, fuel usage and operational efficiency, helping customers reduce costs and improve performance. Due to continued growth and platform development, they are looking to strengthen their team with a capable Senior Developer who can support, enhance and modernise their existing systems while contributing to future improvements. This role would suit a Senior Developer looking for stability, responsibility and the opportunity to play a key part in improving a widely used, business-critical platform. The Role: Developing and maintaining applications using C#, .NET and SQL Server. Working extensively with SQL, including database design and performance optimisation. Improving and enhancing an established platform. Building and supporting APIs and backend services. Collaborating with internal stakeholders to deliver new features and system improvements. The Person: Strong commercial experience with C# / .NET. Solid SQL Server knowledge, including performance tuning. A proactive problem solver who enjoys ownership and responsibility. Confident communicator, able to explain technical concepts clearly. Reference Number: BBBH268610 Rise Technical Recruitment Ltd acts an employment agency for permanent roles and an employment business for temporary roles. The salary advertised is the bracket available for this position. The actual salary paid will be dependent on your level of experience, qualifications and skill set and will be decided by our client, the employer. Rise are not responsible or liable for any hiring decisions made by the end client. We are an equal opportunities company and welcome applications from all suitable candidates.
Job Vacancy
C# .NET Software Developer with FX
Nexus Jobs Limited
Published on
£50k-60k
City of London, England, United Kingdom
C# .NET Software Developer with FX Our Client is a niche boutique broker specialising in FX. They are looking to recruit a C# .NET Software Developer with at least 3 to 5 years proven trach record of developing with C# .NET ideally with some understanding FX projects. The Company is a fast growing dynamic brokerage firm, specialising in currency options and interest rate swaps. They are seeking a talented technologist to join the London team. You will be working in a fast paced, delivery focused environment where you will get the opportunity to make a genuine impact on the business rather than just ‘making up the numbers’. Initially reporting to the CTO, the successful candidate will become a key member of the global team. There will be a large amount of autonomy in the role, giving the candidate the opportunity to showcase their development talents, Responsibilities :- Re-architecting and building the in-house middle office platform and integrating with a new trading platform. Developing pricing toolsets Integrating to external reporting/tradeflow and pricing APIs. Maintaining the company’s daily operation on the existing platforms. Essential skills :- Minimum 3 years experience Microsoft web technologies ( C#, Core MVC ) Relational database experience (SQL Server) Proactively able to build relationships with stakeholders:- sales, brokers, middle office, external vendors. Ability to produce clean, well-written, fully tested production ready software. Desirable skills :- Knowledge of the FIX protocol Knowledge of FX trade processing Basic knowledge of Foreign exchange products (vanilla/exotic options, fx cash) ( training will be given) Qualifications: Computer Science related degree preferred At least 3 years experience in a comparable development role. The Client is based in the City of London. The salary for this role will be £50K - £60K. Please do send your CV to us in Word format along with your salary and availability.
Job Vacancy
Full Stack Developer - Typescript
Computer Futures
Published on
£70k-90k
Coventry, United Kingdom
Job Title: Senior Full Stack Developer (TypeScript, Node.js, AWS) Location: Remote (must be UK citizen) Contract Type: [Permanent] Experience Level: 10-20 years About the Role We are seeking an exceptional Senior Full Stack Developer with a proven track record in designing and delivering scalable, high-performance applications. This role requires deep technical expertise, strong architectural skills, and the ability to collaborate effectively across teams. Key Responsibilities Design, develop, and maintain robust full-stack applications and services. Architect and implement scalable cloud-based solutions leveraging AWS . Optimise system performance, reliability, and security. Collaborate with developers, DevOps engineers, and product managers to deliver high-quality solutions. Conduct code reviews and mentor team members to uphold best practices. Drive continuous improvement through automation and modern development methodologies. Troubleshoot and resolve complex technical issues efficiently. Essential Skills & Experience TypeScript expertise is mandatory. If you do not have strong, demonstrable experience with TypeScript, your CV will not progress beyond initial screening. Minimum 10 years of hands-on software development experience (10-20 years preferred). Strong back-end development skills using Node.js . Proven experience with AWS and cloud-based architectures. Full-stack proficiency with modern frameworks (e.g., React). Solid understanding of software architecture, design principles, and microservices. Experience with serverless architecture, containers (Docker, Kubernetes), and CI/CD pipelines. Excellent problem-solving, debugging, and communication skills. Preferred Qualifications Experience with databases such as PostgreSQL, Redis, TimescaleDB. Familiarity with additional languages (Python, Java, C/C++). Knowledge of infrastructure as code (IaC), DevOps methodologies, and security best practices. Exposure to monitoring tools (Prometheus, Nagios) and API design (GraphQL, REST). To find out more about Computer Futures please visit Computer Futures, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy | Registered office | 8 Bishopsgate, London, EC2N 4BQ, United Kingdom | Partnership Number | OC387148 England and Wales
Job Vacancy
Senior Laravel Developer
Rise Technical Recruitment Ltd
Published on
£50k-60k
United Kingdom
Senior Laravel Developer Swindon (Hybrid - 3 days per-week) £50,000 - £60,000 + Bonus + Progression + Pension + Holidays + Progression An excellent opportunity awaits an experienced Laravel/PHP Developer to join a growing business. This role offers strong technical variety, and clear progression opportunities to progress into a team or technical leadership role. This company is an established but expanding B2B business, with technology as its key differentiator they're looking to further grow and diversify their SaaS solutions offering to their client base. In this role, you'll take ownership of both new and existing systems, including maintaining legacy code where required. You'll be hands-on across Laravel applications, APIs, and third-party integrations, working as part of a multidisciplinary team as the platform grows. As a smaller but scaling business, you'll have real influence over the product, codebase, and technical direction long term. This role is hybrid based 3 days per week in the Swindon office. The ideal candidate will have strong experience with Laravel and PHP and some front end knowledge. Ideally you will have cloud experience (AWS, Azure, or GCP) as well. This role suits an experienced developer where you can transition into a Lead Developer position in the short to medium term. This is a great opportunity for a Senior PHP/Laravel Developer looking for ownership over development and direction in a role that offers support, progression, and development opportunities. The Role: * Take ownership of new and existing systems mainly in PHP/Laravel, including legacy code, with responsibility for how they evolve * Lead the hands-on development of a growing software suite across Laravel, APIs, and third-party integrations * Contribute to and shape technical decisions around product direction, scalability, and architecture * Hybrid role based in Swindon, with a minimum of 3 days per week in the office The Person: * Strong commercial experience with PHP and Laravel, comfortable owning and improving existing systems * Full-stack developer with solid SQL/database experience; cloud exposure (AWS, Azure, or GCP) is beneficial * Looking for a senior role with real ownership and a clear path into Lead Developer responsibility * Based within commutable distance of Swindon with full UK right to work Rise Technical Recruitment Ltd acts an employment agency for permanent roles and an employment business for temporary roles. The salary advertised is the bracket available for this position. The actual salary paid will be dependent on your level of experience, qualifications and skill set and will be decided by our client, the employer. Rise are not responsible or liable for any hiring decisions made by the end client. We are an equal opportunities company and welcome applications from all suitable candidates.
Job Vacancy
Frontend Software Developer with React
Nexus Jobs Limited
Published on
£45k-60k
United Kingdom
Frontend Software Developer with React Working as part of the Digital team, you'll be responsible for and delivering some exciting frontend and UX improvements to an eCommerce website as well as other internal applications for this award-winning Luxury Travel Company. You will be responsible for: Own the frontend of the eCommerce website, making continual improvements Collaborating with the back end developer and design resource to deliver improved UI & UX Participate in design discussions and be the voice of the customer on usability Skills and Experience: Excellent working knowledge of HTML, JavaScript, jQuery, CSS & React Framework Previously delivered multiple responsive websites Happy to develop from both wireframes and full designs Experience of working with and developing alongside a CMS (preferably with Umbraco) Capable of working with multiple (REST) APIs documented with e.g. OpenAPI/swagger and other API messaging formats e.g. JSON, XML, SOAP Good knowledge of technical SEO best practices, familiar with LightHouse on assessing page load times Worked in an agile/Kanban environment and familiar with JIRA and confluence Familiar with Git and source control The Client would like someone to join the team with at least 3 to 6 years proven track of developing software using React, HTML and Javascript. The salary for this role will be circa £45K - £60K depending experience. The Client has offices in Central London – for now the role will be remote. Do send your CV to us in Word format along with your salary and availability.
Contractor job
Fullstack developer
LA International Computer Consultants Ltd
Published on
40 months
Bellshill, Scotland, United Kingdom
Role Title: Fullstack Developer Location: Edinburgh Duration: 29/07/2026 End client: Vanguard Intl UK Days on site: 5 Rate INSDIE IR35 £358 MUST BE PAYE THROUGH UMBRELLA Role Description: WNS Global Services is looking to hire a seasoned Lead full-stack developer with exceptional skills in .NET Core, C#, SQL, Rest API, Microservices/micro frontend, Entity Framework, Angular (16+ version) and Azure for developing solution that aligns with Architecture, Security, Risk & Compliance requirements of the UK based wealth management client. The position requires in-depth knowledge of the following: Must have skills: * Overall 10+ year experience in developing web applications using .NET Core. * At least 3+ years in Angular 16+ with a good understanding of responsive UI/UX * Experience using state management e.g. NgRx or NgXs * Exceptional skills in C# .NET, ASP.net CORE, Rest API and MVC, LINQ, Microservices/micro frontend, Entity Framework. * Clear working knowledge & experience in Azure Logic Apps, Azure SQL Database, Service Bus (Queues), .Net Core App for Azure, Azure Serverless, Azure Functions * Confident communicator, keen to learn and share knowledge * Candidates should have worked in agile environment, leading and driving projects independently. * Clear understanding of security aspects like Subscription key, authentication, and authorization * Unit testing tools experience (xunit, nunit, karma & jasmine or Jest) Good to have skills: * Candidates with experience in Wealth Management domain preferred * Docker * Azure DevOps (CI/CD pipelines) * Agile practices (Scrum/Kanban) Please send latest CV LA International is a HMG approved ICT Recruitment and Project Solutions Consultancy, operating globally from the largest single site in the UK as an IT Consultancy or as an Employment Business & Agency depending upon the precise nature of the work, for security cleared jobs or non-clearance vacancies, LA International welcome applications from all sections of the community and from people with diverse experience and backgrounds. Award Winning LA International, winner of the Recruiter Awards for Excellence, Best IT Recruitment Company, Best Public Sector Recruitment Company and overall Gold Award winner, has now secured the most prestigious business award that any business can receive, The Queens Award for Enterprise: International Trade, for the second consecutive period.
Contractor job
Embedded Systems Developer - (Contract)
Real Staffing
Published on
6 months
€450-550
Munster, Ireland
Senior C#/.NET Engineer (Blazor) - Freelance Contract Location: Limerick, Ireland (Hybrid - 4 days onsite) Contract: 6 months (likely extension) Rate: c. €500 daily (dependant on experience) Start Date: (ASAP) About the role We're looking for a senior engineer strong in C#/.NET who enjoys building high-performance Blazor applications and reliable backend services . You'll be working on a self-hosted SPA built in Blazor with Redux.NET , plus workflow-heavy services using state machines (Stateless). If you like solving real system problems - not just building screens - this is a good one. Must-have 10+ years' commercial experience in software engineering Expert-level C#/.NET (async/await, CancellationToken, IAsyncEnumerable) Strong concurrency/threading knowledge and performance mindset ASP.NET Core (APIs, background services) Blazor (Server and/or WASM) State management experience (ideally Redux.NET ) Workflow/state machine experience (ideally Stateless ) Comfortable reading/debugging C++ when issues cross boundaries Experience in complex systems (device integration, multi-service environments) Nice-to-have Stronger C++ beyond debugging Docker / self-hosted deployments Device comms: MQTT, USB/Serial, CAN Regulated development exposure (e.g. IEC 62304 / ISO 13485), testing/traceability Practical details Hybrid: 4 days onsite (Limerick) - Not negotiable. Contract: 6 months, extension likely if delivery stays on track Interview process: typically 1-2 stages (screen + technical) Please click to find out more about our Key Information Documents. Please note that the documents provided contain generic information. If we are successful in finding you an assignment, you will receive a Key Information Document which will be specific to the vendor set-up you have chosen and your placement. To find out more about Real, please visit Real Staffing, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy | Registered office | 8 Bishopsgate, London, EC2N 4BQ, United Kingdom | Partnership Number | OC387148 England and Wales
Contractor job
Android Developer
Ahead Digital
Published on
Android
Kotlin
Mobile application
12 months
Brussels, Brussels-Capital, Belgium
We our looking for someone who will gather business requirements around functionality and translate those requirements into simple but effective Android solutions, designing mobile user interfaces. Your objective : developing Android applications to enhance mobile user experience for one of the biggest bank & insurance company in Europe. This assignment is a full-time freelance contract, to be filled promptly. On a day-to-day basis, you will be in charge of : Understanding business needs & project requirements Analyze the business requirements. Gather specifications and requirements based on technical needs and translate them into reliable Kotlin code Developing application Design and build advanced hybrid applications for Android platforms Create compelling mobile device specific user interfaces and experiences optimizing performance for the apps /web. Collaborate with cross-functional teams to define, design, and ship new features. Work on bug fixing and improving application performance. Help maintain code quality, organization, and automatization Communicating about the project Attend client/team meetings during development process. Communicate to the Project Manager with efficiency and accuracy any progress and/or delays. Engage in outside-the-box thinking to provide high value-of-service to clients. Monitoring technology Keep up to date on the latest industry trends in the mobile/web technologies. Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
Job Vacancy
Frontend Software Developer with Javascript HTML
Nexus Jobs Limited
Published on
£40k-50k
United Kingdom
Frontend Software Developer with Javascript and HTML Our Client is looking to recruit Frontend Software Developer with at least 3 to 5 years experience of developing Frontend software with Javascript and HTML Working as part of the Digital team, you'll be responsible for and delivering some exciting frontend and UX improvements to an eCommerce website as well as other internal applications for this award-winning Luxury Travel Company. The Role You will be responsible for: Own the frontend of the eCommerce website, making continual improvements Collaborating with the back end developer and design resource to deliver improved UI & UX Participate in design discussions and be the voice of the customer on usability Skills and Experience: Excellent working knowledge of HTML, JavaScript, jQuery, CSS & React Framework Previously delivered multiple responsive websites Happy to develop from both wireframes and full designs Experience of working with and developing alongside a CMS (preferably with Umbraco) Capable of working with multiple (REST) APIs documented with e.g. OpenAPI/swagger and other API messaging formats e.g. JSON, XML, SOAP Good knowledge of technical SEO best practices, familiar with LightHouse on assessing page load times Worked in an agile/Kanban environment and familiar with JIRA and confluence Familiar with Git and source control The Clients offices are based in Central London and this role will be remote working. The salary for this role will be in the range £40K to £50K. Do send your CV to us in Word format along with your salary and availability.
Contractor job
Fullstack Backend Developer with C# .net
Nexus Jobs Limited
Published on
£350-500
United Kingdom
Fullstack Backend Developer with C# .net Working as part of the Digital team, you'll be responsible for the ongoing development and improvements to an eCommerce website as well as other internal applications for this award-winning Travel Company. You will be responsible for: Leading the eCommerce web and application development from a technical perspective Collaborating with the front end developer and design resource to deliver improved UI & UX A problem solver - you'll need to be able to analyse and suggest improvements to existing website features Analysing and identifying ways to automate processes working alongside the business lead Implementing automated regression testing for the software developed Skills and Experience: Excellent working knowledge of ASP.NET, C#, HTML, JavaScript, jQuery, React Framework, MS SQL Server, Mongo DB, Elasticsearch Understanding of SOLID development principles Worked previously on projects using the Umbraco CMS Continuous Delivery skills, tools and techniques (e.g. Git, Github, Team City, Octopus, Jenkins, Selenium, etc.) Familiar with Azure cloud services & setting up/managing resources/deploying apps Familiar with JIRA and Confluence Capable of working with (and developing) multiple (REST) APIs documented with e.g. OpenAPI/swagger and other API messaging formats e.g. JSON, XML, SOAP Experience of PowerBI, PowerQuery and R Experience of structured testing and quality assurance approaches (e.g. Test Driven Development and Behaviour Driven Development) A positive and cooperative individual who will work effectively across departments and within a team Worked in an agile/Kanban environment and familiar with JIRA and confluence Not afraid to challenge existing thinking in order to improve processes The Client will consider candidates with solid Backend development skills without Umbraco. The Client is based in Central London and this role will be working remotely. The duration will be 3 months. Do send your CV to us in Word format along with your salary and availability.
Contractor job
Liferay Developer
Nexus Jobs Limited
Published on
£250-400
Norwich, England, United Kingdom
Front End Software Developer with Liferay and HTML5 Our Client is looking to recruit a Frontend Software Developer with at least 3 to 5 years experience developing in HTML, Javascript and ideally Liferay 7. A degree in Computer Science or other relevant education please (Bachelor/Master). Extensive knowledge of HTML5, CSS (SASS), JavaScript, Jquery and Angular 5. Good sense of webdesign. Working experience in an Agile environment including methods like Scrum. You need to be a fast learner, willing to learn and implement new technologies. Excellent verbal and written knowledge of the English language is a must. This is a 3 month contract assignment in Norwich – you can work 2 days a week from home. Please do send your CV to us in Word format along with your availability and daily rate.
Job Vacancy
C# .NET Software Developer - Department for Education - SEO
Government Digital & Data
Published on
.NET
C#
£40k-45k
Coventry, England, United Kingdom
As a Software Developer, you will: Work within a multi-disciplinary team to deliver user-focused services in an agile environment. Develop in the C# .NET technology stack to agreed standards. Build automated tests to support our continuous deployment processes. Work to modern development standards, practices and techniques. Work with the development community to ensure we build sustainable digital products. Advocate user-centric, agile approaches which focus on rapid, effective delivery of high-quality digital services. Transform government into a modern, agile development centre by embedding practices such as test-driven development, continuous integration & delivery. Provide support for services where software development involvement is required. Support sharing of methods and technologies across teams, government, and the industry by helping to organise events. Help build and maintain a diverse, inclusive culture across the development community
Contractor job
Backend Developer (Python)
LA International Computer Consultants Ltd
Published on
3 months
£399-400
England, United Kingdom
Role Summary You will design and implement the serverless infrastructure that powers the Knowledge Platform. Your work will involve managing complex data relationships in a Graph Database (Amazon Neptune), orchestrating AI workflows via Amazon Bedrock, and crucially developing the Feedback API. This API is the cornerstone of our "Human-in-the-Loop" strategy, allowing clinical experts to provide structured feedback on AI-generated content, which in turn matures our machine learning models and ensures clinical safety. Key Responsibilities · API Development & Feedback Loop: Design and maintain robust REST/GraphQL APIs, including the specialized Feedback API which captures human validation of AI-extracted facts and semantic triples. · Knowledge Graph Engineering: Develop SPARQL/Gremlin queries and data mutation patterns for Amazon Neptune to manage complex clinical taxonomies and content relationships. · AI Orchestration: Build backend integrations with Amazon Bedrock for Retrieval Augmented Generation (RAG), entity extraction, and automated content tagging. · Search Infrastructure: Implement and optimize hybrid search logic, combining vector embeddings in Amazon OpenSearch with structured graph traversals. · Serverless Workflows: Design and deploy event-driven architectures using AWS Lambda, Step Functions, and EventBridge to handle complex content processing pipelines. · Data Integrity & Security: Ensure all data handling complies with NICE security standards, using KMS encryption and robust IAM roles within the AWS London Region. · Collaborative Discovery: Work with Infrastructure Architects and UX Designers during the discovery phase to ensure technical feasibility and system performance. Technical Stack & Skills Backend Mastery (Essential) · Languages: Expert-level Python (preferred for AI/Data) or Node.js/TypeScript. · Cloud Native AWS: Deep experience with AWS Lambda, API Gateway, S3, and SQS/SNS. · Database Expertise: Proven experience with Graph Databases (Amazon Neptune / SPARQL) and NoSQL environments. · Search Technologies: Experience with OpenSearch or Elasticsearch, specifically regarding vector database capabilities. AI & Data Integration (Highly Desirable) · Generative AI: Familiarity with LLM integration (Amazon Bedrock, LangChain, or similar frameworks). · Feedback Systems: Experience building "Human-in-the-loop" (HITL) systems where user input directly influences data model accuracy. · DevOps/IaC: Proficiency in Terraform, AWS CDK, or CloudFormation to manage infrastructure. Behavioural Skills for Success · Systems Thinking: Ability to understand how data flows from a raw clinical document into a structured "triple" in a graph database. · Security-First Mindset: A rigorous approach to data validation, especially given the high-stakes nature of national healthcare guidance. · Iterative Delivery: Comfortable working in a fast-paced environment where requirements evolve based on discovery findings and user testing. LA International is a HMG approved ICT Recruitment and Project Solutions Consultancy, operating globally from the largest single site in the UK as an IT Consultancy or as an Employment Business & Agency depending upon the precise nature of the work, for security cleared jobs or non-clearance vacancies, LA International welcome applications from all sections of the community and from people with diverse experience and backgrounds. Award Winning LA International, winner of the Recruiter Awards for Excellence, Best IT Recruitment Company, Best Public Sector Recruitment Company and overall Gold Award winner, has now secured the most prestigious business award that any business can receive, The Queens Award for Enterprise: International Trade, for the second consecutive period.
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