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CGI’s Space, Defence and Intelligence business unit focuses on delivering contemporary and innovative technical solutions to government agencies tackling some of the most complex challenges. We design, build, and operate bespoke, mission-critical systems that help keep the UK safe and secure. We are looking for experienced Python Developers to join our cross-functional teams. Working closely with our clients, you will help design, build, and deliver secure, scalable solutions in a highly rewarding and impactful environment. CGI places strong emphasis on learning and development, ensuring your skills evolve alongside the latest technologies. Our culture promotes innovation, collaboration, and ownership—ideal for motivated self-starters. Due to the secure nature of the work, these roles require UK Security Clearance and sole UK nationality. Candidates should either already hold DV clearance or be willing and eligible to obtain it.

Secure Innovation is part of CGI's Space, Defence and Intelligence business unit, focused primarily on the delivery of contemporary and innovative technical solutions for the government agencies most challenging problems. Our teams work alongside our clients to help them understand how to exploit technologies to maintain competitive advantage. Our systems are engineered for performance, security, reliability and scalability; built with modern CI and CD tooling and techniques. We are currently looking for an experienced Python Software Engineer to join our team – being able to think outside of the box to overcome technical challenges is essential!

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.

At CGI, we’re shaping the future of intelligent operations through secure, scalable technology that drives real impact for clients. As a Python Developer in our Emerging Technology Practice, you’ll help advance our AIOps platform—engineering solutions that boost reliability, automation, and insight. You’ll be part of a supportive, creative environment where you can take ownership of high-value work and help deliver meaningful innovation across CGI. CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK ‘Best Employer’ by the Financial Times. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you’ll be part of an open, friendly community of experts. We’ll train and support you in taking your career wherever you want it to go. Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. This is a hybrid position.

Site Reliability Engineer with Python Our Client looking to bring on a site reliability engineer to help deploy, manage, troubleshoot, and enhance our complex cloud-based set of internal tools and externally managed services for a variety of users across our wide-ranging organization. You will have at least 7 to 10 years hands-on expertise working as a Site Reliability Engineer. You will work closely with IT, product, and engineering to extend and maintain this set of tools and services and to help debug and resolve problems. In addition, the ideal candidate will proactively look for system weaknesses and find ways to resolve them before they can cause production issues via monitoring and data we aggregate through various tools within our organization's IT & DevOps toolkit. Responsibilities ●Keep our suite of internal apps and services up and running or getting it back up and running quickly if a failure were to occur ●Be the technical point person of operational responsibility for two core platforms (one mobile and one web application) i.e. engaging as appropriate upon escalations from the IT support group whether it be problem solving, addressing production issues, enhancing features etc. - collaborating with engineers and others as needed ●Work closely with internal partners and teams as well as external vendors to ensure that we ship software that meets our code quality, security and performance requirements ●Write, update, and use our documentation, including runbooks and/or playbooks ●Help automate existing or build new internal workflows including ongoing infrastructure needs, testing, failover mitigations, and more ●Debug complex problems across our entire web and mobile application stack and advise key stakeholders on solutions, as well as implement said solutions if appropriate. ●Further our internal CI/CD processes to improve release cadence and developer experience ●Participate in the daily / weekly software development process (standups, sprint planning, retros, issue tracking, etc.) ●Actively lead any critical issue post-mortem processes, including coordination of any meetings and further steps to take Qualifications ●7+ years experience with software engineering, software development, and/or system operations ●Experience debugging complex problems and implementing timely cost-effective solutions ●Experience designing, building, and operating large-scale production systems ●Deep knowledge of Python is preferred, though other languages like Java, Go, Rust, or similar will also be heavily considered ●Experience using source control (Git, GitHub) and feature branching strategies ●Experience with a variety of open-source databases (MySQL, Postgres, Redis, etc.) ●Experience with DevOps engineering and working with container orchestration, such as with Docker or Kubernetes ●Experience with log monitoring and observability via platforms like Sumologic or Cloudwatch ●Experience automating infrastructure, testing, and deployments using tools like CircleCI Configuration management tooling and infrastructure as code knowledge is preferred but not required ●Experience working with AWS services, with knowledge of Azure / Google ecosystems helpful but not required ●Strong familiarity with general modern web and mobile application development, including hands-on experience working with JavaScript (Typescript preferred) and Python stacks ●Cross functional team collaboration experience, especially working with engineers and user experience / product designers, as well as external stakeholders ●Strong skills for weighing and managing scope, risk, quality and timelines ●Strong focus on quality, security, performance, and end user experience This is an exciting position with an exciting organisation based in Central London and New York. The position can be London or New York based. The salary for this position will be circa £80K - £100K. Do send your CV to us in Word format along with your salary and notice period.

As Lead Integration Architect , you’ll set the direction for integration across Justice Digital, Data and Science, and increasingly across the wider Criminal Justice System , working with partner organisations to enable better service and data connectivity. What you’ll be doing In this role you will: Set and champion the integration architecture across JDDS, aligned to wider technology strategy Shape the vision, design and evolution of the integration hub as a reusable, scalable platform Define and promote integration standards and patterns (APIs, event‑driven architecture, messaging) Guide and assure integration designs to ensure solutions are robust, reusable and loosely coupled Reduce duplication and encourage reuse of shared capabilities Influence technical decisions and identify opportunities for simplification and transformation Mentor architects and engineers, building integration capability and strengthening the architecture community Communicate clearly with both technical and non‑technical stakeholders

Our government client is looking for Data Engineers to begin ASAP. Please see below for role description and details. - Hybrid, 2 days per week on site in Swansea, Wales - Inside IR35 - SC clearance required - 3-6 months initially + longer extensions expected Role details: The team are migrating SSIS packages and SSAS cubes to Databricks and Spark Declarative Pipelines (previously known as Delta Live Tables). This is mostly SQL knowledge but some familiarity with Python on Databricks will be beneficial. SSIS and SSAS are on premise, and Databricks is a cloud solution on Azure. The client will handle the difficult elements on moving the data from on-premise to the cloud, so you will be working with data already in the cloud storage and already available in Databricks, replicating the SSIS packages. 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 a minimum 10 weeks. LA International is an award-winning partner of choice for many of the world's most influential companies and government organisations. Holding Enhanced Government Security Accreditation, we are recognised as the European market leader in the delivery of Security Cleared talent to organisations that demand the very highest levels of security, compliance and assurance. An award-winning organisation, having secured the prestigious Queens Award for Enterprise: International Trade over multiple years. We are committed to fostering an inclusive, equitable and accessible workplace where everyone feels valued and supported. We welcome applications from all individuals, regardless of background or identity, and we encourage candidates who may not meet every listed requirement to still apply. If you require any adjustments or support during the recruitment process, please let us know and we will work with you to ensure a fair and accessible experience. Please Note: If a high volume of applications is received, only candidates shortlisted will be contacted.

FIS Integrity -Treasury and Risk Management System Support Analyst Our Client is in the process of implementing a global rollout of FIS Integrity Treasury and Risk Management System. You must have at least 1 to 4 years experience of working with and supporting FIS Treasury and Risk Management System Integrity. This is a 1st to 3rd level implementation and support position. The Client may consider experience of FIS Quantum as well. Experience of software development skills with Python, C# .net, C++ and SQL Server would be very useful for this role. Role Description This is a full-time hybrid role for an FIS Integrity System Treasury and Risk Management System Support Analyst to be based in London with flexibility. The Client may consider remote working in exceptional situations. The analyst will be responsible for providing technical support, troubleshooting issues related to the Treasury and Risk Management system (Integrity), and ensuring system stability. Daily tasks include resolving technical queries, conducting system analysis, offering guidance to users, and proactively identifying process improvements to optimize workflows. Ideally have been involved in end-to-end implementation and enhancement of FIS Integrity for banking and treasury clients globally. Lead requirements analysis and translated complex treasury and capital markets processes into functional system designs. Research and document client needs processes relating to system design or enhancements. Facilitate client workshops and training, supporting successful go-lives and post-implementation adoption. Build and support system integrations with third-party platforms including SAP, Bloomberg, Reuters, FXALL, 360T…etc. Configuration of payment processes such as Swift Develop and execute test plans and UAT, performing manual financial validations to ensure accuracy and compliance. Design custom data sources and reports beyond standard product offerings to meet client regulatory and operational needs. You will ideally have experience of ATS training. Qualifications · Proficiency in Technical Support, Troubleshooting, and resolving system issues · Strong background in Information Technology and Operating Systems · Exceptional Analytical Skills to interpret data and identify solutions · Effective communication and problem-solving abilities · A bachelor's degree in a related field such as IT, Computer Science, or Engineering · Experience with FIS Integrity or similar Treasury and Risk Management systems is highly desirable · A proactive attitude and ability to adapt to a hybrid work environment This will be a hybrid role with 3 days in the office in Central London. The salary for this role will be in the range £60K - £80K. Do send your CV to us in Word format along with your salary and availability.

Python Developer 6 Month contract initially + Extensions Based: Onsite in Wokingham Rate: £380 - £400 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 Python Developer to join the team. Key Responsibilities; * Python Development & Software Engineering * Develop, optimize, and maintain software using core Python features including iterators/generators, exception handling, file handling, type hints, OOP, and data structure design. * Build scalable algorithms and write clean, maintainable, and well‑structured code. * Develop and maintain RESTful APIs using OpenAPI/Swagger, Connexion, or FastAPI. * Work with Python web frameworks such as Flask, Django, FastAPI, and Jinja2. * Data, Analytics & Databases * Perform data manipulation and analysis using tools like Pandas and NumPy. * Design, query, and maintain both relational databases (e.g., PostgreSQL) and NoSQL/document stores (e.g., MongoDB). * Build data pipelines and support analytics dashboards and visualizations in Python. * Mathematical Modelling & Optimization * Develop and solve Linear Programming (LP), Mixed Integer Linear Programming (MILP), and other optimization models. * Use optimization tools and libraries such as Pyomo, AMPL, Gurobi, CPLEX, or similar solvers. * Model the behaviour of power system components including generation assets, demand profiles, and network elements. * Contribute to techno‑economic assessments of power systems using Python-based models. * Quality Assurance & DevOps * Write unit tests using unittest or pytest, with exposure to Test‑Driven Development (TDD) methodologies. * Use Git and modern version‑control workflows; collaborate via Azure DevOps or similar platforms. * (Bonus) Develop and deploy containerized applications using Docker, and support container orchestration (e.g., Kubernetes). * (Bonus) Work with messaging/streaming technologies such as RabbitMQ or Kafka. Key Skills & experience: Desirable skills/knowledge/experience: * Strong proficiency in Python programming and its optimization/analytics ecosystems. * Proven experience with algorithm development and computational problem‑solving. * Hands‑on experience with data analytics, visualization, and database systems. * Solid understanding of power system modelling, techno‑economic simulation, and energy systems. * Strong debugging, profiling, and performance optimization skills. * Excellent communication and documentation abilities. * Experience using Pyomo, AMPL, Gurobi, CPLEX, or similar optimization tools. * Working knowledge of containerization and cloud‑native deployment. * Familiarity with RabbitMQ/Kafka, microservice architecture, and distributed systems. 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.

Dans le cadre d'un projet avec l'un de nos client dans l'énergie, nous sommes à la recherche d'un développeur en .Net. In this context, we are 2 teams of information system architects and software developers working together with business colleagues to analyze, design, develop, maintain and support several products. •Kiwi enables to exploit the flexibility of many small assets and to offer demand-side management services. It is connected to these assets with an edge device or through an API. •Real-time asset services ensure notably the real-time aFRR steering and the real-time data collection from the assets. The primary focus of the present mission is real-time asset services. •aFRR dispatcher receives every 2 to 4 seconds the aFRR amount requested by the TSO (= grid operator), calculates in real-time the optimal allocation towards the aFRR bids and power assets (batteries, renewable parks, power plants in general) and sends every 2 to 4 seconds the individual setpoints to the concerned connectivity solutions. •TimeFlux connects the physical reality of power assets to forecasters and optimizers. Concretely, it collects and processes the real-time data from power assets, with a low-latency streaming architecture, and exposes it to other software systems in the organization (e.g., forecasters, optimizers). •GENCO connects the software systems with the industrial SCADA systems. Main activities As a software developer, you will contribute with the team to all activities: -Clarify with functional analysts and with domain experts. -Design technically and make architectural proposals, documented in diagrams, including APIs, services, front-end and back-end interactions. -Subdivide the proposal into agile progressive development upgrades. -Implement builds and associated testing and maintenance tools. -Develop back-end services and APIs. -Write tests in collaboration with business colleagues. -Document and develop user manuals. -Provide user assistance and support. -Monitor systems and provide level 2 support, incident resolution, and troubleshooting (root causes of recurring incidents). Hard Skills Required: at least 4+ years of software engineering on software solutions with complex technical features. The following do NOT count: web sites, digitalized workflows, database-oriented applications, enterprise CRUD applications. Education: a master as polytechnic engineer is a strong plus. The following abilities are required: - Proficiency in C# -Hands-on experience with Azure cloud (if experience with AWS cloud, willingness to learn & switch to Azure) and ideally Kubernetes/AKS (deployment, autoscaling) -Hands-on experience in developing and operating event-driven architectures (Kafka, Azure Event Hub, MQTT and/or Azure Service Bus) and distributed systems -Strong testing culture: unit tests, integration tests, and production validation -Production-grade observability: metrics, logging, alerting (Grafana, Prometheus, or equivalent) -Familiarity with agile development practices -PostgreSQL, Redis -CI/CD: GitHub Actions, Continuous Deployment -Experience with one of these technologies is a plus: oScala (for KiWi cloud) oRust (for KiWi edge) oPython (to collaborate with other teams and to refactor some Python code to C#). Soft Skills The following abilities are also required: -Proactive mindset with a collaborative spirit and a willingness to support team delivery. -Ability to break down complex problems and propose pragmatic, scalable solutions. -Empathy, humility, and a sense of ownership and accountability.- Good communication and interpersonal skills. Languages: Fluent in English.