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Back End Developer / Software Engineer (Rust Low Latency) Remote UK to £150k Are you a back end technologist seeking an opportunity to progress your career, working on cutting edge tech within the cryptocurrency space? You could be joining an early stage start-up building a cross chain liquidity platform to revolutionise capital efficiency and permissionless access to liquidity on-chain to build sustainable decentralised markets; they have secure backing and a recent round of funding is enabling them to scale. What's in it for you: Salary to £150k Remote working, flexible start / finish times Opportunity to join a scaling tech company Your role: As a Back End Developer you'll join a small technology team, working with Rust on the core platform, building low latency and highly parallelised systems with a focus on the data layer. You'll be tackling complex problems and building highly scalable systems to accommodate large data and traffic volumes whilst maintaining extremely low latencies. Location / WFH: There's a remote first policy so you can work from home most of the time, with the caveat you'll join the team for three, one week meet-ups per year (global destinations, the last one was in Thailand). About you: You have commercial Rust development experience on Linux You have experience of building low latency, parallel services You have experience of building highly scalable systems designed scale to large data and traffic volumes whilst maintaining extremely low latencies You have experience with Docker and Kubernetes for deploying services Ideally you will have a good understanding of blockchain fundamentals and mechanics of the EVM You have a strong record of academic achievement in Computer Science Youre collaborative with experience of collaborating with remote, geographically dispersed colleagues Apply now to find out more about this Back End Developer / Software Engineer (Rust Low Latency Cryptocurrency) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Lead IOS Mobile Developer Birmingham (1 day per week in office) Salary: £55K An exciting opportunity has arisen for a Lead IOS Mobile Developer to join a rapidly growing company who are dedicated to sustainability. The Lead Mobile Engineer will play a pivotal role in enhancing the company's mobile and web applications, contributing to a vibrant and innovative work environment. The Lead IOS Mobile Developer will be responsible for the development and management of production systems, working closely with a talented IT team. This role requires a strong background in mobile development, particularly in IOS - Swift, and a passion for creating high-quality solutions that meet customer needs. Responsibilities: * Translate designs, wireframes, and user stories into high-quality solutions. * Develop intuitive, usable, and engaging interactions and visual designs for mobile and web. * Participate in the full development process from definition through design, build, test, release, and maintenance. * Research and track advancements in mobile/web application design patterns. * Cooperate with back-end developers in the process of building the RESTful API. * Management of one other mobile developer Skills needed: * Hands-on experience with core iOS frameworks such as UIKit, Combine, Core Data, and Core Animation. * Demonstrated expertise in Swift programming language and a proven track record of developing and maintaining iOS applications. * Deep knowledge of SPA best practices, architecture, and modularisation. * Familiarity with cloud message APIs and Push Notifications. * Proficient understanding of version control software such as Git. * Experience with Android mobile development, Angular, C# or other web development technologies is a bonus Any leadership or management experience is a bonus but also open to a senior candidate open to stepping up into a more leadership role, while still remaining hands on with the IOS development. If you are an enthusiastic and skilled Lead Mobile Engineer looking to make a significant impact in a growing company, please submit your CV for consideration. At Gleeson Recruitment Group, we embrace inclusivity and welcome applicants of all backgrounds, experiences, and abilities. We are proud to be a disability confident employer. By applying you will be registered as a candidate with Gleeson Recruitment Limited. Our Privacy Policy is available on our website and explains how we will use your data.

Job Description 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.

Job Description 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.

Lead Back End Software Engineer / Developer (Node API JavaScript CFA) London / WFH to £120k Are you a lead technologist with strong financial services experience combined with Node.js backend development expertise? You could be progressing your career in a hands-on leadership role at a global cryptocurrency market data and trade execution technology company that is experiencing great success and is growing as a result. As a Lead Back End Software Engineer you will take ownership of designing, building and maintaining cutting edge solutions for cryptocurrency market data, ensuring the accuracy, scalability and reliability of index calculation engines in collaboration with product and cross functional teams to deliver impactful features. You'll be building and optimising systems to handle high volume real-time market data streams and also working with clients and business stakeholders to understand requirements and business impact. Location / WFH: You'll join the team in brand new Central London based offices three days a week with flexibility to work from home the other two days. About you: You have strong experience of designing and implementing scalable solutions to handle high throughput systems You have advanced backend Node.js and JavaScript / TypeScript coding skills You have strong messaging experience e.g. SQS, You have a strong understanding of financial market data systems and ideally hold a CFA certification You have technical project leadership and mentoring experience You have a good knowledge of both relational and non-relational databases, PostgreSQL and Redis preferred You have a good knowledge of UNIX based systems for development and deployment You have a strong appreciation of DevOps principles including secure coding practices, CI/CD pipelines, automated deployment You are degree educated in Computer Science or similar technical discipline What's in it for you: As a Lead Back End Software Engineer / Developer you will receive a comprehensive package: Salary to £120k Bonus Continual learning and self development opportunities working on cutting edge systems Apply now to find out more about this Lead Back End Software Engineer / Developer (Node API JavaScript CFA) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.