76 to 100 of 236 API Design Jobs in England

gaming company in the gambling sector is currently undergoing a significant digital transformation and is seeking a talented Application Architect to help lead the design, development, and implementation of mission-critical systems across Lottery, Betting, and Gaming. The successful applicant will work closely with senior stakeholders, product managers, and … engineering teams to lead the design and development of applications using Java Spring Boot, ensuring scalability, security, and maintainability. The candidate will also support automation within AWS, Docker, and Kubernetes and integrate APIs for third-party payment systems. This is an excellent opportunity to operate as a technical leader … Boot. Prior experience working with cloud platforms, preferably AWS. Experience with DevOps, building CI/CD pipelines using Docker, Kubernetes, and OpenShift. Expertise in API design and integration of payment systems. Strong knowledge of database design, preferably with Oracle, PostgreSQL, and SQL. Knowledge of, or experience working More ❯

Type: Permanent Location: London/Hybrid Salary: £150,000-£200,000 (DOE) - Upto £300,000 Total comp Skills: Java, C++, Python, Low Latency, Microservices, API's, Functional programming, OTC, Crypto Assets Roc Search have partnered with a well established trading firm with over 30 years of experience bringing technology … many exchanges and regions using a wide range of strategies. As a member of the team, you will work with other software engineers to design and develop the full stack of software needed to enable a global trading operation. You are expected to design and develop trading systems … Responsibilities - Work as part of the cryptoassets team to establish and maintain best-in-class software systems that enable 24-hour, global trading operations - Design and develop full-stack software systems including trading systems, exchange connectivity solutions, and monitoring systems - Use multiple languages, including Java, C++, and Python - Testing More ❯

Type: Permanent Location: London/Hybrid Salary: £150,000-£200,000 (DOE) - Upto £300,000 Total comp Skills: Java, C++, Python, Low Latency, Microservices, API's, Functional programming, OTC, Crypto Assets Roc Search have partnered with a well established trading firm with over 30 years of experience bringing technology … many exchanges and regions using a wide range of strategies. As a member of the team, you will work with other software engineers to design and develop the full stack of software needed to enable a global trading operation. You are expected to design and develop trading systems … Responsibilities - Work as part of the cryptoassets team to establish and maintain best-in-class software systems that enable 24-hour, global trading operations - Design and develop full-stack software systems including trading systems, exchange connectivity solutions, and monitoring systems - Use multiple languages, including Java, C++, and Python - Testing More ❯

e.g. Spring Boot, Hibernate, etc.). Understanding of AWS services and cloud architecture (e.g., EC2, S3, Lambda, RDS, DynamoDB, etc.). Proficiency in RESTful API design, microservices architecture, and database systems (SQL/NoSQL). Experience with version control systems (e.g., Git) and CI/CD pipelines. Strong More ❯

frameworks (e.g. Spring Boot, Hibernate, etc.) Understanding of AWS services and cloud architecture (e.g., EC2, S3, Lambda, RDS, DynamoDB, etc.). Proficiency in RESTful API design, microservices architecture, and database systems (SQL/NoSQL). Experience with version control systems (e.g., Git) and CI/CD pipelines. Strong More ❯

platform, responsible for the core services, APIs, and distributed processing backbone. This role requires a deep understanding of Python internals, Django architecture, and scalable API design, with a particular emphasis on multithreading, concurrency, and performance tuning. Key Responsibilities Lead the design and development of backend services using … including the Global Interpreter Lock (GIL), multithreading, multiprocessing, and asyncio Strong grasp of type hinting, generators, iterators, and Pythonic loop constructs Proven ability to design RESTful APIs for high-throughput, low-latency systems Experience with unit testing, integration testing, and test automation frameworks Solid understanding of PostgreSQL, Redis, and More ❯

platform, responsible for the core services, APIs, and distributed processing backbone. This role requires a deep understanding of Python internals, Django architecture, and scalable API design, with a particular emphasis on multithreading, concurrency, and performance tuning. Key Responsibilities Lead the design and development of backend services using … including the Global Interpreter Lock (GIL), multithreading, multiprocessing, and asyncio Strong grasp of type hinting, generators, iterators, and Pythonic loop constructs Proven ability to design RESTful APIs for high-throughput, low-latency systems Experience with unit testing, integration testing, and test automation frameworks Solid understanding of PostgreSQL, Redis, and More ❯

CD, security etc). Working within a project management/agile delivery methodology. Experience in technical ownership for a product or software solution, covering design, estimation, shaping and user story/requirement creation. Documentation of solutions (e.g. architecture, configuration, release, support-handover). Collaborate and liaise with other Version … including microservices and message-driven architectures. NFR/Non-Functional requirement understanding and experience developing applications with this in mind. Application/Digital Services Design experience. Experience in software engineering practices like Code Reviews, CI/CD Pipelines and SOLID/DRY principles. Hands-on developing/coding role … Frontend (JavaScript/TypeScript or Angular or React or Node). Backend (Java, SpringBoot, Hibernate, Kotlin). Experience in estimation and sizing. Integration experience. API Design experience. Cloud experience. Appetite to work with emerging AI technologies. SC Eligible. Additional Information Why Version 1? At Version 1, we believe More ❯

Applications - Develop robust, scalable, and efficient web apps. Work Across the Stack - Frontend (React, Vue, or Angular) & Backend (Node.js, Python, Java, .NET). Database & API Development - Design and maintain SQL & NoSQL databases and RESTful APIs. Deploy & Maintain - Use Docker, Kubernetes, AWS, or Azure for scalable deployments. Collaborate - Work More ❯

integrate their applications into the system landscape, and on internal development projects to enhance existing integrations. The role will be responsible for introducing additional API management capabilities providing visibility of API statuses and enabling simple troubleshooting. What You’ll Do: 🔹 Design, build, and support scalable Azure-based … integrations (APIs, Logic Apps, AIS). 🔹 Lead the transition from point-to-point APIs to structured integration infrastructure. 🔹 Design, build and support reusable integration interfaces 🔹 Help define the integration strategy with the support of a senior team 🔹 Develop and enhance internal .Net applications, ensuring performance and security. What We … re Looking For: ✅ 3+ years of experience in Azure-based integrations. ✅ Strong background in .NET, ASP.NET, LogicApps, Boomi and Web APIs. ✅ Knowledge of RESTful API design, security, and versioning. ✅ Experience with D365 or other CRM/ERPs is desirable. This is a unique opportunity to play a key More ❯

Location: Birmingham - Hybrid We are seeking a Junior Backend Developer to join our dynamic development team. In this role, you will contribute to the design, development, and maintenance of backend components that power our web and mobile applications. Benefits! Bonus scheme Opportunity for professional growth and development. Work in … or equivalent work experience). Hands-on experience with C# and the .NET framework. Familiarity with ASP.NET Core and Entity Framework. Understanding of RESTful API design and best practices. Knowledge of CI/CD pipelines GIT based source control, Azure DevOps Strong problem-solving skills and attention to … removed)/(phone number removed) Keywords: Junior Software Developer, Junior Software Engineer, Junior Developer, Software Developer, Software Engineer, Software Engineering, C#, .Net, ASP.Net, RESTful API, Git, Azure In Technology Group Ltd is acting as an Employment Agency in relation to this vacancy. More ❯

effective solutions to solve complex technical issues. Proven experience working in Agile environments, including hands-on experience with Scrum or Kanban methodologies. Experience creating API documentation/specifications, with a solid understanding of API design principles, security, and orchestration. Working knowledge of software applications, system architecture, data More ❯

effective solutions to solve complex technical issues. Proven experience working in Agile environments, including hands-on experience with Scrum or Kanban methodologies. Experience creating API documentation/specifications, with a solid understanding of API design principles, security, and orchestration. Working knowledge of software applications, system architecture, data More ❯

Backend Software Engineer/Developer (Java Spring API Security) Cambridge/WFH to £55k Are you a backend focussed Java technologist looking for an opportunity to progress your career whilst working on complex and interesting systems with continual learning opportunities? You could be joining a market leading software house … that's remote access product is used by hundreds of millions of users worldwide. As a Backend Software Engineer you will design and develop new features and enhancements to the core remote access product as well as maintaining existing systems. You will be working with a modern microservices, Java … with colleagues in the Cambridge office once a month. About You: You have Java development experience within a microservices environment You have experience with API design and development You're happy to collaborate in an Agile environment with TDD, code reviews and Pair Programming You have a strong More ❯

Backend Software Engineer/Developer (Java Spring API Security) Cambridge/WFH to £55k Are you a backend focussed Java technologist looking for an opportunity to progress your career whilst working on complex and interesting systems with continual learning opportunities? You could be joining a market leading software house … that's remote access product is used by hundreds of millions of users worldwide. As a Backend Software Engineer you will design and develop new features and enhancements to the core remote access product as well as maintaining existing systems. You will be working with a modern microservices, Java … with colleagues in the Cambridge office once a month. About You: You have Java development experience within a microservices environment You have experience with API design and development You're happy to collaborate in an Agile environment with TDD, code reviews and Pair Programming You have a strong More ❯

Backend Software Engineer/Developer (Java Spring API Security) Cambridge/WFH to £55k Are you a backend focussed Java technologist looking for an opportunity to progress your career whilst working on complex and interesting systems with continual learning opportunities? You could be joining a market leading software house … that's remote access product is used by hundreds of millions of users worldwide. As a Backend Software Engineer you will design and develop new features and enhancements to the core remote access product as well as maintaining existing systems. You will be working with a modern microservices, Java … with colleagues in the Cambridge office once a month. About You: You have Java development experience within a microservices environment You have experience with API design and development You're happy to collaborate in an Agile environment with TDD, code reviews and Pair Programming You have a strong More ❯

us to do more with less - leveraging your technical expertise to build solutions that scale without proportional resource increases. Core Responsibilities Technical Integration & Development Design and implement technical integrations between Intercom and internal systems Build custom solutions that enhance support efficiency and effectiveness Develop tools and automations that streamline … Resolution: Technical contribution to reducing average resolution time through automation What You'll Bring Must-Haves 3+ years of full-stack development experience Strong API development and integration expertise, including REST and GraphQL Familiarity with database design and implementation Experience building and deploying scalable web applications Understanding of … RESTful API design principles Strong problem-solving abilities and analytical thinking Excellent communication skills with both technical and non-technical stakeholders Nice-to-Haves Proficiency in Ruby on Rails Experience with Intercom platform and API Knowledge of AI/ML technologies and implementations Familiarity with Jira and More ❯

new ledger platform-powered by Thought Machine and the wider banking ecosystem through cloud-native, event-driven architecture. What You'll Do Lead the design and development of Java-based services that integrate with the Thought Machine Vault core banking engine. Build scalable APIs, orchestration layers, and platform components … including setting standards and driving design. Strong background in Java (11+), Spring Boot, and building enterprise-scale systems. Deep understanding of microservices, domain-driven design, and event-based architectures (e.g., Kafka). Experience with API design, system integration, and secure, high-performance services. Cloud-native application experience More ❯

Lauren, KFC and Mercedes. The position is for a Principal or Lead Data Scientist depending on experience. What You’ll Do: Innovate and Optimise: Design, build, and implement cutting-edge predictive models such as causal AI campaign modelling, campaign forecasting engines, pricing elasticity models, and recommender engines that drive … media measurement solutions like media mix modelling. Experience with RNNs, NLP, Computer Vision, GenAI, CausalAI, GraphAI, and advanced techniques. Familiarity with versioning models (MLFlow), API design (FastAPI), and building custom dashboards (Dash). Why You’ll Love It Here: Variety and Challenge: No two projects are the same. More ❯

with tools like IntelliJ IDEA, Kubernetes, Docker, and AWS. Ability to learn new technologies quickly and adapt to different programming stacks. Experience with SQL, API design and JavaScript is beneficial, but not required. Strong collaboration and communication skills, with a focus on problem-solving as a team. Desire More ❯

Applications - Develop robust, scalable, and efficient web apps. Work Across the Stack - Frontend (React, Vue, or Angular) & Backend (Node.js, Python, Java, .NET). Database & API Development - Design and maintain SQL & NoSQL databases and RESTful APIs. Deploy & Maintain - Use Docker, Kubernetes, AWS, or Azure for scalable deployments. Collaborate - Work More ❯

Applications - Develop robust, scalable, and efficient web apps. Work Across the Stack - Frontend (React, Vue, or Angular) & Backend (Node.js, Python, Java, .NET). Database & API Development - Design and maintain SQL & NoSQL databases and RESTful APIs. Deploy & Maintain - Use Docker, Kubernetes, AWS, or Azure for scalable deployments. Collaborate - Work More ❯

Applications - Develop robust, scalable, and efficient web apps. Work Across the Stack - Frontend (React, Vue, or Angular) & Backend (Node.js, Python, Java, .NET). Database & API Development - Design and maintain SQL & NoSQL databases and RESTful APIs. Deploy & Maintain - Use Docker, Kubernetes, AWS, or Azure for scalable deployments. Collaborate - Work More ❯

Applications - Develop robust, scalable, and efficient web apps. Work Across the Stack - Frontend (React, Vue, or Angular) & Backend (Node.js, Python, Java, .NET). Database & API Development - Design and maintain SQL & NoSQL databases and RESTful APIs. Deploy & Maintain - Use Docker, Kubernetes, AWS, or Azure for scalable deployments. Collaborate - Work More ❯

There will also be the opportunity to get involved in the continued development of our suite of LLM and Data Science focused modules. Help design, build and extend Seldon's Core v2 MLOps platform, contributing to improved reliability, scalability and performance as well as next-generation features. Engage in … using Kafka. Experience with Kubernetes and the ecosystem of Cloud Native tools. Experience/involvement in architecting, implementing, and debugging complex systems, from initial design to completion. Understanding of distributed and low latency application architecture/systems and microservices. Strong experience with API design, including gRPC and More ❯