26 to 50 of 100 API Design Jobs in the UK excluding London

enhancing digital services, improving operational workflows, and supporting data-driven decision-making. You will develop bespoke web-based applications (both internet and intranet facing), design APIs, and create automation workflows to streamline healthcare and business processes. The role also includes cloud infrastructure management, modern DevOps practices, and a strong … unbale to offer visa sponsorship for this role or offer any extensions to visa sponsorship Main duties of the job Software Development & System Integration Design, develop, and maintain web-based internal & public facing applications and interfaces using Python (Django/Flask/Streamlit) and modern web frameworks. Develop and … enhancing digital services, improving operational workflows and supporting data-driven decision making. You will develop bespoke web-based applications both internet and intranet facing design APIs, and create automation workflows to streamline healthcare and business processes. The role also includes cloud infrastructure management, modern DevOps practices, and a strong More ❯

enhancing digital services, improving operational workflows, and supporting data-driven decision-making. You will develop bespoke web-based applications (both internet and intranet facing), design APIs, and create automation workflows to streamline healthcare and business processes. The role also includes cloud infrastructure management, modern DevOps practices, and a strong … unable to offer visa sponsorship for this role or offer any extensions to visa sponsorship. Main duties of the job Software Development & System Integration Design, develop, and maintain web-based internal & public facing applications and interfaces using Python (Django/Flask/Streamlit) and modern web frameworks. Develop and … to DevOps tools and cloud platforms. Strong Python skills (Django or Flask preferred). Experience with modern web frameworks (React, Vue.js, or similar). API development and integration experience (RESTful APIs, GraphQL, FHIR/HL7). Cloud platform experience (preferably Azure). Familiarity with DevOps practices, including CI/ More ❯

to meet new challenges. About the Role: OQC are looking for a Senior Software Engineer to join our growing team, developing web-based/api-based solutions for a variety of challenges encountered by our partners and end-users. In this role, you will also develop and maintain critical … the work within a team. Strong understanding of common data structures and programming methods. Strong problem solving, troubleshooting and analysis skills. Demonstrated ability to design, develop, and test high-performance distributed systems. Technically versatile and able to learn new skills that you can apply across multiple types of work. … Experience with containerised microservices and deployment in global environment. Strong knowledge of API design, RESTful principles, and microservices architecture. Uphold development standards and prioritize best coding practices. Cloud solutions experience. Desirable skills and experience: Experience in building web applications and working knowledge of one or more of JavaScript More ❯

talented 3 Fullstack Engineers (React/Python) to join the growing team and contribute to the development of intelligent, scalable digital products. Key Responsibilities: Design, build, and maintain scalable fullstack web applications using React on the frontend and Python (Django/FastAPI/Flask) on the backend. Collaborate closely … and modern JavaScript (ES6+) or TypeScript. Proficiency in Python , ideally with experience in web frameworks such as Django, FastAPI, or Flask. Strong understanding of API design, microservices, and web architecture. Experience with relational and NoSQL databases (e.g. PostgreSQL, MongoDB). Comfortable working with cloud services like AWS, Azure 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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

a foundational hire , giving you the opportunity to shape their product, technical team, and engineering culture from the ground up. What You'll Do: Design and build scalable, end-to-end solutions for their AI-driven platform, taking features from concept to production. Lead backend development with FastAPI and … backend services Proven experience working in a start-up environment, comfortable with fast-paced decision-making and evolving technical roadmaps. Backend: Proficiency in RESTful API design, and Python. Database: Experience designing and optimising schemas in PostgreSQL. Cloud & DevOps: Hands-on experience with cloud infrastructure (Azure preferred) CI/ More ❯

a foundational hire , giving you the opportunity to shape their product, technical team, and engineering culture from the ground up. What You'll Do: Design and build scalable, end-to-end solutions for their AI-driven platform, taking features from concept to production. Lead backend development with FastAPI and … backend services Proven experience working in a start-up environment, comfortable with fast-paced decision-making and evolving technical roadmaps. Backend: Proficiency in RESTful API design, and Python. Database: Experience designing and optimising schemas in PostgreSQL. Cloud & DevOps: Hands-on experience with cloud infrastructure (Azure preferred) CI/ More ❯

a foundational hire, giving you the opportunity to shape their product, technical team, and engineering culture from the ground up. What You'll Do: Design and build scalable, end-to-end solutions for our AI-driven platform, taking features from concept to production. Lead backend development with FastAPI and … services Proven experience working in a start-up environment, comfortable with fast-paced decision-making and evolving technical roadmaps. Backend: Proficiency in FastAPI, RESTful API design, and Database: Experience designing and optimising schemas in Cloud & DevOps: Hands-on experience with cloud infrastructure (Azure preferred) CI/CD pipelines 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 More ❯

leading the implementation of technical solutions. These solutions are all SAAS based and require someone who is strong in and around the integration/API layer. Although still relatively "hands-on", the position lends itself to someone who is relatively agnostic in their approach who can steer best practice … around tech adoption. Tech : C# Azure IaC API Design and Development (REST) Devops mindset (Microservices/K8s) Excellent communication skills across Senior Stakeholders and various levels of software engineer Interview Process: 3 stages. Exploratory call with Lead Architect>>Tech test with subsequent discussion with wider team (F2F preferred More ❯

empower businesses in the fast-evolving payments landscape. With a commitment to excellence and innovation, they are seeking a talented Solutions Architect to help design and implement scalable, robust, and efficient payment systems. Key Responsibilities: Collaborate with cross-functional teams to define and design technical solutions aligned with … business objectives. Lead the architecture, design, and implementation of payment solutions. Evaluate and recommend technology stacks and frameworks to enhance system performance, scalability, and security. Provide technical leadership throughout the project lifecycle, ensuring adherence to best practices and governance standards. Engage with stakeholders to gather and understand requirements, translating … Architect, with a strong background in the financial services industry. Strong understanding of Salesforce, Salesforce technologies and Salesforce development. Familiarity with Strong understanding of API design and integration, microservices architecture, and cloud platforms (AWS, Azure, or similar). Proficiency in architectural frameworks and methodologies (e.g., TOGAF, Zachman). More ❯

sensing technology into real-world use. Key Responsibilities System Integration & Software Architecture Define, document, and manage integration requirements between Inductosense systems and customer infrastructure. Design and implement integration architectures that support seamless software communication across disparate platforms. Develop and maintain APIs, middleware connectors, and data exchange protocols. Evaluate customer … Architect robust, scalable, and maintainable software integration solutions. Remain hands-on in development and troubleshooting when needed. Stay engaged across the full integration lifecycle: design, test, deploy, support. Proactively share knowledge and improve internal integration practices. Requirements 5+ years of experience in software engineering, electrical/electronics engineering, systems … systems Strong technical skills in either: Software development with at least one language commonly used for integration (Python, Java, C#, etc.) Electrical/electronics design with experience in communication protocols and interfaces (I2C, SPI, UART, CAN, etc.) Experience with hardware-software interfaces, API design, communication protocols, and More ❯