1 to 25 of 51 Permanent API Design Jobs in Cambridgeshire

drive technical excellence, establish coding standards, and optimise real-time services for a fast-growing platform. You’ll be responsible for backend architecture, microservices design, database management (SQL), and cloud integration (AWS) while collaborating with designers, engineers, and product teams to deliver world-class gaming solutions. Key Responsibilities ✔ Develop … Lead – Drive the development of scalable, interactive gaming products using Java (11+), Scala & Spring Boot . ✔ Microservices & API Design – Design and implement modular microservices architecture with 3-tier API design . ✔ Cloud & DevOps – Work within an AWS environment (supported by an in-house DevOps team … experience (currently using Java 21). ✅ SQL Database Proficiency – Strong experience with SQL databases (PostgreSQL preferred). ✅ Microservices & Cloud – Deep knowledge of microservices architecture, API design, and AWS . ✅ Spring Boot & Scala – Nice to have but not essential. ✅ Betting, Gaming, or Big Data Background – Experience in real-time More ❯

drive technical excellence, establish coding standards, and optimise real-time services for a fast-growing platform. You’ll be responsible for backend architecture, microservices design, database management (SQL), and cloud integration (AWS) while collaborating with designers, engineers, and product teams to deliver world-class gaming solutions. Key Responsibilities ✔ Develop … Lead – Drive the development of scalable, interactive gaming products using Java (11+), Scala & Spring Boot . ✔ Microservices & API Design – Design and implement modular microservices architecture with 3-tier API design . ✔ Cloud & DevOps – Work within an AWS environment (supported by an in-house DevOps team … experience (currently using Java 21). ✅ SQL Database Proficiency – Strong experience with SQL databases (PostgreSQL preferred). ✅ Microservices & Cloud – Deep knowledge of microservices architecture, API design, and AWS . ✅ Spring Boot & Scala – Nice to have but not essential. ✅ Betting, Gaming, or Big Data Background – Experience in real-time More ❯

performance, and team growth. Someone who is a technologist at heart and regrets not coding as much but can still (if needed) review PRs, design solution architectures, or contribute to system designs (Approximately 20% of the role) HOWEVER, understands that their greatest impact comes from enabling others to thrive … and secure Play a hands-on role in development, especially in Java (ideally with Quarkus/GraalVM, or SpringBoot as an alternative) Oversee backend API design and integration, including messaging platforms such as Pub/Sub Define and track technical KPIs (e.g. system availability, latency, error rates) Collaborate … for Quarkus or GraalVM; SpringBoot experience also considered Familiarity with messaging systems such as Pub/Sub, Kafka, or RabbitMQ Strong understanding of REST API design, CI/CD practices, and Agile methodologies Experience in fintech, payments, or banking domains Who this suits: Someone who is technically strong More ❯

performance, and team growth. Someone who is a technologist at heart and regrets not coding as much but can still (if needed) review PRs, design solution architectures, or contribute to system designs (Approximately 20% of the role) HOWEVER, understands that their greatest impact comes from enabling others to thrive … and secure Play a hands-on role in development, especially in Java (ideally with Quarkus/GraalVM, or SpringBoot as an alternative) Oversee backend API design and integration, including messaging platforms such as Pub/Sub Define and track technical KPIs (e.g. system availability, latency, error rates) Collaborate … for Quarkus or GraalVM; SpringBoot experience also considered Familiarity with messaging systems such as Pub/Sub, Kafka, or RabbitMQ Strong understanding of REST API design, CI/CD practices, and Agile methodologies Experience in fintech, payments, or banking domains Who this suits: Someone who is technically strong More ❯

engineers, UI developers, document quality specialists, legal experts and product managers to enhance and improve our data model, the AI-driven document processing pipeline, API layers, internal tools and UIs. You will create high-level and detailed designs, as well as work collaboratively regards coding best practices, PR reviews … About you: You’re an experienced engineer spanning backend used to working in Python You like to own the whole solution, from database schema design to API format and UI design principles You’ll be comfortable working with Agile, testing work and deploying to production multiple times … by prioritising speed of delivery or reliability depending on the circumstances Your experience: Several years production experience with Python 3 Experience with database schema design and an understanding of optimisations for read-heavy write-heavy workloads with PostgreSQL Production experience with API design & benchmarking especially JSON REST More ❯

engineers, UI developers, document quality specialists, legal experts and product managers to enhance and improve our data model, the AI-driven document processing pipeline, API layers, internal tools and UIs. You will create high-level and detailed designs, as well as work collaboratively regards coding best practices, PR reviews … About you: You’re an experienced engineer spanning backend used to working in Python You like to own the whole solution, from database schema design to API format and UI design principles You’ll be comfortable working with Agile, testing work and deploying to production multiple times … by prioritising speed of delivery or reliability depending on the circumstances Your experience: Several years production experience with Python 3 Experience with database schema design and an understanding of optimisations for read-heavy write-heavy workloads with PostgreSQL Production experience with API design & benchmarking especially JSON REST More ❯

engineers, UI developers, document quality specialists, legal experts and product managers to enhance and improve our data model, the AI-driven document processing pipeline, API layers, internal tools and UIs. You will create high-level and detailed designs, as well as work collaboratively regards coding best practices, PR reviews … About you: You’re an experienced engineer spanning backend used to working in Python You like to own the whole solution, from database schema design to API format and UI design principles You’ll be comfortable working with Agile, testing work and deploying to production multiple times … by prioritising speed of delivery or reliability depending on the circumstances Your experience: Several years production experience with Python 3 Experience with database schema design and an understanding of optimisations for read-heavy write-heavy workloads with PostgreSQL Production experience with API design & benchmarking especially JSON REST More ❯

engineers, UI developers, document quality specialists, legal experts and product managers to enhance and improve our data model, the AI-driven document processing pipeline, API layers, internal tools and UIs. You will create high-level and detailed designs, as well as work collaboratively regards coding best practices, PR reviews … About you: You’re an experienced engineer spanning backend used to working in Python You like to own the whole solution, from database schema design to API format and UI design principles You’ll be comfortable working with Agile, testing work and deploying to production multiple times … by prioritising speed of delivery or reliability depending on the circumstances Your experience: Several years production experience with Python 3 Experience with database schema design and an understanding of optimisations for read-heavy write-heavy workloads with PostgreSQL Production experience with API design & benchmarking especially JSON REST More ❯

years of professional Rust software development experience Strong understanding of Rust, memory management, STL containers, and algorithms Good knowledge of OOAD, architecture and design patterns, API design principles Hands-on experience with low-latency, multithreading, including race conditions, deadlocks, etc. Experience with PostgreSQL, particularly in handling large … creation Experience with containers (Docker, Kubernetes) Responsibilities: Write clear, understandable and highly optimized Rust code according to best practices Develop new features including the design of interfaces and implementation to support reusability, testability, modularity in accordance with the agreed plans and quality standards Enhance existing features and improve the … estimates and time/performance/quality trade-offs to management and other teams Participate in technical discussions to find the right architecture/design solution Contribute to architectural planning and refactoring Perform code reviews Defect analysis and fixing Report the status, results and roadblocks Conduct an interviews Collaborate More ❯

years of professional Rust software development experience Strong understanding of Rust, memory management, STL containers, and algorithms Good knowledge of OOAD, architecture and design patterns, API design principles Hands-on experience with low-latency, multithreading, including race conditions, deadlocks, etc. Experience with PostgreSQL, particularly in handling large … creation Experience with containers (Docker, Kubernetes) Responsibilities: Write clear, understandable and highly optimized Rust code according to best practices Develop new features including the design of interfaces and implementation to support reusability, testability, modularity in accordance with the agreed plans and quality standards Enhance existing features and improve the … estimates and time/performance/quality trade-offs to management and other teams Participate in technical discussions to find the right architecture/design solution Contribute to architectural planning and refactoring Perform code reviews Defect analysis and fixing Report the status, results and roadblocks Conduct an interviews Collaborate More ❯

deliver high-impact features in a fast-moving, innovation-driven environment. 🛠 Responsibilities Develop and maintain full-stack applications using Node.js , TypeScript , NestJS , and React Design and implement scalable serverless backends with AWS Lambda , API Gateway , DynamoDB , and Cognito Build responsive, high-quality frontend components and features using React.js … 3+ years of professional experience as a Full Stack Developer Strong experience with: Node.js , TypeScript , NestJS React.js and modern frontend frameworks AWS services : Lambda, API Gateway, DynamoDB, Cognito GraphQL or REST API design Hands-on experience with Serverless Framework for deployment and infrastructure Familiarity with Agile methodologies More ❯

deliver high-impact features in a fast-moving, innovation-driven environment. 🛠 Responsibilities Develop and maintain full-stack applications using Node.js , TypeScript , NestJS , and React Design and implement scalable serverless backends with AWS Lambda , API Gateway , DynamoDB , and Cognito Build responsive, high-quality frontend components and features using React.js … 3+ years of professional experience as a Full Stack Developer Strong experience with: Node.js , TypeScript , NestJS React.js and modern frontend frameworks AWS services : Lambda, API Gateway, DynamoDB, Cognito GraphQL or REST API design Hands-on experience with Serverless Framework for deployment and infrastructure Familiarity with Agile methodologies More ❯

s a unique opportunity to help shape the future of marketing by rapidly translating strategic requirements into intelligent, scalable solutions. Key Responsibilities Solution Architecture: Design scalable, modular architectures for AI-driven marketing applications and microservices. Requirements Engineering: Gather, analyse, and translate business and marketing requirements into detailed technical specifications. … and cloud services. MarTech Innovation: Research and implement AI solutions specifically targeting marketing use cases (content generation, audience analytics, personalisation). Data Pipeline Architecture: Design robust data flows between marketing systems and AI services. Technical Leadership: Provide strategic direction, mentorship, and best practices for AI implementation across the team. … development tools (e.g., GitHub Copilot, Amazon CodeWhisperer) and integrating large language models (LLMs) and AI APIs. Deep understanding of microservices architecture, Model Context Protocol, API design, and cloud platforms (GCP, Azure). Skilled in containerisation and orchestration (Docker, Kubernetes), version control (Git, BitBucket), and CI/CD pipelines. More ❯

s a unique opportunity to help shape the future of marketing by rapidly translating strategic requirements into intelligent, scalable solutions. Key Responsibilities Solution Architecture: Design scalable, modular architectures for AI-driven marketing applications and microservices. Requirements Engineering: Gather, analyse, and translate business and marketing requirements into detailed technical specifications. … and cloud services. MarTech Innovation: Research and implement AI solutions specifically targeting marketing use cases (content generation, audience analytics, personalisation). Data Pipeline Architecture: Design robust data flows between marketing systems and AI services. Technical Leadership: Provide strategic direction, mentorship, and best practices for AI implementation across the team. … development tools (e.g., GitHub Copilot, Amazon CodeWhisperer) and integrating large language models (LLMs) and AI APIs. Deep understanding of microservices architecture, Model Context Protocol, API design, and cloud platforms (GCP, Azure). Skilled in containerisation and orchestration (Docker, Kubernetes), version control (Git, BitBucket), and CI/CD pipelines. More ❯

to lead and scale our software engineering function. This senior leadership role will focus heavily on software engineering excellence across full-stack development, system design, architecture, and software delivery processes — while also overseeing our data engineering, cloud infrastructure, and security functions. You will be responsible for setting the technical … and own the technical roadmap, ensuring architectural scalability, security, performance, and maintainability of all software systems. Oversee full lifecycle software development — from requirements, technical design, development, testing, deployment, to post-release monitoring and maintenance. Establish, enforce, and continuously evolve software engineering best practices (e.g., SOLID principles, domain-driven design … systems using APIs, middleware, and ETL pipelines, including Salesforce, Power Platform (PowerApps, PowerAutomate, LogicApps), SharePoint, and custom web applications. Lead optimization and governance around API design (RESTful services, rate limiting, versioning, monitoring, etc.). Ensure high data consistency, operational integrity, and well-documented interface contracts between services. Software More ❯

to lead and scale our software engineering function. This senior leadership role will focus heavily on software engineering excellence across full-stack development, system design, architecture, and software delivery processes — while also overseeing our data engineering, cloud infrastructure, and security functions. You will be responsible for setting the technical … and own the technical roadmap, ensuring architectural scalability, security, performance, and maintainability of all software systems. Oversee full lifecycle software development — from requirements, technical design, development, testing, deployment, to post-release monitoring and maintenance. Establish, enforce, and continuously evolve software engineering best practices (e.g., SOLID principles, domain-driven design … systems using APIs, middleware, and ETL pipelines, including Salesforce, Power Platform (PowerApps, PowerAutomate, LogicApps), SharePoint, and custom web applications. Lead optimization and governance around API design (RESTful services, rate limiting, versioning, monitoring, etc.). Ensure high data consistency, operational integrity, and well-documented interface contracts between services. Software More ❯

is ideal for someone who thrives in a hands-on technical leadership position and is passionate about building impactful solutions. Key Responsibilities: Lead the design, development, and deployment of scalable, robust, and secure backend systems using Python. Collaborate with cross-functional teams to define technical requirements and drive product … Skills and Qualifications: 5+ years of professional experience in Python development. Strong experience with Django, Flask, or similar Python web frameworks. Proven ability to design and implement scalable, cloud-based solutions (e.g., AWS, Azure, or GCP). Proficiency in relational and non-relational databases (e.g., PostgreSQL, MongoDB). Hands … on experience with RESTful API design and implementation. Solid understanding of software architecture, design patterns, and best practices. Experience with CI/CD pipelines and DevOps practices. Strong problem-solving skills and a proactive attitude. Excellent communication and leadership abilities. What We Offer: Opportunity to make a More ❯

is ideal for someone who thrives in a hands-on technical leadership position and is passionate about building impactful solutions. Key Responsibilities: Lead the design, development, and deployment of scalable, robust, and secure backend systems using Python. Collaborate with cross-functional teams to define technical requirements and drive product … Skills and Qualifications: 5+ years of professional experience in Python development. Strong experience with Django, Flask, or similar Python web frameworks. Proven ability to design and implement scalable, cloud-based solutions (e.g., AWS, Azure, or GCP). Proficiency in relational and non-relational databases (e.g., PostgreSQL, MongoDB). Hands … on experience with RESTful API design and implementation. Solid understanding of software architecture, design patterns, and best practices. Experience with CI/CD pipelines and DevOps practices. Strong problem-solving skills and a proactive attitude. Excellent communication and leadership abilities. What We Offer: Opportunity to make a More ❯

will be circa £650 per day, inside IR35 Key Skills Required: Strong Security and Development background, in SDLC-focused roles Deep knowledge of OWASP API Top 10 Able to review Swagger/Open API specs for vulnerabilities Advise on secure API design patterns Familiar with fallback … controls such as WAF's, API gateways Experience using SIEM/logging tools to track API threats Familiarity with NIST, OWASP SAMM, or internal security frameworks Experience producing risk dashboards/reports for API's Able to translate technical risks into business language, collaborating with key stakeholders More ❯

will be circa £650 per day, inside IR35 Key Skills Required: Strong Security and Development background, in SDLC-focused roles Deep knowledge of OWASP API Top 10 Able to review Swagger/Open API specs for vulnerabilities Advise on secure API design patterns Familiar with fallback … controls such as WAF's, API gateways Experience using SIEM/logging tools to track API threats Familiarity with NIST, OWASP SAMM, or internal security frameworks Experience producing risk dashboards/reports for API's Able to translate technical risks into business language, collaborating with key stakeholders More ❯

Level). 🎯 Impact | Technology Transformation, Modernization, and Scalability. 📏 Size | Medium-sized team, part of an exciting in-house engineering transformation. 🌟 Skills | PHP (Laravel), JQuery, API Development, MySQL, SOLID Principles, and modern DevOps tools. 📍 Location | London, UK/Remote - You must be eligible to work in UK 💻 Hybrid | Flexible working … collaborative development team, you’ll play a pivotal role in enhancing and modernizing the company’s tech stack. This involves building a robust backend API, integrating third-party platforms, and rolling out innovative features to enhance customer experience and operational efficiency. This is a PHP Laravel-focused position, but … PHP developer with strong Laravel skills and the flexibility to work with C#/.Net when needed. You have a solid grasp of SOLID design principles , enjoy working in a fast-paced environment, and have experience building robust, well-optimized APIs. Bonus points if you have worked with DevOps More ❯

Level). 🎯 Impact | Technology Transformation, Modernization, and Scalability. 📏 Size | Medium-sized team, part of an exciting in-house engineering transformation. 🌟 Skills | PHP (Laravel), JQuery, API Development, MySQL, SOLID Principles, and modern DevOps tools. 📍 Location | London, UK/Remote - You must be eligible to work in UK 💻 Hybrid | Flexible working … collaborative development team, you’ll play a pivotal role in enhancing and modernizing the company’s tech stack. This involves building a robust backend API, integrating third-party platforms, and rolling out innovative features to enhance customer experience and operational efficiency. This is a PHP Laravel-focused position, but … PHP developer with strong Laravel skills and the flexibility to work with C#/.Net when needed. You have a solid grasp of SOLID design principles , enjoy working in a fast-paced environment, and have experience building robust, well-optimized APIs. Bonus points if you have worked with DevOps More ❯

Java Developer/Backend Software Engineer (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 Java Developer 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 ❯

and containerized environments (Docker, Kubernetes). Proficiency with Postgr eS QL, R edis, and message queue systems (e.g., RabbitMQ, Kafka). Deep understanding of API design and best practices (REST, gRPC). Experience with CI/CD pipelines, monitoring tools (e.g., Prometheus, Grafana), and logging systems (e.g., ELK More ❯

and containerized environments (Docker, Kubernetes). Proficiency with Postgr eS QL, R edis, and message queue systems (e.g., RabbitMQ, Kafka). Deep understanding of API design and best practices (REST, gRPC). Experience with CI/CD pipelines, monitoring tools (e.g., Prometheus, Grafana), and logging systems (e.g., ELK More ❯