1 to 25 of 154 Permanent API Design Jobs in England

The Role As a Founding Backend Engineer, you'll be instrumental in shaping our technical infrastructure from the ground up. You'll take ownership of our existing product and design, build, and maintain the systems that power our next phase of growth, ensuring our platform is robust, secure, and scalable. This is a unique opportunity to make a significant … tools like Terraform to programmatically manage cloud resources. CI/CD Pipeline Management : Some experience setting up and maintaining automated testing and deployment workflows using GitHub Actions. Development and API Design Scaling Applications : Previous success scaling applications to handle growing user bases and increasing traffic loads. API Design : Strong knowledge of RESTful API design More ❯

The Role As a Founding Backend Engineer, you'll be instrumental in shaping our technical infrastructure from the ground up. You'll take ownership of our existing product and design, build, and maintain the systems that power our next phase of growth, ensuring our platform is robust, secure, and scalable. This is a unique opportunity to make a significant … tools like Terraform to programmatically manage cloud resources. CI/CD Pipeline Management : Some experience setting up and maintaining automated testing and deployment workflows using GitHub Actions. Development and API Design Scaling Applications : Previous success scaling applications to handle growing user bases and increasing traffic loads. API Design : Strong knowledge of RESTful API design More ❯

The Role As a Founding Backend Engineer, you'll be instrumental in shaping our technical infrastructure from the ground up. You'll take ownership of our existing product and design, build, and maintain the systems that power our next phase of growth, ensuring our platform is robust, secure, and scalable. This is a unique opportunity to make a significant … tools like Terraform to programmatically manage cloud resources. CI/CD Pipeline Management : Some experience setting up and maintaining automated testing and deployment workflows using GitHub Actions. Development and API Design Scaling Applications : Previous success scaling applications to handle growing user bases and increasing traffic loads. API Design : Strong knowledge of RESTful API design More ❯

require an experienced Senior Software Engineer to lead the architecture, development and maintenance of a cross-platform Software Development Kit (SDK). The successful Senior Software Engineer will also design intuitive Graphical User Interfaces (GUIs) and integrate advanced third-party hardware drivers (USB3, CoaXPress, CameraLink). This is a senior technical role combining strategic architectural input with hands-on … Work with high-performance imaging hardware and advanced driver integrations. Attractive Package - Competitive salary, benefits, and genuine opportunities for professional growth. The Role SDK Development & Architecture Lead the architecture, design, and implementation of an SDK for internal and external developers/customers. Establish coding standards, API design guidelines, and best practices to ensure SDK usability and maintainability. … enable seamless hardware communication. Troubleshoot and optimize performance for high-throughput data interfaces. Collaborate with hardware vendors to ensure driver compatibility and long-term support. Graphical User Interface (GUI) Design & Development Design and develop intuitive basic GUIs that integrate seamlessly with the SDK for R&D debug, production QC and customer demo. Collaborate with the product teams to More ❯

About the role; As a Principal/Senior Full Stack Developer, you will serve as a technical leader and architect, driving the design and development of enterprise-scale cloud native solutions while establishing technical excellence across the organisation. You will define architectural patterns, set technical standards, and lead the adoption of best practices in agile software delivery. Your role … Job responsibilities will include, but are not limited to; Define and maintain enterprise-wide technical architecture standards and guidelines Lead architectural reviews and provide technical governance for major initiatives Design scalable, resilient, and secure solution architectures that align with business strategy Evaluate and recommend emerging technologies, frameworks, and platforms for adoption Create and maintain technical roadmaps that support business … objectives Establish and enforce coding standards, design patterns, and development best practices Lead proof-of-concept initiatives for new technologies and architectural approaches Serve as the technical authority for complex problem-solving and critical production issues Architect and develop complex, distributed systems that meet enterprise scalability requirements Lead by example through hands-on development of critical components and frameworks More ❯

establishing engineering best practices. You'll have the opportunity to make key architectural decisions and drive the technical vision for our product as we scale. Key Responsibilities: - Lead the design and development of complex features across our Next.js frontend and FastAPI backend - Architect scalable solutions at the forefront of robotics, AI, and web development - Manage and mentor a technical … team, providing code reviews, technical guidance, and career development support - Define and implement engineering standards, coding practices, and development workflows - Collaborate closely with product and design teams to translate requirements into technical specifications and delivery plans - Make key technical decisions regarding system architecture, technology choices, and infrastructure strategy - Drive technical initiatives from conception through delivery, ensuring quality and timely … technical projects or managing development teams - Deep expertise in React and Next.js with demonstrated ability to architect complex frontend applications - Strong backend development experience with Python and FastAPI, including API design at scale - Proven track record of making sound architectural decisions and technical trade-offs - Experience establishing engineering best practices, code quality standards, and team workflows - Strong understanding More ❯

on engineer who enjoys leading by example , thrives in agile environments , and is passionate about shaping engineering best practice while still contributing to the codebase. Key Responsibilities Lead the design, development, and testingof secure, scalable systems using Java with modern front-end frameworks (e.g., React) Architect and maintainAPIs, data pipelines, and cloud-native solutions(AWS, Azure, private cloud) Drive … Skills & Experience Deep expertise in Java, with strong full-stack engineering skills Proven experienceleading teams or projectsat a senior/principal level Strong knowledge ofsystem architecture, cloud solutions, and API design Familiarity withDevOps tools and automation(CI/CD, containers, IaC) Track record of deliveringsecure, production-grade systemsin agile teams Excellent stakeholder engagement, influencing, and communication skills Desirable … you. Qualifications Deep expertise in Java, with strong full-stack engineering skills Proven experienceleading teams or projectsat a senior/principal level Strong knowledge ofsystem architecture, cloud solutions, and API design Familiarity withDevOps tools and automation(CI/CD, containers, IaC) Why Is This a Great Opportunity Flexitime 37.5 hrs/week structured your way + remote options More ❯

Overview: We are seeking a technically proficient Data Analyst to join our IT Department. This role will focus on API design and systems integrations , playing a vital part in enabling data-driven decision-making and ensuring seamless data exchange across internal and external platforms. Key Responsibilities: Design, document, and maintain APIs to facilitate secure and efficient data … BI, Azure Foundry, and Fabric . Ensure data quality, compliance, and governance across all integrations. Support automation efforts by embedding APIs into existing workflows. Work closely with vendors to design solutions aligned with architectural standards and best practices. Key Skills & Experience: Proven experience in a Data Analyst or similar technical role. Strong hands-on experience with RESTful API design , documentation (Swagger/OpenAPI), and testing tools (e.g. Postman). Proficiency in SQL and scripting languages such as Python or R . Solid understanding of data modelling, ETL processes , and system integration . Experience working with Azure and Microsoft data tools including Power BI , Azure Foundry , and Fabric . Excellent communication skills and ability to engage effectively More ❯

professional services organisation is looking for a technically proficient Data Analyst to join the IT Department within the Strategy & Architecture Team. This role will have a strong focus on API design and integrations between systems. This role is critical in enabling data-driven decision-making and ensuring seamless data exchange across internal systems and external platforms. Key Responsibilities … Analyse and interpret complex datasets to support IT operations and strategic initiatives. Design, document, and maintain APIs that facilitate secure and efficient integration of data between systems. Create data dictionaries that describe data structures, elements, their meanings, and relationships within a dataset or database. Create Business Glossary and describe business terms, and their definitions, ensuring they are consistent across … fields. Essential Requirements Demonstrated experience in data analysis within an IT or technical environment. Strong proficiency in SQL and Scripting languages including Python or R. Practical experience with RESTful API design, documentation (eg Swagger/OpenAPI), and testing tools (eg Postman). Working knowledge of cloud platforms (primarily Azure) and associated data services. Strong understanding of data modelling More ❯

Software Engineer (API Development/Backend Node.js, C#) Birmingham, West Midlands (Hybrid 1 day onsite a week) £50-55k + Benefits Were partnering with a leading enterprise software house in Birmingham that is expanding its engineering team. Theyre looking for a Software Engineer with strong API and backend development experience to work on complex, high-performing systems … and developing robust APIs that power enterprise software products. Youll work primarily with Node.js and C#, collaborating with cross-functional teams to deliver well-architected, maintainable solutions. Key Responsibilities Design, build, and maintain RESTful APIs and backend systems. Develop high-quality, scalable code using Node.js and C#. Collaborate with product and engineering teams to define technical solutions. Ensure best … CD. Optimise performance, security, and maintainability of backend services. Support occasional front-end integration using React (desirable, not essential). Skills & Experience 4+ years commercial experience in backend/API development. Strong expertise in Node.js and C#. Solid understanding of REST API design and implementation. Experience with cloud computing and CI/CD pipelines. Knowledge of automated More ❯

ll join a high-performing cloud team supporting enterprise clients in designing and delivering secure, scalable integrations on AWS. You’ll work across modern architectures, leveraging containerisation, event-driven design, and API-first principles to solve complex integration challenges. Key Responsibilities Architect and implement AWS integrations using EKS (Kubernetes) and Lambda . Design and manage secure REST …/GraphQL APIs via API Gateway , including authentication, throttling, and schema validation. Integrate with enterprise platforms such as SAP, Salesforce, Oracle ERP for both batch and real-time data flows. Build event-driven messaging architectures using SQS, SNS , and Step Functions . Apply best practices in Kubernetes and API security , including TLS, KMS, RBAC , and service-to-service … X-Ray , and container-level logging and alerting tools. What We’re Looking For 5+ years of AWS integration experience, including secure deployments on Lambda and EKS . Strong API design and security expertise (OpenAPI, OAuth2, JWT). Proven integration experience with SAP, Salesforce, Oracle . Proficiency in Flask, FastAPI , or similar frameworks in cloud-native environments. Experience More ❯

ll join a high-performing cloud team supporting enterprise clients in designing and delivering secure, scalable integrations on AWS. You'll work across modern architectures, leveraging containerisation, event-driven design, and API-first principles to solve complex integration challenges. Key Responsibilities Architect and implement AWS integrations using EKS (Kubernetes) and Lambda . Design and manage secure REST …/GraphQL APIs via API Gateway , including authentication, throttling, and schema validation. Integrate with enterprise platforms such as SAP, Salesforce, Oracle ERP for both batch and real-time data flows. Build event-driven messaging architectures using SQS, SNS , and Step Functions . Apply best practices in Kubernetes and API security , including TLS, KMS, RBAC , and service-to-service … X-Ray , and container-level logging and alerting tools. What We're Looking For 5+ years of AWS integration experience, including secure deployments on Lambda and EKS . Strong API design and security expertise (OpenAPI, OAuth2, JWT). Proven integration experience with SAP, Salesforce, Oracle . Proficiency in Flask, FastAPI , or similar frameworks in cloud-native environments. Experience More ❯

# Mid-Level Full-Stack Engineer (React + Go)Remote - EMEA/EngineeringThe Tyk API Management platform is helping to drive the connected world and power new products and services. We're changing the way that organisations connect any number of their systems and services.Whether internal, external, public or highly encrypted systems, Tyk helps businesses drive value across the … telecoms, healthcare, or media industries (to name just a few!)If you've banked online, used an app to check the news, or perhaps even driven a connected car, API's, and by extension, Tyk, make that possible. Founded in 2015 with offices in London - UK, London - Ontario, Atlanta and Singapore, we have many thousands of users of our … a varied user base hailing from every continent - even Antarctica. Our MissionTyk is on a mission to connect every system in the world. We've started by building an API Management platform. Total flexibility, default remote, radical responsibility If this sounds like an environment that you believe could work for you then read on to find out more. The More ❯

up-within a startup-style venture backed by the strength and stability of an established business. Key Responsibilities End-to-end development of high-quality, scalable SaaS platforms from design through deployment and maintenance. Architect and implement robust backend services primarily using Python and PostgreSQL. Develop and maintain responsive, performant front-end applications with TypeScript and modern frameworks (e.g. … development productivity and platform capabilities. Provide technical mentorship and leadership to development teams, fostering best practices in coding, testing, and deployment. Participate in code reviews, architecture discussions, and system design decisions. Troubleshoot and resolve complex technical issues across the full stack. Ensure software security, scalability, and performance are maintained at all times. Keep abreast of emerging technologies and industry … Proven expertise in full-stack development using: TypeScript (and JavaScript frameworks such as NextJS, Node, or Tailwind) Python (including frameworks like Django, Flask, or FastAPI) PostgreSQL and relational database design, optimisation, and maintenance. AI Development Tools such as Windsurf, Aider or Augment. Demonstrable experience building and scaling SaaS platforms in a production environment. Strong understanding and practical application of More ❯

Each Other The Role We are seeking a Full Stack Software Engineer with a strong focus on Java to join our growing engineering team. In this role, you’ll design, build, and maintain robust and scalable full-stack applications that power our automation and SaaS platforms. You’ll collaborate closely with product managers, designers, and fellow engineers to deliver … high-impact solutions that make automation smarter, faster, and more reliable. What You’ll Do Design, develop, and implement highly performant full-stack applications using Java and related technologies. Build and maintain scalable back-end services, APIs, and microservices. Develop responsive, intuitive front-end interfaces with modern frameworks. Translate product requirements into technical specifications. Participate in the full SDLC … planning, design, coding, testing, deployment, and support. Write clean, maintainable, well-documented code following best practices. Implement automated tests (unit, integration, and end-to-end) to ensure quality. Troubleshoot, debug, and resolve software defects and production issues. Contribute to architectural discussions to ensure scalability, security, and performance. Mentor junior engineers and foster a culture of continuous improvement. What You More ❯

Each Other The Role We are seeking a Full Stack Software Engineer with a strong focus on Java to join our growing engineering team. In this role, you’ll design, build, and maintain robust and scalable full-stack applications that power our automation and SaaS platforms. You’ll collaborate closely with product managers, designers, and fellow engineers to deliver … high-impact solutions that make automation smarter, faster, and more reliable. What You’ll Do Design, develop, and implement highly performant full-stack applications using Java and related technologies. Build and maintain scalable back-end services, APIs, and microservices. Develop responsive, intuitive front-end interfaces with modern frameworks. Translate product requirements into technical specifications. Participate in the full SDLC … planning, design, coding, testing, deployment, and support. Write clean, maintainable, well-documented code following best practices. Implement automated tests (unit, integration, and end-to-end) to ensure quality. Troubleshoot, debug, and resolve software defects and production issues. Contribute to architectural discussions to ensure scalability, security, and performance. Mentor junior engineers and foster a culture of continuous improvement. What You More ❯

Back End Developer The Company Working for a business that brings content creators and investment together... You’ll help to design new, and support existing, integration processes while maintaining a principle of continuous improvement. You’ll use your knowledge of Azure to lead the development of web applications and platform elements and improve the performance and quality of existing … solutions. You'll use your communication skills to effectively collaborate with fellow team members to coordinate workload and ensure timely completion. The Role Design, develop, and maintain RESTful APIs and microservices to support platform functionality Build and optimise database schemas, queries, and data models for performance and scalability Implement secure authentication and authorization mechanisms including OAuth2 and SSO integrations … Experience 3-5 years of professional back-end development experience Strong proficiency in C# and .NET Core/ASP.NET Core Experience with Azure cloud services Solid understanding of RESTful API design principles and implementation Experience with SQL databases (Azure SQL, SQL Server) and T-SQL Knowledge of software design patterns and SOLID principles Experience with version control More ❯

Senior API/PHP Developer – Fully Remote (UK) – £80,000+ Venchr is partnering with a fast-growing SaaS company that’s redefining financial management in the luxury and yachting sector. Their platform unites accounting, payments, FX, and project management into a single, powerful ecosystem — helping clients worldwide streamline complex operations with ease. They’re now seeking a Lead PHP … Developer with a strong focus on API architecture and backend systems to join their fully remote UK-based engineering team. In this role, you’ll take ownership of designing, developing, and optimizing APIs that power mission-critical services. You’ll collaborate closely with product, DevOps, and frontend teams to ensure the platform remains scalable, secure, and future-proof. Beyond … hands-on coding, you’ll play a key part in setting technical standards, mentoring other engineers, and driving forward the API and integration strategy that underpins the company’s growth. What You’ll Bring Proven experience leading backend/API development using PHP and Laravel Expertise in RESTful API design, versioning, authentication, and performance optimization Strong More ❯

Senior API/PHP Developer – Fully Remote (UK) – £80,000+ Venchr is partnering with a fast-growing SaaS company that’s redefining financial management in the luxury and yachting sector. Their platform unites accounting, payments, FX, and project management into a single, powerful ecosystem — helping clients worldwide streamline complex operations with ease. They’re now seeking a Lead PHP … Developer with a strong focus on API architecture and backend systems to join their fully remote UK-based engineering team. In this role, you’ll take ownership of designing, developing, and optimizing APIs that power mission-critical services. You’ll collaborate closely with product, DevOps, and frontend teams to ensure the platform remains scalable, secure, and future-proof. Beyond … hands-on coding, you’ll play a key part in setting technical standards, mentoring other engineers, and driving forward the API and integration strategy that underpins the company’s growth. What You’ll Bring Proven experience leading backend/API development using PHP and Laravel Expertise in RESTful API design, versioning, authentication, and performance optimization Strong More ❯

Senior API/PHP Developer – Fully Remote (UK) – £80,000+ Venchr is partnering with a fast-growing SaaS company that’s redefining financial management in the luxury and yachting sector. Their platform unites accounting, payments, FX, and project management into a single, powerful ecosystem — helping clients worldwide streamline complex operations with ease. They’re now seeking a Lead PHP … Developer with a strong focus on API architecture and backend systems to join their fully remote UK-based engineering team. In this role, you’ll take ownership of designing, developing, and optimizing APIs that power mission-critical services. You’ll collaborate closely with product, DevOps, and frontend teams to ensure the platform remains scalable, secure, and future-proof. Beyond … hands-on coding, you’ll play a key part in setting technical standards, mentoring other engineers, and driving forward the API and integration strategy that underpins the company’s growth. What You’ll Bring Proven experience leading backend/API development using PHP and Laravel Expertise in RESTful API design, versioning, authentication, and performance optimization Strong More ❯

Senior API/PHP Developer – Fully Remote (UK) – £80,000+ Venchr is partnering with a fast-growing SaaS company that’s redefining financial management in the luxury and yachting sector. Their platform unites accounting, payments, FX, and project management into a single, powerful ecosystem — helping clients worldwide streamline complex operations with ease. They’re now seeking a Lead PHP … Developer with a strong focus on API architecture and backend systems to join their fully remote UK-based engineering team. In this role, you’ll take ownership of designing, developing, and optimizing APIs that power mission-critical services. You’ll collaborate closely with product, DevOps, and frontend teams to ensure the platform remains scalable, secure, and future-proof. Beyond … hands-on coding, you’ll play a key part in setting technical standards, mentoring other engineers, and driving forward the API and integration strategy that underpins the company’s growth. What You’ll Bring Proven experience leading backend/API development using PHP and Laravel Expertise in RESTful API design, versioning, authentication, and performance optimization Strong More ❯

Senior API/PHP Developer – Fully Remote (UK) – £80,000+ Venchr is partnering with a fast-growing SaaS company that’s redefining financial management in the luxury and yachting sector. Their platform unites accounting, payments, FX, and project management into a single, powerful ecosystem — helping clients worldwide streamline complex operations with ease. They’re now seeking a Lead PHP … Developer with a strong focus on API architecture and backend systems to join their fully remote UK-based engineering team. In this role, you’ll take ownership of designing, developing, and optimizing APIs that power mission-critical services. You’ll collaborate closely with product, DevOps, and frontend teams to ensure the platform remains scalable, secure, and future-proof. Beyond … hands-on coding, you’ll play a key part in setting technical standards, mentoring other engineers, and driving forward the API and integration strategy that underpins the company’s growth. What You’ll Bring Proven experience leading backend/API development using PHP and Laravel Expertise in RESTful API design, versioning, authentication, and performance optimization Strong More ❯

Senior API/PHP Developer – Fully Remote (UK) – £80,000+ Venchr is partnering with a fast-growing SaaS company that’s redefining financial management in the luxury and yachting sector. Their platform unites accounting, payments, FX, and project management into a single, powerful ecosystem — helping clients worldwide streamline complex operations with ease. They’re now seeking a Lead PHP … Developer with a strong focus on API architecture and backend systems to join their fully remote UK-based engineering team. In this role, you’ll take ownership of designing, developing, and optimizing APIs that power mission-critical services. You’ll collaborate closely with product, DevOps, and frontend teams to ensure the platform remains scalable, secure, and future-proof. Beyond … hands-on coding, you’ll play a key part in setting technical standards, mentoring other engineers, and driving forward the API and integration strategy that underpins the company’s growth. What You’ll Bring Proven experience leading backend/API development using PHP and Laravel Expertise in RESTful API design, versioning, authentication, and performance optimization Strong More ❯

Senior API/PHP Developer – Fully Remote (UK) – £80,000+ Venchr is partnering with a fast-growing SaaS company that’s redefining financial management in the luxury and yachting sector. Their platform unites accounting, payments, FX, and project management into a single, powerful ecosystem — helping clients worldwide streamline complex operations with ease. They’re now seeking a Lead PHP … Developer with a strong focus on API architecture and backend systems to join their fully remote UK-based engineering team. In this role, you’ll take ownership of designing, developing, and optimizing APIs that power mission-critical services. You’ll collaborate closely with product, DevOps, and frontend teams to ensure the platform remains scalable, secure, and future-proof. Beyond … hands-on coding, you’ll play a key part in setting technical standards, mentoring other engineers, and driving forward the API and integration strategy that underpins the company’s growth. What You’ll Bring Proven experience leading backend/API development using PHP and Laravel Expertise in RESTful API design, versioning, authentication, and performance optimization Strong More ❯

Senior API/PHP Developer – Fully Remote (UK) – £80,000+ Venchr is partnering with a fast-growing SaaS company that’s redefining financial management in the luxury and yachting sector. Their platform unites accounting, payments, FX, and project management into a single, powerful ecosystem — helping clients worldwide streamline complex operations with ease. They’re now seeking a Lead PHP … Developer with a strong focus on API architecture and backend systems to join their fully remote UK-based engineering team. In this role, you’ll take ownership of designing, developing, and optimizing APIs that power mission-critical services. You’ll collaborate closely with product, DevOps, and frontend teams to ensure the platform remains scalable, secure, and future-proof. Beyond … hands-on coding, you’ll play a key part in setting technical standards, mentoring other engineers, and driving forward the API and integration strategy that underpins the company’s growth. What You’ll Bring Proven experience leading backend/API development using PHP and Laravel Expertise in RESTful API design, versioning, authentication, and performance optimization Strong More ❯