226 to 250 of 469 Permanent API Design Jobs

shape scalable, next-generation digital ecosystems. Whether delivering sophisticated Big Data platforms, cloud solutions, or advanced infrastructure, our teams will drive innovation and digital excellence across multiple programmes. Responsibilities Design, develop, and implement integrations in AWS and Azure. Some designed for low-code environments Collaborate with business analysts and solution architects to translate business requirements into integration solutions Document … integration designs, data flows, and technical specifications clearly and comprehensively Configure and maintain API-based, event-driven, and batch integrations between SaaS and on-premise systems Ensure integrations are secure, compliant, and performant, following cloud best practices Participate in code reviews, testing, and deployment pipelines (CI/CD) for integration solutions Maintain awareness of low-code platform features and … code/no-code integration platforms such as AWS, Azure, Power Automate, or MuleSoft composer Understanding of cloud services and architectures in AWS and/or Azure Familiarity with API design and management, REST/SOAP services, and event driven architectures Experience in documenting integration solutions, data flows, and technical specifications Strong problem-solving skills and ability to More ❯

shape scalable, next-generation digital ecosystems. Whether delivering sophisticated Big Data platforms, cloud solutions, or advanced infrastructure, our teams will drive innovation and digital excellence across multiple programmes. Responsibilities Design, develop, and implement integrations in AWS and Azure. Some designed for low-code environments Collaborate with business analysts and solution architects to translate business requirements into integration solutions Document … integration designs, data flows, and technical specifications clearly and comprehensively Configure and maintain API-based, event-driven, and batch integrations between SaaS and on-premise systems Ensure integrations are secure, compliant, and performant, following cloud best practices Participate in code reviews, testing, and deployment pipelines (CI/CD) for integration solutions Maintain awareness of low-code platform features and … code/no-code integration platforms such as AWS, Azure, Power Automate, or MuleSoft composer Understanding of cloud services and architectures in AWS and/or Azure Familiarity with API design and management, REST/SOAP services, and event driven architectures Experience in documenting integration solutions, data flows, and technical specifications Strong problem-solving skills and ability to More ❯

to help lead the next phase of growth. The Role We're looking for an experienced Full Stack Engineer to take ownership of full lifecycle development - from architecture and design through to deployment and optimisation. You'll be working across both the front and back end, collaborating with a multi-disciplinary team to build products that directly impact the … This is a hands-on, high-impact role with real autonomy and room to grow. Key Responsibilities Build and Own Develop scalable web applications using React, Next.js, and Node.js Design and maintain secure, high-performance RESTful APIs Lead architectural decisions across the full stack Own features end-to-end, from planning through to production Collaborate Work closely with UI … current with industry trends and recommend new technologies What We're Looking For Strong commercial experience with React, Next.js, Node.js, and JavaScript Solid understanding of back-end development and API design Experience working with cloud platforms (preferably AWS) Familiarity with both SQL and NoSQL databases (e.g. PostgreSQL, MongoDB) Understanding of Git, CI/CD pipelines, and secure coding More ❯

to help lead the next phase of growth. The Role We’re looking for an experienced Full Stack Engineer to take ownership of full lifecycle development — from architecture and design through to deployment and optimisation. You’ll be working across both the front and back end, collaborating with a multi-disciplinary team to build products that directly impact the … This is a hands-on, high-impact role with real autonomy and room to grow. Key Responsibilities Build and Own Develop scalable web applications using React, Next.js, and Node.js Design and maintain secure, high-performance RESTful APIs Lead architectural decisions across the full stack Own features end-to-end, from planning through to production Collaborate Work closely with UI … current with industry trends and recommend new technologies What We’re Looking For Strong commercial experience with React, Next.js, Node.js, and JavaScript Solid understanding of back-end development and API design Experience working with cloud platforms (preferably AWS) Familiarity with both SQL and NoSQL databases (e.g. PostgreSQL, MongoDB) Understanding of Git, CI/CD pipelines, and secure coding More ❯

to help lead the next phase of growth. The Role We’re looking for an experienced Full Stack Engineer to take ownership of full lifecycle development — from architecture and design through to deployment and optimisation. You’ll be working across both the front and back end, collaborating with a multi-disciplinary team to build products that directly impact the … This is a hands-on, high-impact role with real autonomy and room to grow. Key Responsibilities Build and Own Develop scalable web applications using React, Next.js, and Node.js Design and maintain secure, high-performance RESTful APIs Lead architectural decisions across the full stack Own features end-to-end, from planning through to production Collaborate Work closely with UI … current with industry trends and recommend new technologies What We’re Looking For Strong commercial experience with React, Next.js, Node.js, and JavaScript Solid understanding of back-end development and API design Experience working with cloud platforms (preferably AWS) Familiarity with both SQL and NoSQL databases (e.g. PostgreSQL, MongoDB) Understanding of Git, CI/CD pipelines, and secure coding More ❯

to help lead the next phase of growth. The Role We’re looking for an experienced Full Stack Engineer to take ownership of full lifecycle development — from architecture and design through to deployment and optimisation. You’ll be working across both the front and back end, collaborating with a multi-disciplinary team to build products that directly impact the … This is a hands-on, high-impact role with real autonomy and room to grow. Key Responsibilities Build and Own Develop scalable web applications using React, Next.js, and Node.js Design and maintain secure, high-performance RESTful APIs Lead architectural decisions across the full stack Own features end-to-end, from planning through to production Collaborate Work closely with UI … current with industry trends and recommend new technologies What We’re Looking For Strong commercial experience with React, Next.js, Node.js, and JavaScript Solid understanding of back-end development and API design Experience working with cloud platforms (preferably AWS) Familiarity with both SQL and NoSQL databases (e.g. PostgreSQL, MongoDB) Understanding of Git, CI/CD pipelines, and secure coding More ❯

based applications that leverage generative AI capabilities. This hands-on position requires deep technical expertise to translate business needs into robust, scalable, and intelligent software solutions. Key responsibilities: Software Design & Development: Design, develop, and maintain high-quality, scalable, and efficient software applications and services. Write clean, well-documented, and maintainable code following established best practices. Translate complex business … requirements into detailed technical specifications, architectural designs, and API contracts. Create and implement microservice architectures via APIs and services, ensuring seamless integration and data flow. GenAI Application Development: Develop and integrate advanced Generative AI models and Agentic AI approaches into new and existing applications. Optimize application code and architecture for performance, scalability, security, and cost-effectiveness. Work with data … engineers, to deliver features iteratively. Participate actively in agile ceremonies (e.g., stand-ups, sprint planning, retrospectives). Create and maintain comprehensive technical documentation, including code documentation, system designs, and API specifications. Security & Compliance (Application Layer): Ensure all software solutions adhere to secure coding practices, data privacy regulations, and compliance standards. Implement robust security measures within the application code, including More ❯

based applications that leverage generative AI capabilities. This hands-on position requires deep technical expertise to translate business needs into robust, scalable, and intelligent software solutions. Key responsibilities: Software Design & Development: Design, develop, and maintain high-quality, scalable, and efficient software applications and services. Write clean, well-documented, and maintainable code following established best practices. Translate complex business … requirements into detailed technical specifications, architectural designs, and API contracts. Create and implement microservice architectures via APIs and services, ensuring seamless integration and data flow. GenAI Application Development: Develop and integrate advanced Generative AI models and Agentic AI approaches into new and existing applications. Optimize application code and architecture for performance, scalability, security, and cost-effectiveness. Work with data … engineers, to deliver features iteratively. Participate actively in agile ceremonies (e.g., stand-ups, sprint planning, retrospectives). Create and maintain comprehensive technical documentation, including code documentation, system designs, and API specifications. Security & Compliance (Application Layer): Ensure all software solutions adhere to secure coding practices, data privacy regulations, and compliance standards. Implement robust security measures within the application code, including More ❯

based applications that leverage generative AI capabilities. This hands-on position requires deep technical expertise to translate business needs into robust, scalable, and intelligent software solutions. Key responsibilities: Software Design & Development: Design, develop, and maintain high-quality, scalable, and efficient software applications and services. Write clean, well-documented, and maintainable code following established best practices. Translate complex business … requirements into detailed technical specifications, architectural designs, and API contracts. Create and implement microservice architectures via APIs and services, ensuring seamless integration and data flow. GenAI Application Development: Develop and integrate advanced Generative AI models and Agentic AI approaches into new and existing applications. Optimize application code and architecture for performance, scalability, security, and cost-effectiveness. Work with data … engineers, to deliver features iteratively. Participate actively in agile ceremonies (e.g., stand-ups, sprint planning, retrospectives). Create and maintain comprehensive technical documentation, including code documentation, system designs, and API specifications. Security & Compliance (Application Layer): Ensure all software solutions adhere to secure coding practices, data privacy regulations, and compliance standards. Implement robust security measures within the application code, including More ❯

based applications that leverage generative AI capabilities. This hands-on position requires deep technical expertise to translate business needs into robust, scalable, and intelligent software solutions. Key responsibilities: Software Design & Development: Design, develop, and maintain high-quality, scalable, and efficient software applications and services. Write clean, well-documented, and maintainable code following established best practices. Translate complex business … requirements into detailed technical specifications, architectural designs, and API contracts. Create and implement microservice architectures via APIs and services, ensuring seamless integration and data flow. GenAI Application Development: Develop and integrate advanced Generative AI models and Agentic AI approaches into new and existing applications. Optimize application code and architecture for performance, scalability, security, and cost-effectiveness. Work with data … engineers, to deliver features iteratively. Participate actively in agile ceremonies (e.g., stand-ups, sprint planning, retrospectives). Create and maintain comprehensive technical documentation, including code documentation, system designs, and API specifications. Security & Compliance (Application Layer): Ensure all software solutions adhere to secure coding practices, data privacy regulations, and compliance standards. Implement robust security measures within the application code, including More ❯

based applications that leverage generative AI capabilities. This hands-on position requires deep technical expertise to translate business needs into robust, scalable, and intelligent software solutions. Key responsibilities: Software Design & Development: Design, develop, and maintain high-quality, scalable, and efficient software applications and services. Write clean, well-documented, and maintainable code following established best practices. Translate complex business … requirements into detailed technical specifications, architectural designs, and API contracts. Create and implement microservice architectures via APIs and services, ensuring seamless integration and data flow. GenAI Application Development: Develop and integrate advanced Generative AI models and Agentic AI approaches into new and existing applications. Optimize application code and architecture for performance, scalability, security, and cost-effectiveness. Work with data … engineers, to deliver features iteratively. Participate actively in agile ceremonies (e.g., stand-ups, sprint planning, retrospectives). Create and maintain comprehensive technical documentation, including code documentation, system designs, and API specifications. Security & Compliance (Application Layer): Ensure all software solutions adhere to secure coding practices, data privacy regulations, and compliance standards. Implement robust security measures within the application code, including More ❯

SaaS platforms. You’ll help shape architecture, deliver new features end-to-end, and contribute to technical strategy in a lean, high-calibre engineering team. What You’ll Do Design and build scalable backend and fullstack solutions in Node.js, TypeScript, React, AWS Collaborate closely on architecture, data models, and API design (REST, GraphQL, tRPC, WebSockets) Balance speed … in Node.js and React ; strong TypeScript skills Solid understanding of modern DevOps (Docker, AWS, CI/CD, Kubernetes a plus) Pragmatic engineer who values collaboration, clean code, and thoughtful design Join a team where product excellence, autonomy, and technical craftsmanship drive everything. More ❯

SaaS platforms. You’ll help shape architecture, deliver new features end-to-end, and contribute to technical strategy in a lean, high-calibre engineering team. What You’ll Do Design and build scalable backend and fullstack solutions in Node.js, TypeScript, React, AWS Collaborate closely on architecture, data models, and API design (REST, GraphQL, tRPC, WebSockets) Balance speed … in Node.js and React ; strong TypeScript skills Solid understanding of modern DevOps (Docker, AWS, CI/CD, Kubernetes a plus) Pragmatic engineer who values collaboration, clean code, and thoughtful design Join a team where product excellence, autonomy, and technical craftsmanship drive everything. More ❯

SaaS platforms. You’ll help shape architecture, deliver new features end-to-end, and contribute to technical strategy in a lean, high-calibre engineering team. What You’ll Do Design and build scalable backend and fullstack solutions in Node.js, TypeScript, React, AWS Collaborate closely on architecture, data models, and API design (REST, GraphQL, tRPC, WebSockets) Balance speed … in Node.js and React ; strong TypeScript skills Solid understanding of modern DevOps (Docker, AWS, CI/CD, Kubernetes a plus) Pragmatic engineer who values collaboration, clean code, and thoughtful design Join a team where product excellence, autonomy, and technical craftsmanship drive everything. More ❯

SaaS platforms. You’ll help shape architecture, deliver new features end-to-end, and contribute to technical strategy in a lean, high-calibre engineering team. What You’ll Do Design and build scalable backend and fullstack solutions in Node.js, TypeScript, React, AWS Collaborate closely on architecture, data models, and API design (REST, GraphQL, tRPC, WebSockets) Balance speed … in Node.js and React ; strong TypeScript skills Solid understanding of modern DevOps (Docker, AWS, CI/CD, Kubernetes a plus) Pragmatic engineer who values collaboration, clean code, and thoughtful design Join a team where product excellence, autonomy, and technical craftsmanship drive everything. More ❯

SaaS platforms. You’ll help shape architecture, deliver new features end-to-end, and contribute to technical strategy in a lean, high-calibre engineering team. What You’ll Do Design and build scalable backend and fullstack solutions in Node.js, TypeScript, React, AWS Collaborate closely on architecture, data models, and API design (REST, GraphQL, tRPC, WebSockets) Balance speed … in Node.js and React ; strong TypeScript skills Solid understanding of modern DevOps (Docker, AWS, CI/CD, Kubernetes a plus) Pragmatic engineer who values collaboration, clean code, and thoughtful design Join a team where product excellence, autonomy, and technical craftsmanship drive everything. More ❯

is a hands-on position where you’ll take ownership of critical systems, influence architecture, and help drive technical excellence across the stack. You’ll work closely with product, design, and fellow engineers to build clean, reliable, and scalable systems that underpin financial workflows and payment infrastructure. What You’ll Bring 5+ years of commercial software engineering experience Proven … in SaaS or payment systems Strong proficiency in full-stack development using an object-oriented backend language (.NET) and a modern JavaScript framework (ideally React) Solid understanding of databases , API design , and web architecture Experience with cloud platforms (AWS, Azure, or GCP) Strong engineering fundamentals: clean code, testing, CI/CD, version control (Git) A proactive, ownership-driven More ❯

is a hands-on position where you’ll take ownership of critical systems, influence architecture, and help drive technical excellence across the stack. You’ll work closely with product, design, and fellow engineers to build clean, reliable, and scalable systems that underpin financial workflows and payment infrastructure. What You’ll Bring 5+ years of commercial software engineering experience Proven … in SaaS or payment systems Strong proficiency in full-stack development using an object-oriented backend language (.NET) and a modern JavaScript framework (ideally React) Solid understanding of databases , API design , and web architecture Experience with cloud platforms (AWS, Azure, or GCP) Strong engineering fundamentals: clean code, testing, CI/CD, version control (Git) A proactive, ownership-driven More ❯

systems for maximum benefit and efficiency. Use a modern standards approach competently and proactively guide others in its application. Collaborate with stakeholders to review specifications, using agreed standards to design, code, test, correct, and document programmes or scripts of medium to high complexity. Define and communicate approaches for understanding user stories, guiding the team in effective prioritisation and execution. … in the following areas: Expert knowledge of Software Engineering best practices and a full understanding of the Software Development Lifecycle (SDLC). Deep experience with Micro-service architecture and API design principles. Strong practical experience with AWS and Docker/Containerisation. Define test plans and strategies, including expertise in Functional and Non-functional testing and the development/ More ❯

systems for maximum benefit and efficiency. Use a modern standards approach competently and proactively guide others in its application. Collaborate with stakeholders to review specifications, using agreed standards to design, code, test, correct, and document programmes or scripts of medium to high complexity. Define and communicate approaches for understanding user stories, guiding the team in effective prioritisation and execution. … in the following areas: Expert knowledge of Software Engineering best practices and a full understanding of the Software Development Lifecycle (SDLC). Deep experience with Micro-service architecture and API design principles. Strong practical experience with AWS and Docker/Containerisation. Define test plans and strategies, including expertise in Functional and Non-functional testing and the development/ More ❯

Zod (for validation) Backend NestJS + TypeORM Redis + Bull/BullMQ Jest (for testing) Architecture & Infrastructure 100% TypeScript codebase pnpm monorepo Docker + Kubernetes SQL databases 🎯 Key Responsibilities Design, build, and maintain scalable full-stack features using TypeScript Develop intuitive, high-performance user interfaces with React/Next.js Implement robust APIs and backend logic with NestJS Work with … Typescript (personal projects are okay) Minimum 1 year of commercial experience with JavaScript/Node.js Strong experience with React/Next.js and NestJS Solid understanding of SQL databases and API design Comfortable working in a fast-paced startup environment Excellent communication and problem-solving skills 🌟 What’s on Offer Salary up to £36,000 per year (dependent on More ❯

Zod (for validation) Backend NestJS + TypeORM Redis + Bull/BullMQ Jest (for testing) Architecture & Infrastructure 100% TypeScript codebase pnpm monorepo Docker + Kubernetes SQL databases 🎯 Key Responsibilities Design, build, and maintain scalable full-stack features using TypeScript Develop intuitive, high-performance user interfaces with React/Next.js Implement robust APIs and backend logic with NestJS Work with … Typescript (personal projects are okay) Minimum 1 year of commercial experience with JavaScript/Node.js Strong experience with React/Next.js and NestJS Solid understanding of SQL databases and API design Comfortable working in a fast-paced startup environment Excellent communication and problem-solving skills 🌟 What’s on Offer Salary up to £36,000 per year (dependent on More ❯

Zod (for validation) Backend NestJS + TypeORM Redis + Bull/BullMQ Jest (for testing) Architecture & Infrastructure 100% TypeScript codebase pnpm monorepo Docker + Kubernetes SQL databases Key Responsibilities Design, build, and maintain scalable full-stack features using TypeScript Develop intuitive, high-performance user interfaces with React/Next.js Implement robust APIs and backend logic with NestJS Work with … Typescript (personal projects are okay) Minimum 1 year of commercial experience with JavaScript/Node.js Strong experience with React/Next.js and NestJS Solid understanding of SQL databases and API design Comfortable working in a fast-paced startup environment Excellent communication and problem-solving skills What's on Offer Salary up to £36,000 per year (dependent on More ❯

Zod (for validation) Backend NestJS + TypeORM Redis + Bull/BullMQ Jest (for testing) Architecture & Infrastructure 100% TypeScript codebase pnpm monorepo Docker + Kubernetes SQL databases 🎯 Key Responsibilities Design, build, and maintain scalable full-stack features using TypeScript Develop intuitive, high-performance user interfaces with React/Next.js Implement robust APIs and backend logic with NestJS Work with … Typescript (personal projects are okay) Minimum 1 year of commercial experience with JavaScript/Node.js Strong experience with React/Next.js and NestJS Solid understanding of SQL databases and API design Comfortable working in a fast-paced startup environment Excellent communication and problem-solving skills 🌟 What’s on Offer Salary up to £36,000 per year (dependent on More ❯

Zod (for validation) Backend NestJS + TypeORM Redis + Bull/BullMQ Jest (for testing) Architecture & Infrastructure 100% TypeScript codebase pnpm monorepo Docker + Kubernetes SQL databases 🎯 Key Responsibilities Design, build, and maintain scalable full-stack features using TypeScript Develop intuitive, high-performance user interfaces with React/Next.js Implement robust APIs and backend logic with NestJS Work with … Typescript (personal projects are okay) Minimum 1 year of commercial experience with JavaScript/Node.js Strong experience with React/Next.js and NestJS Solid understanding of SQL databases and API design Comfortable working in a fast-paced startup environment Excellent communication and problem-solving skills 🌟 What’s on Offer Salary up to £36,000 per year (dependent on More ❯