1 to 25 of 26 API Design Jobs in the North West

is welcome; join us and let's build what's next - together! We are seeking a Senior Software Engineer to join our team in Manchester! Your Impact Software Development: Design, implement, and maintain scalable, maintainable, and efficient Python-based applications, focusing on backend and full-stack development. Collaboration & Communication: Work closely with product managers, designers, and other engineers to … familiarity with CI/CD pipelines (e.g., Jenkins, GitLab CI). Testing and Debugging: Experience with testing tools like pytest, unit tests, and debugging skills to quickly resolve issues. API Design: Strong knowledge of RESTful API design and implementation; knowledge of GraphQL is a plus. Security Best Practices: Awareness of security best practices in software development. More ❯

of Cloud Engineering Are you ready to lead the next wave of cloud innovation? Join our Cloud Native Engineering Lab as a Senior Cloud Platform Engineer and help us design, build, and operate secure, automated cloud platforms that empower product teams to deliver API-first services at pace and with confidence. Responsibilities Engineering Leadership: Be a hands-on … leader, balancing deep technical work with mentoring and coaching to raise the bar on reliability, security, and simplicity. Platform Development: Design, build, and operate cloud platform capabilities using Infrastructure-as-Code (Terraform) and modern CI/CD tools (Azure DevOps, GitHub Actions, Harness, Jenkins, Spinnaker). Security & Reliability: Embed secure-by-design principles from architecture to runtime, safeguarding … colleagues and customers. Performance & Automation: Define and operate against SLOs/SLIs, implement actionable observability, performance tuning, and automation to reduce toil. API-First Enablement: Enable API-first delivery with reusable patterns and golden paths for API producers and consumers. Community & Mentorship: Mentor engineers, contribute to communities of practice, and uphold Platform Engineering standards. Qualifications Proven experience More ❯

POWWR are looking for an experienced Technical Lead to join our UK engineering team and help drive the design, development, and delivery of POWWR’s SaaS energy marketplace platform. In this hands-on leadership role, you’ll guide a team of engineers spanning front-end, back-end, and data disciplines, ensuring architectural integrity, engineering excellence, and continuous improvement. You … ensuring scalability, maintainability, and alignment with POWWR’s platform strategy and product vision. Lead the development of high-performance web applications using Angular, .NET, and Azure services. Oversee the design and evolution of robust API layers (GraphQL and REST), ensuring consistency, discoverability, and strong contract boundaries across services. Champion DevOps culture by embedding CI/CD pipelines, automation … team development. Drive engineering quality through code reviews, automated testing, and test-driven development (TDD) . Contribute to cross-team technical initiatives such as shared libraries, security standards, and design system evolution. Participate in agile planning, sprint reviews, and retrospectives , fostering collaboration and accountability. Ensure compliance with ISO 27001 , security best practices, and regulatory standards (e.g., GDPR). Contribute 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 ❯

Solutions Architect - Data Platforms & API Migration Location: Manchester (Hybrid) Salary £80,000 - £90,000 DOE About the Opportunity A trailblazer in the legal sector is seeking a Solutions Architect with a specialist focus on legacy systems transformation, API-centric design, and enterprise-scale data platform migration. The company is recognised for embracing cutting-edge technology and innovation … Develop a technically robust engineering roadmap for migration and integration from on-premises/legacy platforms to cloud-based solutions, ensuring APIs and data flows are optimised. Target Architecture Design: Create scalable, resilient and secure architecture blueprints for a future-state data and applications landscape using SaaS, microservices, and APIs. Integration & Migration: Lead integration strategy and data migration efforts … with technical and business leaders to ensure all roadmaps support strategic business goals. Required Experience Significant expertise in software, solutions, or application architecture, including large-scale legacy migrations and API solutions. Prior experience within professional or legal services, or highly regulated environments. Proven track record delivering portfolio rationalisation and IT modernisation projects in complex organisations. Strong hands-on experience More ❯

Solutions Architect - Data Platforms & API Migration Location: Manchester (Hybrid) Salary £80,000 - £90,000 DOE About the Opportunity A trailblazer in the legal sector is seeking a Solutions Architect with a specialist focus on legacy systems transformation, API-centric design, and enterprise-scale data platform migration. The company is recognised for embracing cutting-edge technology and innovation … Develop a technically robust engineering roadmap for migration and integration from on-premises/legacy platforms to cloud-based solutions, ensuring APIs and data flows are optimised. Target Architecture Design: Create scalable, resilient and secure architecture blueprints for a future-state data and applications landscape using SaaS, microservices, and APIs. Integration & Migration: Lead integration strategy and data migration efforts … with technical and business leaders to ensure all roadmaps support strategic business goals. Required Experience Significant expertise in software, solutions, or application architecture, including large-scale legacy migrations and API solutions. Prior experience within professional or legal services, or highly regulated environments. Proven track record delivering portfolio rationalisation and IT modernisation projects in complex organisations. Strong hands-on experience More ❯

considered for this role you'll need commercial experience in C#/.NET Development Tech Stack: C#/.NET Core UI Development (WPF/XAML/MVVM) Entity Framework API Design & Development OOP SQL Git/TFS Desirable skills include Docker, Kubernetes, CI/CD, Android & Azure DevOps Role Overview: Design & architecture of applications and design More ❯

Business Banking Technology team. You’ll be instrumental in building and scaling the digital banking platform that powers the experience for over 650,000 UK business clients. Key Accountabilities: Design, develop, and maintain scalable full-stack applications using React.js , TypeScript , Java , and Spring Boot . Collaborate with cross-functional teams to deliver end-to-end features—from UI to … Oracle, MongoDB (optional) Kafka, Redis (for messaging and caching) 4+ years of experience in full-stack development with strong proficiency in Java and React.js . Solid understanding of RESTful API design , microservices , and cloud-native development . Experience with CI/CD pipelines , containerization , and infrastructure as code . Familiarity with agile methodologies and collaborative development practices. Strong More ❯

day you will: Lead a cross-functional engineering team through discovery, delivery, and optimisation Ship clean, well-tested code across the full stack (React/JS + .NET Core) Design and evolve API-driven, event-enabled architecture Own systems end-to-end with real DevOps autonomy Champion engineering best practices — CI/CD, observability, automated testing, modern cloud … patterns Help define our engineering culture, ways of working, and standards Collaborate closely with Product, Design, Data and Platform teams to build experiences used at scale We're looking for a Lead Engineer, who thrives in a modern engineering culture (DevOps, cloud-native thinking, CI/CD, and strong craftsmanship), wants to build experiences used by millions every day … React/JavaScript on the front end + .NET Core on the back Strong AWS knowledge — we love serverless, containers, and building things the “right” cloud-native way Excellent API design skills and experience running distributed systems Someone who cares about Agile delivery, DevOps principles, and craftsmanship A leader who loves mentoring engineers and lifting teams The ability More ❯

Lead - Liverpool | Hybrid | £70,000-£80,000 DOE About the Role We're looking for a Technical Lead with deep expertise in the Microsoft technology stack to lead the design, development, and delivery of robust software solutions. This role combines hands-on technical leadership with mentorship and strategic oversight - ideal for someone who thrives at the intersection of architecture … coding, and team enablement. Key Responsibilities Lead technical design and development across projects built on the Microsoft stack (e.g., .NET Core, C#, Azure, SQL Server). Architect scalable, secure, and maintainable solutions aligned with business goals and best practices. Guide and mentor developers , performing code reviews and fostering an environment of technical excellence. Collaborate cross-functionally with product managers … with strong hands-on expertise in C# and .NET/.NET Core . Proven experience designing and delivering cloud-native applications on Microsoft Azure . Strong knowledge of RESTful API design , Microservices architecture , and event-driven systems . Proficiency with SQL Server and ORM frameworks (e.g., Entity Framework). Experience with DevOps tools (Azure DevOps, GitHub Actions, or More ❯

executing blueprint/roadmaps for modernizing Legacy payment flows. Utilizing defined best practices, templates and documentation to create architectural designs. The ideal candidate will have experience in system integration, API design and API management, including architecting enterprise-wide, end-to-end solutions with a strong focus on cloud-based technologies By applying to this job you are More ❯

culture. Key Responsibilities: Architect and deliver full-stack solutions using modern .NET and JavaScript frameworks Lead the migration of legacy (WinForms/WPF) applications to web and cloud platforms Design and implement secure, scalable and maintainable cloud-native applications Define and uphold coding standards, design principles and development best practices Manage CI/CD pipelines to streamline deployment … Skills: Core: C#, .NET Core, SQL Frontend: JavaScript/TypeScript with React, Angular or Vue.js DevOps: Azure DevOps, CI/CD Pipelines Nice to Have: Docker, Kubernetes, Terraform, Microservices, API design The Lead .NET Developer role offers up to £90,000, plus annual bonus and benefits. You’ll work in a hybrid model (2 days a week onsite More ❯

Senior Backend Developer (Node.JS) I'm looking for an experienced backend senior developer to support API development and backend delivery for a high-traffic consumer platform. You’ll work alongside front-end engineers to build scalable, secure, and performant systems using modern tools and AI-assisted development. You’ll be a good fit if you: Deliver production-ready APIs … architectural standards and established development patterns Understand backend performance, scalability, and security at production scale Build reliable, maintainable APIs and data systems Collaborate effectively with front-end developers to design and implement seamless integrations Apply caching and optimization techniques for high-traffic environments We’re not looking for: Developers needing extensive supervision or mentoring Anyone without production experience in … consumer-facing systems Those who avoid AI coding tools Core Technical Requirements: Node.js (extensive production experience) - this is key, you must have RESTful API design and development (production experience) Database design and optimization (SQL and/or NoSQL) Authentication, authorization, and security best practices AI coding tools (GitHub Copilot, Claude, Cursor, or similar) Nice to Have: React More ❯

Software Architect – Lead the Future of a High-Scale .NET Platform C#, .NET, Kafka, SQL, AWS, AI/ML, Event-Driven Systems Hybrid – North West Are you ready to design and shape the core architecture of a platform built to support global scale , rapid growth, and long-term innovation? We are at the start of a major systems transformation … who can set vision , mentor teams , and lead architectural decision-making while staying close enough to the code to guide best practice. What You’ll Do Define the architecture, design principles, and technical roadmap for a highly scalable, distributed platform. Lead end-to-end solution design across event-driven , microservices , and cloud-native systems. Drive the modernisation journey … on where required — providing technical leadership, code review, and architectural oversight. Partner with stakeholders across engineering, product, data and business leadership. Embed performance, reliability, observability, and resilience into system design from day one. Help shape our evolving use of AI/ML for optimisation, automation, and predictive insights. What We’re Looking For Proven experience architecting distributed, high-throughput 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 ❯

front-end experiences with and Working with Docker, containers, and Linux infrastructure to streamline deployments. Leading problem-solving sessions, code reviews, and architectural planning for exciting ecommerce innovations. Managing API integrations and optimising database performance. What You'll Need Strong experience with PHP 8 and Laravel 10+ Proficiency with JavaScript frameworks , ) Docker, containers, and Linux expertise Solid experience with … Git and MySQL RESTful API design and integration knowledge Bonus Skills Familiarity with queueing mechanisms and distributed task processing Experience integrating payment systems (Stripe, PayPal, etc.) CI/CD and unit testing best practices Agile/Scrum background Why Join? 30 days holiday (+ birthday off) Career growth opportunities in a fast-paced SaaS business Comprehensive health insurance More ❯

In this role, you will develop and maintain server-side logic and APIs for web and mobile applications, collaborate with frontend teams to ensure seamless integration, and support database design, development, and optimization. You’ll also play an active role in improving system performance, fixing bugs, and contributing to new features. The ideal candidate will have hands-on experience … in backend development with a focus on Java and Spring Framework (or similar). Strong knowledge of RESTful API design and both SQL and NoSQL databases is essential. This role is well-suited to a backend developer who wants to grow within a collaborative engineering team that values clean, scalable code and strong development practices. Essential Skills Java More ❯

Stack or Backend Developer to play a key role in shaping the backend of our next-generation B2C platform. You’ll work closely with our front-end team to design and deliver robust, scalable APIs and infrastructure that power our consumer experience. What You’ll Do: Develop and maintain production-grade APIs and backend systems using Node.js. Leverage AI … and security for scale. Collaborate with front-end engineers to integrate APIs seamlessly. What We’re Looking For: Extensive experience building high-traffic consumer applications. Strong understanding of RESTful API design, database optimization, and security. Proven AI-assisted development workflow. Ability to work autonomously within established technical frameworks. Nice to Have: React/Next.js, Azure, Payload CMS, microservices More ❯

finding and taking on a feature or project simply because that problem needs to be solved and shipped. But that individual must work together with different engineering teams, UI design, product teams, and business leadership to make things happen, which means that engineers succeed here because they can maintain that independent spirit and motivation within a deeply collaborative environment. … with OpenGL, DirectX, or any other graphics APIs Experience writing functional and integration testsGood understanding of Core OS concepts like memory management and multi threading A good understanding of API design, considerations and trade offs Consumer electronics experience building Media/Content and/or Ad product Strong verbal and written communication skills (this role involves frequent communication More ❯

role in our success. Your Role: Bridging Development & Customer Success As a Firmware Support Engineer, you will be responsible for the end-to-end lifecycle of our firmware, from design and development to post-deployment support. Your expertise in Modbus RTU/TCP and M-Bus will be critical. Key Responsibilities: Design & Development: Create, develop, and test firmware … Customer-Facing Support: Act as the primary technical contact for customers, providing clear, expert support on our products and protocols. Hardware Collaboration: Work with hardware teams; knowledge of PCB design and assembly is a plus for effective troubleshooting. Full Lifecycle Involvement: Participate in requirements definition, unit testing, API design, and maintaining documentation in Confluence. What We're … debugging complex system issues. Strong communication skills, with the ability to explain technical concepts clearly to customers and colleagues. Desirable Skills: Experience with IoT device development. Familiarity with PCB design, assembly, and troubleshooting. Knowledge of test automation frameworks. What We Offer You: Competitive Salary: A competitive package of up to £50,000, dependent on your experience. Specialist Role: Become More ❯

developers + DevOps engineers) delivering secure, scalable, and high-availability AI systems. Own AWS-based infrastructure : Lambda, EC2, S3, CloudFormation/Terraform, CloudWatch, and VPC security. Oversee JSON-based API integrations , data pipelines, and serverless event-driven architectures. Implement continuous integration and deployment (CI/CD) pipelines for code, models, and infrastructure. Ensure DevSecOps best practices — patching, logging, monitoring … or AWS CodePipeline). Proven ability to secure and scale production systems. Monitoring and observability tools (CloudWatch, Grafana, OpenTelemetry). Familiar with data exchange formats (JSON, YAML, Parquet) and API design. Leadership & Delivery 4–8 years in software development and/or DevOps , including 2+ in a management or team lead role. Experience in defence, aerospace, or regulated sectors More ❯