1 to 25 of 41 API Design Jobs in the North of England

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 ❯

to manage infrastructure, monitor performance, and collaborate across teams to maintain scalable, secure, and resilient systems. Key role and responsibilities Build, deploy, and monitor solutions using AWS services (Lambda, API Gateway, CloudWatch, ECS, ECR, Dynamo, S3 etc.) Integrate APIs into CI/CD pipelines using Azure DevOps, Github workflows Lead and execute migration projects from Apigee Edge to Apigee … X, ensuring minimal disruption and optimal performance Design, deploy, and manage applications tailored to business needs, while customizing platforms and overseeing the full API lifecycle using Apigee Edge and X. Drive API strategy execution, provide technical support, and generate insights through analytics to enhance integrations and documentation. Key skills for this role Security Cleared or SC Eligible … including Executive Directors. This includes economic considerations for the product roadmap. Extensive experience with Google Apigee, including migration from Edge to X Ability to generate custom analytics reports for API consumption and errors Hands-on experience with infrastructure-as-code tools (e.g. Terraform, Ansible) is a must Proficiency with AWS cloud tools and architecture , including deploying microservices using ECS 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 ❯

and product owners to deliver reliable, production-grade systems. This is a 6-month contract role based in Leeds, UK , with a strong possibility of extension . Key Responsibilities: Design, develop, and deploy scalable backend microservices using Java 17 and Spring Boot . Configure and maintain DevOps pipelines on Google Cloud Platform (GCP) to support the credit decisioning engine. … and microservices architecture . Java 17: Hands-on experience is mandatory . DevOps & Cloud: Proven experience with GCP , AWS , or Azure , and familiarity with CI/CD pipelines . API Development: Expertise in RESTful API design and development. Frontend: Working knowledge of ReactJS or Angular . Testing: Strong background in automated testing , including JUnit . Mindset: Excellent 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 ❯

different stages of the Software Development Life Cycle including Requirements Elicitation, Application Architecture definition and Design. You will play an important role in creating the Architecture and high level design artifacts. You will also do technical feasibility and identify smart ways of completing client’s requirement. You will guide the team technically and work closely with offshore team acting … and collaboration are encouraged, excellence is rewarded, and diversity is respected and valued. Responsibilities • Define architecture and technical standards for Angular-based web applications and related component libraries. • Architect, design and review .NET Core microservices (API design, messaging, resiliency, CI/CD) deployed to Azure (App Services, Containerization, Functions, Service Bus, Cosmos/SQL, APIM). • Specify … native mobile app architecture patterns and guidelines for SwiftUI (iOS) and Jetpack Compose (Android), including shared data, offline sync, feature flagging, and CI pipelines. • Own and evolve the design system: components, tokens, theming, versioning, and cross-platform implementation patterns. • Ensure WCAG 2.2 accessibility compliance across web and mobile UIs; define test strategies and automated checks. • Drive browser performance strategy 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 ❯

development teams in commercial or enterprise settings Strong technical background in C#, .NET Core, MVC, Angular, SQL Server Working knowledge of PHP (Laravel preferred) Deep understanding of SOLID principles, design patterns, and RESTful API design Hands-on experience with CI/CD pipelines and agile delivery (TeamCity, Octopus Deploy, GitLab CI/CD) Excellent communication and stakeholder … teams across .NET and PHP Deliver high-quality software through structured planning and pragmatic execution Balance short-term delivery with long-term system stability and scalability Contribute to technical design, code reviews, and issue resolution Champion clean code, modular architecture, and disciplined CI/CD practices Manage resourcing across permanent and contract teams Support recruitment, onboarding, and professional development 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 ❯

and mobile platforms Integrate with PC and mobile apps that sync with the client’s hardware devices Drive DevOps best practices across CI/CD pipelines, monitoring, and deployment Design and maintain a cybersecurity-first architecture, including penetration testing Optimise an Azure-based infrastructure for high availability and cost efficiency Collaborate with cross-functional teams to deliver impactful new … features Shape the design of future products, including AI and data modelling initiatives Tech Stack Web: ASP.NET Core, C#, JavaScript, HTML/CSS PC: C#, XAML, USB-MTP Mobile: Cordova (iOS & Android) Cloud: Microsoft Azure, CI/CD pipelines, version control, automated testing Security: Secure coding, authentication, penetration testing Hardware: Industry-leading devices, digitally integrated What They are Looking … who thrives in collaboration and is excited about building systems with real-world impact. Key Skills: Strong experience with C#, ASP.NET Core, JavaScript, HTML/CSS Expertise in RESTful API design and integration An eye for UX/UI design and brand-consistent interfaces Knowledge of DevOps practices (CI/CD, version control, automation) Hands-on experience More ❯

and mobile platforms Integrate with PC and mobile apps that sync with the client's hardware devices Drive DevOps best practices across CI/CD pipelines, monitoring, and deployment Design and maintain a cybersecurity-first architecture, including penetration testing Optimise an Azure-based infrastructure for high availability and cost efficiency Collaborate with cross-functional teams to deliver impactful new … features Shape the design of future products, including AI and data modelling initiatives Tech Stack Web: ASP.NET Core, C#, JavaScript, HTML/CSS PC: C#, XAML, USB-MTP Mobile: Cordova (iOS & Android) Cloud: Microsoft Azure, CI/CD pipelines, version control, automated testing Security: Secure coding, authentication, penetration testing Hardware: Industry-leading devices, digitally integrated What They are Looking … who thrives in collaboration and is excited about building systems with real-world impact. Key Skills: Strong experience with C#, ASP.NET Core, JavaScript, HTML/CSS Expertise in RESTful API design and integration An eye for UX/UI design and brand-consistent interfaces Knowledge of DevOps practices (CI/CD, version control, automation) Hands-on experience More ❯

and mobile platforms Integrate with PC and mobile apps that sync with the client's hardware devices Drive DevOps best practices across CI/CD pipelines, monitoring, and deployment Design and maintain a cybersecurity-first architecture, including penetration testing Optimise an Azure-based infrastructure for high availability and cost efficiency Collaborate with cross-functional teams to deliver impactful new … features Shape the design of future products, including AI and data modelling initiatives Tech Stack Web: ASP.NET Core, C#, JavaScript, HTML/CSS PC: C#, XAML, USB-MTP Mobile: Cordova (iOS & Android) Cloud: Microsoft Azure, CI/CD pipelines, version control, automated testing Security: Secure coding, authentication, penetration testing Hardware: Industry-leading devices, digitally integrated What They are Looking … who thrives in collaboration and is excited about building systems with real-world impact. Key Skills: Strong experience with C#, ASP.NET Core, JavaScript, HTML/CSS Expertise in RESTful API design and integration An eye for UX/UI design and brand-consistent interfaces Knowledge of DevOps practices (CI/CD, version control, automation) Hands-on experience More ❯

Strong experience with C#, .NET Core, ASP.NET MVC Frontend development using Angular and REST APIs Database skills: Entity Framework, SQL Server, T-SQL Solid understanding of Dependency Injection, Web API design, and SOLID principles Familiarity with Git (GitLab experience a bonus), and CI/CD tools like TeamCity or Octopus Deploy Bonus: Experience with microservices, Oracle/PL … integration of new UI components, APIs, and data layers Collaborate with developers and business analysts to translate requirements into technical solutions Perform peer code reviews and contribute to solution design Champion best practices and scalable development patterns If you’re excited by the idea of building modern software in a collaborative environment, we’d love to hear from you. More ❯