1 to 25 of 28 Permanent API Design Jobs in the North of England

Architect to act as the critical bridge between our operations, our clients, our engineering team, and our wider business. You will own the technical design of new features end‐to‐end — from gathering requirements with non‐technical stakeholders, through architecting the right solution against our existing platform … also spend around 20% of your time acting as the technical face of Zippd, supporting our retail partners as they integrate into our API ecosystem. Please Note: This is a strictly 100% onsite role based in our Manchester office. 2. Core Responsibilities Technical Solution Architecture & Technical Design ...

secure, regulated environment. You’ll bring strong Azure integration expertise, take ownership of what you build, and help raise engineering standards through design input, code reviews, and collaboration. This role suits someone who cares about both engineering quality and team ways of working. You’ll spend most of your … time coding, with opportunities to contribute to design, work across teams, and mentor others, offering real technical influence while staying close to delivery. Company Overview Not just another building society. Not just another job. We're the fourth biggest building society in the UK and what makes ...

Junior C++ Developer - Manchester/Hybrid (Junior C++ Developer, C++ Developer, Software Developer, C++, Qt/QML, API Design, Agile DevOps, Low latency, C4/UML, Junior C++ Developer, C++ Developer, Software Developer) Our client is a global innovator and world leader with one of the most recognisable … Junior C++ Developers with some experience using C++ 20 or later. Any experience with the Qt framework would be helpful, as would experience in API Design (Rest, GraphQL and events), Application monitoring and high performance and low latency engineering. A DevOps mindset and any Agile knowledge would also ...

role where you will build production Blazor applications in C# and .NET, shape how users experience the product, and help raise the bar on design quality across the team. You will be a true full‐stack engineer with an eye for design, comfortable owning a feature from database … direction. Key Responsibilities Front‐End Leadership & User Experience Build and ship production Blazor applications in C# and .NET, owning the front‐end from interaction design through to deployment. Make and defend design decisions, balancing visual polish, usability, accessibility, and engineering pragmatism. Establish and evolve front‐end patterns, component ...

platforms in a secure, regulated environment.You’ll bring strong Azure integration expertise, take ownership of what you build, and help raise engineering standards through design input, code reviews, and collaboration. This role suits someone who cares about both engineering quality and team ways of working.You’ll spend most … your time coding, with opportunities to contribute to design, work across teams, and mentor others offering real technical influence while staying close to delivery.Who Are We Not just another building society. Not just another job.We're the fourth biggest building society in the UK and what makes ...

someone who thrives in a scaling environment and enjoys balancing delivery with long-term system design. Key Responsibilities Backend Architecture & Development Own the design and evolution of backend services, including architecture, coding standards, and system design Build and maintain production-grade services using modern backend technologies (e.g. … TypeScript/Node.js or equivalent backend environments Deep familiarity with AWS and cloud-native architectures (e.g. Lambda, containers, managed databases) Strong understanding of: System design and distributed systems Database design and performance optimisation API design and service architecture Experience working in product-led, agile environments ...

Senior Software Engineer – Event Fabric Purpose of the role:To design, develop and improve software, utilising various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues. Responsibilities Design, build, and evolve core enterprise platform that enables event‐driven, cell‐based architecture across … such as AWS, Terraform, CI/CD tooling, and Kubernetes. Knowledge of additional cloud platforms (Azure, GCP) is a plus. Experience with microservices and API design, with a clear understanding of service boundaries, integration contracts, and non‐functional requirements such as resilience, scalability, observability, and failure handling. Experience ...

transition of legacy systems into more flexible, web-based platforms using APIs and industry-standard practices. Technical & Architectural Skills Software architecture and system design Application modernization (legacy-to-web/platform transformation) API design and integration (REST, GraphQL, etc.) Database design and performance optimization Cloud platforms … manage the software development team (including contractors) in collaboration with the current Development Manager, fostering a collaborative and high-performing environment. Architect and design modern, scalable applications and integrations, with a focus on transitioning from legacy platforms to modern solutions. Collaborate with stakeholders and change management teams to gather ...

architecture, engineering standards and technical direction of a newly formed team. This is a hands-on senior engineering role where you'll lead the design and delivery of large-scale backend services and integrations connecting external providers into a high-volume marketplace platform. What you'll be doing Designing … building scalable backend services using Java and/or Kotlin Leading system design discussions and driving technical decisions Building integrations with third-party APIs and external platforms Developing resilient distributed systems with a strong focus on reliability and observability Collaborating with Product, Operations and Commercial teams to deliver business ...

scalable cloud-native platforms, modern web applications, APIs, and digital services that support meaningful and high-impact programmes. What Youll Be Doing Leading the design, development, and delivery of secure full-stack applications using Java, React, and modern web technologies Building scalable back-end services, APIs, and distributed systems … Java and modern front-end frameworks such as React Previous experience operating at Senior, Lead, or Principal Engineer level Strong understanding of software architecture, API design, and scalable distributed systems Experience building cloud-native applications and working within AWS, Azure, or similar cloud environments Strong knowledge of DevOps ...

Computer Applications (B.E./B.Tech or BCA) from a recognised institution; MBA preferred. Strong expertise in enterprise architecture, system integration and scalable solution design across cloud platforms (AWS, Azure, GCP), microservices, API design and DevOps practices. Hands on experience with conversational AI (Kore.AI and similar platforms), intelligent ...

Senior Applied AI Engineer (.NET) Were looking for a Senior Applied AI Engineer to design and deliver production-grade AI-powered features within a modern .NET product environment. This is a hands-on engineering role focused on applying AI in real systems not training models. Youll work with commercial … role suits someone who has already successfully integrated AI into production products and can bring proven patterns into a growing team. What Youll Do Design and build AI-powered product features within a C#/.NET ecosystem Integrate commercial AI APIs into production systems with a focus on reliability ...

working with an exciting organisation that is looking to appoint a Senior Full Stack Developer to help design and deliver secure, cloud-native applications within a modern Microsoft and Azure ecosystem. This is an excellent opportunity for an experienced full-stack engineer who thrives in structured architectural environments … maintaining unit and frontend tests (NUnit and ViTest) Contributing to CI/CD pipeline improvements and secure deployment practices Participating in architecture and technical design reviews Ensuring all development aligns with OWASP security best practices Tech Stack & Environment Core technologies: .NET 10/ASP.NET Core Angular 21 (mandatory) DevExpress ...

manual test strategies Documenting architectural decisions (ADRs) and maintaining clear technical communication Tech Stack & Experience Core technologies: .NET 10/ASP.NET Core Web API Entity Framework Core with Azure SQL .NET MAUI (offline-first mobile design) Microsoft Azure (App Services, Azure SQL, Blob Storage, Key Vault, Application Insights … They're Looking For 7+ years' commercial software development experience At least 2 years in a leadership position Strong expertise in modern .NET and API design Proven Angular experience (v15+) Hands-on Azure architecture and deployment experience Strong understanding of CI/CD and enterprise DevOps practices Experience ...

role: We're looking for an experienced Mid-Level Full Stack Developer to join our engineering team and play a significant role in the design, development, and delivery of our products. This role is ideal for someone at the upper end of mid-level, with strong commercial experience across … ready to take real ownership of their work. You will deliver features end to end with minimal supervision, contribute to technical and design decisions, and help raise standards across the team. The role combines hands-on development with a growing influence on how we build software. A key part ...

work from home 1 day a week if desired. The salary on offer is £50,000-£62,000 DOE plus good benefits. Key Responsibilities • Design, develop, and maintain scalable web applications using modern frameworks and technologies. • Integrate Twilio APIs for voice, messaging, and video communication features. • Collaborate with product … Twilio APIs (voice, SMS, video) and related integrations. • Proven ability to build and work with real-time, event-driven systems. • Solid grasp of RESTful API design and microservice architecture. • Hands-on experience with AWS serverless technologies including DynamoDB, Lambda, and API Gateway. • Familiarity with CI/ ...

evolve our stack and make constant improvements. Required Skills/Experience Strong C# development experience Experience with both .NET Core and .NET Web API Experience of building Microservices in .Net Core Experience using Message Based Architectures Experience using both SQL & NoSQL technologies Experience of API design Cloud ...

distributed video recording systems and advanced reporting/analytics applications. In this role, you will be deeply involved in hands‐on development, architectural design, and cross‐studio collaboration to advance our internal ecosystem. Key Responsibilities Design & Implementation: Architect and develop robust backend solutions to meet the fast‐paced … challenges of global game development. Technical Leadership: Contribute to the team’s software design guidelines, coding standards, and architectural blueprints. Global Collaboration: Partner and collaborate with other Rockstar technology teams across our worldwide studios. Continuous Innovation: Develop a deep understanding of existing systems while researching and adopting new technologies ...

history of technical leadership. Experience across the entire solutions development lifecycle from inception, through build to Production. Appreciate and acknowledge the impact of system design decisions on scalability, resilience, and supportability. Experience of API design and architecture patterns. Experience with Public&Private Cloud Solutions, (Google CloudPlatformand Open ...

future of technology and be at the forefront of innovation? Join our dynamic team as a Full Stack Software Engineer, where you’ll design, develop, and maintain scalable software solutions in a collaborative and creative environment. This is your chance to work with cutting-edge technology, grow your skills … solutions. Technical Skills Strong understanding of Microsoft Azure services for cloud-based development. Knowledge of web security, RESTful Web Services and RESTful architecture and API design principles. Experience with modern unit testing frameworks and methodologies. Deep knowledge of software engineering concepts such as design patterns, SOLID principles ...

Manchester (Hybrid). Sector: Insurance & Engineering. Risk Type: Permanent. Senior Architecture Role. Why This Opportunity Stands Out True Solution Architecture – You’ll own solution design from current-state assessment through to target architecture and delivery alignment. Greenfield thinking, real constraints – Apply modern architecture principles to a live, evolving estate … Lead Assess existing applications and platforms and define clear target-state architectures Build and own system and application roadmaps aligned to business priorities Design scalable, modular solution architectures including integration and NFRs Lead migration and modernisation initiatives across legacy and cloud platforms Act as the architecture point of contact ...

skilled developers. Essential skills & experience Strong technical understanding of business platforms Strong knowledge of .NET/SQL & Oracle Solid experience with enterprise integration patterns, API design, asynchronous messaging and data synchronisation Proven experience providing technical leadership across onshore and offshore teams, including line management responsibility Track record … live service Strong ability to review designs, identify risks and ensure solutions meet clear quality standards Good understanding of DevOps, CI/CD, secure design and modern delivery practices Experience working in blended delivery environments including permanent teams, contractors and System Integrators Core responsibilities Define and maintain engineering standards ...

reviews, and stand-ups ensure engineers stay connected and aligned. As a Principal Engineer, you will have a visible, strategic role in shaping system design and architecture decisions, mentoring teammates, and helping our teams deliver high-quality solutions at scale for one of the UK’s most-used digital … toolset on at least one platform (Swift, Xcode, Instruments for iOS; Kotlin, Jetpack, Android Studio for Android). Strong understanding of unit testing, RESTful API design, and a commitment to refactoring and regression test automation. Experience mentoring and coaching engineers, with a proven ability to share technical expertise ...

lead Digital Transformation Solutions in Manchester. The ideal candidate has extensive experience with software engineering and agile methodologies, along with a comprehensive understanding of API design and microservices delivery. The role requires a proven track record of technical leadership and expertise in cloud solutions such as Google Cloud ...

with Sitecore architecture content modelling and multisite configurations Experience with Sitecore headless delivery JSS Experience Edge desirable Backend C NET development ASPNET Core RESTful API design and integration patterns Sitecore Helix architecture principles Experience with Azure or other cloud hosting environments is a plus Frontend Working knowledge ...