101 to 125 of 173 Remote/Hybrid API Design Jobs

Senior Software Engineer

Hiring Organisation
ECM Selection (Holdings) Limited
Location
Cambridge, Cambridgeshire, United Kingdom
Employment Type
Permanent
company offers highly competitive remuneration, an excellent benefits package and work-life balance including hybrid work. The core requirements: • A senior software engineer’s design and coding ability and track record, judgement, mentoring and review skills. • Strong commercial-grade C# software development with awareness of modern .NET … language, and establish good patterns and factoring. • Microservice development experience – with good service factoring to reduce bloat, increase independence and separate concerns – and RESTful API design and development. • Strong communication skills to liaise with colleagues in other product teams. • A good technical degree from a top university, backed ...

Full Stack Developer

Location
Manchester, England, United Kingdom
Node.js REST APIs. Write TypeScript across the stack, working within a strict typing culture that leans on the compiler to catch mistakes early. Design and implement REST endpoints following the team’s established API conventions. Work with real-time features as part of the platform’s live-update … hooks and renderingbehaviour, not just general familiarity with acomponentframework. Experience building REST APIs on Node.js. Nice tohave: exposure to schema-first or contract-first API design — Express withOpenAPIor equivalent. Nice tohave: comfort with runtime type validation at trust boundaries — Zod, Yup, or similar. Nice tohave: experience writing unit ...

Full Stack Developer

Location
Belfast City District, Northern Ireland, United Kingdom
Node.js REST APIs. Write TypeScript across the stack, working within a strict typing culture that leans on the compiler to catch mistakes early. Design and implement REST endpoints following the team’s established API conventions. Work with real-time features as part of the platform’s live-update … hooks and renderingbehaviour, not just general familiarity with acomponentframework. Experience building REST APIs on Node.js. Nice tohave: exposure to schema-first or contract-first API design — Express withOpenAPIor equivalent. Nice tohave: comfort with runtime type validation at trust boundaries — Zod, Yup, or similar. Nice tohave: experience writing unit ...

Engineer III FBG

Location
United Kingdom
fully remote role with offices located in Dublin. Responsibilities Own and evolve the backend architecture that powers fraud detection and responsible gaming features. Design and implement distributed systems in Java and Spring Boot, building scalable services and APIs for real‐time risk evaluation, transaction monitoring and behavioural analysis. Collaborate … Lead large‐scale technical initiatives such as modernization of fraud detection services, identity platform evolution or real‐time customer protection pipelines. Establish backend and API best practices, emphasizing security, observability, reliability and compliance. Mentor and develop engineers, fostering a culture of technical excellence, accountability and continuous learning. Partner with ...

Mid-Level Data Engineer (Python/ AWS)

Location
Belfast, Northern Ireland, United Kingdom
cloud-based data platform. This is a hands-on role focused on designing, building, and improving data pipelines and services, while also contributing to API design and occasional frontend work where needed. You’ll work across the stack, primarily in Python and AWS, helping to deliver reliable, well … data through APIs, and supporting a platform that removes bottlenecks and enables better use of data across the organisation. What You’ll Be Doing Design, build, and maintain ETL/ELT pipelines in production environments Develop ingestion and egress patterns to support reliable data access and integration Work with ...

Staff Software Engineer: Provenance & Supply Chain Platform

Location
United Kingdom
/CD approach, deploying multiple times per day, and we support a global set of customers who are engineers like us. Key Responsibilities Build: Design, implement, and ship the provenance ingestion service — capable of accepting provenance and attestation payloads from CI/CD systems, public registries, signed bundles … designing pipelines that handle varied, schema-evolving, high-volume payloads reliably and at scale — including robust error handling and observability. Data Modelling: Ability to design storage schemas that efficiently represent signed metadata envelopes, artefact graphs, and queryable relationships. API Design: Experience building and versioning APIs consumed ...

Principal Technologist, Core AI Services

Location
Cambridge, England, United Kingdom
Time (Hybrid) We are looking for a hands-on Principal Engineer to join our Core AI Services team. In this role, you will help design, develop, and scale AI-enabling platform services and public APIs that are secure, reliable, and cloud-native. These services will act as foundational building … patterns and practices, eager to translate emerging tech into reliable, enterprise-ready software. Key Responsibilities: Serve as the technical authority for core services owning design, reliability and performance. Build scalable, fault-tolerant cloud-native services on Microsoft Azure, ensuring high performance and reliability. Develop secure, well-documented public APIs ...

Application Architect London ·

Location
Greater London, England, United Kingdom
architecture of key strategic initiatives across Fourth. Working as an embedded member of delivery teams, you will provide hands-on architectural leadership, helping engineers design, build and evolve scalable, maintainable and resilient software solutions. You will apply Fourth's application architecture standards, patterns and engineering principles, while contributing … practical delivery experience. Produce architectural designs, decision records, and technical documentation that clearly communicate solution intent and support long-term maintainability. Participate in architecture, design, and code reviews, providing constructive feedback and helping ensure consistency with established architectural principles. Collaborate with business, product, engineering, and fellow architects to understand ...

Senior Software Engineering Manager (Active Savings)

Location
Bristol, England, United Kingdom
Strong engineering background with the ability to communicate architectural decisions to both technical and non-technical stakeholders. You create guardrails based on scope, technical design, NFRs, and quality—then empower your team to innovate within them. Client- and product-focused mindset, with experience partnering closely with Product Managers … business teams. You embrace ambiguity, foster collaboration, and promote psychological safety to help teams navigate change. Hands-on knowledge of secure API design, authentication services, and mobile development (Swift/Kotlin, React Native). Knowledge and experience of modern DevOps tools and practices. Exposure to Figma and Vercel ...

Senior Software Engineer

Location
Urmston, England, United Kingdom
enabled capabilities that drive innovation and productivity improvements.Collaborate with architects, engineers, business stakeholders, and delivery teams to achieve successful outcomes.Participate in solution design discussions, ensuring long-term scalability, maintainability, and resilience.Maintain high engineering standards through testing, peer reviews, continuous improvement, and knowledge sharing.Investigate and resolve complex technical challenges while … full-stack application development within enterprise environments.Proficiency in C#, .NET, and modern front-end development.Experience designing, developing, and supporting scalable web applications.Strong understanding of API design, systems integration, and distributed application architectures.Expertise in relational database design, data modelling, performance optimisation, and data management.Experience working throughout the software ...

Software Engineer

Location
United Kingdom
permanent role with a fully remote working arrangement, with travel as required. The Role As a Software Engineer on our TermTime platform, you will design, develop, and maintain our timetabling and scheduling solutions. You will also be involved in reimagining and redeveloping this product to create a new, innovative … practices for creating secure, efficient, and high-quality code. Experience working within agile methodologies. It Would Be Great If You Had Understanding of database design for building efficient applications. Experience with API design and third-party system integrations. Experience with containerized applications. Exposure to deploying code ...

Java Backend Engineer | Spring Boot, Microservices, Kafka

Location
Glasgow, Scotland, United Kingdom
GlobalLogic in Scotland is seeking an experienced Backend Engineer to design and build robust microservices using Java 17+ and Spring Boot 3. You’ll work across the full backend stack—from API design through production-grade integration testing—delivering scalable services. You will design, implement … test REST APIs, apply domain-driven design, and work with Kafka, Gradle, MapStruct and Feign to deliver resilient services in a hybrid work environment. #J-18808-Ljbffr ...

Principal Software Developer

Location
Cambridge, England, United Kingdom
vendor offerings and appropriate architectures and patterns for those offerings. A deep understanding of cloud-compatible architectures (such as microservices and SoA), RESTful API design considerations, and ideally, a good awareness of security and authentication considerations (OAuth is relevant). A strong academic track record including a good … addition to tailored package elements. Keywords: Principal engineer, principal software developer, C#, .NET, cloud, Azure, AWS, cloud native, containers, microservice, service-oriented, REST, API, intelligence, security, authentication, OAuth, sustainability, Cambridge, hybrid. #J-18808-Ljbffr ...

Senior Full Stack Engineer

Location
Greater London, England, United Kingdom
interfaces used to plan and manage operations, review missions and work with the data captured in flight. You'll be solving problems such as: Design, build and ship full stack features in React and FastAPI, owning them from problem statement through to production and the feedback that comes back … experience and a track record of building high-quality production software. You'll bring: Strong React and modern TypeScript Strong Python , ideally FastAPI Good API design and relational data modelling Experience with asynchronous systems Experience with cloud infrastructure, containers, CI/CD and monitoring Experience building systems that ...

Senior Full Stack Engineer AI, AIML - London, UK

Location
Greater London, England, United Kingdom
work at home 100% of the time.Your Role:Senior full stack engineering capability with a strong frontend foundationReactJS and TypeScriptStrong backend engineering mindset API design integration performance securityAIML engineering skills building and integrating AI driven features into products ideally with practical experience using modern model toolingDevOps capability … countries. We deliver end-to-end services and solutions with our deep industry expertise and strong partner ecosystem, leveraging our capabilities across strategy, technology, design, engineering and business operations. The Group reported 2025 global revenues of €22.5 billion.Make it real | www.capgemini.com #J-18808-Ljbffr ...

Head of Engineering

Location
United Kingdom
Proven experience managing highly available, business-critical platforms where reliability, data integrity and security are essential. Strong technical expertise across backend and frontend development, API design, relational databases and data modelling. Hands‐on experience with cloud infrastructure, containerisation, CI/CD pipelines and infrastructure as code. Experience implementing ...

Senior Full Stack Engineer

Hiring Organisation
Dignity Funerals Limited
Location
Maidenhead, Berkshire, South East, United Kingdom
Employment Type
Permanent
Salary
£90,000
will bring expertise in full stack development using JavaScript or TypeScript, Node.js, and React or Angular , together with strong knowledge of systems architecture, API design and databases. You will also understand the importance of observability, monitoring, testing, performance, security, accessibility and modern DevOps practices. You are comfortable working ...

Platform Engineer: Golang & iOS SDKs – Hybrid 12m Contract

Location
West of England, England, United Kingdom
site). The role focuses on building backend services in Go, iOS SDKs in Swift, and cloud-native platforms on Kubernetes. You will design REST/gRPC APIs, develop microservices, and automate CI/CD pipelines. Applicants should have strong experience with Go, Swift, Kubernetes, and modern API … design, plus familiarity with cloud tooling and observability. #J-18808-Ljbffr ...

Remote Full Stack Software Engineer (Senior, Python / Rust / Go & React, Insurance)

Location
United Kingdom
Strong in a semi‐mainstream programming language (e.g. Python, Typescript, Rust, Go, etc) Proficient with frontend/GUI framework Good understanding of data processing, API design/integration, and system architecture Comfortable adopting new tools and technologies as needed — adaptability is more important than narrow specialisation security/… software for business critical, web‐based applications Build eye‐catching, functional, efficient, and reusable web and mobile‐based sites that drive these web applications Design, build, test, document and maintain APIs and integrations Ensure quality control using industry standard techniques such as automated testing, pairing, and code review Work ...

Senior Java Backend Engineer: Microservices & Kafka Hybrid

Location
Glasgow, Scotland, United Kingdom
GlobalLogic in United Kingdom is seeking an experienced Backend Engineer to design and build robust, scalable microservices using Java 17+ and Spring Boot 3. You will work across the full backend stack — from API design through to production‐grade integration testing — using modern Java and Spring technologies. … will design REST APIs, implement event-driven solutions with Kafka, and collaborate with cross-functional teams. #J-18808-Ljbffr ...

Senior PHP Developer Manchester / Hybrid £70,000 - £80,000

Location
Manchester, England, United Kingdom
media and digital partners. They’re looking for a Senior PHP Developer to join their Manchester team and help build and scale their API platform. What you’ll be doing Building and maintaining RESTful APIs Writing clean, testable PHP code Managing integrations with third party providers and partners Improving … across the platform Reviewing code and supporting other developers What you’ll bring Senior level commercial experience with PHP 8 Laravel or Symfony Strong API design and integration experience MySQL or PostgreSQL Automated testing, Docker and CI/CD AWS or similar cloud experience Nice to have Redis ...

Software Engineer

Location
Derry/Londonderry, Northern Ireland, United Kingdom
sales colleagues to understand what we are building and why. What you’ll do Ship features end-to-end using AI agents, from design through to production. Take ownership of components and projects without needing constant direction. Contribute to code reviews and architectural discussions. Maintain and improve the engineering … more senior responsibilities as you develop and the team expands. What we need from you Strong technical fundamentals. Comfortable across front-end, back-end API design, and database work. Can understand and create production quality experiences with technical and customer minded care. Ability to work independently. ...

Software Engineer

Location
Derry and Strabane District, Northern Ireland, United Kingdom
sales colleagues to understand what we are building and why. What you will do Ship features end-to-end using AI agents, from design through to production. Take ownership of components and projects without needing constant direction. Contribute to code reviews and architectural discussions. Maintain and improve the engineering … more senior responsibilities as you develop and the team expands. What we need from you Strong technical fundamentals. Comfortable across front-end, back-end API design, and database work. Can understand and create production quality experiences with technical and customer minded care. Ability to work independently. ...

Full Stack Engineer — React & Node

Location
United Kingdom
TypeScript web applications for SME customers and internal operations teams• Develop Node.js backend services and REST APIs consumed by web and mobile clients• Design PostgreSQL database schemas and write efficient queries for financial transaction data• Build and deploy services on Azure: Container Apps, Functions, API Management and Azure … 4+ years of full stack engineering experience• Strong React and TypeScript skills — you have built complex, stateful UIs in production• Node.js backend experience: REST API design, middleware, authentication and database integration• PostgreSQL proficiency and understanding of relational data modelling• Azure deployment experience: Container Apps, Functions or App Service ...

Software Engineer (GenAI)

Location
Manchester, England, United Kingdom
curious Software Engineer with strong Python development skills and a genuine interest in Generative AI and large language models. You’ll help us design, build and deliver production-grade GenAI solutions across the business, working with modern LLMs, AI platforms and emerging agentic technologies. We’re looking for someone … experience of Python, its libraries and tooling Experience working with industry-leading large language models, particularly OpenAI and Anthropic Solid understanding of RESTful API design and implementation Experience with Git-based source control and modern software engineering practices Experience in AI-assisted development, using tools such as GitHub ...