126 to 150 of 185 Remote/Hybrid API Design Jobs

Senior Scala Engineer CGEMJP00355784

Hiring Organisation
Experis
Location
West End, London, Stratford and New Town, United Kingdom
Employment Type
Contract
Contract Rate
£590 - £637/day
Attribute Reputation services (APIs) to Digital services to provide attribute insights for fraud detection and prevention across the business. This work involves: Help design a future vision for our Att Rep services, including consolidation, to allow us to provide a consistent and easy to use experience for users. Consideration … maintenance efforts through incremental re-architecting - e.g. reducing the number of technologies that are required to support the pipeline & using managed services where appropriate. Design and develop clean functioning, testable code on the back-end, write effective APIs, develop and manage well-functioning databases and applications with security ...

IT Software Engineer Developer

Location
Wolverhampton, England, United Kingdom
contribute to technical decisions within a collaborative team. Key Responsibilities Develop and maintain web applications using Next.js/React, focusing on performance and scalability. Design and build integrations between applications, APIs, and databases, particularly using MySQL. Write clean, maintainable, well-tested code using JavaScript, TypeScript, and C#. Take ownership … features from design through to deployment and support. Participate actively in code reviews both giving and receiving constructive feedback. Support and mentor more junior members of the team where appropriate. Report to and work closely with the Lead Software Engineer to meet project goals and timelines. This ...

Senior Scala Engineer

Location
Greater London, England, United Kingdom
Front End Attribute Reputation services (APIs) to Digital services to provide attribute insights for fraud detection and prevention across client. This work involves: Help design a future vision for our Att Rep services, including consolidation, to allow us to provide a consistent and easy to use experience for users. … maintenance efforts through incremental re-architecting - eg reducing the number of technologies that are required to support the pipeline & using managed services where appropriate. Design and develop clean functioning, testable code on the Back End, write effective APIs, develop and manage well-functioning databases and applications with security ...

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 Scala Engineer CGEMJP

Location
Greater London, England, United Kingdom
results; understand the value of iterative delivery Be evidence driven Advocate for 'doing the right thing' Help others understand your work through co-participatory design, pairing, demos and documentation Make complex look and sound simple Be kind, creative and convincing How we work: We favour: Breaking down a high … improvements for the greater good of CIP Working cross-discipline rather than adhering to tightly defined roles. Knowledge & experience Security clearance (SC-level) API design Data analysis Databases AWS suite experience Awareness of Site Reliability Engineering and support Skilled at returning services to good states in outage situationsUnderstands ...

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 ...

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. ...

Senior Full-Stack Engineer, North Tools & Retrieval

Hiring Organisation
Cohere
Location
London, UK
Employment Type
Full-time
senior generalist who can move freely across backend and frontend as the roadmap demands. You will pick up any layer of a feature, from API design and database schema to the frontend that sits on top of it, and own it end-to-end. In this role … will: Design, build, ship, and maintain features across the full stack for our roadmap surfaces: large-scale file upload and management, shared knowledge bases, the agent extensibility framework (skills and integrations), and the pipeline that syncs external enterprise data into the platform. Own features end-to-end, from technical ...

AWS Development Team Leader

Location
Swindon, England, United Kingdom
minimum you’ll have: Development experience ideally in Python and/or Node.js Experience with AWS including AWS Connect, Lambda, S3 and DynamoDB REST API design and integration experience aligning to industry standards Experience working in agile, DevOps-driven teams Experience leading code reviews, design discussions ...

Mid-level Backend Engineer

Location
Greater London, England, United Kingdom
regulatory burdens. We serve Tier 1 banks across Europe, North America, and Asia. We are looking for a Mid‐level Backend Engineer to help design, build, and scale our regulatory reporting platform. You’ll own features end‐to‐end — collaborating directly with product to shape requirements, and with … week. Some travel may be required. Suade is an equal opportunity employer. All qualified applicants will receive consideration for employment without bias. Responsibilities Design, build, and ship features independently, from technical design through deployment Maintain and lead the improvement of existing features within the application Write efficient, well ...

Engineering Team Lead - 12 month FTC

Location
Greater London, England, United Kingdom
than on a purely backend squad. Strong commercial C#/.NET experience, with a solid grasp of SOLID, event‐driven architecture and DDD RESTful API design and SQL skills Cloud‐native Azure development Enough frontend fluency to review React/TypeScript work, even if you're not hands ...

Staff Software Engineer (Provenance)

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 ...

Hybrid Senior Backend Engineer - Golang & AWS Serverless

Location
Metropolitan Borough of Solihull, England, United Kingdom
Inside Job is seeking a Senior Backend Software Engineer to help build the technology that supports Gymshark's global growth. You will design and deliver scalable back-end services using Golang and AWS serverless patterns, collaborating with Product, Data, Operations and Platform teams. You will own API design ...

Technical Architect

Location
Manchester, England, United Kingdom
tenant architecture. This is a strategic, hands-on architecture role where you'll work closely with engineering leadership to define technical standards, shape platform design and drive the adoption of modern cloud and AI technologies. What you'll do as Technical Architect: Own the platform architecture and technical roadmap … leading the transition to a scalable multi-tenant SaaS platform. Act as the technical design authority, guiding architectural decisions across APIs, integrations, data platforms and cloud services. Define modern solutions across event-driven architecture, AI, orchestration and API strategy, balancing technical excellence with commercial considerations. What ...

IAM Product Engineer

Location
Greater London, England, United Kingdom
stability. Your responsibilities will be varied and impactful, offering a dynamic and challenging work environment. A fundamental aspect of this position is the design and construction of robust, scalable, and high-performing code. You will be instrumental in building the platform that opens the door to all our current … experience. You are a collaborative Software Engineer with proven professional experience in Javascript/Typescript , React , and Node.JS , you possess a strong understanding of API design , consumption, and client-side logic. You are proficient in writing unit and integration tests and have experience with NoSQL databases like Mongo ...

Senior Fullstack Engineer, Scale

Hiring Organisation
Airwallex
Location
London, UK
Employment Type
Full-time
regulatory, and technical domains—areas where no single existing team has full coverage, like tax systems, compliance-driven flows, or monetization tools. Solutions Architecture: Design integrations for enterprise prospects by translating their business requirements into technical solutions. Your architectural decisions directly influence deal outcomes—from enabling multi-million dollar … technical stakeholdersMake pragmatic decisions on when to optimize for performance vs. velocity based on business impactThrive in cross-functional environments spanning Product, Design, Compliance, and SalesDesign for scale, maintainability, and production excellencePreferred qualifications: Fintech, payments, or regulated industry experienceHigh-scale performance tuning (100k+ QPS, large user bases, strict latency ...

Salesforce Architect

Hiring Organisation
Heathrow Airport Holdings
Location
London, UK
Employment Type
Full-time
Cloud and Order Management capabilities to support Heathrow's retail and service operations. You will define technical standards, ensure best practices, and guide the design of integrated solutions that enhance customer experience and operational efficiency. Success in this role means delivering secure, scalable, and high-performing platforms that enable … with expertise in Commerce Cloud and Order Management. Strong understanding of Salesforce platform architecture, integration patterns, and security best practices. Hands-on experience with API design, data modelling, and system integrations. Excellent stakeholder management and communication skills. Ability to lead technical discussions and influence decision-making at senior ...

Full-Stack Developer (React)

Hiring Organisation
Vaco LLC
Location
Concord, California, United States
Employment Type
Permanent
Salary
USD 70 Hourly
with Stripe and OnRamp Contribute to the migration from Angular to React Participate in claims processing and onboarding system development Collaborate closely with product, design, and a small engineering team to deploy features end-to-end What We're Looking For Required 5+ years of professional full-stack development … React Payment Technologies Back-end skills in Node.js or a comparable server-side language AWS experience, comfortable with services such as Lambda, ECS, S3, API Gateway, or similar cloud-native building blocks MongoDB or comparable NoSQL database experience Familiarity with AI-assisted development tooling Strong RESTful API design ...

AI Engineer

Location
Newcastle upon Tyne, England, United Kingdom
templates, and agentic workflows, and wire them into application logic that connects with the department's legacy and multi-cloud systems. Prompt Engineering & Evaluation Design, test, and iterate on prompts and retrieval strategies; run structured evaluations to track answer quality, retrieval accuracy, and hallucination rate over time. Responsible … build can be understood and maintained by internal government engineers. Required Skills & Experience Practical experience building applications using LLMs or other foundation models, via API or self-hosted Experience with RAG architectures, vector databases, and embedding-based retrieval Solid general-purpose programming (commonly Python) and API design ...

Senior Software Engineer, Non-Realtime Controllers

Location
Oxford, England, United Kingdom
with support for the teams and scientists who depend on them. Key responsibilities include: Own a group of device controllers end to end, covering API design, implementation, rollout and ongoing operational health. Make services robust against the ways real instruments fail. Bring devices onto our current framework ...

Senior Java Backend Engineer — Microservices & Kafka

Location
Glasgow, Scotland, United Kingdom
GlobalLogic, a Hitachi Group Company, is seeking a Backend Engineer to design and build robust microservices using Java 17+ and Spring Boot 3. You will work across the full backend stack, from API design through production-grade integration testing, with a focus on event-driven patterns using … Kafka. The role involves applying domain-driven design, using MapStruct and Feign for service communication, and managing builds with Gradle. Hybrid work from Glasgow 2 days per week is supported. #J-18808-Ljbffr ...

Contract Senior .Net Software Engineer

Hiring Organisation
C4S Search Ltd
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
focused on building a new platform that sits above its existing search technology stack. The project will involve creating a lightweight abstraction layer and API architecture that simplifies the user experience, whilst providing a foundation for future search platform evolution. This is an opportunity to work on a greenfield … quality solutions. Key responsibilities include: Designing and developing .NET Core services and APIs Building abstraction layers between front-end applications and search technologies Developing API services Working with Azure cloud services Designing and maintaining SQL databases Collaborating with senior stakeholders and engineers to refine requirements Contributing to architecture ...

Backend Engineer - Scalable Pricing & AI

Location
United Kingdom
Expedia Group is seeking a Software Development Engineer II (Backend) to design, develop, and maintain high-throughput pricing services. You will implement caching, contribute to API design and data modeling for scalable microservices, and collaborate with cross-functional teams. Required are 2+ years of backend experience with ...