126 to 150 of 197 Remote/Hybrid API Design Jobs

Senior Product Security Engineer

Location
Cambridge, England, United Kingdom
them at scale. You will work on tool integration, results processing, and the services that make analysis outputs usable by engineering teams. Key Responsibilities Design, build, and maintain core backend services for centralised security analysis and data processing. Develop Python services, APIs, and workflow components that support tool onboarding … comfortable in scripting (e.g. bash). Proven experience designing, building, and operating backend services or internal platforms in production environments. Strong understanding of API design, service-to-service integration, and backend architecture. Experience working in cloud environments, ideally AWS. Experience with containers and related tooling, for example Docker. ...

Senior Scala Engineer CGEMJP

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 590 - 637 Daily
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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

Lead Forward Deployed Engineer

Location
Greater London, England, United Kingdom
Computer Science, Mathematics, Software Engineering, Physics, and Data Science. You write and review production-grade Python and SQL, and have strong command of REST API design and integrations. You excel at breaking down complex problems and making quick, well-informed decisions even under pressure. You build strong relationships ...

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 ...

Senior Java Backend Engineer - Hybrid, Microservices & Kafka

Location
Glasgow, Scotland, United Kingdom
GlobalLogic 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 production-grade testing, with a strong emphasis on integration tests and service collaboration. … role focuses on designing RESTful APIs, event-driven architectures with Kafka, and applying domain-driven design principles. #J-18808-Ljbffr ...

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 ...

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 ...

Applied Value Engineer

Hiring Organisation
Celonis
Location
London, UK
Employment Type
Full-time
finance). Ability to speak the language of business leaders and connect operational bottlenecks to strategic AI solutions. Software/Data Engineering: Python proficiency, API design, SQL, data integration, and ML/AI libraries (PyTorch, TensorFlow, scikit-learn, XGBoost, Hugging Face Transformers).Agentic AI Systems: Hands-on experience … Earth Is Our Future—drive every decision. About Us: Celonis is the trusted platform to industrialize Enterprise AI, empowering organizations to analyze, design, and operate AI-driven processes. The Celonis Platform is powered by the Celonis Context Model, which combines process data, business knowledge, and intelligence to create ...

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 Frontend & Fullstack UI Engineer (Hybrid, London)

Location
Greater London, England, United Kingdom
Software Engineer with senior-level expertise to architect and implement scalable, secure frontend and fullstack platforms. You will lead architecture decisions, drive design system adherence, and mentor teams across the software delivery lifecycle. The role focuses on modern frontend tech such as React/TypeScript, API design ...

Web Developer

Location
Greater London, England, United Kingdom
technologies, ideally React/Redux and Typescript A solid understanding of real-time messaging on the Web, including low level protocol and API design Exposure to the following would be advantageous: RxJS, Webpack, Storybook & Websockets Knowledge of Java would be beneficial but is not a necessity Passion … Interaction design Strong communication skills Relevant academic qualifications, including a college degree in computer science or equivalent Some knowledge and experience within the financial industry #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 ...