13 of 13 Remote/Hybrid API Development Jobs in London

Java Developer - Java Frameworks, SC Cleared

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Croydon, London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £475/day
Cleared Java Developer to support the delivery of modern, cloud-based applications within an AWS environment. The role will involve backend development, API delivery, and contributing to greenfield microservices-based solutions. Hybrid working is required, with on-site presence in Croydon . Key Skills (Essential) Strong Java development experience Spring Boot SQL and report writing Experience working in AWS environments EBSA experience API development and microservices architecture Experience with CI/CD pipelines Containerisation using Docker and/or Kubernetes Experience delivering greenfield development projects Active SC Clearance Desirable Skills React Next.js Experience working ...

AI Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £475 per day
with GenAI, Gemini or Open source LLMs, Train, finetune and Onboard new LLMs Experience in building GenAI applications using Python Hands-on Experience with API Development and Microservices architecture and End to End integrations Knowledge of RAG (Retrieval-Augmented Generation) and ADK, MCP Solid understanding of LLMs, prompt … engineering, and graph-based workflows Hands-on Experience with API Development and Microservices architecture Experience in CI/CD pipelines, and containerization (Docker/Kubernetes), Harness and Git actions Practical experience implementing LLM and GenAI solutions, including prompt engineering, model fine tuning, RAG pipelines, embeddings, and vector databases ...

Head of Engineering

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
remains unfazed by shifting priorities. Above all, you’re a mature, intrinsically motivated technology leader who loves data. Our daily work spans building API integrations, maintaining robotic data-extraction processes, writing OCR engines, and refactoring data pipelines. At the same time, we’re beginning to invest in AI (agentic … documentation to support internal alignment and external needs (e.g. RFPs, due diligence). People & Culture : Provide career leadership: conduct regular 1:1s, support professional development, and align individual goals with Kyckr’s mission. Talent Acquisition : Recruit top engineering talent: screening, running technical and culture-fit interviews, and ensuring smooth ...

Senior Software Engineer

Hiring Organisation
Digital Waffle
Location
London Area, United Kingdom
SaaS business is hiring a Senior Back End Engineer to help build and evolve its platform, with a strong focus on modern AI-assisted development workflows. This is a hands-on role suited to someone who is already leveraging AI engineering tools day to day to improve speed, quality … across a modern TS/JS stack Working alongside legacy PHP systems, helping evolve and modernise the platform Using AI engineering tools to accelerate development, debugging and delivery Designing scalable services and clean system boundaries Integrating third-party APIs including AI, analytics and external services Collaborating closely with product ...

Backend .Net Engineer

Hiring Organisation
Core Consulting Information Technology
Location
City of London, London, United Kingdom
ensure high system reliability Contribute to reusable components and best practices 🎯 Key Skills & Experience Strong experience with .NET & C# (ideally .NET 6–8+) API development and microservices architecture knowledge Experience with SQL Server and/or NoSQL (e.g., Cosmos DB) Exposure to cloud platforms (Azure/AWS/… Familiarity with third-party API integrations Understanding of Microsoft ecosystem (Graph API/M365 is a plus) Problem-solving mindset and attention to detail 🌟 What’s on Offer Competitive market-rate salary Flexible working (hybrid/remote options) Pension scheme Ongoing learning & development opportunities Clear career progression ...

Engineering Manager - Software & ML

Hiring Organisation
Capital One UK
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
London, London Engineering Manager - Software & ML About this role We are looking for a Software Engineering Manager who brings a solid foundation in modern development and some experience with Machine Learning environments . You'll lead and grow a team that builds the core software powering our data-driven … Collaborate with Product Managers and Data Scientists to ensure ML models are effectively integrated into our production software. Build Robust Systems: Oversee the development of platforms that are performant, secure, and capable of handling the unique deployment needs of AI-powered features. Optimize Delivery: Enhance engineering and agile processes ...

Python Developer Backend (AI) - remote

Hiring Organisation
Initialize Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£60,000
excellent opportunity to join this innovative and fast-growing AI tech. organisation! Skills/experience 2+ years solid commercial Python coding experience (backend, API development would be great). Good understanding of Docker, Kubernetes, and scalable distributed systems . An Agile mindset and Experience working in agile teams ...

Data Scientist

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £400 to £450 per day
Bias etc. Implemented security best practices, Experience to address spikes and Denial of wallet attacks, DDoS attack and other Spike arrest strategies Knowledge of API Gateways and ISTIO, ability to Diagnose and intercept failures in End to End communication Hands-on Experience with API Development and Microservices ...

Full Stack Engineer - Equity

Hiring Organisation
Dental startup
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
right person to build it properly. The Role You'll be the first technical hire. You'll own the full stack database architecture, API layer, and front-end, and you'll work directly with the founder on every major decision. Short feedback loops, real autonomy, no committees. This … greenfield build. You won't be maintaining anyone else's code. Key Responsibilities Architect and build the core platform from scratch schema, API, and front-end Build multi-organisation, multi-location management with role-based access and isolated data per org Build intelligent auto-assignment logic and document generation ...

Python Developer Backend (AI) - remote

Hiring Organisation
Initialize Ltd
Location
London, UK
Employment Type
Full-time
Remote - UK - excellent opportunity to join this innovative and fast-growing AI tech. organisation! Skills/experience 2+ years solid commercialPythoncoding experience (backend, API development would be great). Good understanding ofDocker, Kubernetes, and scalable distributed systems. xxuwjjq An Agile mindset and Experience working in agile teams, usingGithubfor ...

Python Developer Backend (AI) - remote

Hiring Organisation
Initialize Ltd
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 60,000 Annual
excellent opportunity to join this innovative and fast-growing AI tech. organisation! Skills/experience 2+ years solid commercial Python coding experience (backend, API development would be great). Good understanding of Docker, Kubernetes, and scalable distributed systems click apply for full job details ...

Contract .Net Developer – Insurance claims system

Hiring Organisation
hireful
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £400/day £400 per day outside IR35
rate: £400 per day outside IR35 Duration: initial 5 month We’re looking for a proactive, self-sufficient developer with strong experience in .NET, API development, microservices architecture, and database integration. Experience working within complex integration environments and regulated industries such as insurance is highly desirable. ...

Lead Azure Platform Engineer

Hiring Organisation
Opus Recruitment Solutions
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £625/day InsideIR35
Lead Azure Platform Engineer - API Platform (APIM/Apigee) | £600- £625 InsideIR35 | 6 month initial | Fully Remote The role is to take ownership and lead the design, development, and maintenance of the API Platform along with conducting reviews of API designs to ensure they align with … standards and governance requirements of the platform. · Collaborate with cross-functional teams to define API requirements. · Ensure the platform is scalable, secure, and performs to meet the current and future needs. · Set technical standards and best practices for API development. Key requirements: - Work with delivery leads and product ...