279 end java developer jobs in London, United Kingdom.

Showing vacancies

Machine Medicine Technologies

Software Engineer - Backend Developer

6 days ago

On-site
Full-time

IT
Backend

... reliability, security, and scalability of our systems that power AI-driven clinical research and digital health innovation. Role overview We are looking for a Backend Developer (to work with our Platform Lead) on a healthcare SaaS platform handling sensitive clinical data and ePHI. This is a hands-on startup role covering backend ...

London, United Kingdom

ETEAM WORKFORCE LIMITED

Senior Snowflake Developer

6 days ago

Contract

£537 GBP

Company: ETEAM WORKFORCE LIMITED Job Type: Contract Salary: £537.00 - £537.00 []

London, United Kingdom

Avacone

ServiceNow Developer - Professional Level

7 days ago

Full-time

... work with architects, product owners, and business stakeholders to translate requirements into reliable, secure, and maintainable solutions. This role suits a developer with practical ServiceNow experience who can deliver defined technical tasks independently and collaborate on more complex implementations. Key Responsibilities ...

London, United Kingdom

Kurt Geiger

E-Learning Developer & Community Executive - Business by Design Academy

8 days ago

Full-time

... responsive digital experiences. - Use digital tools and technologies to enhance learner engagement and the platform's value proposition. - Work with HTML, CSS and JavaScript where required to support customised digital learning experiences and platform solutions. - Support responsive and mobile-friendly content development. ...

London, United Kingdom

bloomon

Head of Developer Experience (DevEx)

8 days ago

Remote
Full-time

... Remote (Europe) ️ Tech Stack: Ruby on Rails, Python/React, PostgreSQL, AWS (ECS Fargate), GCP (Cloud Run), GitHub Actions, Terraform Cloud Focus: Internal Developer Platform · AI-Native Engineering Transformation · Engineering Quality & Reliability About Tech at Bloom & Wild Group We're Europe's largest direct-to-consumer ...

London, United Kingdom

Hays Technology

Application Developer - Microsoft Dynamics 365 Finance

8 days ago

Remote
Hybrid
On-site
Contract

£400 per day

Salary: £? - ?

London, United Kingdom

Xelix

Python Software Developer - Backend

9 days ago

Hybrid
On-site
Full-time

£60k - £80k per annum

... future of Xelix. If you’re excited about building something special with us, we’d love to hear from you. About the role We're seeking Mid and Senior Python Developers to join our back-end development team. This is a varied and challenging programming role. Tasks could include writing code to manage incoming data, working ...

London, United Kingdom

EMBS Engineering

Senior Python AI Developer

9 days ago

Hybrid
On-site
Full-time
Contract

£40k - £60k per annum

Salary: £40,000 - 60,000 per year Requirements: - Strong Python backend development skills and experience with FastAPI - Practical experience developing Generative AI applications, including Agentic AI and LLM-powered solutions - Experience with RAG architectures, prompt orchestration and vector search - AWS cloud engineering ...

London, United Kingdom

Validus Risk Management

Python Developer

9 days ago

Full-time

IT
Backend

... concurrent CST initiatives, ensuring timely execution with clear stakeholder communication and transparency. - Design and implement full stack solutions (backend services, APIs, data pipelines, and frontend components) aligned with Horizon architecture and best practices. - Develop and maintain ETL processes (data ingestion, ...

London, United Kingdom

Qube Research & Technologies

Quantitative Developer - Commodities (Python)

9 days ago

... frameworks such as Slurm and Ray is beneficial - Experience developing statistical or machine learning models is advantageous - Previous experience mentoring junior developers or interns is beneficial QRT is an equal opportunity employer. We welcome diversity as essential to our success. QRT empowers employees to work openly and ...

London, United Kingdom

Quant Capital

Python Developer Quant Trading

9 days ago

Backend

Python C# Developer Quant Trading Quant Capital is urgently looking for a Python C# Developer to work for our high profile Hedge Fund Our client is a well known global hedge fund running Marco, Systematic and HDT strategies. I am looking for a resourceful Quantitative Developer to take ownership of the IT architecture and ...

London, United Kingdom

Haystack

Python Developer

9 days ago

Full-time

Backend

£200k per annum

... a bonus, not a requirement. What's On Offer - Up to £200k base + bonus, with a generous benefits package. - Flexibility with working from home. - Flat management and a friendly culture where ideas are welcomed. Apply via Haystack today! [{"name": "full_time", "text": "Full-time", "categoryName": "Type of employment"}]

London, United Kingdom

Hexwired Recruitment Limited

Quantitative Developer

9 days ago

Remote
Hybrid
On-site
Full-time

£30k - £60k per annum

... decision-making models - Work with our Quant and Technology teams to turn research into production-ready trading strategies Technologies: - CI/CD - Docker - Git - Java - Python - Quant - SQL - C# - C++ - Embedded - FPGA - Golang - JavaScript - Linux - Machine Learning More: We are a leading global financial technology firm specialising ...

London, United Kingdom

Mercor

Software Developer - AI Projects

9 days ago

Remote
Full-time
Contract

$50 - $60 per hour

... - MacBook or Mac with an Apple M-series chip or Intel processor , running macOS 15 or higher. - Hands-on experience with programming languages like Python , JavaScript/TypeScript , Swift , Java , Go . - Comfortable with developer tools on macOS such as VS Code , Xcode , Terminal , Git . - Currently pursuing or recently ...

London, United Kingdom

IntelStack

Manager - Principal Consultant, iOS Developer

9 days ago

Mobile

Seeking an experienced iOS Developer to build secure, high-performance native mobile applications in Swift and SwiftUI. The role covers the full app lifecycle, from architecture and UI to authentication, testing and App Store releases. Inviting applications for the role of Manager - Principal Consultant, iOS Developer At ...

London, United Kingdom

Quant Capital

JavaScript Node.JS Developer Blockchain

9 days ago

Backend

JavaScript https://jobeax.com/link/JSd7UYCSg572jJDY Developer Blockchain Quant Capital is urgently looking for the best in the market of Javascript Development to join our high profile client. Our client prefers to give very few details about themselves but they are a small London based firm who believe that by taking the ...

London, United Kingdom

Baltimore Consulting Group

SQL Developer

10 days ago

Hybrid
Contract

£450 per day

SQL Developer 4 Month Contract | ASAP Start £450 per day Outside IR35 Hybrid Working CVs are being reviewed immediately and interviews will be taking place shortly, with a view to starting as soon as possible. Are you an experienced SQL Developer with specialist NEC Housing reporting expertise? This is a fantastic opportunity ...

London, United Kingdom

Tiro Partners

Software Developer

10 days ago

Hybrid
On-site
Full-time
Contract

£75k - £100k per annum

... wider engineering team Technologies: - Backend - Docker - Java - Kafka - Git - Jenkins - NoSQL - REST More: We are offering a 6-month contract for a Software Developer to join a well-known clients fintech project in London, with hybrid working and twice-weekly office attendance. The rate is £(Apply online only) per day. Our ...

London, United Kingdom

Wonderbly

Digital Design Developer (Freelance)

10 days ago

Hybrid
On-site
Contract

Frontend

... stack - Lit 3, nanostores, Typescript and Vite for the personalisation flow - React 19, Typescript, Vite, Tailwind CSS and React Query for our book building backend - Style Dictionary 4, CSS custom properties and theme slots to power our design system - Services deployed on Render and JS/CSS bundle served from Fastly - Good ...

London, United Kingdom

The PFA

Regional Coach Developer - London Region

10 days ago

Remote
Hybrid
On-site
Full-time

... as requested - Maintain accurate and detailed electronic records of course delivery and member interactions - Maintain a working knowledge of current issues/trends within professional football, through active study - Work evenings and weekends to support members needs as required (this may include overnight stays) - Hold ...

London, United Kingdom