9,142 full stack java developer jobs in London, United Kingdom.

Showing vacancies

Quant Capital

Quant Analyst Asset Management

9 days ago

Contract

Data Science

$300 USD

... serious financial modelling. This is a UNIQUE opportunity to be in a small team with responsibility from day 1. My client is based in London Quant Analyst Quant Developer Java Scala Algorithm Algo, OO Development Developer C# C++ SQL SQL 2008 Quant Trader Bank C# winforms [{"name": "fixed_term_contract", "text": "Fixed-term ...

London, United Kingdom

9fin

Senior Backend Engineer

9 days ago

Hybrid
On-site
Full-time

Backend

$145 USD

... environments, feature flags and well maintained non production environments. You will be able to move with velocity and get feedback and iterate quickly. Our Backend Stack - Python is the dominant backend language used - Flask & FastAPI - Typing is used within our Python stack to power automated documentation and API definitions ...

London, United Kingdom

SPENCER CLARKE GROUP

RPA Developer

3 days ago

Hybrid
Full-time
Contract

£42.5k - £68k per annum

... and regular competitions. last updated 45 week of 2026 [{"name": "permanent_employment", "text": "Permanent", "categoryName": "Type of employment"}, {"name": "full_time", "text": "Full-time", "categoryName": "Type of employment"}, {"name": "temporary", "text": "Temporary", "categoryName": "Type of employment"}, {"name": ...

London, United Kingdom

Data Intellect

kdb+ Developer

3 days ago

Hybrid
Full-time

... Accommodations are available throughout the assessment and selection process. Ready to grow your kdb+ career with us? Challenge Accepted. Apply now. [{"name": "full_time", "text": "Full-time", "categoryName": "Type of employment"}, {"name": "hybrid_working", "text": "Hybrid working", "categoryName": "Working conditions"}, ...

London, United Kingdom

Energy Saving Trust

Junior Developer

3 days ago

Remote
Hybrid
On-site
Full-time

£30.5k per annum

... we are unable to provide visa sponsorship for this post. To apply for this post, you must be able to demonstrate your eligibility to work in the UK [{"name": "full_time", "text": "Full-time", "categoryName": "Type of employment"}, {"name": "work_at_office", "text": "On-site", "categoryName": "Working conditions"}, {"name": ...

London, United Kingdom

Haystack

.NET Developer

4 days ago

Remote

Backend

£55k per annum

... pension. - Opportunities for professional development and training in cutting-edge technologies. - Flexible working hours and home working options. Apply via Haystack today! [{"name": "work_from_home", "text": "Work from home", "categoryName": "Working conditions"}, {"name": "flexible_hours", "text": "Flexible hours", "categoryName": ...

London, United Kingdom

Arbuthnot Latham

MuleSoft Developer

4 days ago

On-site

... wealth planning and investment management. We believe in traditional relationship and service-led banking powered by modern technology. Job Purpose The MuleSoft Developer works closely with the Solution Architects and the Mulesoft team to implement MuleSoft's AnyPoint platform-based Integrations in order to support business ...

London, United Kingdom

Konrad

Android Developer

8 days ago

Remote
Hybrid

Mobile

... millions of consumers around the world. We hire exceptionally smart, analytical, and hard working people who are lifelong learners. About The Role As an Android Developer you'll be tasked with working on Android application development. Working within the software development team, your duties will require you to assist in the ...

London, United Kingdom

Haystack

Python Developer

8 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

8 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

Baltimore Consulting Group

SQL Developer

9 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

DCV Technologies

Mainframe Developer

9 days ago

Full-time

£40k - £46k per annum

... Core Banking Platform Engineering Team. In this role, you will work on a critical Category A application in our IT estate, building new software and updating existing applications to meet business requirements. last updated 44 week of 2026 [{"name": "full_time", "text": "Full-time", "categoryName": "Type of employment"}]

London, United Kingdom

OpticoreIT

Go Developer

9 days ago

On-site

Networking

Opticore IT is a specialist Network Engineer and Project Management consultancy offering a wide variety of opportunities to work within fast-paced, challenging environments across our client base spanning multiple sectors including Finance, Broadcast Media, Telecommunications and more.

London, United Kingdom

Quant Capital

Goland Developer

9 days ago

Backend

Goland Developer Times Fastest Growing Quant Capital is urgently looking for a Golang Developer to join our high profile client in their main development team. Our client is a small but well known big data property software business, disrupting a well established market. The Golang Developer will join an innovative start-up ...

London, United Kingdom

Arbuthnot Latham

MuleSoft Developer

9 days ago

On-site

London, United Kingdom

Adecco

C++ Developer

11 days ago

Full-time
Contract

£500 - £750 per day

Company: ADECCO Job Type: Contract, Full Time Salary: £500 - £750/day [{"name": "full_time", "text": "Full-time", "categoryName": "Type of employment"}]

London, United Kingdom

Quant Capital

C++ Developer

11 days ago

C++ Developer Fintech MS Gold Partner Quant Capital is urgently looking for a C++ developer to join our high profile client. They offer 25 days holiday and an 8% Pension. My client is a well known financial software house, providing trading platforms to major buy side clients. The C++ Developer sits next to the head of ...

London, United Kingdom

Adecco

C++ Developer

11 days ago

Hybrid
On-site
Full-time
Contract

£45k - £70k per annum

... We also use generative AI tools to support candidate screening, while all final decisions are made by our hiring team. last updated 43 week of 2026 [{"name": "full_time", "text": "Full-time", "categoryName": "Type of employment"}, {"name": "hybrid_working", "text": "Hybrid working", "categoryName": "Working conditions"}, ...

London, United Kingdom

Mistral AI

Research Engineer, Machine Learning

14 days ago

About Mistral Mistral provides full-stack AI solutions: from frontier models to developer tools, applications, and compute. We partner with enterprises tackling the hardest problems across high-stakes industries like finance, manufacturing, defense, healthcare, and the public sector, co-creating customized AI systems that ...

London, United Kingdom

Blockchain.com

Infrastructure Security Engineer

9 days ago

Remote
Hybrid
On-site
Full-time

Cybersecurity

$1 USD

... technical discussions across engineering teams. In this hands-on hybrid role, you will build scalable security guardrails and automation across cloud, CI/CD, and developer platforms—combining SRE and security disciplines to protect our global stack and support proactive threat defense. Our day-to-day work is interesting and dynamic, ...

London, United Kingdom