Refine Reset All
Sort by
Employer/Recruiter
Experience

Open Source Developer Jobs In London - 210 Job Positions Available

1 – 20 of 210 jobs
Affinidi jobs

About the Company Affinidi is a technology company dedicated to changing data ownership for good. We empower businesses and individuals with control and ownership of their data, with a comprehensive approach to managing their holistic identity

Affinidi  24 days ago
Bluegrass Digital jobs

WHAT WE DO? We develop medium to enterprise web and mobile applications. We work with CMS platforms like Umbraco, Optimizely, and WordPress, as well as creating custom SaaS applications. We develop on both the Microsoft stack

Bluegrass Digital  24 days ago
Pubity Group jobs

Full Stack Developer London · Hybrid Location: London Contract type: Full time, permanent Were looking for a Full Stack Developer to be the first in house engineer building Pubity Suite, the internal product platform behind one of the

Pubity Group  24 days ago
LSEG jobs

This is an individual contributor role responsible for the design, development, and delivery of high‑quality software solutions using C++ and Java within a defined product, platform, or client solution area. The role emphasizes hands‑on engineering, strong

LSEG  23 days ago
LSEG jobs

The Senior Software Engineer is a hands-on individual contributor responsible for designing, building, and operating mission‑critical FX market infrastructure and matching platforms using C++ and Java. The role focuses on low‑latency, high‑throughput distributed systems with strict

LSEG  23 days ago
Rockstar Games jobs

At Rockstar Games, we create world-class entertainment experiences. Become part of a team working on some of the most rewarding, large-scale creative projects to be found in any entertainment medium - all within an inclusive, highly-motivated

Rockstar Games  23 days ago
Adaptive jobs

WE ARE: At Adaptive, we are a financial consulting firm that partners with capital, commodity, and digital market participants. We value differentiation through technology. Our experienced teams design and deliver complex front-office technology solutions using our

Adaptive  17 days ago
T&Pm jobs

Who Are We? T&P, part of WPP, is one of the world’s leading integrated creative and media agencies, connecting talent and tech to drive growth for brands. Formed by the integration of The&Partnership and mSix&Partners, we

T&Pm  17 days ago
LegalAndGeneral jobs

Company Description Legal & General (L&G) is a leading UK financial services group and major global investor. We’ve been safeguarding people’s financial futures since 1836, and strive to build a better society, while improving the lives

LegalAndGeneral  15 days ago
Freelancerprox jobs

We are looking for a skilled and passionate Ruby Developer to join our development team. You will be responsible for designing, building, and maintaining efficient, reusable, and reliable Ruby code. Your work will directly contribute to the

Freelancerprox  14 days ago
Zaizi jobs

Zaizi is looking for a Senior Software Developer with solid technology skills, but who is also passionate about improving outcomes and the user experience. You’ll be reliable in your own deliverables but also curious about and offer

Zaizi  12 days ago
EDF jobs

Job Description Ready to shape the systems powering energy trading at scale? Want to use your technical skills to solve real-world challenges in a fast-moving commercial environment, while continuing to learn and grow? At EDF, your

EDF  11 days ago
Playtech jobs

Company Description Founded in 1999 and premium listed on the Main Market of the London Stock Exchange, Playtech is a technology leader in the gambling industry with over 7,000 employees across 20 countries. Playtech is the

Playtech  10 days ago
Endava jobs

Company Description Technology is our how. And people are our why. For over two decades, we have been harnessing technology to drive meaningful change. By combining world-class engineering, industry expertise and a people-centric mindset, we consult

Endava  9 days ago
Algolia jobs

At Algolia, we’re proud to be a pioneer and market leader in AI Search, empowering 17,000+ businesses to deliver blazing-fast, predictive search and browse experiences at internet scale. Every week, we power over 30 billion search

Algolia  8 days ago
Guardian Australia jobs

Join our team at the Guardian and be a part of a diverse and inclusive global organisation that delivers fearless, investigative journalism, and holds power to account. Our team of award-winning journalists, cutting-edge commercial professionals, and

Guardian Australia  7 days ago
Guardian Australia jobs

Join our team at the Guardian and be a part of a diverse and inclusive global organisation that delivers fearless, investigative journalism, and holds power to account. Our team of award-winning journalists, cutting-edge commercial professionals, and

Guardian Australia  7 days ago

C# .NET Developer | Energy Trading Systems | Off‑The‑Shelf Integration | £80,000 | AWS | Fully Remote A C# .NET Developer is required to join the Trading Risk Management Centre of Excellence at one of the UK’s largest

VirtueTech Recruitment Group  6 hours ago
Coder jobs

Coder is looking for an Enterprise Account Manager to grow our diverse customer base. You’ll help bring Coder’s Environment-as-a-Service platform to some of the largest companies in the world, who are focused on executing AI-centric software

Coder  29 days ago
JPMorgan Chase & Co. jobs

We have an opportunity to impact your career and provide an adventure where you can push the limits of whats possible. About our team The Cloud Engineering Acceleration team accelerates delivery of strategic public cloud platform

JPMorgan Chase & Co.  28 days ago

Subscribe for job alerts and resources to make your job search easier!

Confirmation email sent to

Check your email and click on the link to start receiving your job alerts

Receive the latest job openings for:

open source developer jobs in london

You also might be interested in:

Software Engineer

AI

Senior Software Engineer

.net Developer

Open Source

Hybrid

Architects

API

Architectural

Engineer

Confirmation email sent to

Check your email and click on the link to start receiving your job alerts

All Filters Apply
Sort by
Employer/Recruiter
Experience