201 to 225 of 255 Open Source Jobs in England

Senior Linux Engineer

Hiring Organisation
Platform Recruitment Limited
Location
Cambridge, Cambridgeshire, East Anglia, United Kingdom
Employment Type
Permanent
Salary
£85,000
their base platform needs constant innovation. Role : You will be a significant senior hire, with significant engineering responsibility including for the trialing of new open-source technologies, as well as the prototyping of novel systems. Much of your work will focus on performance optimisation; strong C++ skills ...

Performance Marketing - Mobile Games

Hiring Organisation
Penn Gregory Recruitment
Location
Royal Leamington Spa, England, United Kingdom
performance creative production workflows across video, static imagery, audio, and playable ads. This role will design and productionise AI-powered pipelines using modern, local, open-source models. You’ll act as the Creative team’s AI specialist—driving innovation, improving efficiency, and ensuring scalable, commercially impactful creative output. ...

Security Operations Room Operator

Hiring Organisation
Sapient Insight
Location
London Area, United Kingdom
Company Description Sapient Insight specializes in providing clients with actionable insights derived from digitized human networks and open-source analytical software. With a focus on discovering verified and novel information, Sapient Insight empowers clients to make informed, strategic decisions by offering a competitive advantage. By combining cutting-edge ...

Data Governance Analyst

Hiring Organisation
JLR Search Ltd
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 450 - 500 Daily
Cloud based big data frameworks such as data lake, relational, Graph and other no-SQL databases Familiar with Cloud and Data Management trends, including open source projects, methodologies (connect and collect, hub and spoke, data fabrics, etc.) and leading commercial vendors that relate to data acquisition, management ...

Data Governance & Quality Analyst

Hiring Organisation
JLR Search Ltd
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 450 - 500 Daily
Cloud based big data frameworks such as data lake, relational, Graph and other no-SQL databases Familiar with Cloud and Data Management trends, including open source projects, methodologies (connect and collect, hub and spoke, data fabrics, etc.) and leading commercial vendors that relate to data acquisition, management ...

Data Governance Analyst

Hiring Organisation
JLR Search Ltd
Location
EC3A, Lime Street, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500/day (inside ir35)
Cloud based big data frameworks such as data lake, relational, Graph and other no-SQL databases Familiar with Cloud and Data Management trends, including open source projects, methodologies (connect and collect, hub and spoke, data fabrics, etc.) and leading commercial vendors that relate to data acquisition, management ...

Data Governance & Quality Analyst

Hiring Organisation
JLR Search Ltd
Location
EC3A, Lime Street, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500/day (inside ir35)
Cloud based big data frameworks such as data lake, relational, Graph and other no-SQL databases Familiar with Cloud and Data Management trends, including open source projects, methodologies (connect and collect, hub and spoke, data fabrics, etc.) and leading commercial vendors that relate to data acquisition, management ...

Automation Engineer

Hiring Organisation
Stealth IT Consulting Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£55,000
self-organisation. The role also involves working closely with clients and internal stakeholders to identify new opportunities, contribute to collaborative initiatives, and support open-source or community-driven work where appropriate. To succeed in this role, youll bring a combination of the following experience and capabilities: Essential experience ...

Frontend Developer

Hiring Organisation
Albert Bow
Location
London Area, United Kingdom
spoken English Nice to Have Experience with additional programming languages Test automation experience Multi-language application development Knowledge of digital assets/cryptocurrency ecosystems Open-source contributions, technical writing, or community involvement What’s On Offer Competitive base salary + annual performance bonus Hybrid working (London-based) Home ...

Head of Operations and Finance

Hiring Organisation
Foresight Data Machines
Location
London, England, United Kingdom
finance without direction. You will already have experience doing most or all of the responsibilities at a similarly sized startup. In principle we are open to a range of experience from just a couple of years up to many years, but your current job title might be finance manager … people with the following attributes: Exceptional ability. Whether in work, school, side projects, or elsewhere, you will have demonstrated exceptional ability. We are open minded about the exact form this takes. Some examples we look for: You have played a key role in an early stage startup You have ...

Strategy and Operations

Hiring Organisation
Foresight Data Machines
Location
London, England, United Kingdom
people with the following attributes: Exceptional ability. Whether in work, school, side projects, or elsewhere, you will have demonstrated exceptional ability. We are open minded about the exact form this takes. Some examples we look for: You have played a key role in an early stage startup You have … hackathons, music, sport, math or other competitions You have an impressive side project, like a popular blog or open source library. Excellent communication in speech and writing. Conscientiousness. You want to do good work, regardless of oversight. You are excited to have freedom to work without too much ...

Software Engineer (Power Systems)

Hiring Organisation
Squid (YC W26)
Location
City of London, London, United Kingdom
change is tracked, and humans + AI agents can safely operate together. We unify legacy planning models and operational data into a versioned, auditable source of truth, then layer on collaboration + AI agents that help teams run checks, explain changes, and move faster — without losing rigor. … modelling experience (industry or research): load flow, short circuit, contingency studies, network model building, etc. Familiarity with tools like pandapower , PyPSA , GridCal (or similar open-source stacks), and/or commercial tools like DIgSILENT PowerFactory , IPSA , PSS®E Experience with grid connections studies or utility workflows ...

Director of AI Systems & Foundation Models

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£150,000 - £180,000 per annum
decisions across models, tooling and external partnerships Sets standards for model evaluation, bench-marking, validation and data quality Represents the organisation externally through publications, open-source contribution or recognised thought leadership What success looks like Reusable AI systems that are actively leveraged across multiple high-value applications Models … Mindset and style Comfortable with ambiguity and research uncertainty Commercially and impact-oriented, not research-for-research's-sake Curious, rigorous and opinionated, but open to challenge Sets a high bar for quality, documentation and reproducibility Motivated by building things that matter, not just publishing them Why this role ...

Founding Product Engineer (£70K - £120K + Equity) at cubic

Hiring Organisation
Jack & Jill
Location
Greater London, England, United Kingdom
/Next.js ecosystem and a passion for crafting high-quality user experiences and product outcomes. Proven self-starter mentality evidenced by significant side projects, open-source contributions, or previous experience in early-stage startups. Who are Jack & Jill? Ok, I'll go first. I'm Jack … Jack will find you excellent alternatives. All for free. We never post fake jobs This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network. Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which ...

OSS Developer (Python)

Hiring Organisation
Sanderson Recruitment
Location
Bristol, Somerset, United Kingdom
Employment Type
Permanent
Salary
GBP 55,000 Annual
lead and build a Tech4Good project based in Bristol. You'll be creating and building a community to develop a platform based in an open-source environment The Role: We are looking for an OSS Developer (Python) to join a team to help click apply for full ...

Senior Full Stack Engineer - .Net

Hiring Organisation
Sanderson Recruitment
Location
Bristol, Somerset, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
lead and build a Tech4Good project based in Bristol. You'll be creating and building a community to develop a platform based in an open-source environment The Role: We are looking for an OSS Developer (Python) to join a team to help click apply for full ...

Senior Android Engineer

Hiring Organisation
Infoplus Technologies UK Ltd
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Contract
Contract Rate
From £350 to £400 per day
knowledge of Android SDK, Android UI design principles, patterns, and best practices Experience with offline storage, threading, and performance tuning Awesome knowledge of the open-source Android ecosystem and the libraries available for common tasks and benchmarking and optimisation Proficient in Google's Android design principles, interface guidelines ...

Python Developer

Hiring Organisation
CODEVERSE LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 per annum
validation, and transformation utilities Ensure outputs are analysis-ready and consistent Write clear documentation, examples, and usage guides Produce production-quality code suitable for open-source or public distribution Package and publish the library to PyPI Required Skills & Experience Strong Python development experience Experience working with REST APIs ...

Software Engineer

Hiring Organisation
Platform Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £115000/annum
commercial C++ expertise Significant bias towards C++ development Genuine passion for writing clean, performant code Bonus if : Commercial C++ experience Have worked on open-source projects Have an activity portfolio of personal C++ projects Full details are available. Please don't hesitate to get in touch. ...

Software Engineer C++

Hiring Organisation
Platform Recruitment Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
commercial C++ expertise Significant bias towards C++ development Genuine passion for writing clean, performant code Bonus if : Commercial C++ experience Have worked on open-source projects Have an activity portfolio of personal C++ projects Full details are available. Please don't hesitate to get in touch. ...

Python Developer

Hiring Organisation
CODEVERSE LIMITED
Location
Westminster, Greater London, UK
validation, and transformation utilities Ensure outputs are analysis-ready and consistent Write clear documentation, examples, and usage guides Produce production-quality code suitable for open-source or public distribution Package and publish the library to PyPI Required Skills & Experience Strong Python development experience Experience working with REST APIs ...

Linux Kernel Engineer

Hiring Organisation
Platform Recruitment
Location
Cambridge, Cambridgeshire, United Kingdom
Employment Type
Permanent
Salary
£60000 - £85000/annum
their base platform needs constant innovation. Role : You will be a significant senior hire, with significant engineering responsibility including for the trialing of new open-source technologies, as well as the prototyping of novel systems. Much of your work will focus on performance optimisation; strong C++ skills ...

Principal Linux/Android Platform Developer

Hiring Organisation
Eclectic Recruitment
Location
Cambridge, Cambridgeshire, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
Development and configuration of the Android platform Working across the full development lifecycle of the Android product Managing large code bases Trialling and integrating open-source development tools for debugging, profiling and memory leak protection etc. Integration testing, investigation and resolution of issues Participating in project planning ...

Embedded DSP / FPGA Engineer

Hiring Organisation
Sanderson
Location
Hampshire, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
operating systems Collaboration with cross-functional teams to deliver full lifecycle developments Knowledge of latest System on Chip devices, Software Defined Radio platforms and open-source frameworks Good understanding of Digital Signal Processing algorithms and experience of modelling or simulation algorithms This role will require eligibility ...

Principal Linux/Android Platform Developer

Hiring Organisation
Eclectic Recruitment
Location
Cambridge, Cambridgeshire, UK
Development and configuration of the Android platform Working across the full development lifecycle of the Android product Managing large code bases Trialling and integrating open-source development tools for debugging, profiling and memory leak protection etc. Integration testing, investigation and resolution of issues Participating in project planning ...