24 of 24 Remote/Hybrid Open Source Jobs in London

Software Asset Management Consultant

Hiring Organisation
Talent Smart
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 600 - 630 Daily
someone with a strong background in software development or programming, to support governance, processes, and controls around the use and contribution of Free and Open Source Software (FOSS). The role is ideally suited to someone who has previously built or maintained software and has developed a strong … developer-focused guidance to engineering teams on the implications of FOSS licensing within their applications and codebases. Analyse licensing and copyright considerations for new open-source software requests, with an understanding of real-world development use cases. Use FOSS scanning and composition analysis tools to identify licensing risks ...

Software Asset Management Consultant

Hiring Organisation
Talent Smart
Location
E14, Canary Wharf, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £630/day
someone with a strong background in software development or programming, to support governance, processes, and controls around the use and contribution of Free and Open Source Software (FOSS). The role is ideally suited to someone who has previously built or maintained software and has developed a strong … developer-focused guidance to engineering teams on the implications of FOSS licensing within their applications and codebases. Analyse licensing and copyright considerations for new open-source software requests, with an understanding of real-world development use cases. Use FOSS scanning and composition analysis tools to identify licensing risks ...

Research Engineer

Hiring Organisation
Arrows
Location
City of London, London, United Kingdom
Research Engineers | Frontier AI Lab I am partnering with a high-growth Frontier AI Lab, developing an open-source platform to unify structured and unstructured data into advanced knowledge graphs. The company is now expanding its research team and seeking exceptional AI Research Engineers to contribute … role focuses on developing new novel architectures. Responsibility: • Designing and developing novel model architectures in-house • Post-training and adapting state-of-the-art open-source foundation models • Owning projects end-to-end, from initial research through to production Experience: • Strong ML research track record (publications, open ...

Senior Full Stack Engineer

Hiring Organisation
Prolo
Location
London Area, United Kingdom
analysis using Python (pandas, numpy) Understanding of data pipelines and ETL processes AI/LLM Engineering Experience integrating LLM APIs (OpenAI, Anthropic, Gemini, or open-source equivalents) into production applications Understanding of core LLM concepts: context windows, token limits, temperature, system prompts, and model selection trade-offs Experience … Experience building scalable backend systems Ability to work across multiple domains (backend, DevOps, data) Examples of taking projects from idea to production Contributions to open source or personal projects Note : Prolo is a startup with a small engineering team, which means you'll be expected to be versatile ...

Full Stack Engineer

Hiring Organisation
Higher - AI recruitment
Location
City of London, Greater London, UK
already secured significant early-stage funding, including a $10m Seed round in 2024. The founding team is composed of ex-Palantir and ex-Open AI leaders. They combine deep sector knowledge with cutting-edge design and software engineering expertise to deliver state-of-the-art SaaS capabilities leveraging … experience working with cross-functional software development teams Experience shipping and iterating on production-grade software components professionally and/or in the open-source community Ability to write robust, well tested, and well-designed code that frequently gets deployed to users Strong understanding of product development ...

Enterprise Account Executive (Founding)

Hiring Organisation
Sauced
Location
City of London, London, United Kingdom
offices in San Francisco and an expanding EMEA presence. With ~55 employees globally, they've built one of the world's most widely used open source data labelling platforms — trusted by over 350,000 data scientists and ML engineers worldwide. Their platform enables enterprises to train, evaluate … business. You'll be expected to generate a portion of your own pipeline alongside strong inbound demand generated through their large and active open-source community — a genuine differentiator in terms of brand awareness and warm engagement. What You'll Need - A proven track record in complex, full ...

Java Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
case-management or service-orchestration platforms Understanding of agentic AI capabilities and how they can complement workflow automation Experience mentoring developers or contributing to open-source Camunda extensions Already holding UK security clearance (SC, DV, eDV) Other Stuff NB: Please only apply if you are a UK National ...

Principle Java Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
case-management or service-orchestration platforms Understanding of agentic AI capabilities and how they can complement workflow automation Experience mentoring developers or contributing to open-source Camunda extensions Already holding UK security clearance (SC, DV, eDV) Other Stuff NB: Please only apply if you are a UK National ...

Data Scientist

Hiring Organisation
Oscar Technology
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £75,000 per annum
customer-facing AI tools, leveraging large language models and modern machine learning techniques. While the organisation operates in a regulated environment, they are open to candidates from a range of industry backgrounds, financial services experience is beneficial but not essential. Key Responsibilities Design, build, and deploy Generative AI solutions … with Generative AI (LLMs, prompt engineering, embeddings) Experience using frameworks such as LangChain, LlamaIndex, or similar Experience integrating with model APIs (e.g. OpenAI or open-source alternatives) Exposure to cloud environments (AWS, GCP or Azure) Strong problem-solving skills and a pragmatic, delivery-focused mindset Ability to work ...

Professional Services DevOps Engineer

Hiring Organisation
Walsh Employment
Location
Central London, London, United Kingdom
Employment Type
Permanent
premise and cloud-based environments Exposure to software architecture and system design would be advantageous A strong learning mindset and genuine interest in open-source technologies A consistent and credible career record , demonstrating progression and commitment within relevant organisations Role & Responsibilities As a Professional Services DevOps Engineer ...

AI Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £475 per day
enterprise workflows Your Profile Essential Skills/Knowledge/Experience AI Engineer (5 to 12 Years) Hands-on experience 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 ...

Machine Learning Engineer

Hiring Organisation
Higher - AI recruitment
Location
City of London, Greater London, UK
software engineering skills with a focus velocity Excellent communication skills and the ability to flourish in a team Located in London/Paris and open to working in office Tech Stack: Python FastAPI Python, Typescript, or React Open source LLMs Building for production Benefits Currently Offered (likely ...

Machine Learning Engineer PyTorch LLM

Hiring Organisation
Client Server
Location
East London, London, United Kingdom
Employment Type
Permanent, Work From Home
friendly office Pension Monthly socials Impactful role that you can shape and influence Your role: As a Machine Learning Engineer you'll take open-source LLMs (code and general models) and turn them into high-performance software engineer agents using supervised fine tuning and large scale reinforcement learning. ...

Forensic Data Analytics Manager

Hiring Organisation
KPMG UK
Location
City of London, London, United Kingdom
role The role will involve leading a team deploying forensic analytics (including testing routines across structured data and LLM-enabled unstructured, structured and open-source data analysis) over large datasets to help our clients solve their most complex fraud, misconduct and integrity matters. This role requires a deep … need to do is apply, create a profile, upload your CV and begin to make your mark with KPMG. Our Locations: We are open to talk to Forensic talent across the country but our core hubs for this role are: Birmingham London Canary Wharf Manchester With 20 sites across ...

Data Scientist

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £400 to £450 per day
conditions change Your Profile Essential Skills/Knowledge/Experience Role - Data Scientist (5 to 12 Yrs) Hands-on experience with GenAI, Gemini or Open source LLMs and develop GenAI applications for Code Translation, Text Extraction, Summarisation and SDLC Optimization etc. Hands-on Experience with AI Agents, Chat ...

Infrastructure Security Engineer

Hiring Organisation
Blockchain.com
Location
London Area, United Kingdom
Benchmarks, NIST, SOC2, ISO 27001, PCI DSS) and how to operationalize them. Hands-on experience with building and maintaining a SIEM comprised of open-source and hosted components Experience securing consumer-facing web and iOS/Android applications Experience designing policies and administering Vault & other Hashicorp products. Experience ...

Mid-Senior Ruby on Rails Engineer (B2B SaaS | Hybrid | UK)

Hiring Organisation
Transreport
Location
London Area, United Kingdom
Experience working with mobile applications (React Native/Kotlin/Swift). Experience working in regulated industries or multi-client B2B systems. Contributions to open-source Ruby projects or technical blogging. Benefits Private healthcare after your probation (including children) Hybrid working model 25 days holiday Volunteering Leave Free ...

Front End Software Engineer (Typescript)

Hiring Organisation
Safe Intelligence
Location
City of London, Greater London, UK
experience with Python, modern development techniques, and design patterns. Experience in data science tools and ML tools (e.g., NumPy, pandas, scikit-learn, PyTorch) and open-source contributions (especially Python-based) would be a bonus. Familiarity with CUDA, GPU-based computations, end-to-end neural network training, MLOps ...

AI Software Engineer

Hiring Organisation
Fruition Group
Location
North West London, London, United Kingdom
Employment Type
Permanent, Work From Home
similar) Consultancy or client-facing technology delivery experience Desirable: Experience with vector databases, embeddings, or model fine-tuning Cloud platform experience (AWS preferred) Open-source contributions or visible AI side projects This is not a research-focused post; it is suited to engineers who build, deploy and scale ...

Senior Platform Engineer

Hiring Organisation
Lawrence Harvey
Location
City of London, London, United Kingdom
depth cyber security experience and building platforms/infrastructure with security built in at code level. Expert level knowledge of Terraform, Python and open-source databases (Postgres & Clickhouse a bonus) Experience working in fast-paced, top tier financial institutions. If you’re an experienced Platform Engineer looking ...

Principal Machine Learning Scientist | ADMET/Structural Biology | Series A - Drug discovery Platform | Fully Remote, EU | Base Salary Up to £160,000K, plus early equity+benefits

Hiring Organisation
Owen Thomas | B Corp™
Location
East London, London, United Kingdom
distillation, benchmarking, and evaluation. Define preprocessing and harmonization strategies for diverse assay datasets used in ADMET modeling. Author or contribute to scientific publications or open-source software where appropriate. 3 Month Plan: Develop a working understanding of the product, federated training setup, and key life-sciences modelling ...

Principal Machine Learning Scientist | ADMET/Structural Biology | Series A - Drug discovery Platform | Fully Remote, EU | Base Salary Up to £160,000K, plus early equity+benefits

Hiring Organisation
Owen Thomas | B Corp™
Location
Central London / West End, London, United Kingdom
distillation, benchmarking, and evaluation. Define preprocessing and harmonization strategies for diverse assay datasets used in ADMET modeling. Author or contribute to scientific publications or open-source software where appropriate. 3 Month Plan: Develop a working understanding of the product, federated training setup, and key life-sciences modelling ...

Principal Machine Learning Researcher (Privacy/Risk) | | Series A - Drug discovery Platform | Fully Remote, EU/UK | Base Salary Up to £160,000K, plus early equity+benefits

Hiring Organisation
Owen Thomas | B Corp™
Location
City of London, London, United Kingdom
distillation, benchmarking, and evaluation. Define preprocessing and harmonization strategies for diverse assay datasets used in ADMET modeling. Author or contribute to scientific publications or open-source software where appropriate. 3 Month Plan: Develop a working understanding of the product, federated training setup, and key life-sciences modelling ...

Principal Machine Learning Researcher (Privacy/Risk) | | Series A - Drug discovery Platform | Fully Remote, EU/UK | Base Salary Up to £160,000K, plus early equity+benefits

Hiring Organisation
Owen Thomas | B Corp™
Location
East London, London, United Kingdom
distillation, benchmarking, and evaluation. Define preprocessing and harmonization strategies for diverse assay datasets used in ADMET modeling. Author or contribute to scientific publications or open-source software where appropriate. 3 Month Plan: Develop a working understanding of the product, federated training setup, and key life-sciences modelling ...