Remote Open Source Jobs

226 to 250 of 451 Remote Open Source Jobs

Java Engineer - Up to £160,000 + Bonus + Package

Greater London, England, United Kingdom
Hybrid / WFH Options
Hunter Bond
for writing clean, maintainable, and well-tested code 🎓 STEM degree (e.g., Computer Science, Software Engineering, Mathematics) Why This Role Stands Out 💻 Engineering-Driven Culture – Emphasis on modern tech and open-source tools 🚀 Rapid Growth – Learn from the best and advance quickly 📈 Real-World Impact – Your code powers live, high-stakes trading operations 🤝 Flat, Agile Team – Work where innovation More ❯
Posted:

Research Engineer, Machine Learning (Horizons) (London)

London, UK
Hybrid / WFH Options
Menlo Ventures
safety of large language models through fundamental research in reinforcement learning, improving reasoning abilities in areas such as code generation and mathematics, and exploring reinforcement learning for agentic/open-ended tasks. Representative projects: Develop and implement novel reinforcement learning techniques to improve the performance and safety of large language models. Create tools and environments for models to interact … with, enabling them to perform complex, open-ended tasks. Design and run experiments to enhance models' reasoning capabilities, particularly in code generation and mathematics. You may be a good fit if you: Have 5+ years of industry-related experience Are proficient in Python and have experience with deep learning frameworks such as PyTorch or Jax Have a strong software … Have a strong background in machine learning, reinforcement learning, or high performance computing Have experience with virtualization and sandboxed code execution environments Have experience with Kubernetes Have contributed to open-source projects or published research papers in relevant fields Candidates need not have: Formal certifications or education credentials Experience with LLMs or machine learning research before Deadline to More ❯
Employment Type: Full-time
Posted:

Research Engineer, Machine Learning (Horizons)

London, United Kingdom
Hybrid / WFH Options
Menlo Ventures
safety of large language models through fundamental research in reinforcement learning, improving reasoning abilities in areas such as code generation and mathematics, and exploring reinforcement learning for agentic/open-ended tasks. Representative projects: Develop and implement novel reinforcement learning techniques to improve the performance and safety of large language models. Create tools and environments for models to interact … with, enabling them to perform complex, open-ended tasks. Design and run experiments to enhance models' reasoning capabilities, particularly in code generation and mathematics. You may be a good fit if you: Have 5+ years of industry-related experience Are proficient in Python and have experience with deep learning frameworks such as PyTorch or Jax Have a strong software … Have a strong background in machine learning, reinforcement learning, or high performance computing Have experience with virtualization and sandboxed code execution environments Have experience with Kubernetes Have contributed to open-source projects or published research papers in relevant fields Candidates need not have: Formal certifications or education credentials Experience with LLMs or machine learning research before Deadline to More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior GPU Software Engineer

London Area, United Kingdom
Hybrid / WFH Options
microTECH Global LTD
Develop cross-platform solutions for operating systems including Windows, Linux, iOS, and Android. Enhance, maintain, and expand existing codebases (C/C Python). Integrate third-party commercial and open-source software components. Produce clear and well-structured technical documentation, including specifications, APIs, and integration guides. Support external partners and customers in integrating SDKs. Test and evaluate complex More ❯
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Senior GPU Software Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
microTECH Global LTD
Develop cross-platform solutions for operating systems including Windows, Linux, iOS, and Android. Enhance, maintain, and expand existing codebases (C/C Python). Integrate third-party commercial and open-source software components. Produce clear and well-structured technical documentation, including specifications, APIs, and integration guides. Support external partners and customers in integrating SDKs. Test and evaluate complex More ❯
Posted:

Apprentice - Software Developer

Crawley, Sussex, United Kingdom
Hybrid / WFH Options
Virgin holidays
and maintain Python code that powers our AI and Generative AI applications Build full-stack solutions by connecting intuitive front-ends with robust back-end systems Integrate APIs and open-source libraries like LangChain and Hugging Face Work in agile sprints, collaborating closely with developers, designers, and product managers Participate in code reviews, pair programming, and technical workshops … breaking them down into clear, logical steps You're a team player who communicates well and enjoys learning with others You're comfortable working in agile environments and are open to feedback You're passionate about building digital tools that make a real difference Our recipe for leadership At Virgin Atlantic, our leaders empower teams to thrive through collaboration More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Quality Assurance Engineer

United Kingdom
Hybrid / WFH Options
83zero
in testing practices. Key Responsibilities Review requirements and technical designs to provide timely feedback. Create and maintain detailed test plans and test cases. Design and implement automation scripts using open-source tools. Identify, document, and track bugs thoroughly. Perform regression testing and troubleshoot quality issues. Mentor junior QA engineers and oversee test documentation. Recommend improvements to enhance product More ❯
Posted:

Senior QA Engineer

London, United Kingdom
Hybrid / WFH Options
83zero Ltd
in testing practices. Key Responsibilities Review requirements and technical designs to provide timely feedback. Create and maintain detailed test plans and test cases. Design and implement automation scripts using open-source tools. Identify, document, and track bugs thoroughly. Perform regression testing and troubleshoot quality issues. Mentor junior QA engineers and oversee test documentation. Recommend improvements to enhance product More ❯
Employment Type: Permanent
Salary: £50000 - £60000/annum
Posted:

Java Developer

Northampton, Northamptonshire, England, United Kingdom
Hybrid / WFH Options
Gibbs Hybrid
Project Reactor) Experience with event-driven architecture Experience with DevOps and Automation Familiarity with domain-driven design principles Experience with test-driven development and automated testing frameworks Contributions to open-source projects Please feel free to contact myself - Daisy Nguyen at Atrium UK/Gibbs Consulting for a confidential chat to know more details about the role. Please More ❯
Employment Type: Contractor
Rate: £420 per day
Posted:

Camunda Tech Lead

London, United Kingdom
Hybrid / WFH Options
Queen Square Recruitment Limited
delivery of product features. Key Responsibilities Design and deploy custom workflow solutions using Camunda SaaS Build and configure Camunda Postgres connectors, job workers, service tasks, and user tasks Lead open-source delivery initiatives and support internal project teams Collaborate with engineering, product, and business teams to align on requirements and architectural direction Ensure robust, scalable, and high-performing More ❯
Employment Type: Contract
Posted:

Automation Engineer - CISCO

England, United Kingdom
Hybrid / WFH Options
Experis - ManpowerGroup
instructional design, and technical training skills . Preferred Qualifications: Cisco DevNet (Associate, Professional, or Specialist) certification. Experience with Cisco hardware/software solutions . CCNA or CCNP certification . Open-source contributions (GitHub, GitLab). Presentation and video content creation skills. This role is ideal for a self-starter who is passionate about network automation, training, and AI More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Embedded Software Engineer

Cambridge, Cambridgeshire, United Kingdom
Hybrid / WFH Options
ACS Business Performance Ltd
capabilities Candidate Profile: Degree-qualified in Computer Science, Electronics, or similar (or equivalent experience) Comfortable working on military/defence projects Eligible for at least BPSS clearance Personal/open-source projects a strong plus (GitHub/portfolio links welcome) Typically looking for candidates with 8+ years' experience Some UK/international travel required Hybrid working may be More ❯
Employment Type: Permanent
Posted:

Senior Embedded Software Engineer

Cambridge, Cambridgeshire, East Anglia, United Kingdom
Hybrid / WFH Options
ACS Performance
capabilities Candidate Profile: Degree-qualified in Computer Science, Electronics, or similar (or equivalent experience) Comfortable working on military/defence projects Eligible for at least BPSS clearance Personal/open-source projects a strong plus (GitHub/portfolio links welcome) Typically looking for candidates with 8+ years' experience Some UK/international travel required Hybrid working may be More ❯
Employment Type: Permanent, Work From Home
Posted:

Generative AI Engineer

Amsterdam, Noord-Holland, Netherlands
Hybrid / WFH Options
Vivid Resourcing
Flexible Hybrid working Pension and Bonus Competitive compensation with performance bonuses Collaborative culture at the intersection of finance and deep tech Opportunities to publish applied research or contribute to open-source initiatives More ❯
Employment Type: Permanent
Salary: EUR Annual
Posted:

Machine Learning Engineer

Sheffield, South Yorkshire, Yorkshire, United Kingdom
Hybrid / WFH Options
VANLOQ LIMITED
applications, from development through deployment, monitoring, and maintenance. Required Experience: Proven experience in Document AI/Intelligent Document Processing , using both traditional ML methods and Generative AI , preferably with open-source models. Solid Python programming skills with a focus on ML, NLP, deep learning, generative AI, and image/OCR processing. Hands-on experience with frameworks such as More ❯
Employment Type: Contract
Posted:

Principal Platform Engineer

Belfast, Northern Ireland, United Kingdom
Hybrid / WFH Options
Adepta Partners
to balance technical trade-offs and influence platform direction. Bonus Points Experience with developer portals such as Backstage. Familiarity with event-driven systems and event catalogue tooling. Contributions to open-source projects, especially within the CNCF ecosystem. Relevant certifications in AWS and/or Kubernetes. This is a career-defining opportunity for a senior engineer who wants to More ❯
Posted:

.Net Technical Lead

Belfast, United Kingdom
Hybrid / WFH Options
Version 1
Department: Public Sector & Utilities (Ireland) Job Description Architecting software solutions primarily using the Microsoft Azure stack, with opportunities to work with Open Source technology where appropriate (70% technical development, 30% management). Leading and building an effective, cross-functional squad practicing agile methodologies (Scrum, DevSecOps, Design Sprints) in collaboration with local and remote teams. Making decisions on the More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Blockchain Developer (100% Remote - United Kingdom)

United Kingdom
Hybrid / WFH Options
Tether Operations Limited
stayed lean, and established industry leadership. Are you ready to be part of the future? About the job The Wallet Development Kit (WDK) Software Engineer contributes to Tether's open-source toolkit for building self-custodial wallet applications across mobile and desktop platforms. The role involves technical design, implementation, and collaboration to enhance the toolkit's capabilities. Experience More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

AI Lead – Strategy & Implementation

United Kingdom
Hybrid / WFH Options
ApprovalMax
development of AI-powered systems from concept to deployment Set up infrastructure and tooling for scalable, secure, and efficient model development and serving Guide selection and integration of LLMs (open-source or commercial) into product workflows. Establish best practices for prompt engineering, model fine-tuning, and evaluation Coordinate across engineering, product, and design teams to ensure AI systems More ❯
Posted:

Senior Engineer - Full Stack (Remote)

London, United Kingdom
Hybrid / WFH Options
Veeva Systems, Inc
problems and ownership, and who enjoys working with technologies like Python, Typescript, GraphQL, AWS, and Frameworks like FastAPI and React. What You'll Do Build scalable web applications utilizing open-source tools and technologies Build and use REST and GraphQL APIs Be able to work independently while communicating progress to other members of the team Participate in the More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead VueJS Engineer

United Kingdom
Hybrid / WFH Options
Twogether
but not essential. However please note that this is not an entry-level position, we are only looking for candidates with either commercial experience or a demonstrable record of open-source contributions. Your benefits Private health care Life insurance Income protection Cash Plan Pension 5% matched Annual leave 25 days 'Me days' x 3 Bike to work scheme More ❯
Posted:

ACQ Software Developer

Guildford, Surrey, United Kingdom
Hybrid / WFH Options
BAE Systems (New)
must. You will have experience in the majority of the following (or a desire to learn it): Software development in C++ including use of modern standards, third-party/open source software (e.g. boost), writing for performance, and concurrency techniques Detailed knowledge of Linux development including build systems, tools, compilers, kernel and drivers Knowledge of computer networking and More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Engineer

London, United Kingdom
Hybrid / WFH Options
Trili
focus on cultural projects, decentralised finance, and gaming. We're dedicated to redefining possibilities and setting new standards within the rapidly evolving blockchain space. Our Technology Tezos is an open-source blockchain known for its flexibility, security, and unique self-evolving capabilities. With innovations like Etherlink -an EVM-compatible Layer 2-Tezos is scaling rapidly and attracting a More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Machine Learning Scientist (Generative AI) - Viator London, England

London, United Kingdom
Hybrid / WFH Options
TripAdvisor LLC
years of experience with LLM Awareness of current LLM techniques, prompt tuning, evaluations and model monitoring. In-depth knowledge of AI/ML/DL, Statistics, and related open-source libraries. Strong skills in SQL and at least one programming language. To be comfortable in code reviews, discussing architecture, and collaborating with a multidisciplinary team for regular model More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Machine Learning Scientist (Generative AI) - Viator

London, United Kingdom
Hybrid / WFH Options
TripAdvisor LLC
years of experience with LLM. Awareness of current LLM techniques, prompt tuning, evaluations and model monitoring. In-depth knowledge of AI/ML/DL, Statistics, and related open-source libraries. Strong skills in SQL and at least one programming language. To be comfortable in code reviews, discussing architecture, and collaborating with a multidisciplinary team for regular model More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
Open Source
Work from Home
10th Percentile
£50,000
25th Percentile
£55,000
Median
£87,500
75th Percentile
£115,000
90th Percentile
£138,750