176 to 200 of 275 Open Source Jobs

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

Hiring Organisation
Transreport
Location
City of London, London, 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 ...

Vice President, AI Deployment & Strategy (UK, Italy, France or Germany)

Hiring Organisation
SaxeCap
Location
London Area, United Kingdom
worked on a live deal, you know what this feels like. Builder DNA. You don't just recommend, you build. Side projects, open-source contributions, 0-to-1 products, or intrapreneurial ventures all signal the instinct we're looking for. Structured synthesis at scale. You can process massive ...

Engineering Manager

Hiring Organisation
Canada Life UK
Location
City of London, London, United Kingdom
Employment Type
Part Time
optimise flow, deliver customer value and modernise our platforms. Our bespoke mortgage system is built using Ruby on Rails, MySQL, JavaScript, and other open-source technologies, with a clear roadmap toward cloud-native evolution. Key responsibilities Lead, coach and inspire a stream-aligned product engineering team, fostering ...

Engineering Manager

Hiring Organisation
Canada Life UK
Location
Isle Of Man, North West, United Kingdom
Employment Type
Part Time
optimise flow, deliver customer value and modernise our platforms. Our bespoke mortgage system is built using Ruby on Rails, MySQL, JavaScript, and other open-source technologies, with a clear roadmap toward cloud-native evolution. Key responsibilities Lead, coach and inspire a stream-aligned product engineering team, fostering ...

Engineering Manager

Hiring Organisation
Canada Life UK
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Part Time
optimise flow, deliver customer value and modernise our platforms. Our bespoke mortgage system is built using Ruby on Rails, MySQL, JavaScript, and other open-source technologies, with a clear roadmap toward cloud-native evolution. Key responsibilities Lead, coach and inspire a stream-aligned product engineering team, fostering ...

Engineering Manager

Hiring Organisation
Canada Life UK
Location
Potters Bar, Hertfordshire, South East, United Kingdom
Employment Type
Part Time
optimise flow, deliver customer value and modernise our platforms. Our bespoke mortgage system is built using Ruby on Rails, MySQL, JavaScript, and other open-source technologies, with a clear roadmap toward cloud-native evolution. Key responsibilities Lead, coach and inspire a stream-aligned product engineering team, fostering ...

Head of Technology (Technical)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
waterfall and Agile methodology. Experience of many different technology types and approaches, front end, back end, SaaS, IaaS, PaaS, cloud, hybrid Cloud, Opensource, ERP, CRM, Web, Automation, DevOps, Scrum. Expertise in both the strategy and execution of digital and technology transformation. Develop and lead substantial technology and implementation functions. Support ...

CI/CD Engineer

Hiring Organisation
Conclusion Xforce
Location
Nieuwegein, Utrecht, Netherlands
Employment Type
Permanent
Salary
EUR Annual
certificeringen zoals AZ-400 of GitLab-GitHub gerelateerde certificaten Praktische ervaring met container platforms zoals Kubernetes of OpenShift is een pré Eventuele bijdrage aan open-source projecten is een pré Wat we bieden Werken aan uiteenlopende CI/CD opdrachten bij klanten met ruimte om te specialiseren … werk je aan complexe technische uitdagingen rond automation cloud native observability en developer experience. Bij Conclusion geloven we in samenwerken kennis delen en een open cultuur waarin je jezelf kunt zijn en kunt groeien. Je combineert de voordelen van een hechte teamomgeving met de slagkracht van een groot bedrijf. ...

Lead Data Engineer (eDV)

Hiring Organisation
Aker Systems Limited
Location
Cheltenham, Gloucestershire, South West, United Kingdom
Employment Type
Permanent
will assist in the development of a secure batch/real-time data platform for a government client leveraging the latest commercial and open-source technologies. This involves getting data from a variety of different sources, getting it into the right format, assuring alignment to target models … Terraform for IaC deployments Experience in Linux and Windows Aker Systems Attributes At Aker we work as a team; we are collaborative, hardworking, open, and delivery obsessed. There is no blame culture here: try things, and take responsibility for the outcomes. You are always part of the wider Aker. ...

FPGA Design - Lead Research Engineer "CLEARANCE REQUIRED"

Hiring Organisation
GE Vernova
Location
Malta, New York, United States
Employment Type
Permanent
Salary
USD Annual
industrial consortiums, commercial partners, and others to advance the state of the art in embedded systems. Publish technical papers, file patents, and contribute to open-source communities. Qualifications/Requirements Ph.D. in Computer Science, Electrical Engineering, or related disciplines OR Master's degree in Computer Science, Electrical Engineering … influenced by a variety of factors, including the candidate's experience, education, and skill set. Bonus eligibility: ineligible. This posting is expected to remain open for at least seven days after it was posted on February 03, 2026. Available benefits include medical, dental, vision, and prescription drug coverage; access ...

Senior Software Engineer (Java Script)

Hiring Organisation
Hamilton Barnes 🌳
Location
London Area, United Kingdom
Software Engineering Trading experience Deep Java Script expertise Experience refactoring existing software Bonus points for experience with Docker, distributed systems, testing, Rust/WebAssembly, open-source projects, or an interest in finance. #Unforutnately their is no sponsorship available for this role. If you like solving hard engineering problems ...

Cloud Architect- eDV Cleared

Hiring Organisation
Searchability NS&D
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £115,000 per annum, Negotiable
commute to Manchester.- Experience as a hands-on cloud architect CLOUD ARCHITECT ESSENTIAL SKILLS- Expertise in delivering AWS Cloud native solutions- Background in Open-source technologies and frameworks- Experience with micro-service based architectures- Experience working with structured architecture approaches (TOGAF or SAFe)- Leadership and stakeholder management experience ...

Cloud Architect- eDV Cleared

Hiring Organisation
Searchability NS&D
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £120,000 per annum, Negotiable
commute to London.- Experience as a hands-on cloud architect CLOUD ARCHITECT ESSENTIAL SKILLS- Expertise in delivering AWS Cloud native solutions- Background in Open-source technologies and frameworks- Experience with micro-service based architectures- Experience working with structured architecture approaches (TOGAF or SAFe)- Leadership and stakeholder management experience ...

Cloud Architect- eDV Cleared

Hiring Organisation
Searchability NS&D
Location
Cheltenham, Gloucestershire, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £115,000 per annum
commute to Cheltenham.- Experience as a hands-on cloud architect CLOUD ARCHITECT ESSENTIAL SKILLS- Expertise in delivering AWS Cloud native solutions- Background in Open-source technologies and frameworks- Experience with micro-service based architectures- Experience working with structured architecture approaches (TOGAF or SAFe)- Leadership and stakeholder management experience ...

Senior AI Engineer

Hiring Organisation
Enablis
Location
Leeds, England, United Kingdom
evolving AI tooling (MCP, A2A, Threads or similar) Consultancy or client-facing delivery experience Desirable: Vector databases, embeddings, fine-tuning Cloud experience (AWS preferred) Open-source contributions or visible AI side projects This is not a research role. We’re looking for builders. If you want to help ...

Lead Developer

Hiring Organisation
Reed
Location
Redhill, Surrey, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £55,000 per annum, Inc benefits
mentoring developers, and driving best practice across modern software delivery. You will be leading development across Linux based systems, working with both bespoke and open source technologies, and playing a key role in the ongoing evolution of in house platforms covering areas such as VoIP, networking services, traffic ...

Machine Learning Engineer (Computer Vision)

Hiring Organisation
Matchtech
Location
Surrey, United Kingdom
Employment Type
Permanent
/deployment tooling (ONNX, TensorRT) Edge deployment experience (e.g., NVIDIA Jetson or other resource-constrained devices) Familiarity with MLOps tooling (e.g., DVC, MLflow) Relevant open-source contributions in computer vision Interested? If this sounds like you, apply with your CV or get in touch to discuss the role ...

Software Engineer

Hiring Organisation
Matchtech
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Permanent
Salary
£50000 - £70000/annum
candidates will design, implement, and maintain high-quality software solutions in an agile environment. You will work primarily in C++ using modern tools and open source frameworks, contributing to innovative software for advanced navigation and important systems. Key Responsibilities: Capture and evaluate technical requirements, estimating delivery timescales ...

ML Engineer - Life Sciences (Early Talent)

Hiring Organisation
Nebius
Location
Netherlands
Employment Type
Permanent
Salary
EUR Annual
architectures, GPU workload profiling, deep learning system optimization, model compression techniques, or distributed inference will be especially well suited for this role. Contributions to open-source machine learning projects are also a valuable plus. During the program, you will receive mentorship from experienced professionals in AI, machine learning ...

Software Engineer (Ardupilot)

Hiring Organisation
Stealth mode defence-tech startup
Location
Hereford, England, United Kingdom
main project. Take responsibility for the security of digital forensics. Essential skills/experience: Proven hands-on experience with Ardupilot, PX4, or a comparable open-source autopilot stack Strong working knowledge of MAVLink, mission planning tools, and UAV communication protocols Practical experience with UAV tuning, flight testing ...

Sr. Distinguished Machine Learning Engineer

Hiring Organisation
Capital One
Location
Mc Lean, Virginia, United States
Employment Type
Permanent
Salary
USD Annual
Scikit-learn) Ability to communicate complex technical concepts clearly to a variety of audiences ML industry impact through conference presentations, papers, blog posts, or open source contributions Ability to attract and develop high-performing software engineers with an inspiring leadership style Capital One will consider sponsoring ...

Research Science - Human Attention

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £75,000 per annum
images, video, 3D scenes, and gaze signals.Translating research ideas into practical prototypes with support from a small engineering-focused team.Contributing ideas proactively in an open, research-driven environment. Your Skills and Experience PhD, near-complete PhD, in machine learning, computer vision, AI, cognitive science, neuroscience, HCI, robotics … related field. Evidence of strong research output such as publications at leading computer vision or AI venues, patents, or substantial open-source contributions. Strong hands-on experience with Python and modern deep learning frameworks, ideally PyTorch. Ability to design, run, and evaluate machine learning experiments independently. A genuine ...

Senior Security Software Engineer

Hiring Organisation
Keysight Technologies
Location
Fleet, England, United Kingdom
analysis capabilities for the Keysight SBOM Manager solution. This role focuses on identifying software components, dependencies, and security-relevant metadata from compiled artifacts where source code, package manifests, or traditional package-manager metadata may be unavailable or incomplete. The ideal candidate has strong systems programming skills, experience analyzing compiled … implement production-quality analysis engines, parsers, heuristics, and supporting services. Build capabilities that improve SBOM accuracy, dependency identification, vulnerability mapping, and component provenance. Evaluate open-source and proprietary tooling for binary analysis, firmware extraction, reverse engineering, and SCA workflows. Work with product, research, and engineering teams to turn ...

Founding Research Scientist - Human Computer Vision

Hiring Organisation
Harnham
Location
United Kingdom
relevant field (e.g. machine learning, computer vision, robotics, HCI, cognitive science, neuroscience or graphics) Strong research track record (top‐tier publications, patents or substantial opensource work) Hands‐on deep learning experience Strong Python skills and experience with PyTorch Ability to independently design, run and evaluate ML experiments … likely to enjoy this role if you: Are curious about how humans perceive and interact with the world Are comfortable with ambiguity and open‐ended research problems Are technically strong and able to build and debug your own models Care about rigour, evaluation and evidence Enjoy working ...

Senior Software Engineer

Hiring Organisation
Snyk
Location
United Kingdom
detect and respond to threats. If you’re excited about building scalable, foundational infrastructure and want to play a key role in securing open-source ecosystems and software supply chains, this is a rare opportunity to shape the future of developer security. What you’ll do Design, build … lead projects from concept to production with confidence A pragmatic approach to problem-solving, including debugging both technical and organisational challenges A growth mindset — open to feedback and committed to continuous improvement Strong team orientation — you understand that success is shared A solid foundation in software engineering principles ...