1 to 25 of 261 Open Source Jobs

Mid-level Software Engineer (Cross-platform)

Hiring Organisation
Invertase
Location
Manchester, England, United Kingdom
Open Position Mid-level Software Engineer Cross-platform UK-based ABOUT INVERTASE At Invertase, we're dedicated to empowering developers with tools and resources to transform their experience by engineering exceptional applications. We partner with industry-leading technology companies to develop and maintain world-class SDKs and developer tools. … curious about new technologies and actively explore new tools as part of their development workflow. Much of our work also happens in the open, with many of the SDKs and developer tools we build being maintained as open-source projects. Engineers should be comfortable contributing publicly ...

SAM Consultant - OSS

Hiring Organisation
Talent Smart
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 595 - 630 Daily
financial services client is seeking a Software Licensing Specialist to support the governance, processes and controls surrounding the consumption and contribution of Free and Open Source Software (FOSS). This role sits within an international team and involves close collaboration with Engineering, Tooling and Legal functions. … well suited to candidates with strong expertise in open-source licensing, or those with a background in Software Asset Management (SAM)/IT Asset Management (ITAM) within a commercial environment. The successful candidate will be a proactive self-starter, comfortable working independently and delivering to tight deadlines ...

SAM Consultant - OSS

Hiring Organisation
Talent Smart
Location
E14, Canary Wharf, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£595 - £630/day
financial services client is seeking a Software Licensing Specialist to support the governance, processes and controls surrounding the consumption and contribution of Free and Open Source Software (FOSS). This role sits within an international team and involves close collaboration with Engineering, Tooling and Legal functions. … well suited to candidates with strong expertise in open-source licensing, or those with a background in Software Asset Management (SAM)/IT Asset Management (ITAM) within a commercial environment. The successful candidate will be a proactive self-starter, comfortable working independently and delivering to tight deadlines ...

Head of Sales, EMEA

Hiring Organisation
Jobleads-UK
Location
United Kingdom
About NetBox Labs NetBox Labs is building the future of infrastructure networking and open-source innovation. As the commercial steward of NetBox, the leading open-source network source of truth, we help organizations scale, secure, and automate their infrastructure. Our team is rapidly growing … teams across multiple EMEA countries. Demonstrated success exceeding multi‐million‐dollar revenue targets in complex, multi‐country environments. Experience selling infrastructure, networking, DevOps, or opensource technologies strongly preferred. Strong executive presence and experience engaging C‐level stakeholders. Deep understanding of cultural and commercial nuances across EMEA markets. ...

Solutions Engineer

Hiring Organisation
Always Further
Location
United Kingdom
without human oversight. An adequate security approach to govern them doesn't exist yet. We're building it. Our founding team created Sigstore , the open-source signing standard now used by npm, PyPI, Kubernetes, and other critical infrastructure. We're applying that same thinking to agentic security: execution … consider hiring from Europe and the US East Coast for exception candidates. What You'll Do Contribute directly to the Nono open source project - code, documentation, and architectural proposals. Experiment with different deployment architectures for Nono across cloud environments, on-premise infrastructure, and hybrid setups and share your ...

IT Support Technician

Hiring Organisation
Recruitment Helpline Ltd
Location
Bromyard, Herefordshire, West Midlands, United Kingdom
Employment Type
Permanent, Part Time
Salary
£30,000
opportunity for an Entry-Level IT Support Technician to join a well-established company. Job Type: Full-Time, Permanent - 39.5 hours. (We are potentially open to part-time hours across 5 days for the right candidate) Salary: £27,000 -£30,000 (FTE) dependant on experience Location: Site Based - Bromyard … Ecologi & charitable supporters of The Hope Centre in Bromyard. The company believes in & prides itself in rewarding honesty, hard work, efficiency & creativity. They are open and inclusive. Different points of view are not only welcomed but encouraged & celebrated. About The Role: The company are seeking an enthusiastic and highly ...

IT Support Technician

Hiring Organisation
Recruitment Helpline
Location
Bromyard, Herefordshire, United Kingdom
Employment Type
Permanent
Salary
£27000 - £30000/annum
opportunity for an Entry-Level IT Support Technician to join a well-established company. Job Type: Full-Time, Permanent - 39.5 hours. (We are potentially open to part-time hours across 5 days for the right candidate) Salary: £27,000 - £30,000 (FTE) dependant on experience Location: Site Based - Bromyard … Ecologi & charitable supporters of The Hope Centre in Bromyard. The company believes in & prides itself in rewarding honesty, hard work, efficiency & creativity. They are open and inclusive. Different points of view are not only welcomed but encouraged & celebrated. About The Role: The company are seeking an enthusiastic and highly ...

Technical Architect Principal (UK)

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £550 per day
responsible for designing major solution components, defining reference architectures, and guiding development teams through POCs to production-scale implementations. The role has a strong open-source, distributed systems, and data architecture focus, with frequent CIO-level technical interactions. Your Responsibilities Architecture & Blueprint Design Define end-to-end architecture … components for scalability, resilience, and performance. Lead tool selection and POC execution, validating architectural choices. Guide teams from conceptual design to production-ready architecture. Open Source & Platform Architecture Act as the open-source architecture authority, ensuring correct adoption and customization. Evaluate and recommend open-source ...

Software Licensing Analyst/Engineer

Hiring Organisation
GCS
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £620/day
Software Licensing Analyst/FOSS Licensing SME to support the development of processes and controls governing the use and contribution of Free and Open-Source Software (FOSS) across the organisation. This role sits within the Technology CTO/Engineering Practice function and will play a key part … strengthening open-source governance, compliance, and licensing frameworks. The role requires a proactive self-starter who can work independently, manage competing priorities, and deliver results under tight deadlines. Key Responsibilities Evaluate and communicate the implications of open-source software licenses to both technical and non-technical ...

AI Engineer SPRING TX

Hiring Organisation
Jobs
Location
Spring, Texas, United States
Employment Type
Any
Salary
USD Annual
Build agentic AI systems, including multi-step reasoning workflows, tool using agents, and autonomous or semi-autonomous processes Evaluate, customize, and fine-tune open-source and commercial large language models (LLMs) for domain-specific use cases Develop impactful AI applications that deliver measurable business and operational value Design … Augmented Generation (RAG), prompt engineering, embeddings, and model orchestration Lead the design and implementation of AI solutions leveraging Microsoft AI and Azure services, and open-source LLM models (e.g. HuggingFace, etc.) Collaborate closely with product managers, domain experts, data engineers, and software engineers to define and deliver ...

Applied AI Research Engineer - £300k + bens - London

Hiring Organisation
Transparent Technology
Location
City of London, London, United Kingdom
Employment Type
Permanent
methods * Fine-tune and deploy LLMs in production environments * Apply reinforcement learning techniques (SFT, PPO, DPO, GRPO) * Run hands-on experimentation to outperform closed-source models * Break down ambiguous research ideas into structured roadmaps * Optimise open-source LLMs (LoRa, Llama etc.) for enterprise deployment One hire will … applied AI/ML (exceptional 3+ years considered) * Deep experience in fine-tuning + reinforcement learning * Experience shipping ML systems from research into production * Open-source LLM experience essential * Product-driven engineering mindset (Apple, LinkedIn, Amazon style environments ideal but must be willing to work in a start ...

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 focused solely on applying existing models. 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 ...

Social Media Cyber Information Operation Network Analyst

Hiring Organisation
Calibre Systems
Location
Fort Irwin, California, United States
Employment Type
Permanent
Salary
USD Annual
CALIBRE is an employee-owned, mission-focused solutions and digital transformation company. CALIBRE is seeking a Cyber Social Media/Open-Source Intelligence (OSINT) Analyst to support rotational training at the National Training Center (NTC). This position supports U.S. Army training by replicating modern cyber, information … social media operating environments. The Cyber Social Media/OSINT Analyst provides open-source intelligence (OSINT) support and designs, develops, maintains, and troubleshoots secure web-based platforms hosted on NTC networked application servers. The role requires strict compliance with Information Assurance (IA), DoD cyber security standards, and Risk ...

AI Architect

Hiring Organisation
Walsh Employment
Location
Leamington Spa, Warwickshire, West Midlands, United Kingdom
Employment Type
Permanent
Salary
£85,000
content more efficiently and at scale. The successful candidate will help drive innovation across the creative function, with a strong focus on local and open-source AI models , workflow optimisation and commercial impact. Key Requirements We are looking for a technically strong AI specialist with proven experience applying … build and improve AI-powered creative workflows Experience across image, video and audio generation , ideally including playable ads Strong knowledge of local and open-source AI models , including optimisation and deployment Experience integrating AI tools into real-world production environments Ability to solve technical problems and deliver scalable ...

Senior Software Engineer - Backend

Hiring Organisation
Zettafleet
Location
United Kingdom
platform for businesses and organisations to train their own LLM on their proprietary data. We can use non-conventional AI hardware and automatically source and combine GPUs (and other types of AI accelerators) from multiple cloud providers, enabling users to optimise for cost, duration or geographic location … with technical and non-technical stakeholders. Nice to have: Machine Learning: Experience in generative models, LLMs, multi-modal models and Deep Learning more generally. Open-source: Contributions to and experience in open-source projects. Startup experience: Experience in an early-stage startup environment. How we work ...

Senior Software Engineer - Frontend

Hiring Organisation
Zettafleet
Location
London Area, United Kingdom
platform for businesses and organisations to train their own LLM on their proprietary data. We can use non-conventional AI hardware and automatically source and combine GPUs (and other types of AI accelerators) from multiple cloud providers, enabling users to optimise for cost, duration or geographic location … interpersonal and communication skills, with technical and non-technical stakeholders. Nice to have: Visual design: Background in graphic design and/or visual arts. Open-source: Contributions to and experience in open-source projects. Startup experience: Experience with a startup work environment and wider ecosystem. ...

Head of Embedded Systems Development (f/m/x)

Hiring Organisation
ZEISS
Location
Oberkochen, Baden-Württemberg, Germany
Employment Type
Permanent
Salary
EUR Annual
integrate new technologies and trends in the field of embedded systems, contributing to quality improvement and reduction of development costs You will integrate open source principles and represent Zeiss in external committees and open source communities You will implement best practices in product/software development ...

Principal DevOps Engineer

Hiring Organisation
Jobleads-UK
Location
United Kingdom
secure cloud environments hosting data and batch/real‐time analytical platforms for public and private sector clients, leveraging the latest commercial and opensource technologies and techniques. This also involves building automated deployments using configuration management technology, deploying new modules, upgrades and fixes to test and production … role: Commercial Experience in deploying and operating infrastructure (network, servers, services) and applications on AWS and other cloud environments Developing and operating using open source and commercial software within a cloud‐centric environment Server build and administration, Linux and Windows GitHub/GitLab for source control ...

Site Reliability Engineer

Hiring Organisation
Anson Mccade
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Permanent
Salary
£65,000
tech stack and experience troubleshooting service outages. Agile Methodology: Experience working within an Agile Scrum team and using supporting tools like Jira. Testing & Open Source: Familiarity with automation frameworks (Selenium) and a track record of improving Open Source Software. ...

Experienced WordPress Engineer

Hiring Organisation
Affinity
Location
Truro, Cornwall, South West, United Kingdom
Employment Type
Permanent
Salary
£40,000
public sector, including central government, and enterprise-level private sector clients. We specialise in Discovery, Design, Development, Implementation, Data Integration and Migration, utilising open-source technologies including WordPress. We are committed to nurturing long-term relationships with our clients through quality-driven and cost-effective Support, Maintenance … part of an agile development team, building and maintaining customer websites and digital services using WordPress, SQL and PHP, utilising various services and open source tools. They will support existing solutions and help continually improve them through work packages. They will be working on a number of high ...

Machine Learning Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
refine them through A/B testing and user feedback* Actively monitor the market and research landscape for new developments in Gen AI, evaluate open-source models and third-party AI APIs/services to inform build-vs-buy decisions to leverage the best available tools (or iterate … them) to keep Snap’s products at the cutting edge* Evaluate open-source Gen AI models and APIsKnowledge, Skills & Abilities:* A proven passion for machine learning; you stay up-to-date with research and are excited about prototyping new ideas quickly* Knowledge of mathematics and deep learning foundations ...

Software Developer-AWS Hadoop(Multiple Openings)

Hiring Organisation
ClientServer Technology Solutions
Location
Iselin, New Jersey, United States
Employment Type
Permanent
Salary
USD Annual
Develop, design, and implement Hadoop analytics infrastructure applications according to client specifications. Analyze, modify and integrate user needs and develop software solutions for open-source software framework for storing data. Develop and improve Open source distributed computing platforms. Responsible to drive cost savings in areas ...

Autonomous Engineer

Hiring Organisation
Proactive Global
Location
Wallingford, Oxfordshire, United Kingdom
Employment Type
Permanent
Salary
£85000 - £95000/annum
point cloud processing. Understanding of state estimation frameworks (e.g., EKF, UKF, graph-based methods, or factor graphs). Evidence of past work: open-source contributions, competition results, or deployed systems Experience integrating 3D and 2D LiDARs (Ouster, Velodyne, Hesai, Livox, SICK, etc.). Knowledge of calibration (LiDAR … collaboration skills Nice to haves Expertise in design robotic software at scale Experience with Lidar-based segmentation, or other perception pipelines Contributions to open-source robotics projects Participation in competitions like RoboCup, Formula Student AI, or DARPA challenges Why work for us Innovative environment Private healthcare via Bupa ...

Senior Robotics Engineer

Hiring Organisation
Lawrence Harvey
Location
Oxfordshire, England, United Kingdom
across a global fleet What they’re looking for: Proven industry experience or a strong academic robotics background Evidence of real work - deployed systems, open-source contributions, competitions etc. Strong experience with ROS 2, C++, and Python Solid Linux fundamentals, Git, CI/CD, and containerization Strong communication … bonus if you have: • LiDAR sensor integration expertise, LiDAR-based SLAM, or perception pipeline experience • Experience designing robotics software at scale • Contributions to open-source robotics They move fast. Standards are high. Ownership is real. On-site x3 days per week in Oxfordshire. If you want to work ...

Application Security Analyst

Hiring Organisation
Bowerford Associates
Location
Exeter, Devon, United Kingdom
Employment Type
Permanent
Salary
£55000 - £60000/annum Pension, Healthcare, Holiday, Bonus
security protocols, cryptography, and authentication. Proficiency in programming or scripting ( any of the following, C#, Python, Java, JS frameworks or similar ). Experience with open-source and enterprise security tools. Excellent problem-solving and analytical skills. A broad interest across the security domain. About Us Our client … Secure Software Development Lifecycle, SSDLC, Vulnerability Management, Security Protocols, Cryptography, Authentication, Web Application Security, OWASP Top 10, Programming, Scripting, C#, Python, Java, JS frameworks, Open-Source Security Tools, Enterprise Security Tools. Please note that due to a high level of applications, we can only respond to applicants whose ...