1 to 25 of 225 Open Source Jobs

Free and Open Source Software Licensing SME CGEMJP

Hiring Organisation
Experis IT
Location
Sheffield, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
Role Title: Free and Open Source Software (FOSS) Licensing SME Duration: contract to run until 30/11/2026 Location: Sheffield, Hybrid 3 days per week onsite Rate: up to £529 p/d Umbrella inside IR35 Role purpose/summary Bank is seeking a Free … Open Source Software (FOSS) Licensing Subject Matter Expert (SME) to support the definition, enhancement, and ongoing governance of policies, processes, and controls related to the consumption and contribution of open source software across the organisation. This role sits within the Engineering Practice team in the Client ...

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 ...

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 ...

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 ...

Associate OSINT Analyst

Hiring Organisation
North Quay
Location
United Kingdom
Company Description North Quay Holdings combines expert human analysis with advanced AI-driven software to deliver the all-source intelligence that leaders need to safeguard critical assets, mitigate risk, and seize strategic opportunities. Operating across three core service areas — Breach Detection, Executive Protection, and bespoke investigations — we connect … London Area, United Kingdom, with flexibility to work from home for some tasks. In this position, you will gather, analyse, and interpret open-source intelligence in direct support of our three service areas: corporate breach detection, executive and family exposure monitoring, and bespoke client investigations. You will monitor ...

Lead Javascript Engineer

Hiring Organisation
Hydrogen Group
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 90,000 - 95,000 Annual
positive direction. Foster and build culture within your team using the values that we set out as an organisation You encourage and drive an open source way of development abiding by open source principles You drive evolutionary and challenging architectural solutions which maintain cohesiveness across … always have an eye on the industry trends You ensure we follow industry best practices You have: Experience creating/contributing to an open source project Experience managing a team of software engineers Architected and built performant, scalable, resilient public facing products Experience in Javascript Experience with state ...

Senior Golang Developer

Hiring Organisation
Levy Global
Location
London Area, United Kingdom
this role, you will focus on developing and maintaining high-performance applications using Golang, contributing to code-based deployment strategies, and collaborating on open-source projects. Your expertise will drive the deployment and management of cutting-edge solutions using technologies like Temporal. Responsibilities: Develop and maintain robust, scalable … design and implementation of code-based deployment strategies. Manage and optimize deployment and management processes for applications. Collaborate with the team on open-source projects and initiatives. Implement solutions using Temporal and similar technologies to enhance application performance. Ensure code quality through testing, code reviews, and adhering ...

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 ...

Full-Stack Web Developer (m/w/d) - Hybrid

Hiring Organisation
Verein der Europ. Bürgerwissenschaften ECSA e.V
Location
Mitte, Berlin, Germany
Employment Type
Permanent
Salary
EUR 45,000 - 50,000 Annual
nice to have) Basic knowledge of JavaScript (nice to have) Experience with Moodle administration or development (nice to have) Experience with, or interest in, open-source and community-driven projects (nice to have) Experience with additional technologies such as REST APIs or modern frontend frameworks is a plus …/2026 Location: Berlin (Museum für Naturkunde) Platform: citizenscience.eu About Us ECSA is a European membership organisation working to advance citizen science. Our open-source platform citizenscience.eu, including the Academy, serves as a central hub for the citizen science community, connecting projects, resources, and people engaged in participatory ...

Technical Support Engineer

Hiring Organisation
Formance
Location
City of London, Greater London, UK
terms of responsiveness, resolution time, tone, and knowledge Support the customer throughout their entire lifecycle Provide expert-level technical support for customers using our Open Source Ledger and other backend modules. Troubleshoot complex issues, investigating and diagnosing problems quickly, and escalating them to the development team when necessary. … support and relay feedback for continuous improvement. Ability to prioritize and manage multiple tickets/issues Fluent in English Nice to have : Familiarity with open-source ecosystems, APIs, webhooks, or BE tools Basic understanding of financial services infrastructure (ledgers, reconciliation, transactions) Benefits We offer a competitive package including ...

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 ...

Account Executive

Hiring Organisation
Ultralytics
Location
City of London, Greater London, UK
Ultralytics , we are shaping the future of Vision AI. Our groundbreaking YOLO (You Only Look Once) models are the world’s most widely used open-source object detection tools, empowering millions of developers and enterprises to build intelligent applications that see and understand the world. Now backed … hand in hand. Why This Role and Why Now Be part of a once-in-a-decade AI success story with an enormous open-source following and clear product-market fit. Join at the moment when Ultralytics is transitioning from foundation building to large-scale global growth. Sell ...

Senior ML Research Engineer

Hiring Organisation
Zettafleet
Location
City of London, Greater London, UK
would love to hear from you. Nice to have: Publications: At top-tier ML/CV/NLP conferences (NeurIPS, ICML, ICLR, CVPR, ICCV) Open-source: Contributions to and experience in open-source projects. Startup experience: Experience with a startup work environment and wider ecosystem. ...

Graduate ML Research Engineer

Hiring Organisation
Zettafleet
Location
City of London, Greater London, UK
would love to hear from you. Nice to have: Publications: At top-tier ML/CV/NLP conferences (NeurIPS, ICML, ICLR, CVPR, ICCV) Open-source: Contributions to and experience in open-source projects. Startup experience: Experience with a startup work environment and wider ecosystem. ...

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 ...

Lead Software Engineer, Back End

Hiring Organisation
Capital One
Location
Harrisonburg, Virginia, United States
Employment Type
Permanent
Salary
USD Annual
solutions that drive powerful experiences to help millions of Americans achieve financial empowerment Utilize programming languages like Java, Python, SQL, Node, Go, and Scala, Open Source RDBMS and NoSQL databases, Container Orchestration services including Docker and Kubernetes, and a variety of AWS tools and services Basic Qualifications: Bachelor … following: Java, Scala, Python, Go, or Node.js 2+ years of experience with AWS, GCP, Azure, or another cloud service 4+ years of experience in open source frameworks 1+ years of people management experience 2+ years of experience in Agile practices At this time, Capital One will not sponsor ...

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. ...

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 ...

Telemetry and Observability Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£475 - £515 per day
systems Build and enhance observability tooling, including dashboards, monitoring systems, alerting frameworks, and reliability standards Develop and maintain telemetry solutions using OpenTelemetry and related open-source technologies Automate observability infrastructure using Terraform and infrastructure-as-code practices Integrate monitoring and observability into CI/CD pipelines and SDLC … Experience Experience in regulated or large enterprise environments Exposure to AI/ML-driven observability or proactive monitoring initiatives Contribution to or involvement with open-source observability projects If this sounds like a fit, APPLY NOW! Telemetry & Observability Engineer | Contract | £475-£515 p/d | Inside IR35 | London ...

Full Stack Engineer (AI Startup)

Hiring Organisation
Trismik
Location
United Kingdom, UK
passion for web development, a with a particular focus on front end design; ideally, you should have previous experience with data visualization, contributed to open source projects, and/or show a strong track record of personal software projects. However, as a full stack role, you are also … spoken English. Desirable Skills Working knowledge of the following: Data visualization libraries like D3js Microservices Monorepo/turborepo architecture Docker Past experience with open source projects. Past experience in community engagement projects. Familiarity with Scrum/Agile software development practices. Our Offer £65,000 and share options ...

Principal Engineer

Hiring Organisation
Synergetic Recruitment Group Limited
Location
Chelmsford, Essex, South East, United Kingdom
Employment Type
Permanent
tracing systems Design and optimise high-throughput data pipelines and storage layers Implement strategies such as sampling, aggregation, and down-sampling Extend and enhance open-source observability tools at scale Partner with engineering teams to standardise tooling and improve adoption Drive reliability, scalability, and cost optimisation across … Experience with service mesh technologies (e.g. Istio/Envoy) Ability to operate as a technical authority and trusted advisor across teams Nice to Have Open-source or CNCF contributions Experience using AI tools to improve engineering efficiency Why Join Be the go-to expert shaping a large-scale ...

Principal Engineer

Hiring Organisation
Synergetic
Location
Cambridgeshire, England, United Kingdom
tracing systems Design and optimise high-throughput data pipelines and storage layers Implement strategies such as sampling, aggregation, and down-sampling Extend and enhance open-source observability tools at scale Partner with engineering teams to standardise tooling and improve adoption Drive reliability, scalability, and cost optimisation across … Experience with service mesh technologies (e.g. Istio/Envoy) Ability to operate as a technical authority and trusted advisor across teams Nice to Have Open-source or CNCF contributions Experience using AI tools to improve engineering efficiency Why Join Be the go-to expert shaping a large-scale ...