Open Source Software - 256+ job offers

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 £494.50 p/d Umbrella inside IR35 Role Purpose / Summary Bank is seeking a Free and Open Source Software (FOSS) Licensing Subject Ma

The Centre for Information Resilience (CIR) is an independent organisation dedicated to exposing human rights violations and threats to democracy. We achieve this through open-source research, digital investigations, capacity-building with local partners, and collaboration with media to amplify our

Job Description Sage AI is the global, high-performing AI business unit within Sage. We are building the future of cloud business management by using artificial intelligence to turbocharge our users' productivity. The Sage AI team builds capabilities to help businesses make better decisions and auto

Collabora

Collabora is pleased to invite applications to join our 2026 internship programme. Our interns are paid to work, full-time, on an Open Source Software project to improve software with real users. Who We Are We are a software consultancy specialising in bringing companies and the open source software

Design, build, and maintain a secure, scalable open-source platform. Collaborate with teams to integrate tools, data systems, and community features, ensuring alignment with values and mission. A hands-on role using tech to support impactful social change. What difference will you make? Your contrib

Experis IT

Job Description 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 and Open Source Software (FOSS) Lic

Experis IT

Role Title: Free and Open Source Software (FOSS) Licensing SMEDuration: contract to run until 30/11/2026Location: Sheffield, Hybrid 3 days per week onsiteRate: up to £529 p/d Umbrella inside IR35Role purpose/summaryBank is seeking a Free and Open Source Software (FOSS) Licensing Subject Matter Exper

Location: Sheffield Job Type: Contract Industry: Cloud & Infrastructure Job reference: BBBH437084_1776342833 Posted: about 8 hours ago 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

SUSE

A leading open-source software company is seeking a Commercial & IP Legal Counsel to provide legal support focusing on the DACH region. This role involves drafting and negotiating commercial agreements, reviewing software for compliance, and advising on strategic positioning in the open source commu

*Company Description** Version 1 has celebrated over 28 years in Technology Services and continues to be trusted by global brands to deliver solutions that drive customer success. Our expertise enables our customers to navigate the rapidly changing Digital-First world we live in. We foster strong pa

An esteemed UK university in Southampton is seeking a Software Engineer / Senior Software Engineer to develop and support customer-focused projects. The role involves programming, testing, and customer support tasks, requiring proven industrial experience and a PhD or equivalent in Computer Science.

University of Southampton

A leading UK university is seeking candidates for a Software Engineering/Customer Support role. The position involves developing and supporting customer-focused projects, particularly around open access and digital education. Applicants must have proven experience in the field and a PhD or equivalen

Avon and Somerset Police

A regional police force in Exeter is looking for a full-time Researcher to join their Counter Terrorism Policing team. Candidates must have strong qualitative and quantitative research skills, and proficiency in Microsoft Office. This office-based role will require high-quality research outputs and

Avon and Somerset Police

A public safety organization is seeking a full-time Researcher to join their Counter Terrorism Policing team. The role involves conducting high-quality research, collating information from various sources, and deriving logical conclusions. Candidates should have experience in both qualitative and qu

TESTQ Technologies Limited

A leading technology firm is seeking a Principal Engineer to transform its engineering capabilities by reducing reliance on third-party software and promoting open source and cloud native technologies. The ideal candidate will lead and mentor staff, drive architectural decisions for sustainability,

AI Security Institute

A leading AI research organization in London is seeking a Research Scientist with expertise in developing safeguards for open-source models. The successful candidate will focus on mitigating risks related to AI-generated harmful content, engaging with various stakeholders across government and indus

Canonical

A leading tech firm is seeking a Business Development professional with a strong background in technology or engineering. This role involves collaborating with various teams, advocating for Ubuntu adoption, and crafting materials for partners and customers. Ideal candidates will have exceptional aca

Arm

A leading technology firm in the UK is seeking a Senior Software Engineer to design and maintain build systems for complex compiler projects. You will collaborate closely with engineering teams, ensuring efficient development and testing of open-source toolchains. Strong experience with C/C++ build

Canonical

A leading open source software provider in the United Kingdom seeks an exceptional software engineer focused on virtualisation and container technology. The ideal candidate should have experience in Go, Rust, C/C++, or Python, and possess strong analytical skills. This role offers the flexibility of

A tech company specializing in open-source solutions is looking for a candidate skilled in digital transformation and cloud computing. This role involves networking with senior stakeholders, identifying opportunities, supporting teams with emerging technologies, and collaborating on projects. Ideal