25 of 25 Remote/Hybrid Open Source Jobs in the South East

Software Engineer - Open Source Contributions - Remote

Location
Oxford, England, United Kingdom
Software Engineer - Open Source Contributions Role Type: Contractor Location: Remote Seeking experienced Software Engineers to contribute to open-source development projects supporting AI training. You'll work on real-world codebases involving feature development, debugging, refactoring, and performance optimization. No prior AI experience is required. … Responsibilities Develop and implement features in existing open-source projects. Fix complex bugs and improve code reliability. Refactor legacy code for better performance, scalability, and readability. Apply algorithms and efficient problem-solving techniques. Review and validate code against project standards. Collaborate with remote contributors and document technical solutions. ...

Data Scientist

Hiring Organisation
Hackajob Ltd
Location
Camberley, Surrey, South East, United Kingdom
Employment Type
Permanent, Work From Home
limited to (1) Elastic, Logstash, Kibana (ELK) and its equivalents (2) Ni-Fi (3) Python (4) Geospatial intelligence software (5) APIs from commercial/open-source providers. The data scientist will be expected to conduct exploratory analysis of datasets to address a range of client problem sets. Open-Source Intelligence and data exploitation The data scientist is not expected to be trained/experienced in Open-Source Intelligence; however, their role will include working with a range of datasets in support of this objective. The data scientist should apply a range of techniques ...

Software Engineer (Java / C++)

Location
Abingdon, England, United Kingdom
issues, and implements fixes to deliver secure applications. Familiar with common software vulnerabilities and leading practices to mitigate. Should have some experience in researching open- source technologies for use in building systems and participate in open source communities as needed. Works on projects of moderate scope ...

Open-Source Software Engineer — Remote Contractor

Location
Oxford, England, United Kingdom
Labs seeks experienced Software Engineers to contribute to open-source projects that support AI training. You will work remotely on real-world codebases, focusing on feature development, debugging, refactoring, and performance optimization. Ideal candidates bring Python, Java, Rust, C++, and TypeScript skills with strong problem-solving abilities. Prior ...

Principal Software Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
level React Native or equivalent building native mobile from a React codebase Design system or component library ownership Consultancy or client-facing delivery background Open-source contributions, conference talks, or published technical writing Polyglot beyond Java Other Stuff NB: for non-UK Citizens; we cannot accept applications from ...

Principal Full Stack Software Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
level React Native or equivalent building native mobile from a React codebase Design system or component library ownership Consultancy or client-facing delivery background Open-source contributions, conference talks, or published technical writing Polyglot beyond Java Other Stuff NB: for non-UK Citizens; we cannot accept applications from ...

Senior Software Engineer

Hiring Organisation
Elekta
Location
Oxford, Oxfordshire, United Kingdom
Salary
£ 70 K
PostgreSQL).Frontend experience with Angular, JavaScript, HTML5, CSS3.Hands-on experience with Docker, Kubernetes, and CI/CD pipelines (Azure DevOps or similar).Familiarity with open-source tools, cloud platforms, and infrastructure automation.Understanding of software design patterns, asynchronous programming, and event-driven systems.Experience in regulated industries (healthcare preferred), cybersecurity ...

Senior AI Engineer

Hiring Organisation
MarkIT Placements
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £700 to £900 per day
OWASP. Experience working with highly regulated, mission-critical or data-intensive organisations. Experience with large-scale data platforms and distributed search. Contributions to open-source AI/ML projects. The Engineering Challenge This isn't a role focused on experimenting with AI in notebooks or stitching together ...

Senior Software Engineer

Location
Southampton, England, United Kingdom
Windows environments with Puppet at scale Familiarity with puppet-lint, rspec-puppet, and automated Puppet module testing pipelines Understanding of Puppet Enterprise or open-source Puppet Server administration PowerShell Scripting Proficient PowerShell scripting for Windows Server administration, task automation, and hybrid cloud integrations (AWS Tools for PowerShell, Azure ...

Engineering & Science - Senior Software Engineering

Location
Crawley, England, United Kingdom
experience with Angular, JavaScript, HTML5, CSS3. Hands‐on experience with Docker, Kubernetes, and CI/CD pipelines (Azure DevOps or similar). Familiarity with open‐source tools, cloud platforms, and infrastructure automation. Understanding of software design patterns, asynchronous programming, and event‐driven systems. Experience in regulated industries (healthcare ...

Lead DevOps Engineer

Hiring Organisation
NICE Systems
Location
Southampton, Hampshire, United Kingdom
Salary
£ 70 K
mixed Linux and Windows environments with Puppet at scaleFamiliarity with puppet-lint, rspec-puppet, and automated Puppet module testing pipelinesUnderstanding of Puppet Enterprise or open-source Puppet Server administrationPowerShell ScriptingProficient PowerShell scripting for Windows Server administration, task automation, and hybrid cloud integrations (AWS Tools for PowerShell, Azure PowerShell ...

Full Stack Engineer

Hiring Organisation
Oscar Technology
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
Familiarity with RAG pipelines, embeddings, prompt engineering or agentic frameworks Cloud platform experience (AWS/GCP/Azure), CI/CD, infrastructure-as-code Open-source contributions or a portfolio of side projects - especially AI-related Startup or scale-up experience What you'll get Direct mentorship from ...

Senior Incident Response Consultant 2

Location
Oxford, England, United Kingdom
management of high‐profile security incidents, threat hunting and analysis, web application security, penetration testing, leading red and/or blue teaming exercises, and open‐source intelligence (OSINT). This role requires a logical, pragmatic, meticulous, analytical, and authoritative person who is highly skilled in managing technical teams ...

Senior Software Engineer

Hiring Organisation
CACI Limited
Location
Croydon, Surrey, South East, United Kingdom
Employment Type
Permanent, Work From Home
focussed team, gaining exposure to: Implementing software solutions including design, development and testing Using a wide range of technologies, specialising in the use of open-source libraries and components Utilising tools such as GitLab to build continuous integration pipelines, which help monitor and ensure software quality and security ...

AI/ML Researcher

Hiring Organisation
Hackajob Ltd
Location
Chelmsford, Essex, South East, United Kingdom
Employment Type
Permanent, Work From Home
knowledge graphs, or graph machine learning Of particular interest are candidates with the following experience (evidenced by a track record of publications, industry experience, open-source available code or equivalent academic work): Natural Language Processing, including Information extraction, text-mining and entity linking. Experience with modern (e.g. transformer … experiences strengthens our teams and is vital to the work we do. We welcome applications from all candidates and give full, fair and open consideration to everyone. If you require any reasonable adjustments during the recruitment process, please contact our recruitment team to discuss any further support ...

Tools & Standards Lead (UK)

Hiring Organisation
UCB Group
Location
Reading, Berkshire, United Kingdom
Salary
£ 70 K
integrity requirements.Translate clinical analysis and reporting requirements into scalable platform capabilities supporting regulatory submissions and evidence generation.Drive adoption of modern technologies, including automation, AI, open-source tools, and DevOps practices.Lead platform enhancements, change management, training, and user support activities for biometrics and other data science communities.Establish standards ...

Tools & Standards Lead (UK)

Hiring Organisation
UCB Group
Location
Princes Risborough, Buckinghamshire, UK
Employment Type
Full-time
Translate clinical analysis and reporting requirements into scalable platform capabilities supporting regulatory submissions and evidence generation. Drive adoption of modern technologies, including automation, AI, open-source tools, and DevOps practices. Lead platform enhancements, change management, training, and user support activities for biometrics and other data science communities. Establish ...

Developer Advocate, Product Management

Location
Southampton, England, United Kingdom
empathy for developer frustrations and challenges Passion for helping others succeed and genuine enjoyment of developer interactions Experience participating in developer communities, forums, or open source projects Natural networking ability and enthusiasm for building relationships Creative problem‐solving skills and willingness to experiment with new approaches Strong analytical ...

GIS Manager

Location
Slough, England, United Kingdom
hybrid working with three days per week in our London office About Us Praetorian Connections Ltd (PCL) is a leading provider of language-enabled Open Source Intelligence (OSINT), supporting geopolitical, security, and risk-focused decision making. We are currently recruiting for a GIS Manager. The successful candidate will ...

Autopilot Software Engineer

Location
Fareham, England, United Kingdom
world” levels of quality and performance Nice to haves Aviation or RC model aircraft background or interest including piloting Experience with using/modifying open-source autopilot ecosystem (Betaflight/Ardupilot/PX4/MissionPlanner etc.) #J-18808-Ljbffr ...

Autopilot Software Engineer

Hiring Organisation
Matchtech
Location
Hampshire, United Kingdom
Employment Type
Permanent
deliver on-time with real-world quality/performance Nice to have Aviation or RC model aircraft interest/background (including piloting) Experience with open-source autopilot ecosystems such as Betaflight, Ardupilot, PX4, MissionPlanner Location/working pattern Hybrid , but primarily on-site (hardware + flight test requirements ...

Security & Resilience QA Engineer

Location
Brighton, England, United Kingdom
reliability and security. Expect automation, resilience testing, and collaboration with CI/CD teams for seamless releases. We value proactive debugging, reproducible builds, and open-source contributions, with a remote-first culture and occasional Brighton gatherings to align on strategy and trust. #J-18808-Ljbffr ...

QA / Test Engineer

Location
Brighton, England, United Kingdom
debug and analyse across different platforms. Familiarity with OS-level testing (networking, storage, kernel). Background in security testing or penetration testing. Contributions to open-source QA projects. Experience with reproducible builds and test-driven development. Record of finding critical vulnerabilities before release. Tools & Technologies You’ll thrive ...

Monitoring Consultant (OSS)/Senior IT Systems Administrator

Location
Redhill, England, United Kingdom
making and planning. Required Skills and Experience: Minimum 5 years of experience leading or overseeing Systems Monitoring Operations with mixed stack of COTS and Open-Source Solutions. Technical background and knowledge and experience on implementation of different types of Monitoring (Server, Logs, Application Performance Management, Synthetic). Past ...

Filesystem Engineer

Location
Brighton, England, United Kingdom
Strong C, C++, or Rust programming ability. Experience with ZFS, UFS, Btrfs, or custom FS. Familiarity with encryption methods and secure storage. Contributions to open-source filesystem projects. Background in NAS or large-scale data storage. Data recovery or forensics background.File systems built for decentralised storage. Tools & Technologies ...