1,076 to 1,100 of 2,072 Open Source Jobs in the UK

Remote Software Engineer, Fullstack (UK)

Hiring Organisation
First Up
Location
Kilmarnock, East Ayrshire, UK
Datadog or similar observability and monitoring platforms. Demonstrated use of Generative AI tools or coding agents in development workflows. Experience in enterprise SaaS organisations. Open-source contributions or a history of side projects. Why Firstup? Because you care - about people, the work you do, and the connections ...

Remote Software Engineer, Fullstack (UK)

Hiring Organisation
First Up
Location
Newtownards, Co. Down, UK
Datadog or similar observability and monitoring platforms. Demonstrated use of Generative AI tools or coding agents in development workflows. Experience in enterprise SaaS organisations. Open-source contributions or a history of side projects. Why Firstup? Because you care - about people, the work you do, and the connections ...

Remote Software Engineer, Fullstack (UK)

Hiring Organisation
First Up
Location
Annan, Dumfries & Galloway, UK
Datadog or similar observability and monitoring platforms. Demonstrated use of Generative AI tools or coding agents in development workflows. Experience in enterprise SaaS organisations. Open-source contributions or a history of side projects. Why Firstup? Because you care - about people, the work you do, and the connections ...

Remote Software Engineer, Fullstack (UK)

Hiring Organisation
First Up
Location
Holyhead, Isle of Anglesey, UK
Datadog or similar observability and monitoring platforms. Demonstrated use of Generative AI tools or coding agents in development workflows. Experience in enterprise SaaS organisations. Open-source contributions or a history of side projects. Why Firstup? Because you care - about people, the work you do, and the connections ...

Remote Software Engineer, Fullstack (UK)

Hiring Organisation
First Up
Location
Ballymena, Co. Antrim, UK
Datadog or similar observability and monitoring platforms. Demonstrated use of Generative AI tools or coding agents in development workflows. Experience in enterprise SaaS organisations. Open-source contributions or a history of side projects. Why Firstup? Because you care - about people, the work you do, and the connections ...

Remote Software Engineer, Fullstack (UK)

Hiring Organisation
grabjobs
Location
Enniskillen, Co. Fermanagh, UK
Datadog or similar observability and monitoring platforms. Demonstrated use of Generative AI tools or coding agents in development workflows. Experience in enterprise SaaS organisations. Open-source contributions or a history of side projects. Why Firstup? Because you care - about people, the work you do, and the connections ...

Remote Software Engineer, Fullstack (UK)

Hiring Organisation
grabjobs
Location
Craigavon, Co. Armagh, UK
Datadog or similar observability and monitoring platforms. Demonstrated use of Generative AI tools or coding agents in development workflows. Experience in enterprise SaaS organisations. Open-source contributions or a history of side projects. Why Firstup? Because you care - about people, the work you do, and the connections ...

Remote Software Engineer, Fullstack (UK)

Hiring Organisation
grabjobs
Location
Lanark, South Lanarkshire, UK
Datadog or similar observability and monitoring platforms. Demonstrated use of Generative AI tools or coding agents in development workflows. Experience in enterprise SaaS organisations. Open-source contributions or a history of side projects. Why Firstup? Because you care - about people, the work you do, and the connections ...

Remote Software Engineer, Fullstack (UK)

Hiring Organisation
First Up
Location
North Berwick, East Lothian, UK
Datadog or similar observability and monitoring platforms. Demonstrated use of Generative AI tools or coding agents in development workflows. Experience in enterprise SaaS organisations. Open-source contributions or a history of side projects. Why Firstup? Because you care - about people, the work you do, and the connections ...

Remote Software Engineer, Fullstack (UK)

Hiring Organisation
First Up
Location
Stockton-on-Tees, County Durham, UK
Datadog or similar observability and monitoring platforms. Demonstrated use of Generative AI tools or coding agents in development workflows. Experience in enterprise SaaS organisations. Open-source contributions or a history of side projects. Why Firstup? Because you care - about people, the work you do, and the connections ...

Principal AI Engineer

Location
Greater London, England, United Kingdom
embedding models Experience with model serving frameworks (vLLM, TensorRT, Ray) Experience with A/B testing and experimentation frameworks for AI features Contributions to open‐source ML projects or research publications Experience with model observability tools (LangSmith, W&B;, MLflow) Our Commitment to Diversity, Equity, Inclusionand Belonging (DEIB ...

Software Engineer - Applied AI

Location
Greater London, England, United Kingdom
models and agentic systems to how quantitative research, software development, and other critical work at HRT gets done. We combine cutting-edge commercial and open-source models and tools with infrastructure, research, and systems of our own. Our work spans the full stack required to make this successful ...

Junior Machine Learning Engineer

Location
Greater London, England, United Kingdom
building your experimentation skills alongside others We'd love to hear from you if you have A good working knowledge of Python, including open-source data libraries such as Pandas, NumPy or Scikit-learn A background in Computer Science, Mathematics, Statistics or a similar quantitative discipline, whether through ...

Lead Site Reliability Engineer

Hiring Organisation
Hackajob Ltd
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Permanent
blameless postmortems for high-availability services Deep understanding of distributed system design principles, networking (TCP/IP, DNS, load balancing), Linux internals. Contributions to open-source observability or telemetry projects. Experience working with agent control planes and management protocols. Hands-on knowledge of OpAMP is highly desirable. ABOUT ...

Senior Consultant, Digital Forensics and Incident Response

Location
Greater London, England, United Kingdom
data wrangling for log analysis Familiarity with forensic software tools such as EnCase, Nuix, Axiom, Blackbag and forensic hardware tools. Familiarity with open source tools and leveraging commercial tools for forensic use. Established track record for performing forensic collections, involvement in incident response and digital investigations alongside maintaining ...

Product Engineer (AI Agent Management)

Location
Harrow, England, United Kingdom
follow through Value collaboration, openness, and continuous improvement Bonus points if you’ve worked with APIs, cloud-native platforms, AI-enabled systems, or open source, but curiosity matters most. Life at Gravitee At Gravitee, we invest in humans, not just roles. You’ll Get Competitive medical coverage Pension ...

Software Development Specialist

Location
Greater London, England, United Kingdom
innovative solutions for the transformation of Vodafone towards the Digital Telco. Work with state-of-the art CI/CD tools, agile infrastructure, and open-source software. As a member of the Vodafone Network Operations Data Science & Software Development department your main focus will be to build scalable ...

Senior Microsoft Security Engineer (XDR, IRM, Deception Engineering)

Location
Greater London, England, United Kingdom
deception strategy, detection coverage, residual risk, and security improvements to senior stakeholders. Qualifications What you’ll bring: Required Skills & Experience: Hands‐on experience with: Open‐source and commercial deception/honeypot platforms (e.g., Thinkst Canary, T‐Pot, Cowrie, OpenCanary, Zscaler Deception) Advanced KQL for detection engineering and threat ...

Staff Data Engineer

Location
Belfast, Northern Ireland, United Kingdom
Computer Science or related discipline. 7+ years experience designing and building robust, scalable, distributed data systems and pipelines, using open source and public cloud technologies. Strong experience with data orchestration tools: e.g. Apache Airflow, Dagster. Experience with big data storage and processing technologies: e.g. DBT, Spark, SQL, Athena ...

Senior AI Engineer — Reasoning & Decision Systems

Location
Greater London, England, United Kingdom
data.Data governance and security in regulated environments.Temporal data, knowledge graphs or semantic modelling.Model adaptation, fine-tuning or feedback-driven improvement.Contributions to applied research or open-source engineering. #J-18808-Ljbffr ...

Sr. Network Engineer - Data Center and Cloud (Hybrid, London)

Location
Greater London, England, United Kingdom
/GCP/OCI/Azure (Professional) Certifications Hyperscaler/CSP background (AWS, GCP, MSFT, OCI or similar) OpenStack/SONiC/Whitebox, FRR, open source network infrastructure experience AI/GPU cluster networking fabrics (RDMA, RoCE, InfiniBand) UK Government, G-Cloud, or Sovereign cloud experience Benefits ...

VP, Head of Data Science

Location
Greater London, England, United Kingdom
that supports their use. This helps build trust in our tools, why they work and shows how they can be applied. We build on open‐source AI software, including LiteLLM and OpenWebUI, to maximise the internal value of AI and build durable institutional capability. Reliability, cost control, observability ...

Senior Software Engineer - Edinburgh

Hiring Organisation
Perk
Location
Edinburgh, Midlothian, United Kingdom
Salary
£ 70 K
suiteExperience working with high-performing, Agile development teamsPeople who like to build stuff (we really like people who maintain/contribute to open source projects)What do we offer ð A competitive compensation package, including equity options in Perk;ð 25 days annual leave plus bank holidays ...

Principal AI Engineer

Location
Greater London, England, United Kingdom
embedding models Experience with model serving frameworks (vLLM, TensorRT, Ray) Experience with A/B testing and experimentation frameworks for AI features Contributions to open‐source ML projects or research publications Experience with model observability tools (LangSmith, W& B;, MLflow) Our Commitment to Diversity, Equity, Inclusionand Belonging (DEIB ...

AI Engineers

Location
Greater London, England, United Kingdom
agent frameworks. Experience with Azure or AWS, containers, on-premise deployments, multi-tenant systems, privacy controls or audit logging. Experience with embeddings, fine-tuning, open-source models or applied research when these are the right tools for a product problem. Perks and Benefits Benefits include private medical insurance ...