326 to 350 of 499 Remote/Hybrid Open Source Jobs

Senior Performance Engineer | AI Infrastructure | Cambridge (Hybrid) |

Hiring Organisation
Pure Resourcing Solutions
Location
Cambridge, Cambridgeshire, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £120,000 per annum
rather than essential: a postgraduate degree and research background (publications welcome), real depth on inference serving frameworks like vLLM, a stats background, and any open source or research contributions. Why look twice at this one It's a rare early seat at something with genuine backing and genuine ...

Full Stack Software Engineer

Hiring Organisation
Fruition Group
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
Augmented Generation (RAG), vector databases, or embeddings Experience with cloud platforms (AWS preferred) Awareness of emerging AI tooling (e.g. MCP, A2A, Threads or similar) Open-source contributions or side projects, particularly involving scalable systems or AI This role is best suited to software engineers who enjoy building reliable ...

Senior Salesforce Developer (Temporary)

Location
Greater London, England, United Kingdom
fit. Technology Stack On the Salesforce side, we follow an unlocked packages strategy across 20+ packages. Our code is built on open-source Apex design pattern frameworks (FFLIB and AT4DX), with high, meaningful Apex test coverage — though we default to Flow wherever possible. While Salesforce is the primary ...

Senior Private Cloud Engineer

Hiring Organisation
ARM
Location
Cambridge, Cambridgeshire, UK
Employment Type
Full-time
Grafana)!Exposure to large-scale or multi-tenant environments. Exposure to GitOps driven and CI/CD pipelines (Jenkins, ArgoCD. FluxCD, etc)Contribution to Open Source projects! In Return: You will work on a modern internal platform used by engineering teams across the organization and globe. You will ...

Senior Software Engineer C Linux Networking - Remote

Hiring Organisation
Saxon Recruitment Solutions
Location
Edinburgh, UK
Employment Type
Full-time
etc5+ years relevant experience with the ability to write quality C code under Linux with a good understanding of this OS and open source software development, debugging. It would be useful if you have some knowledge of the following : Knowledge in software development of Data Forwarding paths (Software ...

Senior Backend Engineer

Location
Greater London, England, United Kingdom
these as well, even better... You have some personal projects on the go (maybe you write a blog, help with friends' websites, contribute to open source projects etc.) You've worked with LLMs such as Claude, and written your own plugins/skills/agents Through your work ...

Performance Engineer, Containers/Serverless

Location
Greater London, England, United Kingdom
datasets. Familiarity with RDMA, GPUDirect Storage, or NVMe-oF. Prior work on serverless GPU platforms, model registries, or Kubernetes-based ML infrastructure. Contributions to open-source storage, ML runtime, container, or kernel projects. Background in performance engineering on bare metal - not just clouds where someone else owns ...

Machine Learning Scientist

Hiring Organisation
Appcast
Location
Hove, East Sussex, UK
technologies and machine learning solutionsDesigning and building complex models or algorithms capable of operating autonomously on large datasetsFinding, assessing and adapting solutions from the open-source ecosystemPay, Benefits and CultureAlongside a competitive starting salary, potential for an annual bonus, and a market-leading pension scheme, your package will ...

Principal AI Architect (Google Cloud)

Hiring Organisation
Datatonic
Location
London, UK
Employment Type
Full-time
production. Deep understanding of AI evaluation methodologies and guardrail implementations. Frameworks & Tools: Hands-on experience with agentic frameworks (Google ADK, LangGraph), LLMs (Gemini, Claude, open-source), cloud and database architecture (Cloud SQL, Firestore, BigQuery, Postgres), and AI security & observability (OpenTelemetry, guardrails, LLM gateways).Data & Workload Orchestration: Mastery ...

Managing Consultant - C&M - Google Cloud (Technical Lead)

Location
Greater London, England, United Kingdom
above, we would be thrilled if you also had: Knowledge of other cloud platforms Automation DevOps experience using Google tech like Cloud Build and open source tech like terraform We know the skill-gap and ‘somewhat need to tick every box’ can get in the way of meeting ...

Forward Deployed Software Engineer - UK Government

Hiring Organisation
Appcast
Location
London, UK
solution, from high-level system design and prototyping to application development and data integration. As an FDSE, you leverage everything around you: Palantir products, open source technologies, and anything you and your team can build to drive real impact.You work with customers around the globe, where you gain ...

Staff Software Engineer

Location
Greater London, England, United Kingdom
with a growth mindset - able to tackle entirely novel challenges that lack prior precedent through applying strong fundamentals and first principles thinking. Familiarity with open-source technology and a desire to explore and experiment with new solutions. Experience building 0-1 with a strong product sense. Excellent communication ...

Staff Software Engineer

Location
Newcastle upon Tyne, England, United Kingdom
with a growth mindset - able to tackle entirely novel challenges that lack prior precedent through applying strong fundamentals and first principles thinking. Familiarity with open-source technology and a desire to explore and experiment with new solutions. Experience building 0-1 with a strong product sense. Excellent communication ...

Product Strategy - Office of the CEO

Location
Greater London, England, United Kingdom
platforms) to evaluate trade-offs, challenge engineering assumptions, and conduct due diligence.* **Commercial & Financial Acumen:** Deep command of tech monetization models (SaaS, consumption, platform, open source) paired with strong financial modeling (M&A, scenario modeling, ROI).* **Problem-Solving & Influence:** First-principles thinker who can structure ambiguous problems ...

Senior AI Engineer

Location
Greater London, England, United Kingdom
what changed because of your work, that’s a flag. The right technical toolkit. Strong Python, hands‐on experience with LLMs (OpenAI, Anthropic, opensource), agent frameworks, RAG pipelines, vector databases, and backend infrastructure like FastAPI, Postgres, and ElasticSearch, or close enough that the gaps close fast. Domain ...

Senior Solutions Engineer

Location
United Kingdom
applications, or MCP-based tooling, not just using themi hadHave experience selling or consulting into Financial Services, Insurance, or other regulated enterprise sectorsContribute to open-source projects or are an active voice in the developer/security/AI communityGenuinely enjoy deconstructing "unsolvable" organisational problems within a collaborative ...

Senior Security Consultant

Hiring Organisation
Leonardo DRS
Location
Edinburgh, UK
Employment Type
Full-time
lifecycle. Managing risks and services in accordance with customer, regulatory and legislative expectations. Experience outside of traditional enterprise IT scenarios extending to proprietary and open-source software, firmware and electronic hardware. Exposure to product architectures, encapsulating technologies such as electro-optics, radars, lasers. Exposure to Operational Technology ...

Senior Crypto Threat Analyst - Terrorism

Hiring Organisation
Appcast
Location
London, UK
based intelligence reports for both technical and non-technical audiencesCapable of using Python, SQL, or AI-assisted querying to extract and analyze blockchain or open-source dataA strong analytical mindset with excellent judgment when handling sensitive or uncertain intelligenceA collaborative and proactive approach, comfortable working across global, interdisciplinary ...

Senior Crypto Threat Analyst - Terrorism

Location
Greater London, England, United Kingdom
intelligence reports for both technical and non-technical audiences Capable of using Python, SQL, or AI-assisted querying to extract and analyze blockchain or open-source data A strong analytical mindset with excellent judgment when handling sensitive or uncertain intelligence A collaborative and proactive approach, comfortable working across ...

Front Office Developer

Location
Greater London, England, United Kingdom
support each other.Most systems are distributed solutions utilising Angular, WebAPI, C# and relational databases (Oracle or SQL Server), however we are bursting into more open source tech as needed.**What we are looking for...**We have an opening for someone talented to join our commercial-facing Front Office ...

Full Stack Software Engineer - Application Development

Location
Greater London, England, United Kingdom
Typescript, React, and GQL are central to our frontend development. Blueprint as a re‐usable front end component library. A combination of opensource and internal technologies that suit the problems at hand. Industry‐standard build tooling, including Gradle, Webpack, GitHub, and CircleCI. What We Value Passion ...

Senior Security Engineer Crypto

Hiring Organisation
Appcast
Location
London, UK
small team carrying real regulatory scope. PCI-DSS, PCI PIN, DORA and GDPR are constraints on the work, not optional context.Nice to have:Open source contributions or side projects, we would like to see how you write code before the technical interview.Payments industry experience (card acquiring, issuing ...

AI/ML Engineer - Controllable Biology

Location
Greater London, England, United Kingdom
quantitative or computational field.Knowledge of systems biology , disease biology, molecular biology and biochemistry .Peer-reviewed publications in major AI conferences.Track record of contributing to open-source projects.#GSK-LIWork Arrangements:The role is h ybrid , requiring on-site work 2 days per week. Remote or fully home-working arrangements ...

Mid-Level Backend Engineer - Driver Squad

Location
Greater London, England, United Kingdom
knowledge of Go, TypeScript, and AWS. Exposure to logistics, mobility or operational‐domain systems. Evidence of self‐directed learning, such as personal projects or open source contributions. Technologies We Use Golang AWS, CDK (TypeScript), Lambda, SQS, EventBridge, RDS (PostgreSQL) React, React Native GitHub, GitHub Actions Grafana, Loki Claude ...

Enterprise Architect - Digital Backbone & Digital Experience

Location
Luton, England, United Kingdom
evidence rather than hype, using proportionate proof‐of‐value activity and clear adopt, trial, watch or avoid recommendations. Maintain awareness of relevant vendor, opensource and industry direction, incorporating it into domain standards and roadmaps where it earns its place. Roadmaps and long‐term planning Own and maintain ...