151 to 175 of 193 Remote Open Source Jobs

Founding Infrastructure Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
building a lakehouse-native graph engine with git-style workflows. Branch, commit, and merge typed graph data like code. Multi-modal, self-hosted, open source — optimized for on-prem and hybrid context graphs, multi-agent research, and enterprise knowledge systems.We believe graphs aren't just a database choice … cyber* A track record designing systems for reliability, correctness, and clear failure semantics* Agent-native — you live in Claude Code/Codex/Open Code and orchestrate agents to scale your work* High agency, high ownership — you don't wait, you ship## Nice to have* Object-storage internals ...

R-03 AI / Agents Engineer (Anthropic + OpenAI) 6+ yrs · India · UK · Remote · Full-time VIEW ROLE →

Hiring Organisation
Jobleads-UK
Location
United Kingdom
real harness. Comfortable cost‐modelling agent loops in tokens. Can predict spend on a 100K‐resolution/month workload before deploying. NICE TO HAVE Opensource contributions to LangChain, LlamaIndex, Anthropic SDK, Instructor, or DSPy. Public writing on agent/RAG architecture. Experience with regulated‐industry deployments (legal ...

Machine Learning Researcher

Hiring Organisation
Generative
Location
London Area, United Kingdom
quality code Experience with Linux, Git and HPC/cloud platforms [suggestion: experience in scientific/simulation domains, and evidence of impact through publications, open source or applied research] Compensation & Benefits Competitive base salary Generous equity, with performance- and scope-based additional awards Benefits package ...

Research Engineer

Hiring Organisation
Jobleads-UK
Location
Oxford, England, United Kingdom
large‐scale models. The ability to translate research into a product vision and carry it through to delivery. Nice to have Computer vision experience. Opensource contributions. Applied research that shipped into a product. Soft skills Commercial thinking: an instinct for connecting research effort to product value ...

Senior Machine Learning Researcher

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
versioning). Nice to Have Experience in finance, trading, or quantitative research (not required). Publications, competition results (e.g., Kaggle, academic ML contests), or open-source contributions. Familiarity with C++, CUDA, or low-latency systems. Benefits Opportunity to work at one of the world's leading algorithmic trading ...

Software Engineer JBLE1 NI

Hiring Organisation
Ocho
Location
Belfast, UK
Tailwind Strong understanding of version control using Git Nice to Have: Experience with AWS CDK or other infrastructure as code tooling Contribution to open source projects Exposure to cloud native or distributed systems architecture Why Apply? Salary up to £47,000 Hybrid working with a Belfast base Part ...

Account Executive, International Defence

Hiring Organisation
Jobleads-UK
Location
United Kingdom
influencers, and budget decision makers)* Exceptional communication skills for establishing clear value propositions through customer conversations, presentations, and written proposals.* A good understanding of open source information for public sector benefit, and possession of appropriate security clearance to operate within the client base* Willing to travel ...

Staff Software Engineer - Storage

Hiring Organisation
Jobleads-UK
Location
Cambridge, England, United Kingdom
software on the company servers, Improve code quality through testing, working with the QA team to automate CI/CD pipelines, Chip in to open-source projects by developing, upstreaming, and maintaining code, Mentor others and grow the team's capabilities. Required Skills and Experience : Highly proficient ...

AI Research Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
only platform that acts like a co-pilot for you (and your AI agents) to do it all – autonomously. We started with open-source product analytics, launched out of Y Combinator's W20 cohort. We've since shipped more than a dozen products, including: PostHog Code, the only ...

Forward-Deployed Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
replaced legacy systems. Have worked with micro‐frontends, module federation, or multi‐team frontend architectures. Have contributed to the Next.js, React, or AI SDK opensource projects, or maintain popular related libraries. Have experience with enterprise deployment patterns including security reviews, compliance requirements, and multi‐region architectures. Have ...

Mid-Level Backend Engineer (Driver Squad)

Hiring Organisation
Jobleads-UK
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 ...

SC needed Fully Remote Solution Architect - AWS/Data/Event Driven Architecture/App/Dev Background

Hiring Organisation
Scope AT Limited
Location
United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Clearance ideally with strong Data Platform experience, Integration Architect experience, Application and Technical Architect skills. Skills AWS site and AWS preferred. Kafka ideal. Opensource Technologies. Experience from large scale CRM data platform environments (any massive customer database exposure). A range of Solution, Application, Application Integration, with any Cloud ...

AI Solutions Manager

Hiring Organisation
Primis
Location
United Kingdom
Backed by top-tier investors including TCV, Battery Ventures, Foundation Capital, OMERS, and strategic backers like Datadog and PagerDuty Built on a foundation of open source — the team maintains a widely-used community observability tool Leadership includes former builders of deep learning infrastructure, autonomous drone systems, ridesharing marketplaces … EMEA customer engagement What's on offer Highly competitive basic salary & OTE opportunity Comprehensive benefits including medical, dental, vision Unlimited PTO and a genuinely open vacation policy Generous parental leave (up to 12 weeks at 100% salary) Professional development and WFH stipends Sabbatical leave policy Wellness days ...

T-ISAC Platform Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
skills with the ability to analyse cyber‐security intelligence. Essential Extensive experience building and implementing intelligence platforms (e.g. OpenCTI, MISP). Experience using collaborative opensource tools for analysis and research. Understanding of Nation‐State Actors, Cyber Crime, Hacktivism and advanced threat actor TTPs. Experience in cybersecurity intelligence ...

RHEL Engineer

Hiring Organisation
Teksystems
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £500/day
automated testing. experience designing, implementing, and supporting large-scale Infrastructure-as-a-Service (IaaS) platforms. Knowledge of virtualisation, private cloud technologies, and container platforms. Open-source project contribution experience. Exposure to additional programming languages such as Perl, C, or C++. Why Work Here? This role offers the opportunity ...

Senior Commercial Counsel - EMEA (Remote in UK) (977-SLS)

Hiring Organisation
Jobleads-UK
Location
United Kingdom
partners, and resellers across multiple jurisdictions. Strong understanding of commercial legal issues related to SaaS and software licensing (i.e., data privacy, security, intellectual property, open-source, revenue recognition, and tax), professional services and other go-to-market programs (such as partner/reseller programs). Excellent judgement, strong ...

Founding Head of Public Sector

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
coding assistant, but our own models, agent stack, eval harnesses, and product layer. We build our agent tooling entirely in-house and post-train open-source models to deliver reliable, enterprise‐grade coding performance in security‐critical settings. Our offerings can be used as SaaS, deployed … repeatable commercial narratives. Priority areas to explore include: Secure AI coding and software engineering inside sensitive or regulated public sector environments. AI adoption where source code, credentials, data, or infrastructure cannot leave the customer’s control boundary. Legacy system modernisation and maintenance. Software assurance, auditability, testing, review, and governance. ...

GenAI Solutions Lead | Hybrid Enterprise AI

Hiring Organisation
Jobleads-UK
Location
Urmston, England, United Kingdom
delivering business value through AI-enabled solutions in operational domains. You will design, develop, and deploy enterprise-grade GenAI solutions using RAG, Prompt Engineering, Open-Source LLMs, LangChain, and related frameworks; lead programs and mentor teams while aligning with Capgemini's global AI4OPS strategy. #J-18808-Ljbffr ...

Senior Linux GPU Driver Engineer (Hybrid)

Hiring Organisation
Jobleads-UK
Location
Cambridge, England, United Kingdom
will work in a collaborative environment across Arm's European design centres, enjoying training and support while tackling challenging technical problems and helping drive open-source graphics DRM drivers forward. #J-18808-Ljbffr ...

Senior Load Balancer Engineer - eBPF/Kubernetes (Remote Europe)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
traffic management across cloud-native environments. Join a collaborative team focused on high availability, performance, and secure networking in modern Kubernetes deployments, contributing to open-source #J-18808-Ljbffr ...

Senior Data Scientist

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
build client relationships and shape project scope for technical feasibility. Contributing to Faculty’s thought leadership and reputation through delivering courses, public speaking, or opensource projects. Ensuring best practices are followed throughout the project lifecycle to guarantee high‐quality, impactful delivery. Who we're looking ...

Founding Engineer - Early Careers

Hiring Organisation
Tracebit
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £70,000 per annum
known language, and is genuinely curious about how things work under the hood. Has built things they're proud of - side projects, open source, hackathons... And is excited by the pace and rate of change that is inevitable in any successful, early stage startup. Gets their energy from ...

Senior Go Engineer (Remote) for Distributed MongoDB Tools

Hiring Organisation
Jobleads-UK
Location
United Kingdom
replication to backup and recovery, with emphasis on high performance and reliability. You will design and optimize replication engines, improve fault tolerance, contribute to open-source projects, and collaborate via GitHub. #J-18808-Ljbffr ...

Senior Data Scientist | AI Lead & Team Mentor (Hybrid)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
strong client relationships. You will define data science approaches, design robust software architectures, and contribute to Faculty’s thought leadership through courses, talks, or opensource projects. The role requires leadership and hands‐on technical excellence. #J-18808-Ljbffr ...

Data Infrastructure Engineer (OpenSearch/Elasticsearch) - Remote

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Elasticsearch. The role is London-on-site and involves building enterprise automation for data platforms, collaborating with an internationally distributed team, and contributing to open-source communities. You will write Python, work on data stores, and participate in cloud/on-prem solutions. Travel for internal and external ...