51 to 75 of 1,245 Open Source Jobs

Senior Software Engineer, Git Systems

Location
United Kingdom
GitHub is the world’s leading AI‐powered developer platform with 150 million developers and counting. We’re also home to the biggest open‐source community on earth (and 99% of the world’s software has open‐source code in its DNA). Many … built on GitHub. Our teams are dreamers, doers, and pioneers, leading the way in AI, driving humanitarian efforts around the globe, and even sending open source to Mars (and beyond!). At GitHub, our goal is to create the space you need to do your best work. ...

Staff Software Engineer, Traffic Team

Location
United Kingdom
GitHub is the world’s leading AI-powered developer platform with 150 million developers and counting. We’re also home to the biggest open-source community on earth (and 99% of the world’s software has open-source code in its DNA). Many … built on GitHub. Our teams are dreamers, doers, and pioneers, leading the way in AI, driving humanitarian efforts around the globe, and even sending open source to Mars (and beyond!). At GitHub, our goal is to create the space you need to do your best work. ...

Open Source DevOps Engineer (Python/Golang) – Cloud & Linux

Location
Greater London, England, United Kingdom
Canonical is a leading provider of open source software and operating systems, with Ubuntu at the core of cloud, AI, and data initiatives. We seek a software engineer to lead a regional team in delivering Python and Go based open source operations code across the Linux ...

Graduate Software Engineer, Open Source and Linux, Canonical Ubuntu

Location
United Kingdom
About the role Canonical is a leading provider of open source software and operating systems. This role is for 2025 and 2026 graduate software engineers joining engineering teams worldwide, working from home with some in-person team sprints and mentoring. What you'll do Write high quality, resilient … global sprints every six months Focus on design and user experience for developer tooling and command line apps Engage with users and the open source community through code reviews and issue trackers Collaborate with teams across Linux system areas from BIOS to desktop applications What they're looking ...

Platform Engineer

Location
United Kingdom
difference? We invite you to be part of our agile team, helping public sector clients build and continuously improve digital services using the best open-source software. We are looking for experienced Platform Engineers, who are ready to roll up their sleeves and dive into challenges. Quick learners … supportable, sustainable and reliable services. You’ll work with great technology – the UK Government has an IT strategy based on user centric design, modern open source technology, continuous integration/delivery and modern software architectures such as microservices and cloud technology to name but a few. ...

Infrastructure and Network Engineer

Location
Cambridge, England, United Kingdom
SAML or OIDC), SCIM provisioning, and multi‐factor authentication, including security keys Experience running backup and recovery, including regular restore testing A preference for open‐source tools, with a sound understanding of security fundamentals Good documentation habits Experience in the following would also be beneficial: Designing and building … networks from scratch Using open‐source monitoring tools, such as Prometheus and Grafana Contributing to open‐source projects We offer employees the following benefits: Employer pension contributions of 8% when the employee contributes 4% of their gross salary into the company salary sacrifice pension plan Life ...

Software Engineering Manager (Backend SaaS)

Location
Greater London, England, United Kingdom
Software Engineering Manager (Backend SaaS) Canonical · London Licensed sponsor London On-Site Likely to sponsor About the role Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives … organisation Build automated, highly reliable image delivery, testing and publication pipelines Engage with many other teams at Canonical, as well as the open source community and commercial partners Work from home with global travel 4‐6 weeks per year for internal and external events Valued skills and experience ...

Senior Quantum Software Engineer

Location
Greater London, England, United Kingdom
growing user community. The main responsibilities include: Lead the strategy and design of ORCA's SDK and developer APIs that enable customers, ISVs and open-source community to build, deploy and integrate hybrid quantum classical applications in on-prem and as-a-Service environments using ORCA's photonic …/or HPC (CUDA, multi-GPU, accelerated simulation). Experience with quantum software frameworks (CUDA-Q, PennyLane, Qiskit, etc.). Experience releasing and maintaining open-source software and growing a developer community around it. Experience integrating scientific software with AI/ML tooling. Previous ownership of customer-facing ...

AI Technical Innovation Lead

Location
Cambridge, England, United Kingdom
style integrations, AI coding assistants, and agentic use cases. Contribute to Arm’s emerging technical AI roadmap by assessing models, frameworks, whitepapers, open-source projects, and ecosystem shifts, including areas beyond standard enterprise AI. Lead AI experimentation and incubation, testing new ideas and turning the most promising into … understanding of AI architecture, cloud platforms, APIs, model‐agnostic design, reusable frameworks, and scalable AI engineering practices. Demonstrated ability to turn emerging research, whitepapers, open‐source developments, and new tools into practical, high‐value solutions, moving from concept to MVP and production while balancing speed, engineering quality ...

Systems and Integration Engineer

Location
Cheltenham, England, United Kingdom
complex technical problems cleanly and reliably. We have broad autonomy to pick the right tool for the job, whether that is deploying cutting‐edge open‐source projects, engineering enterprise Windows and Linux systems, or writing custom integrations to tie disparate platforms together. Whether your background is rooted … Linux (RHEL, Ubuntu, Debian) or Windows (Active Directory, PowerShell, Core Services). Prototyping: Curiosity and confidence when exploring unfamiliar tools. Comfortable picking up new open‐source or enterprise technologies, experimenting in a test environment, and building Proofs of Concept to see what works. Network Fundamentals: Strong grasp ...

Regional BDR Team Manager

Location
Douglas, Northern Ireland, United Kingdom
Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. Our customers include the world's leading … skills as well as those of your team, and enjoy learning about new technologies. Canonical is fortunate to represent the vast wave of open source innovation, which means it has a large and rapidly growing range of solutions it can deliver to customers, and ample opportunity ...

Enterprise Account Executive - Northern Europe

Location
Greater London, England, United Kingdom
orchestration of your wildest imagination. n8n is the open workflow orchestration platform built for the new era of AI. We give technical teams the freedom of code with the speed of no-code, so they can automate faster, smarter, and without limits. Backed by a fiercely inventive community … work smoothly with SE/CS/Marketing/RevOps and elevate the whole deal team, not just your own activity Nice-to-haves Open‐source/community experience: You’ve sold in or alongside open‐source ecosystems and understand bottoms‐up adoption and PLG signals ...

Technical Product Manager - GenAI Platforms - Agentic Infrastructure - CTO Office London, GBR P[...]

Location
Greater London, England, United Kingdom
prototype the next generation of infrastructure, hardware, and applications that power the Bloomberg Terminal and beyond. Our work spans AI platforms, cloud infrastructure, open‐source stewardship, and generative AI innovation. For over a decade, Bloomberg has been at the forefront of applying AI, ML, and NLP to financial … trust you to Define and drive the vision for Bloomberg’s Agentic Infrastructure, with a focus on agentic control planes Translate emerging open source & industry standards into production‐ready, enterprise‐grade infrastructure capabilities Collaborate across Bloomberg’s AI platform teams to integrate agentic capabilities that support experimentation ...

Technical Product Manager - GenAI Platforms - Agentic Infrastructure - CTO Office

Location
Greater London, England, United Kingdom
prototype the next generation of infrastructure, hardware, and applications that power the Bloomberg Terminal and beyond. Our work spans AI platforms, cloud infrastructure, open-source stewardship, and generative AI innovation. For over a decade, Bloomberg has been at the forefront of applying Artificial Intelligence … trust you to Define and drive the vision for Bloomberg’s Agentic Infrastructure, with a focus on agentic control planes Translate emerging open source & industry standards into production-ready, enterprise-grade infrastructure capabilities Collaborate across Bloomberg’s AI platform teams to integrate agentic capabilities that support experimentation ...

Data and AI - AI Engineer

Location
City Of London, England, United Kingdom
This role is intentionallyplatform-agnostic . While experience with tools such as Anthropic Claude, OpenAI models (e.g. Codex/GPT), and other frontier or open‐source LLMs is valuable, we are primarily looking for individuals whounderstand core AI engineering principles and can apply them across ecosystems. This … client-facing or consulting environments, as well as leadingteams andprojects Strong communicationand stakeholder management skills Experience across multiple AI platforms (e.g., Claude, GPT, open-source models) Familiarity with orchestration frameworks (LangChain,LlamaIndex, etc.) Experience optimising AI systems for performance, cost, and reliability Knowledge of enterprise architecture and regulated ...

Senior Developer Advocate - Data Observability

Location
Greater London, England, United Kingdom
more mediums to build Datadog's reputation as a leader in data engineering and observability e.g. building demos, public speaking, blogging, documentation, webinars, open source, research reports and more Partner with and coach internal product and customer engineering teams on effective public communication and presentations for the work … systems 3+ years of experience in advocacy, developer relations, or equivalent experience reaching technical audiences through written content, conference talks, workshops, webinars, videos, or open‐source contributions Publicly available writing samples, demos, repositories, or recordings of technical presentations Familiarity with modern cloud infrastructure and container‐based systems ...

Project Manager - Ubuntu Embedded Systems

Location
Greater London, England, United Kingdom
Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. Our customers include the world's leading … with resources in Asia, Europe, and the Americas Educational degree preferably in Science, Technology, Engineering, or Math Good knowledge of Linux and the wider Open Source Software community, and understanding of computer architecture Excellent communications skills, both verbal and written, in English Strong leader and problem solver with ...

Lead Software Engineering- Java/Python

Location
Glasgow, Scotland, United Kingdom
solutions across multiple technical areas within various business functions in support of the firm's business objectives. In this role you own our public open-source presence on github.com/JPMorgan-payments, the shopfront external developers clone from and integrate against, where our published agent skills have taken … that let external developers drive JPMorgan Payments capabilities from their own AI tooling Builds the paved road for external SDK and library publication under Open Source Governance, taking pilot products from internal repository to public package manager, and hardening each step into a repeatable default that satisfies outbound ...

Full Stack Engineer

Location
Greater London, England, United Kingdom
distributed systems that process healthcare data at scale. You’ll work across the full technology stack, integrating with third-party platforms, cloud services and open-source technologies to deliver resilient, secure and scalable software. What You’ll Do Design, build and maintain distributed web applications and backend services. … Develop features across frontend, backend, APIs and infrastructure. Integrate with third-party vendor platforms, healthcare systems and open-source technologies. Design scalable APIs and data models. Build and operate cloud-native services on AWS and Kubernetes. Drive software quality through testing, observability and operational excellence. Contribute to architectural ...

Applied AIML Lead Research Engineer

Location
Auchentibber, Scotland, United Kingdom
will lead applied research that positions the team for capabilities we will need over the coming years. You will evaluate and prototype emerging techniques (open-source LLMs, fine-tuning, efficient inference, and multimodal models) and bridge them into production-grade capabilities, working closely with the team's engineers … integral part of the IPB Tech AIML team, reporting to the Head of AI, IPB Tech. Job responsibilities Leads applied research into open-source LLM evaluation and deployment for cost, sovereignty, and data-residency optionality Runs fine-tuning work for tone, lexicon, and domain-specific tasks that ...

Data Pipeline Engineer

Hiring Organisation
ISR RECRUITMENT LIMITED
Location
Nationwide, United Kingdom
Employment Type
Contract
Contract Rate
£475 - £525/day (Outside IR35)
Opportunity: We are supporting a central government client who are seeking an experienced Data Pipeline Engineer and Architect to help design and build an open-source Data Transformation Layer for a national data exchange platform. This is a hands-on engineering and architecture role, combining the design … reusable, reliable data pipelines with practical development using Apache NiFi, RDF, SPARQL, Python and Java. The platform will use open-source, cloud-agnostic technologies to ingest, transform, validate and exchange data securely between systems. Skills and Experience: Proven experience designing and delivering data integration or ETL solutions using ...

AI Research Scientist

Location
Rochdale, England, United Kingdom
Applied research, not ivory tower. You pick problems where a well-run experiment measurably moves a real product, and you publish and open-source the parts that make the field better. What you\'ll build Novel retrieval, evaluation and agent techniques with production applications. Internal benchmarks that outlive … single project. Papers, posts and open-source releases that shape our external voice. Requirements PhD or equivalent industry track record in ML/NLP/IR. Publications, patents or open-source with real impact. Strong engineering — you can ship, not just prototype. Right to work ...

Senior Software Engineer - Python/MongoDB

Location
Greater London, England, United Kingdom
enabling high-performing, rock-solid MongoDB deployments on any cloud or platform our customers choose. We want to create the world's best open source analog to MongoDB Altas or Amazon DocumentDB, which can be owned, controlled and operated by end-users on their own multi-cloud … Linux systems administration, operations, and package management. You are passionate about quality and automatic testing. Work with one of the industry's pioneers in open source with intelligent engineers at every level from engineer to CTO and CEO level. At Canonical we've honed our remote-first culture ...

Azure Generative AI Solution Architect

Location
City Of London, England, United Kingdom
work with customers from ambiguous early-stage ideas through architecture, proposal, governance and delivery, going deep on the Azure AI platform while bringing in open-source technologies where they provide the best solution. What You'll Do Architect end-to-end Generative and Agentic AI solutions on Azure … open-source technologies, owning technology choices and trade-offs. Lead discovery with clients, turning unclear or evolving requirements into defined problems, architectures and delivery plans. Advise customers on risks and challenges they haven't yet spotted, and on the questions they should be asking. Embed AI governance ...

Software Engineer, Internship - Query Engines

Location
Greater London, England, United Kingdom
partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role We are a software engineering team applying open-source data technologies to some of the world's hardest and most important problems. We build the data processing infrastructure that underpins Palantir Foundry … execute, and how data is read and written efficiently. We build on and extend Apache Spark, Apache DataFusion, and Apache Iceberg, bringing advances in open-source engines and table formats into the demanding environments our customers operate in. Our work serves many products and workloads across Foundry, including ...