1 to 25 of 404 Open Source Jobs

Principal Security Researcher

Hiring Organisation
GitHub
Location
United Kingdom
United Kingdom Overview GitHub is seeking a Principal Security Researcher to join the GitHub Security Lab team and help shape the future of our Open Source Security organization. In this critical leadership position, you’ll drive the security research agenda, inspire and coach other security researchers, and influence … solutions from GitHub and partners that make a real impact on the open source software we all depend on. We’re looking for someone with deep expertise in code security and supply chain security. You have a proven track record of finding security vulnerabilities, of building security tools ...

Senior Software Engineer - AI Eval & Safety

Hiring Organisation
Red Hat, Inc
Location
Dublin, Ireland
Employment Type
Permanent
Salary
EUR Annual
generation of hybrid cloud MLOps platforms. In this role, you'll be contributing as a technical infrastructure expert for responsible AI features of the open source Open Data Hub project by actively participating in KServe, TrustyAI, Kubeflow, and several other open source communities. You will … architecture and implementation of MLOps/LLMOps systems within OpenShift AI, establishing best practices for scalability, reliability, and maintainability while actively contributing to relevant open source communities Design and develop robust, production grade features focused on AI trustworthiness, including model monitoring, bias detection, and explainability frameworks that integrate ...

Senior Backend Engineer - Mimir | UK | Remote

Hiring Organisation
Grafana Labs
Location
United Kingdom
Grafana Labs is a remote-first, open-source powerhouse. There are more than 20M users of Grafana, the open source visualization tool, around the globe, monitoring everything from beehives to climate change in the Alps. The instantly recognizable dashboards have been spotted everywhere from a NASA … metrics (Grafana Mimir), logs (Grafana Loki), and traces (Grafana Tempo). We’re scaling fast and staying true to what makes us different: an open-source legacy, a global collaborative culture, and a passion for meaningful work. Our team thrives in an innovation-driven environment where transparency, autonomy ...

Senior Software Engineer, DevOps - (Waterford, Ireland)

Hiring Organisation
Red Hat, Inc
Location
Waterford, Ireland
Employment Type
Permanent
Salary
EUR 60,000 - 80,000 Annual
# Company Description At Red Hat, we connect an innovative community of customers, partners, and contributors to deliver an open source stack of trusted, high-performing solutions. We offer cloud, Linux, middleware, virtualization, and AI technologies, together with award-winning global customer support, consulting, and implementation services. … rapidly-growing company supporting more than 90% of Fortune 500 companies. Job SummaryAt Red Hat, our commitment to open source innovation extends beyond our products - it's embedded in how we work and grow. Red Hatters embrace change - especially in our fast-moving technological landscape - and have ...

Senior Software Engineer - KubeVirt DevOps

Hiring Organisation
Red Hat, Inc
Location
Waterford, Ireland
Employment Type
Permanent
Salary
EUR 65,000 - 85,000 Annual
Posted Todayjob requisition id: R-052161The Red Hat Engineering team is looking for a Senior Software Engineer to join the KubeVirt project and its open-source CI. In this role, you will join the local experts for continuous integration (CI) and DevOps productivity tools. You'll interact with … technologies in the market today like Red Hat OpenShift, Kubernetes, Prow, Jenkins, Podman/Docker, Python, bash and GoLang. Develop, operate, maintain and use open-source CI systems for the use of the product development teams Drive CI and CD-related projects and communities using Prow, Kubernetes, Tekton ...

Senior Software Engineer - Ansible (Waterford Office, Ireland or Brno Office, Czech Republic)

Hiring Organisation
Red Hat, Inc
Location
Waterford, Ireland
Employment Type
Permanent
Salary
EUR 60,000 - 85,000 Annual
/CD systems like Jenkins and GitHub Actions Experience working on large-scale projects utilizing version control (we use Git and GitHub/GitLab), open-source experience is a plus Demonstrated ability to quickly and accurately troubleshoot system and performance issues Interest in participating in the software design … requirements of their role. Red Hatters are encouraged to bring their best ideas, no matter their title or tenure. We're a leader in open source because of our open and inclusive environment. We hire creative, passionate people ready to contribute their ideas, help solve complex problems ...

Software Engineer: Third-Party Dependencies and Tooling

Hiring Organisation
Lumirithmic
Location
London Area, United Kingdom
that must be stable, compliant, and well-maintained. Blender is our core, mission-critical tool for data creation, supported by an extended stack of open-source components. The reliability and predictability of this ecosystem directly impact the success of our production workflows and research. This role sits … practical experience. 3+ years as a Software Engineer focused on infrastructure, build systems, or third-party dependency management. Expertise integrating and maintaining large, complex open-source third-party projects inside a production codebase. Strong experience with C++ and familiarity with Python (especially for scripting and API usage). ...

Machine Learning Engineer (Reinforcement Learning)

Hiring Organisation
FBI &TMT
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
will contribute to the continued development of Arena, the company's web-based platform for reinforcement learning training and RLOps, as well as its open-source reinforcement learning library. In this position, you will be responsible for designing, implementing and maintaining the infrastructure, tools and services that enable … efficiently and at scale. Responsibilities Work closely with the team to understand requirements and design new features for both the Arena platform and the open-source framework. Develop scalable and reliable infrastructure to support reinforcement learning model training, LLM fine-tuning, model deployment, and ongoing management. Integrate existing ...

Senior Product Manager

Hiring Organisation
MariaDB Corporation
Location
Ireland
Employment Type
Permanent
Salary
EUR Annual
database engine, integrated AI capabilities, and high availability solutions. This is an important role at the intersection of distributed systems, OLTP, high availability, and open source innovation. You will contribute to the product direction for our scalable distributed architecture, our core MariaDB based OLTP server, and our synchronous … boundaries of what a database can do. While providing key product support for our core MariaDB based OLTP server, you will collaborate with the open source community that is core to our identity. Your work will empower organizations worldwide to build resilient, high performance applications. Key Responsibilities Product ...

Software Engineering Manager

Hiring Organisation
BT Group
Location
Birmingham, England, United Kingdom
SDLC of a new product/enhancement in existing product in Fixed Networks. Drive complete delivery of a transformation program in SRIMS area utilizing open-source frameworks and tools for Inventory, Planning, Provisioning, Fulfilment and Orchestration. Design and develop solutions using Core Java, JavaScript, Oracle, NoSQL, and modern … suppliers to integrate and deliver robust solutions. Responsible for ensuring application is up to date in terms of patching to ensure lower vulnerabilities, latest open-source software versions, access control policy and align with latest standards in terms of tools and technologies. Accountable for the design and development ...

Software Engineering Manager (Snowhill, Birmingham, United Kingdom)

Hiring Organisation
BT Group
Location
Birmingham, UK
SDLC of a new product/enhancement in existing product in Fixed Networks. Drive complete delivery of a transformation program in SRIMS area utilizing open-source frameworks and tools for Inventory, Planning, Provisioning, Fulfilment and Orchestration. Design and develop solutions using Core Java, JavaScript, Oracle, NoSQL, and modern … suppliers to integrate and deliver robust solutions. Responsible for ensuring application is up to date in terms of patching to ensure lower vulnerabilities, latest open-source software versions, access control policy and align with latest standards in terms of tools and technologies. Accountable for the design and development ...

Agentic AI Engineer Kyndryl Data & AI

Hiring Organisation
Kyndryl
Location
South East, United Kingdom
Employment Type
Permanent
possible and unleash your potential. Why this role matters Youll be part of a fast-moving group shaping Kyndryls Agentic AI Framework an open, modular system that connects data pipelines, LLMs, reasoning engines and orchestration layers to power autonomous solutions across industries. Were not just imagining the future … from proof-of-concepts to AI-native operations Collaborative innovation: Pair with data scientists, architects and platform engineers to deliver integrated, client-ready systems Open-source mindset: Contribute to the evolution of our Agentic AI framework and the wider AI ecosystem What youll do Design and build agentic ...

Software engineering computer science internship: pattern recognition

Hiring Organisation
ASML
Location
Veldhoven, Noord-Brabant, Netherlands
Employment Type
Permanent
Salary
EUR Annual
with high speed and precision. To meet evolving market demands, our software must continuously improve in pattern recognition capabilities. This internship focuses on evaluating open-source alternatives to our current pattern recognition methods and exploring how they can be integrated into our software environment. Your assignment In this … bachelor thesis internship, you will explore the feasibility of replacing or enhancing our current pattern recognition solution with open-source alternatives. You will assess compatibility, performance, and integration strategies, while working closely with your ASML mentor to define the scope of your thesis. Your main responsibilities will ...

Software-Engineer for Sovereign Workspace and AI Platforms - Remote

Hiring Organisation
BasePeak GmbH
Location
Großostheim, Bayern, Germany
Employment Type
Permanent
Salary
EUR 65,000 - 90,000 Annual
Salary: 65.000 - 90.000 € per year Requirements: You have professional experience writing Go Code, maybe even in some (Open Source) cloud native code bases You have experience using Kubernetes and developing/managing applications that run in a Kubernetes environment Experience writing Kubernetes Controllers/Operators … plus You don't shy away diving into existing Open Source code bases and going down rabbit holes to enhance them You're a team player with startup mentality - everyone does everything and everyone has the power to change things Responsibilities: You're responsible for developing our sovereign ...

Senior Software Engineer Go - Isovalent (Europe Remote)

Hiring Organisation
Cisco Systems
Location
Dublin, Ireland
Employment Type
Permanent
Salary
EUR 70,000 - 90,000 Annual
Software Engineer - Go Europe Remote Isovalent, now part of Cisco, is the company founded by the creators of Cilium and eBPF. Cisco Isovalent builds open-source software and enterprise solutions solving networking, security, and observability needs for modern cloud native infrastructure. The flagship technology, Cilium, is the choice … networking and security in Kubernetes environments. What you'll do: Develop high-quality Go and eBPF code for Cilium OSS and Enterprise, while following open source development principles and best practices. Debug, troubleshoot, and resolve performance, reliability, and security issues in the control plane. Design highly scalable solution ...

Software Engineer

Hiring Organisation
KO2 Embedded Recruitment Solutions Ltd
Location
Manchester, England, United Kingdom
Industrial Automation. What You’ll Need Proficiency in C programming Experience with one or more of: C++, Python, Rust, or Java Experience with open source technology suite Knowledge of modern software development practices Strong background in Linux environments About the Team You’ll be working alongside passionate engineers … modern design practices. The role offers involvement across the full software development lifecycle, from concept through to delivery. Experience with embedded software and open-source technologies will help your application stand out. What We’re Looking For This position is ideal for Software Engineers who: Have a genuine ...

Embedded Software Engineer

Hiring Organisation
KO2 Embedded Recruitment Solutions LTD
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£60,000
Automation. What You'll Need Strong proficiency in C Experience with at least one of the following: C++, Python, Rust, or Java Familiarity with open-source technology stacks Understanding of modern software development practices Solid experience working in Linux environments About the Team You'll join a passionate … role, you'll work across the full software development lifecycle - from concept and design through to implementation and deployment. Experience with embedded systems and open-source technologies will give your application an edge. Who We're Looking For This role will suit Software Engineers who: Are genuinely enthusiastic ...

Senior Software Engineer – DevX SCAnS (Developer Experience)

Hiring Organisation
Bloomberg
Location
London, England, United Kingdom
these components come from? How will we know if any are defective? How can we protect Bloomberg from malicious actors while still benefiting from open source? These are the questions you’ll help us answer! The Software Composition Analysis and Security (SCAnS) team in DevX plays a foundational … role in securing Bloomberg’s software supply chain (SSC) by enabling engineers to use open source and third party software safely, in an operationally resilient manner. Our products integrate with build and analysis systems to ensure software component metadata (as SBOMs) is available throughout the SSC to build ...

Senior Sofware Engineer (Localization)

Hiring Organisation
Mozilla
Location
Nederland, Overijssel, Netherlands
Employment Type
Permanent
Salary
EUR Annual
shareholders - only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms. About This Team And Role The Localization Team manages the infrastructure that powers … Senior Engineer, you'll contribute to a range of Mozilla localization projects and technologies - from Pontoon, our Django-based Translation Management System, to open source libraries like moz-l10n. You'll also engage with development of standards such as Unicode MessageFormat and work on internationalization features that shape ...

Storage Engineer

Hiring Organisation
Ncounter LTD
Location
City of London, London, United Kingdom
Employment Type
Permanent
that support critical research and trading workloads. This role offers the opportunity to work on innovative, high-impact projects at the intersection of cloud, open-source, and high-performance computing. The Role: Design and develop scalable data orchestration services across cloud and on-prem environments. Create unified platform … abstractions to streamline data access across diverse storage technologies. Integrate open-source and vendor storage solutions through rapid prototyping and engineering. Optimise storage performance and efficiency across large-scale infrastructure. Collaborate across engineering functions to deliver robust end-to-end platform capabilities. Own operational responsibilities: troubleshooting, performance tuning ...

Platform Storage

Hiring Organisation
Ncounter
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£160,000 - £180,000 per annum
that support critical research and trading workloads. This role offers the opportunity to work on innovative, high-impact projects at the intersection of cloud, open-source, and high-performance computing. The Role: Design and develop scalable data orchestration services across cloud and on-prem environments. Create unified platform … abstractions to streamline data access across diverse storage technologies. Integrate open-source and vendor storage solutions through rapid prototyping and engineering. Optimise storage performance and efficiency across large-scale infrastructure. Collaborate across engineering functions to deliver robust end-to-end platform capabilities. Own operational responsibilities: troubleshooting, performance tuning ...

Machine Learning Engineer at

Hiring Organisation
Jack & Jill
Location
Slough, Berkshire, UK
Employment Type
Full-time
this role, and help you find others if you ask. Machine Learning Engineer Company Description: Cosine.sh is pioneering AI for software engineering, building advanced open-source-based models that empower developers with intelligent, real-world coding capabilities. Job Description: Join Cosine.sh as a Machine Learning Engineer and lead … this role is remarkable: Directly influence the next generation of Lumen Enterprise SWE models used by engineers every day. Operate at real scale: modern open-source models, long-context training, MoE architectures, and multi-node GPU clusters. A true full-stack ML engineering role combining PyTorch, distributed systems ...

Machine Learning Engineer at Cosine.sh

Hiring Organisation
Jack & Jill
Location
London, England, United Kingdom
this role, and help you find others if you ask. Machine Learning Engineer Company Description: Cosine.sh is pioneering AI for software engineering, building advanced open-source-based models that empower developers with intelligent, real-world coding capabilities. Job Description: Join Cosine.sh as a Machine Learning Engineer and lead … this role is remarkable: Directly influence the next generation of Lumen Enterprise SWE models used by engineers every day. Operate at real scale: modern open-source models, long-context training, MoE architectures, and multi-node GPU clusters. A true full-stack ML engineering role combining PyTorch, distributed systems ...

Shopify Developer

Hiring Organisation
Commercial
Location
Kettering, Northamptonshire, East Midlands, United Kingdom
Employment Type
Permanent
Salary
£50,000
performing ecommerce experiences. Key Responsibilities Shopify Development Maintain, optimise, and enhance existing Shopify stores. Build new websites, storefronts, and landing pages using Shopify and open-source frameworks. Custom-code Shopify themes, templates, and features using Liquid. Implement and configure third-party integrations, apps, and payment gateways. Ensure fast … Diagnose and resolve technical issues across all company websites. Web Development Build and maintain in-house websites using HTML, CSS, JavaScript, PHP, or similar open-source technologies. Develop custom web functionality and integrations where required. Improve site architecture, navigation, and overall user experience. Test and deploy updates ...

Sales Director (Telco Sector) - Germany, Austria, Switzerland

Hiring Organisation
MBR Partners
Location
Kleingartenanlage, Hamburg, Germany
Employment Type
Permanent
Salary
EUR 60,000 - 100,000 Annual
client is one of Europe's fastest-growing companies and provides open-source solutions and offers their own widely adopted Linux-based operating system. They provide licensed enterprise software products, commercial support, managed services, consulting and training services to customers who are deploying open source applications … business, maintain and develop existing relationships, and work with colleagues and partners on account strategy. They must be comfortable selling enterprise software, open source, cloud, virtualization, container technologies and technical software solutions to senior levels of the enterprise. There will be some lead generation support from sales development ...