676 to 700 of 1,234 Permanent Open Source Jobs

Staff Software Engineer, Marketing Tech

Hiring Organisation
eBay
Location
Amsterdam, Noord-Holland, Netherlands
Employment Type
Permanent
Salary
EUR Annual
write technical design docs; capable of design reviews Experience with AI-assisted development tools and exposure to GraphQL, federated APIs, LLM-powered features; open-source contributions a plus Strong ownership mentality and ability to drive work end-to-end in a collaborative environment Exposure to GraphQL and Federated ...

Senior Machine Learning Scientist - Agentic Modelling Team

Hiring Organisation
Booking.com
Location
Amsterdam, Noord-Holland, Netherlands
Employment Type
Permanent
Salary
EUR Annual
years in a quantitative field (e.g., CS, AI, Math, Physics) or equivalent End-to-end R&D planning experience; peer-reviewed publications, patents, or open-source contributions preferred Strong Python and ML/AI frameworks knowledge Experience with LLM APIs and retrieval systems Cross-functional collaboration ...

AI Engineer

Location
United Kingdom
sensitive data appropriately Experience delivering digital services within UK central government or the wider public sector Familiarity with GOV.UK Service Standard expectations Exposure to open-source LLM tooling or communities Familiarity with AI/ML tooling on AWS, Azure, or GCP #J-18808-Ljbffr ...

Senior Quant AI Researcher

Location
Greater London, England, United Kingdom
accuracy and governance. Integrate quant signals, trusted data sources, and human-review controls for robust and reliable model performance. Benchmark model providers and explore open-source alternatives to stay ahead of the curve. Collaborate with cross-functional teams to align ML models and AI agents with business objectives ...

Applied AI Engineer

Location
Greater London, England, United Kingdom
fine‐tuning or adapting foundation models (e.g., LoRA, DPO). Comfort integrating with heterogeneous stacks such as C#, C++, JVM, gRPC, Kubernetes. Contributions to open‐source AI projects, technical writing or conference talks. Benefits Highly competitive compensation plus annual discretionary bonus. Lunch provided (via Just Eat for Business ...

Security Platform Engineer, UK Security Operations

Location
London, United Kingdom
Istio, Linkerd) and workload identity. Experience in detection engineering, logging pipeline development, or SIEM tuning in containerised environments. Experience in contributing to security-focused open-source projects or internal security platform tooling. Responsibilities: Deploy, configure, and manage cloud security platform tools and technologies, including Security Information and Event ...

Security Platform Engineer, UK Security Operations

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
Istio, Linkerd) and workload identity. Experience in detection engineering, logging pipeline development, or SIEM tuning in containerised environments. Experience in contributing to security-focused open-source projects or internal security platform tooling. Responsibilities: Deploy, configure, and manage cloud security platform tools and technologies, including Security Information and Event ...

Senior Machine Learning Engineer

Location
United Kingdom
capabilities of our platform and enhance the experiences of users who rely on our cutting-edge AI technologies. What You'll Be Doing Integrate open-source and third-party models into our inference platform Lead fine-tuning initiatives (LoRA, adapters, PEFT, domain adaptation) Optimise inference workloads for latency ...

Security Platform Engineer, UK Security Operations

Hiring Organisation
Hackajob Ltd
Location
Westminster, Greater London, UK
Istio, Linkerd) and workload identity. Experience in detection engineering, logging pipeline development, or SIEM tuning in containerised environments. Experience in contributing to security-focused open-source projects or internal security platform tooling. Responsibilities: Deploy, configure, and manage cloud security platform tools and technologies, including Security Information and Event ...

Software Engineer (Compilers)

Location
Haywards Heath, England, United Kingdom
Experience in compiler development Experience with algorithm development, verification and optimisation Hands-on experience with a toolchain codebase, such as LLVM, GCC, or other open-source/commercial compiler and toolchain, or framework Writing readable, high-integrity, efficient, and well-documented code Familiarity with Git and experience with ...

Software Engineer (Compilers)

Location
Haywards Heath, England, United Kingdom
C++ Experience in compiler development Experience with algorithm development, verification and optimisation Hands-on experience with a toolchain codebase, such asLLVM, GCC, or other open-source/commercial compiler and toolchain, or framework Writing readable, high-integrity, efficient, and well-documented code Familiarity with Git and experience with ...

Graduate Deep Learning Researcher - London

Location
City Of London, England, United Kingdom
e.g., NeurIPS, ICML, ICLR). For Bachelor’s and Master’s candidates, research experience is required but can take other forms, e.g. thesis work, open‐source contributions, or projects Hands‐on experience with modern deep learning architectures, such as transformers, sequence models, representation learning, self‐supervised learning ...

Senior Infrastructure Engineer

Location
Tweedbank, Scotland, United Kingdom
DevOps platforms would be beneficial. Design and implement infrastructure solutions and services, for example, networking and physical infrastructure, commercial-off-the-shelf (COTS) software, open-source packages and solutions, or virtual and cloud computing. Use information security practices and available security controls to contribute to protecting solutions ...

Principal Embedded Software Engineer

Hiring Organisation
Verso Recruitment
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Permanent
Salary
£65,000
systems and embedded Linux development Python or scripting for test automation IoT ecosystems and sensor networks MSc/MEng qualification Published technical work or open-source contributions Why This Role You'll work with a team that values engineering excellence . There's real technical depth. ...

Python Engineer Data Domains

Location
Greater London, England, United Kingdom
data products confidently Partner closely with: data scientists machine learning engineers Improve and evolve the overall data infrastructure Experiment with emerging technologies Explore open-source tools Engage with the broader tech community Help keep Prima at the cutting edge What we’re looking for Software & Data Engineering Strong ...

Applied Scientist - Research Engineer (Formal Methods), EMEA

Location
Greater London, England, United Kingdom
proof automation, or verified code generation. Experience with reinforcement learning using verifiable rewards, ideally from Lean or other proof assistants. Contributions to a large open-source or industry codebase. Publications in top academic journals or conferences. Enjoys improving existing code: typing, tests, CI pipelines. What We Offer ...

Sr. Infrastructure Engineer (Python, Linux, VMware ESXi, Ansible, cloud) | Glasgow, UK | 12 Months Contract | AS

Location
Glasgow, Scotland, United Kingdom
automation codebases to remediate identified security vulnerabilities. Design, implement, and validate secure, stable, and maintainable code changes. Work as an integration engineer, connecting vendor, open-source, and internally developed solutions into the firm's infrastructure platform. Develop and maintain automation using Python and related tooling. Build and improve ...

SW Engineer

Location
Cambridge, England, United Kingdom
hardware datapath optimization. JOB DETAILS Location: Cambridge, UK Hybrid: 3 days per week in the office WHAT YOU WILL BE DOING You will develop open-source system software for networking acceleration on Linux. Your work will give you a deep understanding of the networking stack, from FinTech users ...

Lead Software Engineer - Hardware Lifecycle

Hiring Organisation
Mentmore Recruitment
Location
Cwmbran, Torfaen, Gwent, United Kingdom
Employment Type
Permanent
Salary
£75000 - £80000/annum
/Dart or Ruby on Rails. IoT, connected-device management, or fleet and asset management systems. Utilities or other critical infrastructure environments. Personal or open-source software projects; links can be included with your application. First-year priorities Agree the roadmap and target architecture for the three-product ...

Generative AI Research Engineer, Siri Speech

Location
Cambridge, England, United Kingdom
Data Science, Physics, or a related quantitative field. Experience: Early career: post-degree experience or practical industry/academic research experience demonstrated through publication, open-source codebases, or high-impact projects At Apple, we're not all the same. And that's our greatest strength. We draw ...

Senior Firmware Engineer

Hiring Organisation
Orion
Location
Weston, Dorset, UK
communication technologies (e.g., BLE, Wi-Fi) Understanding of secure coding practices and encryption algorithms Engagement with the wider embedded or IoT community, for example open-source contributions, talks or technical writing Working Arrangements:Hours: Monday to Friday, 08:30 to 17:30. Benefits: Hybrid Working 25 days holiday ...

Senior Associate Infrastructure Engineer (Windows)

Location
Tipton, England, United Kingdom
architecture stack. Responsibilities Executes increasing variety of user stories with different contexts across the different stages of the product lifecycle Uses automation, system tools, open-source solutions, observability and 'security first' principles in daily work Contributes to team agile ceremonies, leads demos and presentations, helps new engineers learn ...

Software Engineer (Rust)

Location
Cambridge, England, United Kingdom
with sandboxing technologies (e.g., WebAssembly/Wasm, lightweight VMs, containers). Understanding of modern AI tooling, foundation model APIs, and deployment pipelines. Contributions to open‐source Rust projects or AI development tools (please include links to relevant projects, GitHub repositories, or technical blogs in your application). Ideally ...

Senior Platform Architect Temporal Technologies · Remote · UK · Platform & Infrastructure €64,400–€84,525 2mo ago

Location
Greater London, England, United Kingdom
distributed systems Background in professional services, technical consulting, or solutions engineering roles Experience with Kubernetes, cloud platforms, and infrastructure-as-code tools Contributions to open source projects or developer communities Experience designing and delivering technical training or workshops Temporal Technologies is an Equal Opportunity Employer. Temporal Technologies does ...

Senior Test Engineer

Location
Newcastle upon Tyne, England, United Kingdom
automate tests to guide development Reviewing test environments and processes to facilitate continuous improvement and maintenance of quality standards Qualifications Have practical experience with open source tools such as: Cypress, Karate, PlayWright, Selenium or similar. Worked in an agile environment. Candidates must have active SC Clearance Additional Information ...