1,176 to 1,200 of 1,247 Permanent Open Source Jobs

Functional Consultant

Location
Greater London, England, United Kingdom
meet and learn from people from an amazing array of nationalities and cultures. We’re extremely proud of the way we work and the open culture we’ve developed. Key responsibilities Preparing and conducting discovery workshops with clients, demonstrating curiosity to extract comprehensive requirements and understanding of their existing … London. We offer flexible hours and a real “team” mentality, working together to make things better. Uniquely, we base all of our solutions on open source products, helping our work to have the greatest possible impact. We offer a full suite of software options for our clients ...

Threat Intelligence Response Analyst

Location
Greater London, England, United Kingdom
working independently while remaining a collaborative and reliable team member Practical experience in threat intelligence, incident response, or security monitoring A solid understanding of open source intelligence techniques and their application to phishing, credential harvesting, domain monitoring, dark web monitoring, and threat actor profiling Working knowledge of security … department via their Recorded Future email address. Notice to Agency and Search Firm Representatives: Recorded Future will not accept unsolicited resumes from any source other than directly from a candidate. Any unsolicited resumes sent to Recorded Future, including those sent to our employees or through our website, will become ...

Lead Functional Consultant

Location
Greater London, England, United Kingdom
meet and learn from people from an amazing array of nationalities and cultures. We’re extremely proud of the way we work and the open culture we’ve developed. Key responsibilities Lead and line‐manage a team of Functional Consultants working across CRM and website projects. Ensure consultants have … London. We offer flexible hours and a real “team” mentality, working together to make things better. Uniquely, we base all of our solutions on open source products, helping our work to have the greatest possible impact. Benefits Paid annual leave Birthday off Volunteering time off Wellness day Medical ...

Kernel Engineer - Silicon Platform Integration (Remote)

Location
United Kingdom
tooling. This role owns integrating silicon platform support into the Ubuntu Linux kernel, delivering silicon-optimized kernel variants, and collaborating with partners and the open-source community to ensure robust performance across SoCs. What you'll do includes driving integration of platform support from silicon partners, resolving complex ...

Quantum Computing Research Engineer: Verification & Tools

Location
Oxford, England, United Kingdom
technologies, with collaboration across disciplines and international partners. You will contribute to research design, implement experimental software systems, and support dissemination through publications and open-source tooling. #J-18808-Ljbffr ...

Senior MAAS Engineer – Remote & Global Travel

Location
United Kingdom
Canonical develops open source software with remote-first teams. This role focuses on owning MAAS core components and features, shaping architecture, and delivering scalable improvements for global deployments. You will collaborate across teams to ensure timely releases, contribute to CI, tests, and documentation, and maintain strong usability ...

Senior Solutions Engineer — Remote, Observability & Pre-Sales

Location
United Kingdom
United Kingdom is hiring a Solutions Engineer to partner with our Sales team, own technical engagements, and help close complex opportunities using Grafana's open source and cloud platform. You will deliver product and technical presentations, communicate with customers and internal teams, and contribute to enablement content; require ...

Infrastructure Support Engineer - Cambridge

Hiring Organisation
Microtech Global Ltd
Location
South East, United Kingdom
Employment Type
Permanent
Salary
GBP 80,000 Annual
compact but unusually broad infrastructure footprint that supports hardware design, security verification, FPGA-based testing, CI/CD for silicon projects, and collaborative open-source workflows. This is a fantastic opportunity for a junior to mid-level engineer who thrives on learning new technologies quickly and enjoy click ...

Data Platform Engineer: Scale Systems & Services

Location
Greater London, England, United Kingdom
ensuring regulatory and control requirements are met to drive innovation. You will collaborate with teams to identify data needs, set up pipelines, and use open source solutions where appropriate. The role emphasizes data governance, security, and scalable delivery. #J-18808-Ljbffr ...

Multilingual AI Researcher - Data & Models

Location
United Kingdom
language models across diverse languages and domains. You will bridge research and engineering, publish findings at leading AI conferences, contribute to open-source initiatives, and translate research outcomes into production-ready improvements in a fast-moving startup #J-18808-Ljbffr ...

Senior RISC-V RTL Design Engineer (Microarchitecture)

Location
Cambridge, England, United Kingdom
SiFive is hiring a CPU Microarchitecture/RTL design engineer to join a team delivering industry‐leading CPU cores based on the open‐source RISC‐V architecture. You will design features, extend ISA, and integrate content into Chisel/FIRRTL while coordinating with verification and physical teams. ...

Founding GPU Systems Architect

Location
Cambridge, England, United Kingdom
pathways that make multi-cloud GPU experiments reliable and scalable. We value 4+ years of production software experience, strong system-design skills, and demonstrable open-source contributions. #J-18808-Ljbffr ...

Private Cloud Security Architect (Hybrid: 4 Days WFH)

Location
Otley, England, United Kingdom
private cloud platform. You will work with infrastructure teams, translating threats into practical designs, controls and automated testing, across compute, virtualization, networking, storage and open‐source stacks. Hybrid working in Cambridge (1 day/wk) with 4 days WFH. #J-18808-Ljbffr ...

Lead Data Scientist, AI Safety & Evaluation

Location
Greater London, England, United Kingdom
responsible AI practices across high-stakes engagements. You will champion robust methodologies, guide cross-functional teams, and contribute to Faculty’s thought leadership through open-source research and industry collaboration. #J-18808-Ljbffr ...

Senior Rust Engineer for Autonomous Testing (London)

Location
Greater London, England, United Kingdom
help build the future of autonomous testing. The role requires proficiency in Rust and experience with property-based testing. You'll maintain the open-source project Bombadil and work with various technologies like Chromium automation. This is a hybrid position based in London, emphasizing in-person interactions ...

Staff Systems Engineer – Production Kubernetes & Build Systems

Location
Greater London, England, United Kingdom
workers to storage layer clients. You’ll operate large production clusters, keep them fast under heavy load, and ship improvements to infrastructure and the open-source project. You will work on operating and scaling Kubernetes, building—and hardening—services behind remote execution and caching, and diagnosing performance across ...

Linux Systems Engineer - Automation & Production Infra

Location
Greater London, England, United Kingdom
from the physical hardware to workload orchestration, with opportunities to dive deep in a few areas. The team builds in-house tools and integrates open-source technologies to feel native to our infrastructure, while mentoring others and improving automation and reliability in production environments. #J-18808-Ljbffr ...

Remote Backend Engineer, Control Plane (Go)

Location
United Kingdom
Tailscale is seeking a skilled and diligent Software Engineer to join our Control Plane Team. You will work on distributed systems, contribute to open source client code and backend services, and collaborate with UX/UI designers and product managers to shape features. This remote-first role offers ...

ML Engineer: Real-Time Distributed Training & Inference

Location
City Of London, England, United Kingdom
collaborate with researchers and HPC specialists, and push the performance of GPU-accelerated systems. You will work on distributed training, low-latency inference, and open-source ML tool integration to drive faster experimentation and real-time decision making in trading environments. #J-18808-Ljbffr ...

Software Systems Intern: Build Data Platforms

Location
Greater London, England, United Kingdom
Palantir Technologies invites driven students to join their software engineering team, applying open-source data technologies to real-world problems. You will work on the data processing infrastructure that underpins Palantir Foundry, learning how computations are represented, planned, and executed across large-scale systems. You will collaborate with ...

Senior ML Ecosystem Engineer — GPU & ML Apps

Location
Greater London, England, United Kingdom
applications. You will analyze developers' products and report on their use of the ML API, recommending optimizations, contribute platform enablement and improvements to key open source projects, and host developers during in-person engineering sessions, becoming a key #J-18808-Ljbffr ...

Staff ML Engineer: Inference & Optimization Lead

Location
Greater London, England, United Kingdom
Nebius is building production-grade inference for open-source, customer, and internally optimized models. This role owns the path from model artifact to fast, reliable endpoints, sitting at the intersection of model internals, inference engines, serving architecture, benchmarking, and deployment. You will drive platform-level optimizations and build ...

LLVM Compiler Engineer – AI & xPU Optimizations

Location
City of Edinburgh, Scotland, United Kingdom
develop LLVM-based compilers, analyze performance, and optimize for xPU architectures while collaborating with cross-functional teams. The role emphasizes cutting-edge compiler research, open-source contributions, and practical problem solving. A strong background in C/C++ and CPU/xPU architecture is essential, with opportunities ...

Quant AI Research Scientist - End-to-End ML for Markets

Location
Greater London, England, United Kingdom
endure latency and stability requirements. Ideal candidates have 5+ years building ML systems, experience with transformers, HPC/distributed training, and publications or open-source contributions. #J-18808-Ljbffr ...

AI Compiler Optimization Engineer - Edinburgh

Location
City of Edinburgh, Scotland, United Kingdom
optimizations) Preferred: Experience optimizing models on multiple AI frameworks Research & Insight Development: Track and analyze the latest advancements in AI & compiler research (academic papers, open-source projects) Produce actionable insight reports summarizing trends, benchmarks, and potential optimizations Preferred: Strong technical writing skills with prior publications or reports #J ...