876 to 900 of 1,430 Permanent Open Source Jobs

Senior Software Engineering Manager – Networking

Hiring Organisation
Ciena Corporation
Location
Edinburgh, Midlothian, United Kingdom
Salary
£ 80 K
technical depth to engineering discussions and communication with engineers, architects, and customers.Nice to haves:Experience: Experience developing software in a Linux environment.Experience: Experience with open-source software development.Experience: Experience leading geographically distributed engineering teams.Knowledge of network routers, switches, or routing protocols including OSPF, IS-IS, EVPN, and BGP.Experience ...

Full Stack Software Engineer

Hiring Organisation
Fruition Group
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
Augmented Generation (RAG), vector databases, or embeddings Experience with cloud platforms (AWS preferred) Awareness of emerging AI tooling (e.g. MCP, A2A, Threads or similar) Open-source contributions or side projects, particularly involving scalable systems or AI This role is best suited to software engineers who enjoy building reliable ...

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 ...

Security Platform Engineer, UK Security Operations

Location
Westminster, West End, 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 ...

Senior Embedded Architect Manager

Location
United Kingdom
standards.* Apply innovative hardware security primitives to enable next generation secure software extensions supported by hardware.* Collaborate with partners on the implementation of open-source software.* Collaborate across the company to guide the direction of Its (USB, I2C, I3C, UART, PCI) working with hardware, software, research and product ...

Founding Product Engineer (AI-First)

Location
Greater London, England, United Kingdom
have one or more of the following: Experience at a high-performing technology company or AI-focused organization. An impressive portfolio of personal projects, open-source contributions, or startup experience. Published technical research, conference talks, or notable technical achievements. Strong architectural thinking and the ability to influence product ...

AI Engineer

Hiring Organisation
Fruition Group
Location
City of London, London, United Kingdom
Employment Type
Permanent
when something isn't worth building Desirable Skills * Vector databases, embeddings, fine-tuning * Cloud experience (AWS/Google preferred) * Former founder or startup experience * Open-source contributions or visible AI side projects ...

Senior Private Cloud Engineer

Hiring Organisation
ARM
Location
Cambridge, Cambridgeshire, United Kingdom
Salary
£ 80 K
Prometheus, Grafana)!Exposure to large-scale or multi-tenant environments.Exposure to GitOps driven and CI/CD pipelines (Jenkins, ArgoCD. FluxCD, etc)Contribution to Open Source projects!In Return:You will work on a modern internal platform used by engineering teams across the organization and globe.You will develop ...

Senior Private Cloud Engineer

Hiring Organisation
ARM
Location
Cambridge, Cambridgeshire, UK
Employment Type
Full-time
Grafana)!Exposure to large-scale or multi-tenant environments. Exposure to GitOps driven and CI/CD pipelines (Jenkins, ArgoCD. FluxCD, etc)Contribution to Open Source projects! In Return: You will work on a modern internal platform used by engineering teams across the organization and globe. You will ...

Solution Engineer - FS

Location
Greater London, England, United Kingdom
Machine Learning (ML) use cases for enterprises. Hands-on experience with modern AI/LLM ecosystems, including Retrieval-Augmented Generation (RAG), and familiarity with open-source frameworks such as LangChain, Hugging Face, or PyTorch, along with a solid understanding of how to work with and deploy Large Language ...

Applied AI Engineer

Hiring Organisation
G Research
Location
London, United Kingdom
Salary
£ 80 K
nextClear communicationFine-tuning or adapting foundation models, such as LoRA and DPOComfort integrating with heterogeneous stacks, such as C#, C++, JVM, gRPC, KubernetesContributions to open-source AI projects, technical writing or conference talks.We're looking for people who want to shape how an entire organisation works with AI. ...

Deployed AI Engineer

Hiring Organisation
Enablis
Location
City Of London, England, United Kingdom
when something isn't worth building Desirable Vector databases, embeddings, fine-tuning Cloud experience (AWS/Google preferred) Former founder or startup experience Open-source contributions or visible AI side projects Apply today Become an Enabler! We’re looking for passionate, talented tech experts who want to work ...

Software Engineer

Location
Greater London, England, United Kingdom
growth environment Preferred Qualifications Good working experience with Full Stack development (React, TypeScript, JavaScript, Node JS, Python, Go and/or Java) Contribution to open-source projects Experience with Agentic Coding Tools 2-5 years of relevant software engineering experience #LI-JS2 the company is an equal opportunity ...

Software Engineer-Affiliate Partnerships

Location
City Of London, England, United Kingdom
Spring Boot.Passionate about technology and continuous improvement, demonstrating exceptional coding proficiency, a commitment to clean and elegant code, and a keen interest in exploring open-source projects.Proactive, fast learner, and highly collaborative, with strong communication, analytical, and problem-solving skills, capable of independently identifying and resolving complex technical ...

ML Embedded Software Engineer

Hiring Organisation
ARM
Location
Cambridge, Cambridgeshire, United Kingdom
Salary
£ 80 K
engineers from prospective Arm customers through to members of the Arm ecosystem. Your work will be published widely, whether as technical blogs or open source code repositories.Please note that no relocation package is available for this role. If skilled worker sponsorship is required, Arm will meet costs associated ...

Python Developer

Hiring Organisation
Lyst
Location
London, United Kingdom
Salary
£ 80 K
collects ~100M data points/day...and a team that... ~10 deployments/day40+ merged pull requests/day20k lines of change/weekLots of open source projects - https://github.com/lyst and https://github.com/SSAW Get invited to talk at great events (PyCon ...

Senior Software Engineer C Linux Networking - Remote

Hiring Organisation
Saxon Recruitment Solutions
Location
Edinburgh, Midlothian, United Kingdom
Salary
£ 100 K
etc5+ years relevant experience with the ability to write quality C code under Linux with a good understanding of this OS and open source software development, debugging.It would be useful if you have some knowledge of the following : • Knowledge in software development of Data Forwarding paths (Software, Hardware ...

Software Engineer

Hiring Organisation
Yext
Location
London, United Kingdom
Salary
£ 80 K
paced, high growth environmentPreferred QualificationsGood working experience with Full Stack development (React, TypeScript, JavaScript, Node JS, Python, Go and/or Java)Contribution to open-source projectsExperience with Agentic Coding Tools2-5 years of relevant software engineering experience#LI-JS2Yext is an equal opportunity employer committed to building ...

Senior Platform Architect

Hiring Organisation
Temporal Technologies
Location
London, United Kingdom
Salary
£ 70 K
practices for distributed systemsBackground in professional services, technical consulting, or solutions engineering rolesExperience with Kubernetes, cloud platforms, and infrastructure-as-code toolsContributions to open source projects or developer communitiesExperience designing and delivering technical training or workshopsTemporal Technologies is an Equal Opportunity Employer. Temporal Technologies does not discriminate ...

Performance Engineer, Containers/Serverless

Location
Greater London, England, United Kingdom
datasets. Familiarity with RDMA, GPUDirect Storage, or NVMe-oF. Prior work on serverless GPU platforms, model registries, or Kubernetes-based ML infrastructure. Contributions to open-source storage, ML runtime, container, or kernel projects. Background in performance engineering on bare metal - not just clouds where someone else owns ...

Senior ML Engineer

Hiring Organisation
Boehringer Ingelheim
Location
London, United Kingdom
Salary
£ 80 K
working with biomedical data modalities such as genomics, multi-omics, clinical or imaging data in an ML context is advantageous Publications/Contributions to open-source ML projects or tooling This is a hybrid role with approximately 3 days a week in the office.WHY THIS IS A GREAT ...

Lead Compute Platform Engineer

Location
Greater London, England, United Kingdom
productivity when using our framework and services Identifying and implementing computational improvements Making improvements and/or fixing bugs by submitting patches to open-source projects in our stack, such as Spark, Iceberg, Hadoop, Airflow, and many others Acting as an expert on Spark and Scala Mentoring engineers ...

Principal Embedded Software Engineer I

Hiring Organisation
CesiumAstro
Location
Milton Keynes, Buckinghamshire, United Kingdom
Salary
£ 70 K
quality assurance and optimizing I/O performance.Providing post-production/in-orbit customer support.Interfacing with hardware design and development engineers.Assessing third-party and open-source software.JOB REQUIREMENTS AND MINIMUM QUALIFICATIONSA Bachelor of Science (BS) or Master of Science (MS) degree in Computer Science, Electrical Engineering, or Computer ...

Senior Machine Learning Research Engineer

Location
Greater London, England, United Kingdom
actually use. Bonus experience: CUDA/Triton kernel development; FlashAttention-style attention implementations; experience with foundation models for biology, vision, or language; contributions to open-source ML frameworks. Personally, you Are comfortable working in a matrixed environment, balancing multiple stakeholders and contributing effectively across teams. Take ownership ...

AI Data Associate - Dutch, Artificial General Intelligence

Hiring Organisation
Evi Technologies
Location
London, UK
Employment Type
Full-time
managing complex tasks and documentsPreferred qualification - Bachelor's degree in a relevant field- Proven experience with demonstrated task execution ability- Proven capacity to leverage open-source resources effectively for comprehensive research purposes- Ability to adapt well to fast-paced environments with changing circumstances, direction, and strategy- Proven project ...