76 to 100 of 1,012 Open Source Jobs in England

Software Engineer, New Grad - Infrastructure

Location
Greater London, England, United Kingdom
technical team members. Willingness to learn and make decisions independently, and the ability to ask questions effectively. Eagerness to delve into the source code of open-source libraries (such as Cassandra or Chromium) to truly understand how they work or to debug an issue. Staying … date with recent industry practices and advancements in open-source technology. What We Require Engineering background in fields such as Computer Science, Mathematics, Software Engineering, or Physics. Familiarity with data structures, storage systems, cloud infrastructure, frontend frameworks, and other technical tools. Experience coding in programming languages, such ...

Lead Consultant – Golang

Location
Burgess Hill, England, United Kingdom
PostgreSQL, Couchbase, or Cassandra GitHub Actions, Jenkins, or GitLab CI CI/CD and automated build and test frameworks JIRA and Confluence Experience with open-source frameworks or open-source contributions Payments industry experience Experience with multiple programming languages and payment technologies #J-18808-Ljbffr ...

Cloud Engineer

Location
West of England, England, United Kingdom
operations recruitment network overcloud slinky ceph data github ucx galaxy cloud-init storage gpu grafana cuda vm kata ci roce runc dnf StackHPC develops open source cloud infrastructure for research computing, HPC and AI. We are proud to work with clients tackling the demanding challenges of modern scientific … computing. StackHPC contributes actively to open source projects and communities. Our team keeps a close eye on the latest developments and technologies in order to provide up to date and competitive solutions for a range of client requirements. We foster a collaborative and inclusive work environment where every ...

Software Engineer (Java / C++)

Location
Abingdon, England, United Kingdom
issues, and implements fixes to deliver secure applications. Familiar with common software vulnerabilities and leading practices to mitigate. Should have some experience in researching open- source technologies for use in building systems and participate in open source communities as needed. Works on projects of moderate scope ...

Lead Solution Architect (SFIA 5)

Location
Greater London, England, United Kingdom
solve complex, real‐world challenges that have a direct impact on frontline services and public outcomes. You'll work with modern cloud‐native architectures, open source technologies, and Agile and DevSecOps practices to shape scalable, secure, and resilient solutions. As a trusted technical leader, you'll collaborate with … significant commercial experience across many of the following areas: Solution Architecture and Technical Design Strong software engineering background with previous hands‐on development experience Open Source technologies and frameworks Cloud platforms, ideally AWS Cloud‐native architectures and distributed systems Security architecture and secure‐by‐design principles Identity ...

Senior Machine Learning Engineer

Location
Manchester, England, United Kingdom
MLOps tools: MLflow, Weights & Biases, DVC. Familiarity with distributed training frameworks (DeepSpeed, Horovod). Experience with LLM fine-tuning and prompt engineering. Contributions to open-source ML projects. Competitive salary with annual performance bonus. £2,000 annual conference and learning budget. Private healthcare and dental cover. Hybrid working … tight‐knit group of 8 researchers and engineers passionate about pushing the boundaries of applied AI. We publish at top venues, contribute to open-source, and work on problems spanning healthcare diagnostics, financial risk modelling, and autonomous systems. You'll have the freedom to explore new ideas while ...

Lead SRE - AI

Hiring Organisation
Halliburton
Location
Abingdon, Oxfordshire, United Kingdom
Salary
£ 70 K
agent frameworks such as LangChain, LlamaIndex, AutoGen, CrewAI, or equivalent. Familiarity with LLM providers and APIs, including Azure OpenAI, AWS Bedrock, OpenAI API, or open-source models such as Llama and Mistral.Experience with vector databases and embedding workflows, including Chroma, Weaviate, pgvector, Azure AI Search, or equivalent.Solid understanding … with AI agent orchestration patterns, including multi-agent systems, tool-use loops, and memory management.Experience with fine-tuning or PEFT (LoRA/QLoRA) of open-source LLMs for domain-specific SRE tasks.Knowledge of petrotechnical, energy, or industrial IoT domains.Experience with identity and access management (Okta, VIDM, SSO/ ...

Lead SRE - AI

Location
Abingdon, England, United Kingdom
agent frameworks such as LangChain, LlamaIndex, AutoGen, CrewAI, or equivalent. Familiarity with LLM providers and APIs, including Azure OpenAI, AWS Bedrock, OpenAI API, or open‐source models such as Llama and Mistral. Experience with vector databases and embedding workflows, including Chroma, Weaviate, pgvector, Azure AI Search, or equivalent. … agent orchestration patterns, including multi‐agent systems, tool‐use loops, and memory management. Experience with fine‐tuning or PEFT (LoRA/QLoRA) of open‐source LLMs for domain‐specific SRE tasks. Knowledge of petrotechnical, energy, or industrial IoT domains. Experience with identity and access management (Okta, VIDM ...

Senior Software Engineer, Sandboxes (EU or East Coast Preferred)

Location
Greater London, England, United Kingdom
evolve the architecture as requirements grow. Mentor engineers on the team and set the bar in design reviews and code reviews. Engage with the open source and agentic development community around sandboxing, MCP, and related ecosystems. Participate in on-call rotations and respond to critical stability issues affecting … improvements. First 90 Days Lead the design and development of a significant improvement or feature of the local sandboxes stack. Engage with our open source project and the relevant upstream communities. Shape the team's technical direction, and drive architecture discussions. One Year Outlook (First Year) Deliver measurable ...

Head of AppSec

Hiring Organisation
Hackajob Ltd
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Risk Reporting: Translate technical vulnerability data into executive-level risk metrics, communicating business impact clearly to the CRO and operational risk committees. Third-Party & Open-Source Risk: Establish robust controls for managing supply chain security, open-source software dependencies, and third-party vendor components. What ...

Software Engineer II

Hiring Organisation
Couchbase
Location
Manchester, Greater Manchester, United Kingdom
Salary
£ 70 K
Native ecosystem, including Kubernetes, observability and automation tooling, and help bring Couchbase everywhere it can add value. You will have opportunities to contribute to Open Source Cloud Native projects and grow your presence in those communities. In doing so, you will help Couchbase continue to gather users, deployments … with Docker and Kubernetes.Familiarity with cloud deployment tooling (CloudFormation, Terraform, ARM Templates, GCP Cloud Deployment Manager).Experience with, or interest in, contributing to Open Source projects and working with a team distributed across time zones.MINIMUM QUALIFICATIONS:Bachelor’s degree in Computer Science or a related field, or equivalent ...

Software Engineer II

Location
Manchester, England, United Kingdom
Native ecosystem, including Kubernetes, observability and automation tooling, and help bring Couchbase everywhere it can add value. You will have opportunities to contribute to Open Source Cloud Native projects and grow your presence in those communities. In doing so, you will help Couchbase continue to gather users, deployments … Docker and Kubernetes. Familiarity with cloud deployment tooling (CloudFormation, Terraform, ARM Templates, GCP Cloud Deployment Manager). Experience with, or interest in, contributing to Open Source projects and working with a team distributed across time zones. MINIMUM QUALIFICATIONS: Bachelor’s degree in Computer Science or a related field ...

Senior ML Platform Engineer - Artificial Intelligence

Hiring Organisation
Bloomberg
Location
London, United Kingdom
Salary
£ 70 K
cohesive, integrated, and managed AI development life cycle to enable the building and maintenance of our AI systems. Our teams make extensive use of open source technologies such as, Kubernetes, Kubeflow, KServe, Argo, Buildpacks, and other cloud-native MLOps technologies. From technical governance to upstream collaboration … committed to enhancing the impact and sustainability of open source. Join the AI Group as a Senior ML Platform Engineer and you will have the opportunity to: * Architect, build, and diagnose multi-tenant AI platform systems * Work closely with AI application teams to design seamless workflows for continuous model ...

NUFFIELD/Swiss National Research Foundation Research Engineer

Location
Oxford, England, United Kingdom
Lausanne, and collaborating institutions and partners worldwide. The core duties of the role include: leading the development, release, and maintenance of the project’s open-source Python platform; building and operating infrastructure that supports large agent runs at reasonable cost; building pipelines to turn public social media traces … well within collaborative and cross-functional teams. Strong communication skills for engaging with technical and non-technical collaborators are essential. Experience of fine-tuning open-weight models using parameter efficient methods, knowledge of a deep learning framework (PyTorch, JAX/FLAX or Tensorflow 2.0) and the Hugging Face ecosystem ...

Lead Solutions Architect - Generative AI (EMEA Emerging DNB)

Location
Greater London, England, United Kingdom
Serving, Vector Search, Unity Catalog governance), tuned to the fast iteration cycles Emerging DNB customers expect. Lead fine-tuning and model-customisation engagements on open LLMs (e.g., Llama-family models), including judge-based and label-efficient evaluation approaches for domains where quality and safety are paramount. … Data + AI Summit), blogs, and customer executive briefings. What We’re Looking For Strong understanding of the LLM landscape, including leading proprietary and open-source models and providers, with the ability to differentiate their capabilities, trade-offs, and suitability for different use cases, and to articulate ...

Solutions Engineer

Location
Greater London, England, United Kingdom
Strong communication skills with both technical and executive audiences. Independent ownership, urgency, resilience, and results in a high‐performance startup environment. Passion for AI, open source, and helping customers achieve real outcomes. Nice to have Kubernetes, CUDA, TensorRT, ONNX, Jetson, or other edge accelerators. Experience with MLOps, model …/CD, or observability. Familiarity with AWS, Azure, GCP, serverless systems, or managed inference platforms. Experience integrating OpenAI or Anthropic APIs into customer tools. Open‐source contributions or experience supporting developer communities. Knowledge of Ultralytics YOLO workflows and production computer vision solutions. Why this role Real impact: Your ...

AI Engineer

Location
Greater London, England, United Kingdom
Research & Development: Stay at the forefront of AI research and emerging technologies, evaluating and integrating cutting‐edge techniques into our technology stack. Contribute to open‐source projects and represent the company at technical conferences and industry forums. Drive proof‐of‐concept initiatives and experimental projects to explore … requiring statistical rigour. Proven track record of leading the development and deployment of production AI systems at scale. Strong publication record or contributions to open‐source AI projects preferred. Experience with modern software development practices including CI/CD, testing frameworks, and agile methodologies. Office Address : Unit ...

Senior Software Engineer

Location
Manchester, England, United Kingdom
C# development experience Exposure to LLMs, RAG, semantic search, agentic workflows, or AI integrations Experience evaluating or monitoring AI systems Personal AI projects, open-source contributions, or experimentation with AI technologies An active interest in the evolving AI landscape and emerging technologies Commercial AI experience is beneficial … implemented in production environments Solve complex engineering challenges across multiple sectors Dedicated time for R&D, experimentation, and technical learning Opportunity to contribute to open-source projects and technical content Be part of a growing engineering organisation with significant career progression opportunities Gain exposure to both hands ...

Software Engineer - Data Infrastructure - OpenSearch/ElasticSearch

Location
Greater London, England, United Kingdom
levels. We will help you identify a suitable position depending on your experience and interests. Engineers who thrive at Canonical are mindful of open-source community dynamics and equally aware of the needs of large, innovative organisations. Location: This role can be filled in European, Middle East … upgrades for long haul company events About Canonical Canonical is a pioneering tech firm that is at the forefront of the global move to open source. As the company that publishes Ubuntu, one of the most important open source projects and the platform ...

IdAM Application Developer

Hiring Organisation
Guidant Global
Location
Cheltenham, Gloucestershire, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £650/day
both business-as-usual services and innovative technology initiatives. The role offers exposure to Kubernetes, OpenShift, Apache NiFi, Identity Platforms, DevOps tooling, and open-source technologies. Key Responsibilities As an IdAM Application Developer, you will: Design, develop, test, and deploy data processing solutions to meet customer and business … improvements. Support DevOps and platform engineering activities, including infrastructure automation, CI/CD pipelines, monitoring, and logging. Contribute bug fixes, enhancements, and features to open-source technologies used within the organisation. Produce and maintain technical documentation, standards, and operational procedures. Essential Skills & Experience We are looking for candidates ...

Remote Python Engineer — Open Source & Cloud Scale

Location
Greater London, England, United Kingdom
Canonical is a leading open source software company known for Ubuntu, hiring Python developers across teams with remote roles in every time zone. You will write high-quality, well-tested Python, collaborate with a globally distributed team, and contribute to documentation and community efforts. This track spans server ...

Systems Administrator for Research IT

Location
Greater London, England, United Kingdom
these servers run Rocky Linux. The post holder is required to possess substantial knowledge and experience of supporting large installations of Linux servers and open-source software in an academic or enterprise environment according to best practice. About You The Systems Administrator for ITS Research will primarily … DevOps methodologies, including automation, configuration management using Puppet and Git, and continuous integration solutions Ability to provision and test a wide change of Open Source applications, using a variety of methods (source code, scripts, containers, packages). Additional skills will be learned on the job, also making ...

All-Source Intelligence Data Scientist

Location
Cambridgeshire and Peterborough, England, United Kingdom
multi-INT data including structured, semi-structured, and unstructured, demand disciplined analysis to drive timely, mission- relevant insight. As a Data Scientist supporting All-Source Intelligence, you will fuse information across SIGINT, HUMINT, GEOINT, OSINT, and related sources to build analytical models, automate pipelines, and surface decision-quality assessments … develop ing predictive models and quantitative analyses that support intelligence assessments and operational decision-making Experience applying NLP or text mining to reporting and open-source content Experience integrating multi-INT data such as SIGINT, HUMINT, GEOINT, OSINT, or MASINT, and performing pattern-of-life analysis Ability ...

Oracle Cloud Integration Developer

Location
Greater London, England, United Kingdom
Your Role**You will take a hands-on role on our complex Oracle Cloud implementations, working with a mixture of Oracle’s PaaS products, open source technologies and products from other vendors from all market areas. Focus will be on detailed design and subsequent implementation of Modern applications … will evangelise on the significance and benefits of the PaaS portfolio in which your specialisation resides.* You will be required to work with modern open source or third-party solutions on occasion.* You will work alongside Subject Matter Experts from our functional team to deliver solutions which meet ...

Oracle Cloud Integration Developer

Location
Birmingham, England, United Kingdom
Your Role**You will take a hands-on role on our complex Oracle Cloud implementations, working with a mixture of Oracle’s PaaS products, open source technologies and products from other vendors from all market areas. Focus will be on detailed design and subsequent implementation of Modern applications … will evangelise on the significance and benefits of the PaaS portfolio in which your specialisation resides.* You will be required to work with modern open source or third-party solutions on occasion.* You will work alongside Subject Matter Experts from our functional team to deliver solutions which meet ...