126 to 150 of 1,557 Open Source Jobs in the UK

Senior Lead Software Engineer - LLM Ops Platform Reliability

Hiring Organisation
Hackajob Ltd
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Permanent
environments Operate and scale large language model serving infrastructure, including model hosting, request routing, continuous batching, and cache optimization Deploy, host, and lifecycle-manage open-source and proprietary large language models on cloud-based container orchestration platforms and on-premises GPU clusters using reproducible infrastructure as code … Amazon Bedrock for managed model hosting Experience with online large language model quality monitoring, including hallucination detection, toxicity filtering, and drift detection using open telemetry conventions Contributions to open-source large language model serving or inference projects, (vLLM, llm-d, Ray, KServe, Triton) ABOUT US Our client ...

Senior Lead Software Engineer - LLM Ops Platform Reliability

Location
Auchentibber, Scotland, United Kingdom
environments Operate and scale large language model serving infrastructure, including model hosting, request routing, continuous batching, and cache optimization Deploy, host, and lifecycle-manage open-source and proprietary large language models on cloud-based container orchestration platforms and on-premises GPU clusters using reproducible infrastructure as code … Amazon Bedrock for managed model hosting Experience with online large language model quality monitoring, including hallucination detection, toxicity filtering, and drift detection using open telemetry conventions Contributions to open-source large language model serving or inference projects, (vLLM, llm-d, Ray, KServe, Triton) #J-18808-Ljbffr ...

Senior Engineer - Payments

Location
Greater London, England, United Kingdom
What We Offer Compensation Competitive salary and benefits package. Bonuses: Discretionary performance-based bonus. Growth: Continued personal development through funded training and professional certifications. Open Source Culture: We are Open Source-friendly, following open principles in our internal projects and actively encouraging contributions ...

Senior Product Manager arbeitnow Yubico Remote US (EST), London · 9/27/2026

Location
Greater London, England, United Kingdom
Friction: We constantly look for new ways to simplify our products, our work, and the user experience. Inspire Higher: We think big, champion the open internet, and strive to do the right thing even when it is difficult. One Team: We are open, responsive, and collaborative, overcoming challenges … celebrating our successes together. Aligned with our commitment to open standards, we foster a thriving builder ecosystem through the Yubico Developer Program, offering free open-source repositories, libraries, and SDKs to help developers rapidly integrate strong hardware authentication into any application. Through close collaborations with technical partners ...

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)

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
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 ...

Lead DevOps Engineer - Cheltenham based

Location
United Kingdom
secure cloud environments hosting data and batch/real-time analytical platforms for public and private sector clients, leveraging the latest commercial and open-source technologies and techniques. This also involves building automated deployments using configuration management technology, deploying new modules, upgrades and fixes to test and production … this position. Commercial Experience in deploying and operating infrastructure (network, servers, services) and applications on AWS and other cloud environments Developing and operating using open source and commercial software within a cloud-centric environment Server build and administration, Linux and Windows GitHub/GitLab for source control ...

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 ...

DataOps Engineer

Location
United Kingdom
orchestration and automating data pipeline deployments using DevOps tools and techniques (Docker, Containers, Terraform, Kubernetes)* Building data pipelines using both cloud-native and open-source data tools to deliver self-contained data processing applications.* Understanding of data architecture principles and applying this to your delivery work. … skills required:*** DataOps* Proficiency in data pipeline orchestration tools* Containerisation (Docker, EKS, AKS, Kubernetes)* Proficiency in CI/CD principles and tools* Familiarity with open-source data tools (e.g., Spark, Kafka, PostgreSQL)* Infrastructure as Code (Terraform, Ansible)* Air-gapped development* Automation* Client/stakeholder management* Public sector domain ...

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 ...

Cloud Native Specialist

Location
Greater London, England, United Kingdom
code-level visibility into microservices without manual instrumentation or sidecar overhead.* Advocate for OpenTelemetry (OTel) integration and explain how Dynatrace extends the value of open-source telemetry in a production-grade environment.2. Domain Execution:* Lead technical discovery and high-stakes Proof of Concepts (POCs) specifically targeting "Born … Experience with eBPF-based monitoring tools.* Familiarity with FinOps principles (matching cloud spend to container performance).* Active participation in the CNCF community or open-source projects.## **Why you will love being a Dynatracer*** A one-product software company creating real value for the largest enterprises and millions ...

Senior Web Developer

Location
City of Edinburgh, Scotland, United Kingdom
help lead the continuous development and ongoing support of the University's central web services, principally the Web Publishing Platform (EdWeb 2) — the open-source, Drupal-based service behind nearly 170 environments and over 600 subsites, curated by more than 1,200 editors and reaching around 30 million … improvement approach. You’ll join the Website and Communications (WAC) team, a highly collaborative and supportive part of Information Services. We work in the open: EdWeb 2 and the University's Student & Staff Portal (MyEd) are both built on open-source software, reflecting the University's commitment ...

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 ...

ML Engineer

Location
Greater London, England, United Kingdom
core intelligence, including context representation, memory, reasoning, planning, and orchestration. Decide when to design new model architectures versus adapting or leveraging frontier open-source or commercial models. Define evaluation frameworks that measure real-world usefulness, robustness, safety, and long-term behavior. Own alignment, safety, and guardrail strategy … core intelligence, including context representation, memory, reasoning, planning, and orchestration. Decide when to design new model architectures versus adapting or leveraging frontier open-source or commercial models. Define evaluation frameworks that measure real-world usefulness, robustness, safety, and long-term behavior. Own alignment, safety, and guardrail strategy ...

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 ...

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 ...

Software Engineer - Data Infrastructure

Location
Greater London, England, United Kingdom
senior level. 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 ...

Software Engineer - Data Infrastructure - Kafka

Location
United Kingdom
around Big Data technologies, such as distributed event-stores (Kafka) and parallel computing frameworks (Spark). 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 ...

Solution Architect (SFIA 5)

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
looking for a Solution Architect to lead the design and delivery of cutting-edge digital services for the UK Public sector using the latest open source technologies and working under an Agile and DevOps framework. Role Objectives: These are the expected objectives for this role. We are happy … client, share knowledge and drive continuous improvement Requirements Technical: You will have extensive commercial experience in the many of the following: Technical & Solution Design Open Source software Cloud computing (ideally AWS) Security best practices IAM, OAuth, Cognito, OIDC - all advantageous Containers and Orchestration (Docker, Kubernetes) DevOps/DevSecOps ...

Lead Software Engineer - LLM Ops Platform Reliability

Hiring Organisation
Hackajob Ltd
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Permanent
serving infrastructure (such as vLLM and llm-d), including model hosting, request routing, continuous batching, and KV-cache optimization Deploy, host, and lifecycle-manage open-source and proprietary LLMs on Amazon EKS and Amazon SageMaker, as well as on-prem and local GPU clusters, using reproducible infrastructure … Amazon Bedrock for managed model hosting Experience with online LLM quality monitoring (e.g., hallucination, toxicity, drift detection) and tracing via OpenTelemetry conventions Contributions to open-source LLM serving or inference projects (e.g., vLLM, llm-d, Ray, KServe, Triton) ABOUT US Our client is a global leader in financial ...

Lead Software Engineer - LLM Ops Platform Reliability

Location
Paisley, Scotland, United Kingdom
serving infrastructure (such as vLLM and llm-d), including model hosting, request routing, continuous batching, and KV-cache optimization Deploy, host, and lifecycle-manage open-source and proprietary LLMs on Amazon EKS and Amazon SageMaker, as well as on-prem and local GPU clusters, using reproducible infrastructure … Amazon Bedrock for managed model hosting Experience with online LLM quality monitoring (e.g., hallucination, toxicity, drift detection) and tracing via OpenTelemetry conventions Contributions to open-source LLM serving or inference projects (e.g., vLLM, llm-d, Ray, KServe, Triton) ABOUT US J.P. Morgan is a global leader in financial ...