401 to 425 of 1,567 Open Source Jobs in the UK

will put you at the heart of a global financial institution? Then bring your skills in analysis, application development, problem solving and communication to Source to Pay Solutions Technology group. By Joining Citi, you will become part of a global organisation whose mission is to serve as a trusted … partner to our clients by responsibly providing financial services that enable growth and economic progress. Team/Role Overview Source to Pay Solutions Technology group is part of COO (Citi Operating Office) Technology organization supporting Citi Operating Office business function and its enterprise‐wide transformation agenda to achieve improvements ...

backend services. AI-Native Engineering: Leverage AI tools as a standard part of how you design, build, and optimize software. We use Claude Code, Open Code, and open-source models daily. You champion internal AI tooling that accelerates workflows for product managers, designers, and editorial staff. Safe ...

large-scale production systemsDeep knowledge of Python is preferred, though other languages like Java, Go, Rust, or similar will also be heavily consideredExperience using source control (Git, GitHub) and feature branching strategiesExperience with a variety of open-source databases (MySQL, Postgres, Redis, etc.)Experience with DevOps engineering ...

FactSet creates flexible, open data and software solutions for over 200,000 investment professionals worldwide, providing instant access to financial data and analytics that investors use to make crucial decisions. At FactSet, our values are the foundation of everything we do. They express how we act and operate, serve … Ability to work effectively under pressure, particularly during incident response Commitment to a blameless culture and continuous learning Nice to Have Experience contributing to open-source projects Familiarity with SRE principles as defined by the Google SRE handbook Previous experience in a DevOps or Platform Engineering role Company ...

will be working alongside Design and Product Management to develop Kaleido’s industry-leading web3 asset platform, and you will participate in the open-source Hyperledger Firefly community. You will also work with Kubernetes operators and other tools to power scale and automation of the Kaleido platform across … perks! Our collaborative culture is focused on putting people first, reflected by how we work together & build products as a flat team with open participation. Health Coverage We provide comprehensive health coverage, including medical, dental, and vision benefits, tailored to meet the needs of our employees in both ...

orchestration tool (Ansible)Good knowledge of Python, expert knowledge of Bash for scripting and automation tasks in a Linux environmentUnderstanding of Linux configuration management, source control, CI/CD, and automated deploymentExperience of continuous improvement and/or refactoring of infrastructure automation to improve the stability, reliability and performance … components are specifically tuned for an EC2 environment and the AWS networkPreferred QualificationsExperience with container technologies such as Docker and/or KubernetesParticipation in open source or personal projectsCertifications in AWS DevOps Engineer Professional, AWS Advanced NetworkingBenefitsTower's headquarters are in the historic Equitable Building, right ...

FactSet creates flexible, open data and software solutions for over 200,000 investment professionals worldwide, providing instant access to financial data and analytics that investors use to make crucial decisions. At FactSet, our values are the foundation of everything we do. They express how we act and operate, serve … improvement Ability to work effectively under pressure, particularly during incident response Commitment to a blameless culture and continuous learning Nice to HaveExperience contributing to open-source projects Familiarity with SRE principles as defined by the Google SRE handbook Previous experience in a DevOps or Platform Engineering role Company ...

etc.) Innovation Research projects, including prototyping, to explore future opportunities. Investigate new technologies. Optimise the development process through use of automation, in-house and open source solutions. Self Development and Growth Develop new skills by working with other members of the team. Be a self-starter … solving - recognition of problems and recasting difficult-to-solve problems in order to find unique and innovative solutions Integrity - honest and transparent in dealing, open to voice and accept criticism, is trustworthy and builds credibility through actions Detail focussed - pays attention to the details and can make a conscious ...

About Tripadvisor The Tripadvisor Group connects people to experiences worth sharing, and aims to be the world’s most trusted source for travel and experiences. We leverage our brands, technology, and capabilities to connect our global audience with partners through rich content, travel guidance, and two-sided marketplaces … model optimization with experience in handling high throughput and low latency applications with an eye on cost. Good to have: Experience with LLMOps leveraging open source models Ability to develop across a diverse technology stack and willingness and ability to take on new technologies. Demonstrated experience participating ...

operators can interrogate complex information at speed and make better decisions under pressure. AVISTM powers our digital decision products, such as ORION for multi-source decision-to-effect, and it powers our physical platforms. We work where wrong decisions can be catastrophic. We partner with defence, security and private … agentic systems Familiarity with secure‐by‐design development principles (ISO 27001, NIST, OWASP) Experience in defence, national security, or similarly regulated environments Contributions to open‐source AI/ML projects An active SC or DV clearance is a strong advantage for this role. Why This Role? This ...

operators can interrogate complex information at speed and make better decisions under pressure. AVISTM powers our digital decision products, such as ORION for multi-source decision-to-effect, and it powers our physical platforms. We work where wrong decisions can be catastrophic. We partner with defence, security and private … agentic systems Familiarity with secure‐by‐design development principles (ISO 27001, NIST, OWASP) Experience in defence, national security, or similarly regulated environments Contributions to open‐source AI/ML projects An active SC or DV clearance is a strong advantage for this role. Why This Role? This ...

might not be able to extend an offer immediately, we are highly interested in considering you for these future projects. If you're open to the idea of potentially joining our team in the future, we encourage you to continue with our interview process. We value your time … platform experience. Nice to have Voice and multimodal agents; evaluation of non‐text outputs. FinOps for AI workloads; unit‐economics modelling for agent systems. Open‐source contribution to the agent/LLM ecosystem, or conference speaking. Prior experience as an FDE, solutions architect, or delivery consultant ...

bridge the gap between traditional telecommunication protocols and modern cloud-based AI. Your core focus will be developing stable SIP services using Java, managing open-source media engines, and integrating advanced Speech AI technologies across multi-cloud environments. Key Responsibilities SIP Development: Develop, test, and maintain ...

Laravel framework Understanding of CI/CD pipelines and DevOps practices Experience with testing frameworks and a test-driven development approach Personal or open-source projects that demonstrate your passion for development What We Offer £35,000 – £45,000 salary with regular reviews Genuine career progression into lead ...

also value: Knowledge of GPU compute environments or AI training infrastructure. Experience with monitoring and observability tools (Prometheus, Grafana, etc.). Contributions to open-source storage, data management, or infrastructure projects. Familiarity with object storage systems (S3, RADOS Gateway, MinIO, etc.). A collaborative and supportive work environment. ...

with observability tools such as OpenTelemetry and Grafana. Experience with Infrastructure as Code (Terraform). Understanding of financial markets or trading systems. Contribution to open‐source projects. Awareness of security principles and DevSecOps practices. Role Band & Level Professional/5 Location United Kingdom – 135 Bishopsgate, London Inclusive Statement ...

Deep experience with the Nuke API, programmatic control, and workflow automation. Practical experience deploying machine learning models directly into production pipelines. Solid understanding of open-source VFX frameworks such as OpenImageIO, OpenColorIO, FFmpeg, and OpenRV. Strong software engineering fundamentals in a Linux environment, including Git, code reviews, testing ...

automation concepts and tooling, such as custom skills, MCP servers, agentic workflows, retrieval-augmented workflows, or integrations with development and security tooling. Knowledge of open source software component management, Software Composition Analysis, and related security tools. Knowledge of core concepts in public cloud providers such ...

Deep experience with the Nuke API, programmatic control, and workflow automation. Practical experience deploying machine learning models directly into production pipelines. Solid understanding of open-source VFX frameworks such as OpenImageIO, OpenColorIO, FFmpeg, and OpenRV.Strong software engineering fundamentals in a Linux environment, including Git, code reviews, testing ...

vector databases like Pinecone, Weaviate, Qdrant or pgvector Familiarity with distributed systems, workflow engines (Temporal, Airflow or Dagster) and event-driven architectures Experience with open-source LLMs or Small Language Models for custom deployments Knowledge of AI safety and governance: guardrails, output filtering and red-teaming practices Background ...

experience as a site lead, office lead, or similar multi-team leadership role Background in building infrastructure for LLM training or inference Contributions to open-source infrastructure or AI infrastructure projects Experience scaling teams from 0 to 20+ engineers Active involvement in the London or European tech community ...

understanding of LLMs, Generative AI, prompt engineering, RAG architectures and vector databases . Experience with frameworks and tooling such as LangChain, LangGraph or similar open-source AI toolkits . Experience fine-tuning, evaluating, deploying and monitoring large-scale AI systems. Strong understanding of MLOps and/or LLMOps ...

frameworks (MLflow, Kubeflow, Airflow). Familiarity with SQL, NoSQL, and distributed data technologies. Experience deploying AI models in production environments. Publications, patents, or open-source contributions in ML/AI. Benefits What We Offer: Competitive Salary Bonus Scheme Private Healthcare Insurance 25 Days Annual Leave + Bank Holidays ...

WebSockets. Knowledge of observability tools (e.g., OpenTelemetry, Grafana).Familiarity with Infrastructure as Code (Terraform).Understanding of financial markets or trading systems. Contribution to open-source projects. Awareness of security principles and DevSecOps practices. Role Band & Level: Professional/5#LI-Hybrid #LI-ASONot The Perfect Fit? Concerned that ...

machine learning libraries (e.g. scikit-learn, XGBoost). Experience with data storage for AI, vector databases, semantic search and knowledge graphs. Actively contributes to open-source AI projects, research publications and industry events/websites. Familiarity with AI security, privacy, and compliance standards e.g. ISO42001. Embracing our differences ...