201 to 225 of 868 Open Source Jobs in London

Engineering Manager - Communications Platform

Location
Greater London, England, United Kingdom
sales team driving growth and retention. Familiarity with cloud computing platforms (e.g., AWS, GCP, Azure) and containerisation technologies (e.g., Docker, Kubernetes). Contributions to open-source projects or a personal portfolio demonstrating technical curiosity and skill. Experience with Domain-Driven Design (DDD) and standardizing communication patterns ...

Senior Software Engineer, CoinDesk Media

Location
Greater London, England, United Kingdom
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 ...

Site Reliability Engineer with Python

Hiring Organisation
Nexus Jobs
Location
London, UK
Employment Type
Full-time
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 ...

Systems Engineer

Hiring Organisation
Tower Research Capital
Location
London, UK
Employment Type
Full-time
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 ...

Lead Site Reliability Engineer (Kubernetes Required) - Hybrid

Location
Greater London, England, United Kingdom
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 ...

Sr. Software Engineer, DevOps (Remote)

Location
London, United Kingdom
production Appreciation of clean code and software engineering best-practice Infrastructure: AWS, GCP, Azure, Kubernetes Code: Go (and a little Java), containerised microservices, CQRS, open source TDD/BDD, Pair Programming, 100% remote, SecDevOps A remote first group of highly skilled, collaborative, and forward-thinking individuals passionate about … with Talent Team We hire talented people from a variety of backgrounds and experiences and are committed to a work environment based on diversity, open-mindedness and curiosity. If you consider yourself to be neurodiverse or physically disabled under the UN definition of disability and would like ...

Senior Software Engineer, Platform

Location
Greater London, England, United Kingdom
companies run Apache Airflow at scale. Our R&D organization is home to some of the most innovative minds in cloud infrastructure and open-source software. We're looking for a Senior Software Engineer to join our Platform Engineering team. You get to go in at the ground … Things : Be directly involved in determining how our platform works. Participate in incident management and determine sensible practices as the platform evolves. Garage Door Open : Create and maintain comprehensive internal documentation for systems and processes, ensuring clarity and accessibility. What you bring to the role: Strong experience ...

London - ML Ops Engineer II (Experiences)

Location
Greater London, England, United Kingdom
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 ...

Senior Applied AI Engineer (Defence Contractor)

Location
Greater London, England, United Kingdom
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 ...

Engineer C# (Full Stack)

Location
City Of London, England, United Kingdom
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 ...

Senior Pipeline TD - Film 2D

Location
City Of London, England, United Kingdom
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 ...

Security Engineer - Software Security Enablement

Hiring Organisation
Bloomberg
Location
London, UK
Employment Type
Full-time
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 ...

Senior AI Engineer - Agentic AI

Location
Greater London, England, United Kingdom
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 ...

Engineering Site Lead

Location
Greater London, England, United Kingdom
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 ...

Associate Director Lead AI Architect

Hiring Organisation
Anson Mccade
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
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 ...

Senior Data Scientist

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
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 ...

Data Scientist Manager

Location
Westminster, West End, United Kingdom
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 ...

Engineer C# (Full Stack)

Location
Greater London, England, United Kingdom
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-ASO**Not The Perfect Fit?**Concerned ...

Data Scientist Manager

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
Claude, Gemini), machine learning libraries (e.g. scikit-learn,XGBoost). Experience with data storage for AI, vector databases, semanticsearchand knowledge graphs. Actively contributes to open-source AI projects, researchpublicationsand industry events/websites. Familiarity with AI security, privacy, and compliance standards e.g. ISO42001. Embracing our differences We believe ...

Senior Machine Learning Engineer

Hiring Organisation
Trainline
Location
London, UK
Employment Type
Full-time
experience productionising machine learning models, with strength in an area such as predictive modelling, classification, regression, optimisation or recommendation systemsStrong proficiency in Python and open-source data libraries such as Pandas, NumPy and Scikit-learnA solid grounding in statistical methodologies, along with data extraction, manipulation and feature engineering ...

Senior Machine Learning Engineer

Location
Greater London, England, United Kingdom
productionising machine learning models, with strength in an area such as predictive modelling, classification, regression, optimisation or recommendation systems Strong proficiency in Python and open-source data libraries such as Pandas, NumPy and Scikit-learn A solid grounding in statistical methodologies, along with data extraction, manipulation and feature ...

Staff Engineer, AI/ML

Location
Greater London, England, United Kingdom
rapid prototypes, and bringing them to production with a focus on measurable ROI. Familiarity with distributed systems and large-scale data processing. Contributions to open-source projects or a strong GitHub portfolio. Thought leadership, any articles or talks you’ve given? High levels of technical curiosity ...

Senior Developer WordPress PHP

Location
Greater London, England, United Kingdom
MacOS developer environment. For front-end development, we value a robust understanding of the underlying web technologies. We value well-maintained, open-source tools that can be used to produce semantic HTML, performant CSS and unobtrusive JavaScript and we assess all our services against accessibility criteria. Check ...

Lead DevOps Engineer

Location
Greater London, England, United Kingdom
regulated workloads. Experience with data‐intensive systems such as Spark, Databricks, or Data Mesh. Programming experience in Go, Python, or TypeScript. Contributions to open‐source or CNCF community projects. Job Benefits How we work: Hybrid working and the option to work from almost anywhere ...

Software Engineer

Location
Greater London, England, United Kingdom
people with the following attributes: Exceptional ability. Whether in work, school, side projects, or elsewhere, you will have demonstrated exceptional ability. We are open minded about the exact form this takes. You have played a key role in an early stage startup You have won hackathons, math, or physics … competitions You have an impressive side project, like a popular blog or open source library. Excellent communication. In speech and writing. Conscientiousness. You want to do good work, regardless of oversight. You are excited to have freedom to work without too much process and friction ...