326 to 350 of 871 Open Source Jobs in London

full stack developer in fintech

Location
Greater London, England, United Kingdom
years of professional software engineering experience, including recent graduates; Strong software engineering foundation demonstrated through professional work, internships, university projects, personal projects, open-source contributions, hackathons, or equivalent technical experience; Hands-on exploration of generative AI, large language models, or agentic systems; Ability to explain technical decisions, trade ...

AI Engineer

Location
Greater London, England, United Kingdom
orchestration, or workflow automation Knowledge of AI governance, assurance, and audit requirements Experience with explainability, evaluation, and bias monitoring for AI systems Familiarity with open-source AI tooling and modern inference frameworks Experience contributing to shared platforms or internal AI enablement teams About us esynergy is a technology ...

Software Engineer

Location
Greater London, England, United Kingdom
solve problems, fight complexity and embrace change. Icon has applied its payments, technical and integration expertise to create IPF: a low-code, cloud-native, open-source technology platform to accelerate payments transformation. Icon’s clients include leading global banks such as BNP Paribas, HSBC, NatWest and Lloyds Banking ...

Software Engineer III - Cloud Data Platform (AWS/Databricks, Terraform)

Location
Greater London, England, United Kingdom
adherence to resiliency and security expectations Preferred qualifications, capabilities, and skills Experience with data lakehouse architectures using Delta Lake, Apache Spark, or similar open‐source frameworks Familiarity with AWS‐native data services such as Glue, Lake Formation, Redshift, or Athena Exposure to data governance practices including cataloging, lineage ...

Senior Analytics Product Manager

Location
Greater London, England, United Kingdom
methodology used to capture customer and product requirements. A minimum of 3 years of experience in the enterprise technology domain, such as cloud technologies, open source, and analytics. 4-7 years’ experience as a Data Scientist, or as a product manager working closely with Data Scientists ...

Lead Infrastructure Software Engineer

Location
Greater London, England, United Kingdom
infrastructural services. These services operate at extremely large scale and store exabytes of data. The platform supports a variety of services based on open-source software, such as Kubernetes, Cassandra, Zookeeper, Kafka, Redis, etc., alongside internally developed services. Description We are looking for a creative, versatile, and passionate ...

Global Pet Nutrition - DT Commercial Solutions Architect

Location
Greater London, England, United Kingdom
agent-to-agent orchestration, context and memory management, and integration of LLM-based reasoning with enterprise data sources and APIs Experience evaluating vendor and open-source agentic AI platforms against enterprise requirements — including assessing agent reliability, hallucination risk, tool-call accuracy, cost-per-task, and observability At least ...

Software Engineer, Macro Quant Analytics Technology

Hiring Organisation
Point72
Location
London, UK
Employment Type
Full-time
forefront of a rapidly evolving technology landscape. We're a team of experts who experiment and work to discover new ways to harness open-source solutions, modern cloud architectures, and sophisticated Artificial Intelligence (AI) solutions, while embracing enterprise agile methodologies. Our commitment to building and innovating ...

Software Engineer, Macro Quant Analytics Technology

Location
Greater London, England, United Kingdom
forefront of a rapidly evolving technology landscape. We’re a team of experts who experiment and work to discover new ways to harness open-source solutions, modern cloud architectures, and sophisticated Artificial Intelligence (AI) solutions, while embracing enterprise agile methodologies. Our commitment to building and innovating ...

Principal Engineer - AI

Location
Greater London, England, United Kingdom
embedding models Experience with model serving frameworks (vLLM, TensorRT, Ray) Experience with A/B testing and experimentation frameworks for AI features Contributions to open‐source ML projects or research publications Experience with model observability tools (LangSmith, W&B;, MLflow) Our Commitment to Diversity, Equity, Inclusionand Belonging (DEIB ...

Junior Machine Learning Engineer

Location
Greater London, England, United Kingdom
building your experimentation skills alongside others We'd love to hear from you if you have... A good working knowledge of Python, including open‐source data libraries such as Pandas, NumPy or Scikit‐learn A background in Computer Science, Mathematics, Statistics or a similar quantitative discipline, whether through ...

Senior Consultant, Digital Forensics and Incident Response

Location
Greater London, England, United Kingdom
data wrangling for log analysis Familiarity with forensic software tools such as EnCase, Nuix, Axiom, Blackbag and forensic hardware tools. Familiarity with open source tools and leveraging commercial tools for forensic use. Established track record for performing forensic collections, involvement in incident response and digital investigations alongside maintaining ...

Sr. Forward Deployed AI Engineer (Remote Eligible in the UK)

Hiring Organisation
Smartsheet
Location
London, UK
Employment Type
Full-time
Technical founder background. Databricks, AWS Bedrock, or Temporal experience. Deep domain knowledge in healthcare, financial services, or government. Agent framework contributions (Strands SDK, LangChain, open-source MCP servers).Proficiency in German/French language will be an added advantageFamiliarity of AI governance, ethics, and regulatory requirements (e.g. GDPR ...

Product Engineer (AI Agent Management)

Location
Harrow, England, United Kingdom
follow through Value collaboration, openness, and continuous improvement Bonus points if you’ve worked with APIs, cloud-native platforms, AI-enabled systems, or open source, but curiosity matters most. Life at Gravitee At Gravitee, we invest in humans, not just roles. You’ll Get Competitive medical coverage Pension ...

Software Development Specialist

Location
Greater London, England, United Kingdom
innovative solutions for the transformation of Vodafone towards the Digital Telco. Work with state-of-the art CI/CD tools, agile infrastructure, and open-source software. As a member of the Vodafone Network Operations Data Science & Software Development department your main focus will be to build scalable ...

Senior AI Engineer — Reasoning & Decision Systems

Location
Greater London, England, United Kingdom
data.Data governance and security in regulated environments.Temporal data, knowledge graphs or semantic modelling.Model adaptation, fine-tuning or feedback-driven improvement.Contributions to applied research or open-source engineering. #J-18808-Ljbffr ...

Senior Software Engineer - London

Hiring Organisation
Perk
Location
London, UK
Employment Type
Full-time
suiteExperience working with high-performing, Agile development teamsPeople who like to build stuff (we really like people who maintain/contribute to open source projects)What do we offer? Competitive compensation including equity in the companyGenerous vacation days so you can rest and rechargeHealth perks such as private ...

Senior Microsoft Security Engineer (XDR, IRM, Deception Engineering)

Hiring Organisation
WTW
Location
Greater London, United Kingdom
Employment Type
Full Time
deception strategy, detection coverage, residual risk, and security improvements to senior stakeholders. Qualifications What you'll bring: Required Skills & Experience: Hands-on experience with: Open-source and commercial deception/honeypot platforms (e.g., Thinkst Canary, T-Pot, Cowrie, OpenCanary, Zscaler Deception) Advanced KQL for detection engineering and threat ...

Sr. Network Engineer - Data Center and Cloud (Hybrid, London)

Location
Greater London, England, United Kingdom
/GCP/OCI/Azure (Professional) Certifications Hyperscaler/CSP background (AWS, GCP, MSFT, OCI or similar) OpenStack/SONiC/Whitebox, FRR, open source network infrastructure experience AI/GPU cluster networking fabrics (RDMA, RoCE, InfiniBand) UK Government, G-Cloud, or Sovereign cloud experience Benefits ...

VP, Head of Data Science

Location
Greater London, England, United Kingdom
that supports their use. This helps build trust in our tools, why they work and shows how they can be applied. We build on open‐source AI software, including LiteLLM and OpenWebUI, to maximise the internal value of AI and build durable institutional capability. Reliability, cost control, observability ...

Sr. Network Engineer - Data Center and Cloud (Hybrid, London)

Hiring Organisation
CrowdStrike
Location
London, UK
Employment Type
Full-time
/GCP/OCI/Azure (Professional) CertificationsHyperscaler/CSP background (AWS, GCP, MSFT, OCI or similar) OpenStack/SONiC/Whitebox, FRR, open source network infrastructure experienceAI/GPU cluster networking fabrics (RDMA, RoCE, InfiniBand)UK Government, G-Cloud, or Sovereign cloud experience#LI-GO1Benefits of Working ...

Principal AI Engineer

Location
Greater London, England, United Kingdom
embedding models Experience with model serving frameworks (vLLM, TensorRT, Ray) Experience with A/B testing and experimentation frameworks for AI features Contributions to open‐source ML projects or research publications Experience with model observability tools (LangSmith, W& B;, MLflow) Our Commitment to Diversity, Equity, Inclusionand Belonging (DEIB ...

Security Operations Analyst, UK

Hiring Organisation
Anduril Industries
Location
London, UK
Employment Type
Full-time
third-party service provider provides risk-intelligence services that may include analysis of sanctions and watchlists, adverse media, public-record information, and other lawful open-source or commercial data sources. This third-party service provider does not act as a consumer reporting agency. Use of this provider helps ...

AI Engineers

Location
Greater London, England, United Kingdom
agent frameworks. Experience with Azure or AWS, containers, on-premise deployments, multi-tenant systems, privacy controls or audit logging. Experience with embeddings, fine-tuning, open-source models or applied research when these are the right tools for a product problem. Perks and Benefits Benefits include private medical insurance ...

Senior Sales Engineer

Location
Greater London, England, United Kingdom
vertical industry experience, especially in Financial Services, Retail, Travel, Transport & Leisure or Public Sector* ## Active engagement in the technical or developer community (e.g., open-source contributions, technical blogging, or community mentorship).* ## Proven track record of designing reusable implementation guides, integration playbooks, or localization toolkits ...