376 to 400 of 1,567 Open Source Jobs in the UK

Fullstack Software Engineer - Core

Location
Ledbury, England, United Kingdom
integrate the best of data and AI tech, selecting tools that truly enhance our product. From the latest LLMs to our dedication to open source communities, you'll work with a dynamic range of technologies and contribute to the collective knowledge of global tech innovators. You can find … rooted in the idea that everyone should be treated with dignity, decency and fairness. Dataiku also believes that a diverse identity is a source of strength and allows us to optimize across the many dimensions that are needed for our success. Therefore, we are proud to be an equal ...

Senior Linux Engineer

Location
Greater London, England, United Kingdom
example HTTPS, SSH, DNS, NTP and SSL.Good understanding of common services, applications and protocols, for example HTTPS, SSH, DNS, NTP and SSL. Experience with open-source Ansible automation tooling. Good understanding of troubleshooting Linux issues to 4th line. Demonstratable experience of Agile/DevOps working practices. Experience ...

AI / Machine Learning Engineer – Agentic LLM Systems (Contract)

Location
Greater London, England, United Kingdom
agent-generated code and workflowsBuild frameworks for tool-calling, multi-step planning, orchestration, and agent routingIntegrate with LLM providers (OpenAI, Anthropic, Vertex AI, open-source models) and support multi-model usageDevelop backend services and APIs to support AI-driven applications and workflowsBuild and run experiments to improve reliability ...

Machine Learning Engineer (Applied AI ML)

Location
Greater London, England, United Kingdom
data technologies; constructing batch and streaming microservices exposed as REST/gRPC endpoints; container orchestration tools such as Kubernetes or Helm; open-source NLP datasets and benchmarks; implementing distributed, multi-threaded, or scalable applications; a track record of developing and deploying business-critical machine learning models #J ...

Director of AI

Location
Tendring, England, United Kingdom
equivalent professional experience. NICE TO HAVES Experience delivering AI solutions in regulated, privacy-sensitive, or large-scale enterprise environments. Experience with model fine-tuning, open-source models, multimodal AI, voice agents, or computer-use agents. Experience implementing enterprise AI security controls, including prompt-injection defenses, tool permissions ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
automation, and modern software delivery practices. Strong testing capabilities across Unit, Component, Integration, End-to-End, and Performance Testing. Familiarity with JVM ecosystem technologies, open-source frameworks, and production support. Non-Technical Skills Strong leadership, ownership, and problem-solving mindset. Ability to thrive in ambiguous and rapidly changing ...

Senior Platform Engineer Cheltenham

Location
Cheltenham, England, United Kingdom
tooling such as SAST, DAST, SBOM generation, vulnerability scanning or policy-as-code. Experience working in high-security or regulated environments. Experience contributing to open-source projects. Experience of using AI Agents and understanding of AI Governance in secure environments. Benefits Competitive salary, bonus and options scheme. Opportunities ...

AI Native Software Engineer – Agentic & Applied AI

Location
Birmingham, England, United Kingdom
systems Building RAG pipelines, including embeddings, chunking, vector search and context engineering Integrating LLM APIs across providers such as OpenAI, Anthropic, Vertex AI and open-source models Building orchestration, tool invocation, routing and memory capabilities Developing evaluation frameworks and measuring accuracy, latency, cost and safety Implementing LLMOps practices ...

AI Native Software Engineer – Agentic & Applied AI

Location
Greater London, England, United Kingdom
systems Building RAG pipelines, including embeddings, chunking, vector search and context engineering Integrating LLM APIs across providers such as OpenAI, Anthropic, Vertex AI and open-source models Building orchestration, tool invocation, routing and memory capabilities Developing evaluation frameworks and measuring accuracy, latency, cost and safety Implementing LLMOps practices ...

Full Stack Engineer - Must be DV Cleared

Hiring Organisation
VIQU IT Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
RKE2 or OpenShift. Data at scale. Spark, Trino, Parquet, Iceberg or similar columnar and distributed query tooling. GPU workloads and serving models on-premise. Open source contributions or a portfolio worth a look. Mentoring engineers or leading a small delivery team. DV clearance, or eligibility for it. Interested ...

Full Stack Engineer - Contract - Long Term

Hiring Organisation
VIQU IT
Location
London, United Kingdom
Employment Type
Contract
RKE2 or OpenShift. Data at scale. Spark, Trino, Parquet, Iceberg or similar columnar and distributed query tooling. GPU workloads and serving models on-premise. Open source contributions or a portfolio worth a look. Mentoring engineers or leading a small delivery team. DV clearance, or eligibility for it. Interested ...

Lead/Principle Data Engineer

Hiring Organisation
Sanderson Government and Defence
Location
Cheltenham, Gloucestershire, South West, United Kingdom
Employment Type
Permanent
play a key role in building and enhancing secure batch and real-time data processing capabilities, working with modern cloud technologies and industry-leading open-source tools. As part of a collaborative Agile team, you'll help design, develop, and optimise data pipelines, ensuring data is accurately processed ...

Platform Engineer

Location
Greater London, England, United Kingdom
troubleshooting skills. Experience in building/deploying tools related to data pipelines, ETL processes. Confident with cloud‐native technologies like Kubernetes, Docker. Experience deploying open‐source technologies such as Python, Node.JS, Ruby, Postgres and related CI/CD pipelines. Good understanding of cloud security best practices and security ...

Senior Platform Engineer

Location
Greater London, England, United Kingdom
troubleshooting skills. Experience in building/deploying tools related to data pipelines, ETL processes. Confident with cloud-native technologies like Kubernetes, Docker Experience deploying open-source technologies such as Python, Node.JS, Ruby, Postgres and related CI/CD pipelines Good understanding of cloud security best practices and security ...

Lead Data Scientist - Public Sector (security cleared)

Hiring Organisation
Hackajob Ltd
Location
Belfast, UK
Gemini), machine learning libraries (e.g. scikit-learn, XGBoost). Experience with data storage for AI, vector databases, semantic search, and knowledge graphs. Contributions to open-source AI projects or research publications. Familiarity with AI security, privacy, and compliance standards e.g. ISO42001. Embracing our differences We believe ...

Senior AI Engineer

Hiring Organisation
MarkIT Placements
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £700 to £900 per day
. Secure-by-design development principles, including ISO 27001, NIST or OWASP. Experience within defence, national security or other highly regulated environments. Contributions to open-source AI/ML projects. Security Clearance Due to the nature of the work, applicants must be eligible to obtain UK security clearance ...

Lead Data Scientist - Public Sector (security cleared)

Hiring Organisation
Hackajob Ltd
Location
Belfast, County Antrim, Northern Ireland, United Kingdom
Employment Type
Permanent
Claude, Gemini), machine learning libraries (e.g. scikit-learn,XGBoost). Experience with data storage for AI, vector databases, semanticsearch,and knowledge graphs. Contributions to open-source AI projects or research publications. Familiarity with AI security, privacy, and compliance standardse.g. ISO42001. Embracing our differences We believe in the power ...

Senior Lead Software Data Engineer – Corporate Know Your Customer

Location
Auchentibber, Scotland, United Kingdom
Experience with modern data platforms such as Databricks or Snowflake Hands-on expertise with Spark/PySpark and big data processing technologies Knowledge of open-source table formats and catalog services such as Apache Iceberg Experience with LLM orchestration frameworks and model serving infrastructure or managed endpoints Familiarity ...

Senior Lead Site Reliability Engineer

Location
Glasgow, Scotland, United Kingdom
postmortems for high-availability services Deep understanding of distributed system design principles, networking (TCP/IP, DNS, load balancing), and Linux internals Contributions to open-source observability or telemetry projects Experience working with agent control planes and management protocols; hands‐on knowledge of OpAMP is highly desirable J.P. ...

Lead Software Data Engineer - Corporate Know Your Customer

Hiring Organisation
Hackajob Ltd
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Permanent
modern data platforms such as Databricks or Snowflake Deep hands-on experience with Spark/PySpark and other big data processing technologies Expertise in open-source table formats and catalog services such as Apache Iceberg Experience with LLM orchestration frameworks and model serving infrastructure or managed endpoints ...

Lead Software Data Engineer - Corporate Know Your Customer

Hiring Organisation
JP Morgan Chase
Location
Glasgow, UK
Employment Type
Full-time
skillsExperience with modern data platforms such as Databricks or SnowflakeDeep hands-on experience with Spark/PySpark and other big data processing technologiesExpertise in open-source table formats and catalog services such as Apache IcebergExperience with LLM orchestration frameworks and model serving infrastructure or managed endpoints (AWS Bedrock ...

Responsible AI, Lead Applied Scientist - X Delivery

Hiring Organisation
Boston Consulting Group
Location
London, UK
with d eveloper tools , including IDEs (e.g., VSCode , Pycharm )and environment management (e.g., P yenv , C onda , P oetry , D ocker) Demonstrable contribution to open-source evaluations of GenAI Who You'll Work With You’ll work in a fast-paced, intellectually challenging, product-oriented environment where ...

Engineering Manager (Identity)

Location
Greater London, England, United Kingdom
identities into a unified identity model. 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 standardising communication patterns ...

Engineering Manager - Communications Platform

Hiring Organisation
ebury
Location
London, United Kingdom
Salary
£ 70 K
marketing and 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 in a centralized ...

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 ...