201 to 225 of 484 Open Source Jobs in the UK

Data Analytics Engineer

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
platform's data modelling and architecture Building dashboards and semantic models, and presenting these directly to stakeholders Working across the full pipeline from source systems to target repositories, with a strong focus on data quality Collaborating with Data Scientists to help productionise ML pipelines Operating within an Agile/… experience building data platforms in a commercial setting Nice to have: Real-time pipeline experience Azure Data Engineer certification Exposure to Kafka or other open-source tools Background in a regulated industry (finance/insurance) Details: £60,000 - £70,000 Permanent position Hybrid (Basingstoke ...

Senior Rust Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
long as they are strong senior developers in another systems language (e.g. C/C++ etc.) and can demonstrate proficiency in Rust through open source contributions and/or personal projects. If you have a portfolio of Rust projects that you have authored and can share then this … areas is important to us. Languages Rust, C, C++ and Python About us Founded in 2022, team of 70+ which is expanding rapidly Modern, open offices in London and Bristol Collaborative, problem-solving culture built on deep curiosity, entrepreneurial initiative and technical fluency Fractile offers hybrid working. You will ...

Research Scientist - Machine Learning (Contractor)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
enable advanced reasoning, planning, perception, and multimodal understanding. Design and implement new algorithms for efficient decision‐making under uncertainty with applications to chemistry, physics, open math problems, and robotics. Collaborate with cross‐functional teams to integrate research outputs into scalable systems and real‐world use cases. Explore novel ways … align and enhance AI agents for complex, open‐ended tasks. Actively engage with the broader research community through publications, talks, and opensource contributions. Mentor junior researchers and contribute to the scientific culture of the team. This job description is only an outline of the tasks, responsibilities ...

Senior C++ Developer

Hiring Organisation
BAE Systems
Location
Gloucestershire, United Kingdom
Employment Type
Full Time
systems, meet the end users and in-country support staff. Essential Requirements Software development in C++ including use of modern standards, third-party/open-source software (e.g. boost), writing for performance, and concurrency techniques Detailed knowledge of Linux development including build systems, tools, compilers, kernel and drivers … experiences strengthens our teams and is vital to the work we do. We welcome applications from all candidates and give full, fair and open consideration to everyone. If you require any reasonable adjustments during the recruitment process, please contact our recruitment team to discuss any further support ...

Software Engineer, RL Data

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
ambiguous environments — for example as a founder or CTO, forward deployed engineer, tech lead, founding engineer at a startup, or creator of a substantial opensource project. Trusted to run key projects: you lead and inspire others, plan workstreams effectively, collaborate with cross‐functional stakeholders, and proactively eliminate … tool‐use agentic tasks — and harden them so they behave correctly across millions of rollouts in a frontier training run. Bring a new data source online — from first conversation with a partner organization to data flowing into production training runs — coordinating with product, security, privacy, legal, and infrastructure teams ...

AIML Engineer, AI for Science

Hiring Organisation
GSK
Location
Kent, United Kingdom
Employment Type
Full Time
Salary
84000 to 140000 EUR Annually
will drive the development of AI models and agentic systems - researching, designing, implementing, and delivering solutions across a range of scientific tasks, including open-ended research questions, leveraging high-performance computing and the vast biomedical data sources available at GSK. Team Culture The AI4S team is built … software. Experience with Large Language Models (LLMs) and Agentic AI (e.g., tool use, multi-agent orchestration, deployment and evaluation). Contributions to relevant open-source projects. Relevant scientific publications in AI/ML (e.g., NeurIPS, ICML, ICLR, AAAI), computational biology or bioinformatics venues. Knowledge of or interest ...

Senior Pentester

Hiring Organisation
Foregenix
Location
United Kingdom
application testing across diverse client environments Progressively take part in more advanced offensive security activities, including red teaming, adversary simulations, social engineering engagements, and source code or configuration reviews Simulate attacker behaviour by identifying, chaining, and exploiting vulnerabilities to demonstrate realistic attack paths and impact Support the CRS team … e.g. Python, Perl, Ruby) and one programming language (e.g. C, C++, C#, Java), enabling custom tooling and automation. Experience working with or contributing to open-source projects is a plus. Experience with vulnerability scanning and penetration testing tools; participation in CTFs is highly valued. Strong ability to translate ...

Senior Pentester

Hiring Organisation
Foregenix
Location
United Kingdom, UK
application testing across diverse client environments Progressively take part in more advanced offensive security activities, including red teaming, adversary simulations, social engineering engagements, and source code or configuration reviews Simulate attacker behaviour by identifying, chaining, and exploiting vulnerabilities to demonstrate realistic attack paths and impact Support the CRS team … e.g. Python, Perl, Ruby) and one programming language (e.g. C, C++, C#, Java), enabling custom tooling and automation. Experience working with or contributing to open-source projects is a plus. Experience with vulnerability scanning and penetration testing tools; participation in CTFs is highly valued. Strong ability to translate ...

Principal Engineer, AI & Data Platform

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
enterprise knowledge layer—the governed semantic models, ontologies, and knowledge graph structures that ground both human analytics and AI agents in a single source of truth. Define how business meaning flows from glossaries through data models to agent context.Conversational Analytics. Lead the strategy and delivery of natural-language interfaces … scaleExperience building or operating streaming data infrastructure alongside batch processingBackground in compliance-sensitive environments (SOX, regulatory reporting, audit systems)Published work, conference talks, or open-source contributions in knowledge engineering, semantic AI, or conversational analyticsBullish is proud to be an equal opportunity employer. We are fast evolving ...

Full Stack Engineer

Hiring Organisation
McGregor Boyall
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £100,000 per annum
event-driven architectures Strong understanding of software development best practices Desirable: Financial services or trading systems experience Messaging technologies (AMQP, Solace, Pub/Sub) Open-source contributions Regulatory project experience This is an excellent opportunity for an engineer looking to work on large-scale, business-critical systems while ...

Senior Developer

Hiring Organisation
ISR RECRUITMENT LIMITED
Location
Redhill, Surrey, United Kingdom
Employment Type
Permanent
Salary
£55000 - £60000/annum
Senior Developer to lead and work as part of a team in the system design/development processes. You will be using bespoke and open-source software, primarily Linux based to bring additional value to their in-house and customer solutions. In co-ordination with the Head ...

Senior Data Engineer

Hiring Organisation
Sanderson Government and Defence
Location
Cheltenham, Gloucestershire, South West, United Kingdom
Employment Type
Permanent
help build and maintain a secure batch and real-time data platform for a government client. You'll work with modern commercial and open-source tools to ingest, transform, and deliver data to support analytics and decision-making. Duties & Responsibilities Build, test, and maintain data pipelines Design logical ...

AI / ML Researcher - Hybrid

Hiring Organisation
17918
Location
Chelmsford, Essex, United Kingdom
LangGraph or similar Ability to communicate technical concepts clearly to both technical and non-technical audiences Experience producing technical reports or research documentation Publications, open-source contributions or recognised research within AI/ML would be highly advantageous but not essential Must be eligible for Security Clearance ...

AI / ML Researcher - Hybrid

Hiring Organisation
Anson Mccade
Location
Chelmsford, Essex, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
LangGraph or similar Ability to communicate technical concepts clearly to both technical and non-technical audiences Experience producing technical reports or research documentation Publications, open-source contributions or recognised research within AI/ML would be highly advantageous but not essential Must be eligible for Security Clearance ...

Back End Developer

Hiring Organisation
Consortia
Location
London, UK
shipping high-quality software and continuously improving through production learnings. You'll be working with technologies including: • Python • Node.js • PyTorch • OpenAI, Anthropic and open-source LLMs • SQL & NoSQL databases • Kubernetes • Docker You'll be joining a highly talented engineering team where you'll work on genuinely challenging technical ...

Senior Software Engineer Python

Hiring Organisation
Revolut
Location
South West London, London, United Kingdom
Employment Type
Permanent
bound situations Experience with Docker, K8s, Ansible, Teamcity, monitoring, and alerting Nice to have Experience with prototyping and sketching Multiple side projects or open source contributions Exposure ...

Back End Developer

Hiring Organisation
Consortia
Location
City of London, Greater London, UK
shipping high-quality software and continuously improving through production learnings. You'll be working with technologies including: • Python • Node.js • PyTorch • OpenAI, Anthropic and open-source LLMs • SQL & NoSQL databases • Kubernetes • Docker You'll be joining a highly talented engineering team where you'll work on genuinely challenging technical ...

Back End Developer

Hiring Organisation
Consortia
Location
London Area, United Kingdom
shipping high-quality software and continuously improving through production learnings. You'll be working with technologies including: • Python • Node.js • PyTorch • OpenAI, Anthropic and open-source LLMs • SQL & NoSQL databases • Kubernetes • Docker You'll be joining a highly talented engineering team where you'll work on genuinely challenging technical ...

AI Data Lead

Hiring Organisation
DeepRec.ai
Location
United Kingdom
information retrieval, or document intelligence solutions. Event-driven architectures and messaging platforms. Experience working within highly regulated or data-intensive environments. Contributions to open-source projects or technical communities. What's on Offer Opportunity to shape the future direction of AI-enabled products. High level of autonomy ...

AI Data Lead

Hiring Organisation
DeepRec.ai
Location
United Kingdom, UK
information retrieval, or document intelligence solutions. Event-driven architectures and messaging platforms. Experience working within highly regulated or data-intensive environments. Contributions to open-source projects or technical communities. What's on Offer Opportunity to shape the future direction of AI-enabled products. High level of autonomy ...

Python Software Engineer

Hiring Organisation
Vertex Search
Location
London, UK
modern ML infrastructure (GPU clusters, distributed training, optimization) Knowledge of healthcare data standards, regulations (GDPR, HIPAA), or experience in regulated industries Contributions to open-source projects, particularly in the ML or scientific computing space Experience with cloud platforms (AWS, GCP, Azure) and infrastructure as code The firm offers ...

Python Software Engineer

Hiring Organisation
Vertex Search
Location
City of London, Greater London, UK
modern ML infrastructure (GPU clusters, distributed training, optimization) Knowledge of healthcare data standards, regulations (GDPR, HIPAA), or experience in regulated industries Contributions to open-source projects, particularly in the ML or scientific computing space Experience with cloud platforms (AWS, GCP, Azure) and infrastructure as code The firm offers ...

Python Software Engineer

Hiring Organisation
Vertex Search
Location
City of London, London, United Kingdom
modern ML infrastructure (GPU clusters, distributed training, optimization) Knowledge of healthcare data standards, regulations (GDPR, HIPAA), or experience in regulated industries Contributions to open-source projects, particularly in the ML or scientific computing space Experience with cloud platforms (AWS, GCP, Azure) and infrastructure as code The firm offers ...

Data Engineer (DV Clearable) - Up to £140,000 + Benefits

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Permanent
critical role in designing and building a secure, scalable data platform, enabling both batch and real-time data processing using modern commercial and open-source technologies. This is an excellent opportunity to work on mission-critical systems, solving complex data challenges in a highly secure environment. Key Responsibilities ...

Kubernetes Linux AIOps Engineer - Elite Quant Hedge Fund

Hiring Organisation
Winston Fox
Location
London, UK
write high quality Automation/scripts from scratch. Configuration Management Tools (Ansible/Puppet/Kapitan/Terraform....) Observability: Experience within the modern open-source ecosystem (ELK, OpenTelemetry, LGTM stack, Prometheus, Grafana, Loki...) CI/CD and GitLab/GitOps : working with Development teams. A track-record ...