11 of 11 Contract Open Source Jobs in England

Telemetry and Observability Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£475 - £515 per day
systems Build and enhance observability tooling, including dashboards, monitoring systems, alerting frameworks, and reliability standards Develop and maintain telemetry solutions using OpenTelemetry and related open-source technologies Automate observability infrastructure using Terraform and infrastructure-as-code practices Integrate monitoring and observability into CI/CD pipelines and SDLC … Experience Experience in regulated or large enterprise environments Exposure to AI/ML-driven observability or proactive monitoring initiatives Contribution to or involvement with open-source observability projects If this sounds like a fit, APPLY NOW! Telemetry & Observability Engineer | Contract | £475-£515 p/d | Inside IR35 | London ...

Front End Developer (Angular)

Hiring Organisation
FDM Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£45,000 per annum, Negotiable, Pro-rata, Inc benefits
HTML5, CSS3, CSS Grid, and Flexbox. Work with AstroUXDS and UX designs to deliver high-quality user interfaces. Integrate and maintain third-party and open-source npm packages within Angular applications (for example data-visualisation or mapping libraries). Contribute to automated testing using Playwright and Cucumber. Collaborate … CSS3, CSS Grid, and Flexbox for responsive UI development. Experience using Node.js and npm for build processes and dependency management. Experience integrating and maintaining open-source npm libraries within web applications (for example charting, mapping, or visualisation libraries). Familiarity with automated testing tools such as Playwright ...

Senior Technical Architect AI & Agentification

Hiring Organisation
Response Informatics
Location
London, United Kingdom
Employment Type
Contract
pipelines for agentic workflows). Familiarity with AI safety, alignment principles, guardrail frameworks (e.g. NeMo Guardrails, Guardrails AI), and responsible AI practices. Contributions to open-source AI or agentic projects, published research, or active presence in the technical AI community. Experience in regulated industries (finance, healthcare, legal) where ...

Senior AWS Data Engineer - SC Cleared

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£425 - £450 per day
robust data pipelines for ingestion, processing, and transformation Implement and maintain ETL/ELT workflows feeding data warehouses, data lakes, or lakehouse platforms Leverage open-source and AWS-native tools to deliver scalable data solutions Apply DevOps practices , including CI/CD and automation Ensure solutions align with … solutions Experience working in Agile (Scrum) delivery environments Strong communication and stakeholder-management skills Proactive, collaborative, and delivery-focused mindset Desirable Skills Knowledge of open table formats (Iceberg, Delta) Experience with additional AWS services (CloudWatch, SNS, Athena, DynamoDB, EMR, Kinesis) Data modelling Job scheduling and orchestration tools Data virtualisation ...

Forward Deployed Engineers

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500 per day + Inside IR35
accuracy, latency, and reliability Implement observability and monitoring for agent lifecycle AI Platform Integration Integrate with AI providers (e.g., OpenAI, Anthropic, Google Vertex, open-source models) Build abstraction layers to support multi-model and multi-provider architectures Optimize model usage for performance, cost, and latency Cloud-Native Development ...

AI Engineer

Hiring Organisation
MarkIT Placements
Location
West London, London, United Kingdom
Employment Type
Contract, Work From Home
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 Soft Skills Delivery-focused - you ship working systems, not prototypes Comfortable operating across the stack when needed Strong ...

SOC Engineer - 6 Month FTC

Hiring Organisation
Precise Placements
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£65,000 - £80,000 per annum
propose improvements to ingestion pipelines, parsing rules, correlation logic, and storage management. Implement automation and orchestration components (SOAR) to streamline incident response activities. Log Source Onboarding & Integration Identify, prioritise, and onboard new log sources from cloud, on-prem, network, endpoint, identity, and application platforms. Develop and maintain custom parsers … colleagues at all levels and project a solid, professional attitude consistently. Nice to have Data Loss Prevention Secure Remote Access solutions Network Security solutions Open Source and Cyber Threat Intelligence Suitable experience working with the market leading technology vendor product suites Experience in software-defined and cloud services ...

Scala Developer

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
role with production issues and release management Profile The Scala Developer will have knowledge and experience of a wide range of best of breed open source and commercial technologies - Scala, Kubernetes, Docker, AWS. Experience of software development for high capacity, high traffic, high availability websites/systems Delivery ...

Senior Android Developer

Hiring Organisation
Mpower Plus UK Ltd
Location
Bristol, Somerset, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
design principles, design patterns, and industry best practices Experience with offline data storage , multi-threading, and application performance optimisation Familiarity with the Android open-source ecosystem , including commonly used libraries and tools for benchmarking and optimisation Proficient in Google's Android design guidelines , with hands-on experience using ...

Interim Group Finance Manager | SaaS Scale-Up

Hiring Organisation
Harmonic Group Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£350 - £450 per day
They have a team of bright, passionate people with experience in leading Tech and SaaS scale-ups who are motivated to build the next open-source success story. The Role The Finance Manager will support the CFO closely, with a focus on month end close and group consolidated ...

SOC Manager

Hiring Organisation
Circle Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 - £850 per day
intelligence and assessment in the context of the organisation to stakeholders by gathering and analysing information to identify and mitigate cyber threats from both open-source (OSINT) and commercial threat intelligence. Proven experience operating cyber security solutions and tools e.g. Security Information and Event Management ( SIEM ), maintaining security ...