Contract Open Source Job Vacancies

15 of 15 Contract Open Source Jobs

115425 Platform Engineer

Farnborough, Hampshire, United Kingdom
CBSbutler Holdings Limited trading as CBSbutler
Produce high-quality handover documentation for support teams Experience required: Developing infrastructure solutions on Microsoft Azure or private cloud platforms, delivering high availability and fully automated environments using primarily open-source software. Practical experience with Infrastructure as Code , particularly using OpenShift . Proven expertise with containerisation and orchestration tools, especially Kubernetes (preferably EKS ). Experience with configuration management More ❯
Employment Type: Contract
Rate: GBP 600 - 625 Daily
Posted:

Full-stack developer

Manchester, Lancashire, England, United Kingdom
Hybrid / WFH Options
Sanderson
pair programming, and continuous integration/deployment processes. Help troubleshoot and resolve live service issues, ensuring high availability and resilience. Work within GDS (Government Digital Service) standards, contributing to open-source where applicable. Essential Skills and Experience Tech stack: Frontend- Express/Casa/Nunjuks with Typescript Backend- Java/Spring boot with some AWS integration's (SNS More ❯
Employment Type: Contractor
Rate: £400 - £432 per day, Inc benefits
Posted:

Java Developer

Northampton, Northamptonshire, England, United Kingdom
Hybrid / WFH Options
Gibbs Hybrid
Project Reactor) Experience with event-driven architecture Experience with DevOps and Automation Familiarity with domain-driven design principles Experience with test-driven development and automated testing frameworks Contributions to open-source projects Please feel free to contact myself - Daisy Nguyen at Atrium UK/Gibbs Consulting for a confidential chat to know more details about the role. Please More ❯
Employment Type: Contractor
Rate: £420 per day
Posted:

Camunda Tech Lead

London, United Kingdom
Hybrid / WFH Options
Queen Square Recruitment Limited
delivery of product features. Key Responsibilities Design and deploy custom workflow solutions using Camunda SaaS Build and configure Camunda Postgres connectors, job workers, service tasks, and user tasks Lead open-source delivery initiatives and support internal project teams Collaborate with engineering, product, and business teams to align on requirements and architectural direction Ensure robust, scalable, and high-performing More ❯
Employment Type: Contract
Posted:

Machine Learning Engineer

Sheffield, South Yorkshire, Yorkshire, United Kingdom
Hybrid / WFH Options
VANLOQ LIMITED
applications, from development through deployment, monitoring, and maintenance. Required Experience: Proven experience in Document AI/Intelligent Document Processing , using both traditional ML methods and Generative AI , preferably with open-source models. Solid Python programming skills with a focus on ML, NLP, deep learning, generative AI, and image/OCR processing. Hands-on experience with frameworks such as More ❯
Employment Type: Contract
Posted:

Elastic Consultant

United Kingdom
Claremont Consulting
journeys, helping to provide technical oversight, ongoing knowledge transfer and enablement. Use cases extend across all the Elastic Solutions such as Enterprise Search, Observability and Security. We would be open to candidates that specialise in one area or all three. Technical Skills: Hands-on experience and an understanding of Elasticsearch or similar distributed datastore technology Experience as a Software … Engineer, System Administrator, or DevOps Engineer and proficient in at least one programming language Understanding and passion for open-source technology and knowledge Hands-on experience with large distributed systems from an architecture and development perspective Understanding of Linux, Java and databases Strong understanding of Lucene Apply now for immediate consideration More ❯
Employment Type: Contract
Rate: £400 - £600 per day + Outside IR35
Posted:

AI Solution Architect

Manchester, Lancashire, England, United Kingdom
Hays Specialist Recruitment Limited
regulated environments is required. Deep understanding of AI/ML lifecycle, model governance, and ethical AI principles. AI technical experience including AWS Bedrock, Azure AI Foundry, Google Vertex and open-source AI/ML stacks. Contribute to reusable architecture patterns and support internal capability uplift. Background in regulated environments and ability to interpret complex technical requirements into deliverable … teams. A strong technical or development background is required along with the ability to discuss the details of a broad range of industry-standard technologies, across both proprietary and open-source technology stacks. The role involves assuring other services and system quality, making sure the technical work fits into the broader strategy for government as well as exploring More ❯
Employment Type: Contractor
Rate: £700 - £750 per day
Posted:

AI Solution Architect

Manchester, North West, United Kingdom
Hays
regulated environments is required. Deep understanding of AI/ML lifecycle, model governance, and ethical AI principles. AI technical experience including AWS Bedrock, Azure AI Foundry, Google Vertex and open-source AI/ML stacks. Contribute to reusable architecture patterns and support internal capability uplift. Background in regulated environments and ability to interpret complex technical requirements into deliverable … teams. A strong technical or development background is required along with the ability to discuss the details of a broad range of industry-standard technologies, across both proprietary and open-source technology stacks. The role involves assuring other services and system quality, making sure the technical work fits into the broader strategy for government as well as exploring More ❯
Employment Type: Contract
Rate: £700.00 - £750.00 per day + £700- £750 Per Day (Inside IR35)
Posted:

Software Sr. Project Manager

London, South East, England, United Kingdom
Hybrid / WFH Options
Obsidian Systems
managing technical projects with fully remote teams Experience with a variety of project management methodologies (Scrum, Kanban, etc.) Experience with multiple software domains including fintech, blockchain, AI, data science, open-source development, SaaS applications What we offer: The opportunity to work on cutting edge projects with an accomplished and talented group of software engineers and co-founders. A More ❯
Employment Type: Contractor
Rate: £60,000 per annum
Posted:

Software Developer in Test Java Contract Dublin

Dublin, City of Dublin, Republic of Ireland
Adecco
Code quality, Testing Services, Testing and Environment automation, Development Collaboration, Continuous Integration). You will have good understanding of BDD/TDD practices, code review and analysis techniques, and open source agile testing frameworks. You will Author automated test suites with code, front end GUI automation and API testing. Regression/integration testing as release moves through different More ❯
Employment Type: Contract
Rate: £474 - £517/day ltd company
Posted:

AI Lead Enterprise Architect

London, South East, England, United Kingdom
Hays Specialist Recruitment Limited
niche and spans enterprisearchitecture, information assurance and applied AI ethics. We welcomeapplications from people with a wide range of AI technical experience includingAWS Bedrock and Azure AI Foundry and open-source AI/ML stacks. What you'll need to succeed The successful candidate will design, develop, implement and maintain the Enterprise Architecture. They will also be responsible More ❯
Employment Type: Contractor
Rate: £750 per day
Posted:

Linux Kernel Developer

Cambridgeshire, England, United Kingdom
Hybrid / WFH Options
X4 Technology
processor completing Linux Kernel Device Driver development at the forefront of the technology. You will be using Yocto 5.0 and later and have the opportunity to contribute upstream with open source contributions to the Linux Foundation and community maintainers. This is a great opportunity to work with a company that are one of the top Open Source More ❯
Employment Type: Contractor
Rate: Competitive salary
Posted:

Data and Risk Officer

Southwark, London, England, United Kingdom
Reed
average of 37 hours. Contract Duration: 6 months (covering paternity absence) Pay rate: £28.42 per hour via PAYE or £37 per hour via Umbrella Person Specification: Proven experience in open-source intelligence and collection methodologies, with the ability to transform this information into actionable insights. Strong understanding of information management principles and data protection legislation. Experience providing guidance More ❯
Employment Type: Contractor
Rate: £28.42 - £37.00 per hour
Posted:

Agentic AI Engineer

London, South East, England, United Kingdom
Lorien
and well-documented code in a collaborative environment.Desirable:Experience with multi-agent coordination or LLM-based autonomous agents.Background in distributed systems, knowledge graphs, or real-time data processing.Contributions to open-source AI projects or relevant research publications. Carbon60, Lorien & SRG - The Impellam Group STEM Portfolio are acting as an Employment Business in relation to this vacancy. More ❯
Employment Type: Contractor
Rate: £0 per annum
Posted:

AI / Machine Learning Engineer - Document AI /Intelligent Document

Sheffield, South Yorkshire, Yorkshire, United Kingdom
Essential Consulting
testing and production support of the application. Key Experience: MUST HAVE Strong experience in Document AI/Intelligent document processing using traditional models and Generative AI - particularly in using open source models for achieving business outcomes. Minimum 2-3 years practical (not theoretical) experience in Machine Learning Experience delivering to production in python, with a focus on machine More ❯
Employment Type: Contract
Posted:
Open Source
10th Percentile
£395
25th Percentile
£425
Median
£525
75th Percentile
£600
90th Percentile
£716