23 of 23 Contract Open Source Jobs

Engineering Lead

Hiring Organisation
Teksystems
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
architecture discussions and engineering governance. Improve operational resilience, monitoring, observability and platform performance. Promote a "build not buy" mindset where appropriate, leveraging automation and open-source technologies. Required Experience Proven Experience as a: o Principal Engineer o Engineering Lead o Lead Software Engineer o Senior Lead Engineer … Microservices Architecture Distributed Systems DevOps practices Observability and monitoring Beneficial Kubernetes Platform Engineering Event-Driven Architecture Site Reliability Engineering (SRE) Infrastructure as Code Open-source technologies Messaging technologies IBM MQ Managed File Transfer (MFT) Sterling Connect:Direct Control-M What We're Looking For The ideal candidate will ...

Intelligence Support Officer

Hiring Organisation
Red Snapper Recruitment Limited
Location
Burnley, Lancashire, United Kingdom
Employment Type
Contract
Contract Rate
£12.84 - £13.84/hour
public safety & enterprise security recruitment specialist. We assist public safety employers find the right talent. We assist all employers when they want to source public safety and enterprise security skills and experience. Intelligence Support Officer Location: Parker Lane, Burnley Contract: Full Time, 3-month initial contract with possible extensions … information to support tasking and resource decisions. Liaise with internal teams, other organisations and external agencies to support effective information sharing and communication. Undertake open-source and digital media research where required. Maintain accurate computerised records and intelligence systems. Carry out administrative duties to support the effective running ...

Senior Cloud Engineer - SC Cleared

Hiring Organisation
VIQU IT Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - 550 per day
Google Cloud, and needs someone to own the ground it runs on. GKE, infrastructure as code, CI/CD and observability, on a deliberately open-source stack with no managed-service shortcuts. You run it yourself rather than consuming managed equivalents. The interesting part is the topology ...

Full Stack Engineer - Contract - Long Term

Hiring Organisation
VIQU IT Recruitment
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 ...

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 ...

Software Engineer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£750 - £830/day
Kubernetes (e.g. GKE). Familiarity with GCP networking and security controls - VPC, VPC Service Controls (VPC-SC), and private connectivity. Contributions to relevant open-source projects. Knowledge or interest in disease biology, molecular biology and medicine. Experience working with biomedical data (e.g., genomics, transcriptomics, proteomics, electronic health records ...

Golang Engineer

Hiring Organisation
Talent-Relay Limited
Location
Burgess Hill, West Sussex, South East, United Kingdom
Employment Type
Contract
Contract Rate
£67,832
Kubernetes . Knowledge of Java or another backend programming language. Experience with gRPC or GraphQL . Experience working with cloud technologies. Contributions to open-source projects. Why Apply? This is a strong opportunity for a Golang Engineer/Go Developer to join a high-profile financial services technology ...

Senior AI Engineer

Hiring Organisation
MarkIT Placements
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £700 to £900 per day
OWASP. Experience working with highly regulated, mission-critical or data-intensive organisations. Experience with large-scale data platforms and distributed search. Contributions to open-source AI/ML projects. The Engineering Challenge This isn't a role focused on experimenting with AI in notebooks or stitching together ...

Software Engineering Specialist

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £400/day
bridge the gap between traditional telecommunication protocols and modern cloud-based AI. Your core focus will be developing stable SIP services using Java, managing open-source media engines, and integrating advanced Speech AI technologies across multi-cloud environments. Key Responsibilities SIP Development: Develop, test, and maintain ...

Senior AI Engineer

Hiring Organisation
Deerfoot Recruitment Solutions
Location
Oxford, Oxfordshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£700 - £900 per day + outside IR35
Model Context Protocol (MCP) Awareness of secure-by-design frameworks (ISO 27001, NIST, OWASP) Background in defence, national security or other regulated sectors Open-source AI/ML contributions Why Apply Real technical ownership: shape the architecture, not just work through a backlog Work at the leading edge ...

Senior Backend Engineer

Hiring Organisation
Fruition Group
Location
United Kingdom
Employment Type
Contract
take ownership across the full development lifecycle, from system design and implementation to optimisation and release. You'll be working in an open, fast-moving environment where ideas get tested quickly and good engineering practices are taken seriously. If you like seeing your work go live within days … technology-driven organisations or start-ups Experience with Kafka, Cassandra, gRPC, and microservices architecture will also be beneficial, as well as experience contributing to open-source projects If you're a Senior Backend Engineer looking for a fast-paced, collaborative contract role where your work will ship quickly ...

Senior Linux Engineer

Hiring Organisation
Summer Browning Associates
Location
Glasgow, City of Glasgow, United Kingdom
Employment Type
Contract
Contract Rate
£0.00 - £1/day Competitive Inside IR35 Day Rate
VMware and Hyper-V. A solid understanding of common services, applications, and protocols, including HTTPS, SSH, DNS, NTP, and SSL. Experience with the open-source automation tool Ansible. Experience working in a cloud infrastructure environment, including AWS, Azure, or GCP. Proficiency in managing Ceph storage or Linux storage ...

Kong API Gateway Specialist

Hiring Organisation
EUROPEAN SOFTWARE SOLUTIONS (UK) LIMITED
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 per day
teams. Facilitate governance reviews, architecture discussions, and design workshops. Required Skills & Experience Technical Skills Strong hands-on experience with Kong API Gateway (Enterprise or Open Source). Extensive experience in API management and governance. Strong understanding of RESTful APIs, OpenAPI Specifications (Swagger), and API design best practices. Experience ...

Senior Cloud Engineer - SC Cleared

Hiring Organisation
VIQU IT Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 450 - 550 Daily
Google Cloud, and needs someone to own the ground it runs on. GKE, infrastructure as code, CI/CD and observability, on a deliberately open-source stack with no managed-service shor click apply for full job details ...

Senior Test Engineer

Hiring Organisation
Stealth IT Consulting Limited
Location
United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£458 per day £458/day inside IR35
Ensure NFT evidence is sufficient to support confident release decisions Tech Stack: Test automation using JavaScript-based frameworks such as WebdriverIO, Playwright or Cypress Open-source JS-based libraries/frameworks for API testing, or Postman JMeter or K6 for load and performance testing CI/CD pipelines ...

Senior Infrastructure Integration Engineer

Hiring Organisation
Robert Walters
Location
Glasgow, Lanarkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Integrate, test and secure infrastructure codebases, focusing on vulnerability remediation, code hardening and reliable production releases. Develop and maintain Python-based automation, integrating vendor, open-source and internal infrastructure solutions. Build and enhance CI/CD pipelines, automated testing and release validation processes. Create test and rollout plans ...

Senior Scala/JVM Software Developer

Hiring Organisation
scrumconnect ltd
Location
City, Newcastle Upon Tyne, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
digital services within UK central government or the wider public sector. Desirable experience Experience working with regulated public-sector, GDS, or financial-services environments. Open-source contributions to government engineering ecosystems. Active community-of-practice contribution (technical talks, blog posts, or internal Scala mentoring). Location and working ...

Senior Qt Developer - FTC [UK]

Hiring Organisation
Spyrosoft Ltd
Location
United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£70,000
Widgets based on a new GUI designed in Figma making the application easier to debug. Knowledge of Git is needed for source control. We are looking for someone who enjoys building high-quality user experiences for embedded systems and can comfortably operate in an international, fast-moving engineering environment. … integration tools have excellent communication skills Desirable Skills/Knowledge/Experience Understanding of Agile methodologies and Proof of Concept development Experience contributing to open-source projects Experience with 3D graphics or rending technologies Tools and Technology QML Figma Git Experience A degree in Computer Science, Software Engineering ...

Scala Developer

Hiring Organisation
scrumconnect ltd
Location
Edinburgh, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
Experience delivering digital services within UK central government or the wider public sector Desirable experience - Experience with regulated public-sector or financial-services environments - Open-source contributions to government engineering ecosystems - Active community-of-practice contribution (talks, blog posts, internal teaching) Location and working pattern Hybrid working Location ...

Business Analyst

Hiring Organisation
Ncounter Limited
Location
SW11, Latchmere, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £650/day Outside IR35
evaluation • Strong stakeholder management across multidisciplinary teams Experience within the Home Office, National Security, policing or intelligence would be particularly relevant, while exposure to Open Source Intelligence, OSINT, would also be beneficial. We are looking for someone comfortable bringing structure to uncertain requirements, challenging assumptions and turning evidence ...

Cyber Engineering Consultant

Hiring Organisation
ARM
Location
Bristol, Gloucestershire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
design processes (ISN2023/09), associated policies and practices across the lifecycle. Experience outside of traditional enterprise IT scenarios extending to proprietary and open-source software, firmware and electronic hardware. Exposure to Operational Technology (OT) (in alignment with standards such as IEC62443). Experience working with cyber ...

Cyber Security Engagement and Community Coordinator

Hiring Organisation
itecopeople
Location
Berkshire, United Kingdom
Employment Type
Contract
Contract Rate
£325 - £375/day
working alongside an external SharePoint consultancy. Coordinating regional working groups covering European cyber security regulation, including NIS2 and the Cyber Resilience Act. Researching credible open-source cyber security intelligence and curating relevant news, regulatory updates, threats and industry developments for the EMEA security community. Building relationships with cyber ...

Cyber Security Analyst - Training Course

Hiring Organisation
Netcom Training
Location
Watford, Hertfordshire, United Kingdom
Employment Type
Permanent, Contract, Temporary, Part Time, Apprenticeship
flag above) Spaces: Limited to 35 learners per cohort What you'll learn Applying cyber security principles and risk assessment Gathering threat intelligence, including open source intelligence (OSINT) Carrying out security testing and identifying vulnerabilities Planning incident response and writing post-incident reports Potential roles this training could ...