Freelancer UK
  • All Jobs
  • Outside IR35
  • Agencies
  • Post a Job
  • Pricing
  • Guides
  • Sign in
  • Sign up
  • All Jobs
  • Outside IR35
  • Agencies
  • Post a Job
  • Pricing
  • Guides

Email me jobs like this

Email me jobs like this
Refine Search
Search within
10 miles
10 miles 20 miles 50 miles 100 miles 200 miles
Refine by IR35 Status
Unknown Status 62 Inside IR35 21 Outside IR35 19
Refine by Categories
Engineering 45 Information Technology 25 Construction 24 Facilities 5 Management 2 Other 2
Finance 1 General Labor 1 Legal 1 Marketing 1
More
Refine by Job Type
Contractor 102
London gas engineer

102 gas engineer jobs found in London

CL
Aug 06, 2026  
Gas Engineer
Gas Engineer We are looking for a Gas Engineer in orth London who specialises in the Servicing of gas appliances within the social housing sector. Job Description Service only Contract £24 a service Social Housing Servicing of Gas Appliances 3 days minimum commitment Skills / Qualifications Must be ACS qualified for 2 years minimum, including HTR1 and CKR1. Must have own van, tools and insurances. Must have prior experience within servicing of Gas Appliances. If you are a Gas Engineer in North London who specialises in Servicing, please get in touch to discuss this opportunity in more detail
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Aug 06, 2026  
Gas Engineer
Gas Engineer We are looking for a Gas Engineer in West London who specialises in the Servicing of gas appliances within the social housing sector. Job Description Service only Contract £24 a service - 8-10 jobs a day  Social Housing Servicing of Gas Appliances 3 days minimum commitment Skills / Qualifications Must be ACS qualified for 2 years minimum, including HTR1 and CKR1. Must have own van, tools and insurances. Must have prior experience within servicing of Gas Appliances. If you are a Gas Engineer in West London who specialises in Servicing, please get in touch to discuss this opportunity in more detail
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Jul 01, 2026  
Gas Engineer
Subcontract Gas Boiler Installation Engineer Work with a Market-Leading Heating Company Location: Within your agreed local radius (average travel: 45 minutes) Type: Subcontractor – Self-Employed (3–5 days per week) Payment: Weekly pay Accepted: LTD Companies and Sole Traders About the Role We are recruiting subcontract gas engineers to install gas boilers for a well-established, market-leading heating company. All work is within the social housing domestic sector, with consistent projects available 3–5 days per week. Jobs are assigned via an online portal, tailored to your preferred working area. Full system training will be provided during onboarding. This is a great opportunity for professional gas engineers seeking guaranteed weekly work and flexibility close to home. What We Offer ● Guaranteed weekly workload ● Work allocated within your local region (average 45-minute travel) ● Weekly pay ● LTD Companies and Sole Traders accepted ● Flexible schedule (3–5 days per week) ●...
IR35 Status:
Unknown Status

CV-Library Lambeth, Greater London Contractor
CL
Aug 02, 2026  
AC Engineer
Mobile Air Conditioning Engineer Required We are currently looking for an experienced and reliable Mobile Air Conditioning Engineer to join our client's team on an ongoing temporary contract. Location: Covering commercial sites primarily across South London and the South East. What we offer £350-£375 per day (depending on experience) Ongoing temporary work with consistent assignments Immediate start available Long-term opportunity with a well-established client Full site induction provided at the client's office in Dartford Please note: The day rate has been set to reflect all travel costs. There is no fuel allowance or parking reimbursement, as these costs have already been factored into the higher rate of pay. Requirements Proven experience as a Mobile Air Conditioning Engineer Valid F-Gas Certification (essential) Relevant HVAC/Air Conditioning qualifications Full UK driving licence Own van, Own tools, Own PPE, including: Hard hat Safety boots High-visibility...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Jul 31, 2026  
AC Engineers
Service & Maintenance Air Conditioning Engineers - Immediate Starts Location: London & South of England Rate: £300 per day (depending on experience +/-) Start: Immediate We're currently recruiting experienced Service & Maintenance Air Conditioning Engineers to join our client's growing team, covering predominantly commercial sites across London and the South of England. Our client is looking for reliable, professional engineers with a strong background in servicing, maintaining and fault-finding on a range of air conditioning systems. Requirements: Previous experience in air conditioning service and maintenance F-Gas certification is essential Own tools and PPE Own van preferred (but not essential) Full UK driving licence preferred Strong fault-finding and diagnostic skills Reliable, professional and able to work independentlyWhat's on Offer: Immediate start Mostly commercial projects Standard 8-hour working days Long-term opportunities with a well-established...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Aug 06, 2026  
Senior Project Engineer
We're recruiting on behalf of one of the UK's leading specialist structural engineering and construction contractors for an exceptional Senior Project Engineer to support the delivery of multiple high-profile RC Frame developments across London. This is a fantastic opportunity to join a contractor renowned for delivering technically complex reinforced concrete structures, deep basements and structural packages on some of the capital's most prestigious residential, commercial and mixed-use developments. This isn't a role for someone looking to step up—our client is looking for an experienced Senior Project Engineer who can hit the ground running from day one and lead the engineering function on challenging, fast-paced projects. The Role As a Senior Project Engineer, you'll take ownership of the engineering delivery across major RC Frame packages, ensuring projects are delivered safely, efficiently and to the highest technical standards. Key responsibilities include: *...
IR35 Status:
Unknown Status

CV-Library City of London, Greater London Contractor
CL
Aug 06, 2026  
CAD Technician
CAD Technician – Heathrow Airport Heathrow Airport, London Competitive Day Rate – Inside IR35 Long-Term Contract Tier 1 Contractor A leading Tier 1 contractor is seeking an experienced CAD Technician to join a major infrastructure programme at Heathrow Airport, supporting works on the Northern Runway and associated airside infrastructure projects. This is an excellent opportunity to secure long-term work on one of the UK's most high-profile aviation projects, working within a fast-paced airport environment alongside a highly experienced delivery team. Key Responsibilities Produce and update 2D and 3D CAD drawings for civil engineering and aviation projects. Develop construction drawings, as-built records, and technical documentation. Support engineering and delivery teams with design coordination and drawing revisions. Ensure drawings comply with Heathrow standards, project specifications, and relevant regulations. Liaise with site engineers, surveyors, designers,...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Aug 06, 2026  
Delivery Consultant - London Infrastructure (Freelance Desk)
Delivery Consultant - London Infrastructure (Freelance Desk) Location: Shoreditch - closest stations are Liverpool Street & Shoreditch High Street Company: Randstad Solutions - Construction & Property Division Salary: Competitive Base + Uncapped Commission & Performance Bonuses Do you have a relentless work ethic? Are you a high achiever who wants to surround yourself with an equally driven, high-performing team? The Infrastructure team within Randstad's Construction & Property division is one of our most successful hubs. We are currently looking for a hungry, target-driven Delivery Consultant to dominate the freelance white-collar market across London's major Rail and Civil Engineering mega-projects. The Role As a Delivery Consultant, your focus is entirely on candidate delivery and fulfillment. You are the engine room of the desk-sourcing, vetting, and placing top-tier freelance white-collar professionals into pre-existing, hot accounts. This isn't a...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Aug 06, 2026  
Shift Engineer
Shift Engineer - From £15.50 per hour Weekly pay | Temporary ongoing opportunity with potential to become permanent Are you an experienced Shift Engineer looking for your next opportunity in London? This is a fantastic chance to join a prestigious hotel on a temporary ongoing basis, with the possibility of a permanent position. Offering full-time 4 on 4 off shifts, excellent rates of pay, and the opportunity to work in a busy luxury environment, this role is ideal for someone who takes pride in delivering high standards of maintenance. Why apply? What's in it for you? Weekly pay From £15.50 per hour Temporary ongoing opportunity with the potential to become permanent Full-time hours on a 4 on 4 off shift pattern (8:00am - 8:00pm) The opportunity to work within a luxury hotel A supportive engineering team with varied daily dutiesKey Responsibilities As a Shift Engineer, you'll play a vital role in keeping the property operating to the highest standards by: Carrying out planned...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Aug 06, 2026  
UI Architect
UI Architect 6 months + contract or Perm London - Hybrid (4 days per week from office) Up to £600pd Inside IR35 UI Architect – React JS & Java Spring Boot Ecosystem We are seeking a highly skilled UI Architect with deep expertise in React JS and strong backend exposure to Java Spring Boot microservices, to lead the design and delivery of scalable, high-performance, and user-centric enterprise applications. The ideal candidate will bring a strategic architectural mindset, combined with hands-on experience in crafting modern, responsive front-end platforms and seamlessly integrating them with RESTful APIs and microservices-based back-end systems. You will be responsible for defining and governing UI architecture standards, ensuring consistency, scalability, and optimal performance across applications. A distinguishing requirement of this role is proven, hands-on experience leveraging AI-assisted coding tools — such as Claude Code, Cursor AI, or GitHub Copilot — in...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Aug 06, 2026  
Automation Test Engineer - Playwright
This is a fully remote 6 month FTC position - (UK applicants only) ** Automation Engineer with Playwright experience and good JavaScript / Typescript coding skills is required by my consulting client. We are working with a leading Consulting firm seeking an Automation Engineer with Playwright experience, their client is a financial institution who are looking to establish automation frameworks (Playwright) and CI/CD pipelines from scratch. You will be the go-to person for automation strategy and delivery in a modern, cloud-based environment. Key Responsibilities: * Design and build robust automation frameworks using Playwright (TypeScript or Javascript) * Set up and manage CI/CD pipelines, ideally within Azure DevOps * Collaborate with client development and QA teams to embed automation throughout delivery * Contribute to testing and deployment within cloud environments (preferably Azure) * Champion automation best practices in a consulting-led, greenfield...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Aug 06, 2026  
Senior Civil Engineer
Drainage & Utilities | International Projects Contract Length: 12 months (long-term) Engagement: Contract Location: UK-based / Hybrid (working closely with Middle East client teams) An established international engineering consultancy is seeking an experienced Senior Civil Engineer on a 12-month contract to support a major Middle East client delivering high-profile, technically complex developments. The role will focus on the design and coordination of drainage and utilities for large-scale projects, including sports stadia, tall towers, and mixed-use developments. Key Responsibilities Deliver drainage and utilities design for complex international developments Work across concept, detailed design, and client coordination stages Prepare and review drainage strategies, calculations, and technical drawings Use Civil 3D and drainage software such as InfoDrainage and/or HydroCAD Coordinate with multidisciplinary teams and overseas stakeholders Ensure designs align with...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Aug 06, 2026  
Associate Civil Engineer
Senior Civil Engineer - Drainage & Utilities (International Projects) 📍 London - Hybrid  💰 £45-£55 per hour An established international engineering consultancy is looking to appoint a Senior Civil Engineer to join its growing team, supporting major Middle East clients on a range of high-profile, technically complex developments. This role will focus on the design and coordination of drainage and utilities infrastructure for large-scale international projects including sports stadia, tall towers and major mixed-use developments. The Role • Deliver drainage and utilities design for complex international developments • Work across concept, detailed design and coordination stages • Prepare and review drainage strategies, calculations and technical drawings • Use Civil 3D and drainage software such as InfoDrainage and/or HydroCAD • Coordinate with multidisciplinary teams and international stakeholders • Ensure designs meet client standards, regional regulations and...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Aug 06, 2026  
Contract Civil Engineer
Contract Civil Design Engineer Infrastructure & Drainage Rate: £45–£50 per hour – Outside IR35 Contract: Initial 6 months (strong likelihood of extension) Location: UK (Hybrid / Office-based as required) An award-winning civil engineering design consultancy is seeking an experienced Contract Civil Design Engineer to support a strong pipeline of residential and mixed-use infrastructure projects. This is a hands-on role suited to an engineer who can take schemes from feasibility through to detailed design and technical approvals, working within a high-quality consultancy environment known for design excellence. Key Responsibilities Deliver civil infrastructure and drainage design for residential & mixed-use developments Design foul and surface water systems using MicroDrainage / InfoDrainage Produce highways, levels, earthworks and estate road designs using Civil 3D Prepare drawings, calculations and reports for S104, S38 and S278 approvals Liaise with local...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Aug 05, 2026  
Staff ML Engineer | Contract | London | Inside IR35
Staff ML Engineer | Agentic AI | ML Engineering | London (3 days per week on-site) | Contract | Inside IR35 We're supporting a global technology-driven organisation that's scaling enterprise AI across its UK engineering function. Rather than building AI capability from scratch, the organisation has already invested heavily in enterprise AI platforms and Agentic AI frameworks. The challenge now is driving consistent adoption, establishing engineering standards and enabling multiple engineering teams to build production-ready AI solutions using common patterns and best practice. This is a Staff Engineer position where you'll shape the technical direction of AI Engineering across the organisation. You'll be responsible for Defining engineering standards for enterprise AI Driving adoption of Agentic AI across multiple engineering teams Designing production-grade RAG architectures Establishing LangGraph and LangChain implementation patterns Designing scalable vector database...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Aug 05, 2026  
Staff Data Engineer | London | Contract | Inside IR35
Staff Data Engineer | AWS | PySpark | Data Modernisation | London | Contract | Inside IR35 We're supporting a global, technology-led organisation undertaking a large-scale cloud data transformation programme. This isn't a traditional Data Engineering role. The organisation is modernising hundreds of complex data pipelines, establishing reusable engineering patterns and embedding engineering excellence across its Data function. As a Staff-level engineer, you'll combine deep hands-on technical expertise with organisation-wide technical influence, helping shape how modern Data Engineering is delivered across multiple engineering teams. This is an opportunity to work on enterprise-scale data movement, cloud-native architectures and AI-assisted software engineering within a highly collaborative engineering culture. You'll be responsible for Defining technical standards and engineering patterns for a large-scale Data Modernisation programme Re-engineering complex legacy data...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Aug 05, 2026  
Contract Software Engineer (Java & Kotlin)
Senior Java & Kotlin Backend Engineer Location: London (Hybrid - Wednesday office attendance required) Contract: Initial 2 months IR35: Outside IR35 Start Date: ASAP The Role We're working with a leading technology organisation seeking an experienced Senior Java & Kotlin Backend Engineer to join their engineering team on an initial two-month contract. This role offers the opportunity to contribute to greenfield backend development, building scalable, cloud-native microservices within a modern engineering environment. You'll work alongside cross-functional teams to design, develop and deliver high-quality backend solutions that are secure, reliable and built for scale. Key Responsibilities Design, develop and maintain backend services using Java and Kotlin. Build and enhance RESTful APIs within a microservices architecture. Develop secure, scalable and high-performance applications. Collaborate with Product Managers, Engineers and technical stakeholders to deliver...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Aug 05, 2026  
Special Projects Fire Safety Advisor
Special Projects Fire Safety Advisor Role: Special Projects Fire Safety Advisor Rate: Competitive Day Rate Contract Type: Interim, Full-Time Location: South East England Contract Length: Initial 6 Month Contract with Potential to Extend up to 12 Months Working Arrangements: Hybrid Working Closing Date: 19 July 2026 Special Projects Fire Safety Advisor – Overview * An exciting opportunity has arisen for an experienced Special Projects Fire Safety Advisor to join a leading social housing provider on an interim basis. This role will provide technical leadership across a large residential portfolio, supporting the assessment, investigation, and remediation of complex fire safety risks associated with external wall systems. * The successful candidate will act as a trusted technical expert, providing specialist advice on fire safety compliance, supporting funding applications, contributing to legal proceedings, and helping to deliver safer homes for residents. Special...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Aug 05, 2026  
Platform Engineer
Platform Engineer - Contract 6 Months | Outside IR35 | Remote (occasional travel) | SC Preferred / BPSS Minimum We're looking for a Platform Engineer with strong public sector experience to help build and improve a modern Developer Experience (DevEx) capability. Key skills: Strong experience with GitLab CI/CD, including building and supporting reusable CI/CD components Hands-on Kubernetes experience (deployment, scaling, troubleshooting) Proven background designing and operating cloud-native platforms Strong understanding of Infrastructure as Code, automation, and DevOps best practices Experience improving Developer Experience through platform tooling and self-service capabilities Exposure to Internal Developer Portals (e.g. Backstage) Strong Bash scripting and testing experienceYou'll help drive engineering enablement across CI/CD, Internal Developer Portals, templating, and platform automation, making it easier for development teams to build and deliver at pace. This is a...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Aug 05, 2026  
ServiceNow Developer Contract - 6 months
ServiceNow Developer Contract - Hybrid Based in London £400 - £500 per day insideIR35 We are hiring for a ServiceNow Developer to join a collaborative engineering team responsible for enhancing a business-critical enterprise platform used by partners and customers across multiple international markets. As a ServiceNow Developer, you will be responsible for designing, developing and supporting scalable solutions across the ServiceNow platform. Working alongside Product Managers, Business Analysts and Engineers, you will help deliver high-quality features that improve business processes and user experience. Responsibilities: * Design, develop and maintain ServiceNow applications and platform enhancements. * Translate business requirements into robust technical solutions. * Develop and support Service Portal/Employee Centre functionality. * Build integrations using REST APIs and modern web technologies. * Participate in Agile ceremonies including sprint planning, refinement,...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
  • Follow us on:
  • Facebook
  • Twitter
  • Instagram
  • LinkedIn
  • Home
  • Contact
  • About Us
  • Terms & Conditions
  • Employer
  • Post a Job
  • Search Resumes
  • Sign in
  • Job Seeker
  • Find Jobs
  • Outside IR35
  • Create Resume
  • Sign in
© 2008-2026 Powered by SmartJobBoard Job Board Software