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Information Technology 7 Construction 2 Engineering 1
Inside IR35 Contractor picker

10 picker jobs found

CL
May 09, 2026  
Backend Software Engineer
Software Engineer - Active SC, Java, MicroservicesUp to £550 per day (Inside IR35)London / Remote6 months My client is an instantly recognisable consultancy who require a strong Software Engineer with Active Security Clearance (SC) and with deep expertise in Java (Spring Boot) to join a large-scale, business‑critical microservices programme. Key Requirements: Proven experience working as a Java Software Engineer on large microservice architectures Active Security Clearance (SC) Strong capability building scalable RESTful APIs and backend services in Java (Spring Boot): Postgres (or other relational SQL databases) with solid understanding of schema design and SQL Docker: Confident containerising and deploying applications Test‑Driven Development (JUnit & Mockito or similar testing frameworks) CI/CD: Hands‑on experience with Jenkins or similar automated pipeline tooling Flexibility working in agile teams and collaborating closely with engineers, product, and design colleagues...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
May 08, 2026  
Project Manager
Project Manager Peterborough £40.50 FCSA Umbrella (this role is deemed inside IR35), £29.50 paye Fully Site based role, 5 days PW at their offices in Peterborough Long term Contract position (initially 12 Months, likely to extend beyond & become long term, ongoing role)   Are you a successful & accomplished Project Manager working within working within a large complex multi-site, multi project organisation?   Do you have experience of key scheduling documentation (Chartering, BoE's, statements of work, WS dictionary etc)?   Or have you previously been responsible for the project control & project scheduling of high value & highly complex multi-agency / multi company projects? This could include Aerospace/Aviation/Engineering/Banking/Rail/Transport/High Technology Do you have significant experience of within the automotive, aerospace, defence or similar high value market? If so, please read on!   We are looking to add additional contract people to a tight, close...
IR35 Status:
Inside IR35

CV-Library Peterborough, UK Contractor
CL
May 07, 2026  
Cloud Infrastructure Engineer
SC Cleared Cloud Infrastructure Engineer Location: London (Hybrid) Start Date: ASAP Duration: 7 - 12 months IR35: Inside (via Umbrella Company) Key tasks for the Cloud Infrastructure Engineer to include: Leading financial house are seeking a seasoned SC Cleared Cloud Infrastructure Engineer to join an existing team where you will with the ongoing improvement of their technology stack, ranging from complex cloud-hosted applications utilizing IaC and full CI/CD automation, to more traditional VM-based on-premise systems. Cloud Infrastructure Engineer Technical Skills: • SC Clearance / Security Clearance (ideally valid & transferrable) • Proven experience in AZURE Terraform code • Demonstrable experience in GitHub Actions • Experience of working in a controlled environment with strict change control • Good understanding and practical implementation of both CI and CD • Good working knowledge of the installation and configuration of Windows based systems. • Excellent...
IR35 Status:
Inside IR35

CV-Library Central London, London WC2N 5DU, UK Contractor
CL
May 07, 2026  
SC Java Developer
Role Title: Java Developer Duration: 12 month contract Location: Remote Rate: £381 p/d via umbrella inside IR35 Clearance required: Active SC Clearance ideally held within the public sector Role purpose / summary Core Skills: Backend: Java, Spring Boot, SQL / Report Writing Cloud: AWS, EBSA Additional Skills: Frontend: React, Next.js (non-essential) API development, microservices, CI/CD pipelines, containerization (Docker/Kubernetes), Greenfield development experience All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able to respond to successful applicants in the first instance. We thank you for your interest and the time taken to apply
IR35 Status:
Inside IR35

CV-Library United Kingdom Contractor
CL
May 07, 2026  
Wintel Engineer
Role Title: Java Developer Duration: 12 month contract Location: Remote Rate: £414 p/d via umbrella inside IR35 Clearance required: Active SC Clearance ideally held within the public sector Role purpose / summary Core Skills: Backend: Java, Spring Boot, SQL / Report Writing Cloud: AWS, EBSA Additional Skills: Frontend: React, Next.js (non-essential) API development, microservices, CI/CD pipelines, containerization (Docker/Kubernetes), Greenfield development experience All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able to respond to successful applicants in the first instance. We thank you for your interest and the time taken to apply
IR35 Status:
Inside IR35

CV-Library Cumbria, UK Contractor
CL
May 07, 2026  
Java Developer
Java Developer Active SC clearance required  Inside IR35 Location: Remote UK Role Overview We are seeking a skilled SC Cleared Java Developer to join our team. The ideal candidate will have a strong background in software development, specifically in Java and related technologies. You will be responsible for designing, developing, and maintaining robust applications that meet our business needs while collaborating with cross-functional teams in an agile environment. Responsibilities - Develop and maintain high-quality Java applications using Spring Boot. - Design and manage databases, preferably using Postgres or other relational SQL databases. - Utilise Docker for containerization and deployment of applications. - Implement test-driven development practises using Junit, Mockito, or similar testing libraries. - Participate in CI/CD processes using Jenkins or similar pipeline tooling to ensure smooth integration and deployment. - Work collaboratively within agile teams,...
IR35 Status:
Inside IR35

CV-Library United Kingdom Contractor
CL
May 02, 2026  
Senior Developer
Senior FullStack Developer Duration: 4 months Location: Remote £600 - £770 per day Inside IR35 - Umbrella only Active SC clearance or eligibility to obtain it Our client is seeking an experienced Senior Cloud FullStack Developer to join their dynamic team on a remote basis. This is an exciting opportunity to work on innovative projects within a collaborative environment. Required Skills: Deep hands-on experience with Java and Spring Boot (Web Services, Spring Security, etc.) Strong knowledge of PostgreSQL (Postgres) - including schema design and query optimization Solid understanding of object-oriented programming principles and design Patterns Familiarity with front-end development and integration using HTML and JavaScript Experience with Jenkins and modern CI/CD practices Proficiency in AWS services and infrastructure-as-code using Terraform Strong experience with GitHub for version control and automated workflows (e.g., GitHub Actions) Working knowledge of Docker for...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
May 01, 2026  
Mechanical Fitter - National Grid Person
Job Title: M&E Mechanical Fitter - National Grid Person Location: National Grid Melksham Substation, Wiltshire Job Type: Temporary (Inside IR35) Start Date: 20/04/2026 End Date: 28/08/2026 Hours: 07:30 - 17:28 (45 hours per week) Rate: £300 per day Positions Available: 1 Overview: We are currently recruiting for an experienced M&E Mechanical Fitter to join the team on a National Grid substation project at Melksham. This requirement has arisen due to additional project capacity and will involve working within a live transmission environment, supporting mechanical installation activities to strict National Grid standards. Please note: This role is determined as Inside IR35. Limited Company payment is not a compliant method. Key Responsibilities: Mechanical fitting and installation within a high-voltage substation environment Supporting M&E installation works in line with project specifications Working as part of a coordinated site team under site supervision...
IR35 Status:
Inside IR35

CV-Library Melksham, Wiltshire Contractor
CL
May 01, 2026  
Ground Worker - National Grid Person
Job Title: Groundworker (Dumper/Roller) - National Grid Person Location: National Grid Melksham Substation, Wiltshire Start Date: 20th April 2026 End Date: 25th September 2026 Hours: 45 hours per week Working Hours: 07:30 - 17:30 Rate: £25 per hour Contract Type: Temporary (Inside IR35) Overview: We are currently recruiting for an experienced Civil Operative / Groundworker to support works on a National Grid substation project at Melksham. This role will involve working within a live high-voltage infrastructure environment, assisting with a range of civil works to support ongoing substation upgrades. This is an excellent opportunity to join a major infrastructure project with a well-established contractor delivering critical UK energy network works. Key Responsibilities: Carrying out general groundworks on a National Grid substation site Operating plant including dumper and roller where required Assisting with excavation, ducting, trenching and reinstatement work Supporting...
IR35 Status:
Inside IR35

CV-Library Melksham, Wiltshire Contractor
CL
Apr 18, 2026  
C++ Application Software Engineer
World Class Defence Organisation is currently looking to recruit 3x C++ Application Software Engineer subcontractors on an initial 12 month contract.     This role requires: Strong experience in C++ application development. A strong background in software engineering, its realisation and system wide impact. Experience in CI/CD pipelines, GitLab, Docker. Experience of developing software for virtual environments.  Rate: £65.00 per hour Location: Bristol Hybrid / Remote working: The role will likely be onsite – a compressed 4 day week (Monday to Thursday is fine).  There may be some scope for hybrid working (project dependent). Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella)...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
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