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Contractor 30
Information Technology test development engineer

30 test development engineer jobs found

CL
May 15, 2026  
Software Development Engineer in Test (SDET)
AMS is a global workforce solutions partner committed to creating inclusive, dynamic, and future-ready workplaces. We help organisations adapt, grow, and thrive in an ever-evolving world by building, shaping, and optimising diverse talent strategies. Our Contingent Workforce Solutions (CWS) is one of our service offerings. Acting as an extension of their recruitment teams, we connect them with skilled interim and temporary professionals, fostering workplaces where everyone can contribute and succeed. Our client, a major UK retail bank, provides every day banking services to over 17 million retail customers. The banks expertise and services span across Business Services, Corporate banking, Wealth Management, Group Functions, Retail and Investment Banking. On behalf of this organisation, AMS are looking for a Software Development Engineer in Test (SDET) for a 6 month contract based in London (2 days per week) with remote working available (hybrid). Purpose of the role: Join us...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
May 16, 2026  
Lead Firmware Engineer
Lead Firmware Engineer Basildon 6-Month Contract Paying up to £74p/h (Inside IR35) Key Responsibilities Firmware requirements capture and management. FPGA design and analysis. Production of documentation for other engineers and evidence for design reviews. Development of FPGA test and FPGA integration plans. Perform system integration work with PCB designers and embedded software engineers. Support all firmware designs through the company's firmware process - training will be given. Modification of existing firmware designs and test benches. Essential Skills & Experience Using FPGA technologies, especially from either Xilinx, Microsemi (Actel) or Lattice and their tools. Advanced verification techniques using either VHDL or System Verilog/ UVM. Specifying complex timing and area constraints for efficient FPGA place and route. Ability to analyse system-level requirements and derive detailed Firmware requirements. A methodical approach to the full firmware design...
IR35 Status:
Inside IR35

CV-Library Basildon, Essex Contractor
CL
May 14, 2026  
DevOps Engineer - DV Cleared
DV Cleared DevOps / Software Engineer - Contract £550-£600 per day | Outside IR35 Condensed week available - work 3 long days, paid for 5 Active MOD DV Clearance required We are looking for an experienced DV Cleared DevOps / Software Engineer to join a high-impact technical environment. This role suits someone who thrives in modern DevOps ecosystems, enjoys building secure, scalable platforms, and wants the flexibility of a condensed working week. You will work across the full software delivery lifecycle, helping to design, build, automate, and maintain robust cloud-native and containerised platforms. Key Responsibilities Design, build and maintain CI/CD pipelines for reliable software delivery Deploy and manage Kubernetes clusters and application platforms Collaborate with engineers to develop, test, and release software efficiently Implement automation and infrastructure as code Ensure systems remain secure, resilient, and scalable Deliver software fixes, upgrades, and...
IR35 Status:
Outside IR35

CV-Library Worcester, Worcestershire Contractor
CL
May 13, 2026  
Software Developer - Java
Java Developer - 3 Months - Inside IR35 My client, a leading global technology organisation is looking for an experienced Software Engineer to support a range of large‑scale, business‑critical platforms. You'll join a collaborative engineering team working on high‑availability systems used across the UK, contributing to new feature development, platform enhancements, and ongoing operational performance. About the Role You will work as part of an agile cross‑functional team delivering robust, secure, scalable software solutions. The role covers developing new application features, updating existing systems, supporting deployments, and ensuring smooth operation of live services. Key Responsibilities Maintain, enhance, and secure existing Java applications Design and develop new applications, features, and microservices Build and maintain automated test suites using TDD principles Create and manage CI/CD pipelines Support monitoring, troubleshooting, and live operational issues...
IR35 Status:
Inside IR35

CV-Library Ipswich, Suffolk Contractor
CL
May 13, 2026  
Java developer
Adword Job Title: Java Software Engineer - Public Wifi Platforms Duration: Initial 3 months with a possibility of extension Location: Ipswich, 3 days onsite a week Job description: About the Role This is an exciting opportunity to join the team that develops and operates the UK's largest Public Wifi network Our client is seeking a self-starting Java Software Engineer to build and support both new and existing applications, and to play a pivotal role in transforming to a new platform You will work within an agile environment, making a real and immediate impact while collaborating closely with network and architecture teams Key Responsibilities Design & Develop: Build new applications and microservices while consistently applying security best practices Maintain & Upgrade: Manage existing Java applications to ensure security compliance, including upgrading PCI-compliant applications that support credit card and ApplePay transactions Testing & CI/CD: Build...
IR35 Status:
Unknown Status

CV-Library Ipswich, Suffolk Contractor
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
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
CL
Apr 18, 2026  
Embedded Software Engineer
World Class Defence Organisation is currently looking to recruit 2x Embedded Software Engineer subcontractors on an initial 6 month contract.     Rate: £68.00 per hour Location: Bristol Hybrid / Remote working: The role will be onsite – a compressed 4 day week (Monday to Thursday is fine) Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 6 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella)                                                                                                                                           Interview Process: One stage Video Interview Embedded Software Engineer Job Description: We are a world leader in missile and missile systems, seeking a highly capable and adaptable Embedded Software Engineer to join our Development Facility in Bristol. As part of our growing dynamic Software team, you will develop the latest...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Apr 17, 2026  
Embedded DSP SW Engineer – Software Defined Radio Datalink
World Class Defence Organisation based in Stevenage, Hertfordshire is currently looking to recruit an Embedded DSP Software Engineer – Software Defined Radio Datalink subcontractor on an initial 6 month contract.     This role would suit a candidate who comes from a mobile communications industry or from the aerospace / defence field. Other industries will be considered too.   Rate: £70 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage Hybrid / Remote working: The role will based onsite.  A compressed 4-Day week of Monday to Thursday is possible Duration: 6 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview process   Embedded DSP Software Engineer – Software Defined Radio Datalink Job Description:   Join our growing Software team in Stevenage, working as part of a dynamic team to...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Apr 17, 2026  
Functional Safety Systems Engineer
RLE International is working on behalf of their Essex based Automotive Client, who are currently looking for a Functional Safety Systems Engineer to support their team. Position Description: Rate: £29.59 (via Umbrella PAYE) – increasing to £38.38 after 12 weeks under AWR’s (Agency Worker Regulations) Our client is seeking a Functional Safety Systems Engineer to join their core team in the Essex. You will be a key player in ensuring complex, distributed technologies including powertrain, infotainment, and active safety meet the highest safety standards. Using Model-Based Systems Engineering (MBSE), you will bridge the gap between research and production, turning "what if" into "what’s next." As a key member of an exciting team leading Functional Safety activities in Product Development, this role involves working with technology subject matter experts to conduct Functional Safety analysis using efficient model-based systems engineering (MBSE / SysML) tools. Additionally, you will...
IR35 Status:
Inside IR35

CV-Library Basildon, Essex Contractor
CL
Feb 21, 2026  
Software Engineer
Software Engineer (Java) SC Clearance Required Certain Advantage are hiring for a Software Engineer based in Portsmouth. This role is on an initial 12-month contract and is required to be onsite 3 days a week.   Your responsibilities: Contribute across the full software development lifecycle, including design, development, testing, and deployment. Design software solutions using UML/SysML and contribute to technical architecture within a microservices environment. Develop high-quality Java applications using Spring Boot, Spring Framework and related technologies. Implement and maintain RESTful web services over HTTPS within distributed systems. Write and maintain automated tests, ensuring quality and reliability are built into the solution from the outset. Participate in Agile ceremonies including sprint planning, estimation, reviews and retrospectives. Collaborate closely with team members and wider stakeholders to design, implement and test new product features. Contribute...
IR35 Status:
Unknown Status

CV-Library Portsmouth, UK Contractor
CL
Feb 11, 2026  
Electrical Systems Engineer / Architect
World Class Defence Organisation is currently looking to recruit an Electrical Systems Engineer / Architect subcontractor on an initial 12 month contract. Your base site can either be from the companies Bristol, Stevenage or Bolton office.  This role will be a hybrid position – 3 days per week onsite and 2 days remote.      Hourly Rate: £60 - £85 (Umbrella).      Contract Duration: 6 Months initially and then ongoing and long-term thereafter.   Missile Electronic Architect Job Description:   Electrical Architects/Engineers are involved in all aspects of missile development, from the early concept studies to series production and in-service support. It’s an excellent opportunity for someone wanting to build on their engineering experience. Responsibilities: You will be responsible for the electrical architecture and requirements for missiles and/or their associated launcher systems with duties including: Specifying/determining system electrical requirements interface definitions...
IR35 Status:
Unknown Status

CV-Library Bolton, UK Contractor
CL
Feb 11, 2026  
Electrical Systems Engineer / Architect
World Class Defence Organisation is currently looking to recruit an Electrical Systems Engineer / Architect subcontractor on an initial 12 month contract. Your base site can either be from the companies Bristol, Stevenage or Bolton office.  This role will be a hybrid position – 3 days per week onsite and 2 days remote.      Hourly Rate: £60 - £85 (Umbrella).      Contract Duration: 6 Months initially and then ongoing and long-term thereafter.   Missile Electronic Architect Job Description:   Electrical Architects/Engineers are involved in all aspects of missile development, from the early concept studies to series production and in-service support. It’s an excellent opportunity for someone wanting to build on their engineering experience. Responsibilities: You will be responsible for the electrical architecture and requirements for missiles and/or their associated launcher systems with duties including: Specifying/determining system electrical requirements interface definitions...
IR35 Status:
Unknown Status

CV-Library Stevenage, UK Contractor
CL
Feb 11, 2026  
Electrical Systems Engineer / Architect
World Class Defence Organisation is currently looking to recruit an Electrical Systems Engineer / Architect subcontractor on an initial 12 month contract. Your base site can either be from the companies Bristol, Stevenage or Bolton office.  This role will be a hybrid position – 3 days per week onsite and 2 days remote.      Hourly Rate: £60 - £85 (Umbrella).      Contract Duration: 6 Months initially and then ongoing and long-term thereafter.   Missile Electronic Architect Job Description:   Electrical Architects/Engineers are involved in all aspects of missile development, from the early concept studies to series production and in-service support. It’s an excellent opportunity for someone wanting to build on their engineering experience. Responsibilities: You will be responsible for the electrical architecture and requirements for missiles and/or their associated launcher systems with duties including: Specifying/determining system electrical requirements interface definitions...
IR35 Status:
Unknown Status

CV-Library Bristol, UK Contractor
CL
Feb 06, 2026  
Embedded Software V&V Engineer
World Class Defence Organisation is currently looking to recruit 5x Embedded Software V&V Engineer subcontractors on an initial 6 month contract.  Skills in C, C++ or ADA are beneficial.  A defence or aerospace industry background would also be great.   Rate: £70.00 per hour Location: Stevenage or Bristol, depending on your preference. Hybrid / Remote working: Full time on site (occasional work from home day) (The company are happy with a 4 day week) Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 6 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) Interview process: 1 stage video interview   Embedded Software V&V Engineer Job Description:   The department create the complex, highly reliable real-time software that powers missile systems and their components, ensuring that they provide the performance and functionality our users require when they...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Feb 06, 2026  
Embedded Software V&V Engineer
World Class Defence Organisation is currently looking to recruit 5x Embedded Software V&V Engineer subcontractors on an initial 6 month contract.  Skills in C, C++ or ADA are beneficial.  A defence or aerospace industry background would also be great.   Rate: £70.00 per hour Location: Stevenage or Bristol, depending on your preference. Hybrid / Remote working: Full time on site (occasional work from home day) (The company are happy with a 4 day week) Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 6 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) Interview process: 1 stage video interview   Embedded Software V&V Engineer Job Description:   The department create the complex, highly reliable real-time software that powers missile systems and their components, ensuring that they provide the performance and functionality our users require when they...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
May 16, 2026  
Software Engineer
Role Title / Position: Software Development Engineer Type : Contract Duration:12 months Location : London (EC2A 2FA), UK Hybrid / Onsite : 5 days required onsite. Job Description: Must Haves : * Strong backend experience (Java) * Infrastructure as Code experience (AWS CDK preferred) * Deep AWS knowledge * Understands how AWS deploys and manages infrastructure * Experience operating production systems * Availability * Metrics * Alarms * Incident awareness * Strong understanding of distributed systems * Comfortable making independent production changes * Familiar with: * DNS * TLS * Load balancing (conceptual understanding is required) What You'll Do • Design, build, and deploy backend services and infrastructure that power Prime Video's network edge • Work on Operational Efficiency and maintaining availability and security • Participate in on-call rotations and operational excellence practices Basic...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
May 15, 2026  
Java Developer
Java Developer Location: Ipswich Duration: 3 months + About this opportunity: Our client, a leading organisation managing the UK's largest Public Wifi network, is hiring two talented Software Engineers for an initial three-month contract. This is a fantastic chance to contribute to a high-profile project, supporting the development and operation of innovative WiFi solutions. You'll work within an agile team, collaborating closely with network specialists to build, upgrade, and maintain critical applications supporting secure, seamless connectivity across the UK. What you'll be doing: * Developing, maintaining, and upgrading Java applications to ensure security and performance compliance * Building pipelines and automating tests to streamline deployment processes * Designing and developing new applications and microservices * Upgrading PCI-compliant applications supporting credit card and ApplePay transactions * Implementing DevOps practices for service availability, monitoring,...
IR35 Status:
Unknown Status

CV-Library Ipswich, Suffolk Contractor
CL
May 14, 2026  
Senior Systems Engineer
BARROW OR SHEFFIELD based Our client, a leader in the Defence & Security sector, is currently seeking a Senior Systems Engineer for a contract position. This role, reporting to the Systems Engineering Function Lead within the Weapon Systems Engineering function, will require you to work from either Barrow or Sheffield, with occasional onsite work (1-2 days per month). Key Responsibilities: Capture and translate user needs, stakeholder needs and CONOPS Convert CONOPS into MBSE use cases and activity/sequence diagrams Build MBSE architecture (form/function/behaviour) and allocate requirements Lead requirements development (derivation, decomposition, traceability) Develop and manage interface requirements and Interface Control Drive integration from component level through system level Lead/support Verification & Validation activities and planning Act as a key technical interface to customers, suppliers and internal design teams (SW/Mech/Elec) Support governance, continuous...
IR35 Status:
Unknown Status

CV-Library Sheffield, South Yorkshire Contractor
CL
May 13, 2026  
Microsoft Fabric Data Engineer
Microsoft Fabric Data Engineer | Outside IR35 | £450–£550 per day | Hybrid Bristol | 6‑month initial contract We’re working with a well‑known global organisation that’s investing heavily in its commercial data capabilities. They’re looking for a contract Data Engineer to help shape and deliver a next‑generation analytics platform supporting sales and marketing decision‑making. This role is on a hybrid basis 2 days per week in the Bristol office. This assignment centres on building a scalable, cloud‑native data solution using Microsoft Fabric, aligned to a wider Azure landscape. You’ll play a key role within a delivery‑focused team, owning engineering outputs while partnering closely with analytics specialists and senior stakeholders to deliver at pace. Key Responsibilities Develop, enhance and maintain data pipelines using Microsoft Fabric Produce robust, business‑ready datasets that support downstream reporting and insight Introduce automation and agent‑assisted development...
IR35 Status:
Outside IR35

CV-Library Bristol, UK Contractor
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