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10 senior software engineer jobs found in Basingstoke

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6 Months or more Basingstoke senior software engineer
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Contract Spy
Apr 14, 2026
6 Months or more
Senior Software Engineer at Fimatix, London, 6 Months, £Contract Rate
Contract Spy London, England, United Kingdom
🚀 Senior DevSecOps Engineer – Contract Opportunity (Inside IR35) UK GOVT CONTRACT - 6 months   Fimatix UK Ltd is looking for a Senior DevSecOps Engineer (SFIA 7) to join our team and play a key role in building and securing modern DevSecOps capabilities across a large-scale digital programme. This is a hands-on engineering role focused on embedding secure-by-design practices into CI/CD pipelines, AWS infrastructure, and identity services , while also helping drive AI-enabled DevOps automation to improve operational intelligence and threat detection.   🔧 Key Responsibilities Design and implement secure CI/CD pipelines with integrated security tooling (SAST, DAST, container scanning, dependency scanning). Embed security-by-design principles across AWS infrastructure and deployments. Implement IaC security guardrails using Terraform/CloudFormation. Configure and optimise AWS-native security services (Security Hub,...
Contract Spy
Apr 27, 2026
6 Months or more
Engineering Manager (Front-End) at Mindera, London Paddington, 6 Months, £Contract Rate (Outside IR35)
Contract Spy Paddington, London, UK
Description We are seeking a passionate Software Engineering Manager with a strong background in modern frontend engineering, particularly React, Next.js, and TypeScript, to provide technical leadership and operate with excellence. Creative, curious, and confident, you will be an integral part of our empowered, self-managing, multi-disciplinary engineering teams -designing, building, releasing, and maintaining high-quality digital products. You will play a key role in shaping and growing a best-in-class frontend engineering capability, establishing modern development practices and building scalable, high-performance web applications. This is an initial 6-month contract (outside IR35) requiring 3 days per week onsite in Paddington, London. Key Accountabilities Team Leadership Build, mentor, and lead a high-performing team of frontend engineers specialising in React, Next.js, and TypeScript. Foster a culture of collaboration, technical excellence, and...
Contract Spy
Apr 17, 2026
6 Months or more
Software Quality Assurance Engineer at BAE Systems, Remote/Weymouth, 12 Months, £65 per hr
Contract Spy Remote (Frimley, Camberley, UK)
Principal Engineer - Software Assurance £65.98 p/hr - Inside IR35 12 months Defence 1-2 days a month on site, Coventry, Barrow, Frimley or Weymouth   Our complex platforms are increasingly driven by Software, assuring the quality of this and the proper integration is critical to our success. Software assurance is the ongoing process to ensure that software products meet and comply with software engineering, quality and safety standards. It is a systems engineering activity that that supports the achievement of functional and multiple non-functional requirements and is applicable to the whole engineering lifecycle from concept design to in service support.   This is a growing role within our business and industry with significant potential for development and further growth. We expect the candidate to quickly develop an understanding of the development, use and control of software in our complex and unique application. Being actively...
Contract Spy
Apr 17, 2026
6 Months or more
Software Quality Assurance Engineer at BAE Systems, Remote/Frimley, 12 Months, £65 per hr
Contract Spy Remote (Frimley, Camberley, UK)
Principal Engineer - Software Assurance £65.98 p/hr - Inside IR35 12 months Defence 1-2 days a month on site, Coventry, Barrow, Frimley or Weymouth   Our complex platforms are increasingly driven by Software, assuring the quality of this and the proper integration is critical to our success. Software assurance is the ongoing process to ensure that software products meet and comply with software engineering, quality and safety standards. It is a systems engineering activity that that supports the achievement of functional and multiple non-functional requirements and is applicable to the whole engineering lifecycle from concept design to in service support.   This is a growing role within our business and industry with significant potential for development and further growth. We expect the candidate to quickly develop an understanding of the development, use and control of software in our complex and unique application. Being actively...
Contract Spy
Apr 23, 2026
6 Months or more
Senior Node.js Engineer at World Wide Technology, Remote/London, 9 Months, £Contract Rate
Contract Spy Remote (London, UK)
WWT EMEA has an opportunity for a Senior Node.js Engineer to modernize and rebuild internal Node.js‑based package manager into a fully supported product.   The successful candidate will be developing a cross‑platform CLI tool for Windows and macOS, integrating with Artifactory, and supporting governance and distribution processes for portable developer tools.   This is a contract Role & Inside IR35   Senior Node.js Engineer   Contract Duration: 9 months Contract   Location: Remote, United Kingdom (Occasional travel to London as per business need)     Key Responsibilities: Modernize and rebuild internal Node.js-based package manager into a fully supported product. Develop a cross‑platform CLI tool (Windows + macOS) that supports package discovery and installation. Integrate the CLI with Artifactory for tool, SDK, runtime, and FOSS package distribution. Support governance for...
Contract Spy
Apr 27, 2026
6 Months or more
Software Engineer at Office for National Statistics, Remote/Newport, £Contract Rate
Contract Spy Newport PO30, UK
The Office for National Statistics (ONS) is the UK's largest producer of official statistics, covering a range of key economic, social and demographic topics. These include measuring changes in the value of the UK economy, estimating the size, geographic distribution and characteristics of the population, and providing indicators of price inflation, employment, earnings, crime and migration.   SC Clearance is an essential requirement for this role, as a minimum you must be willing & eligible to undergo checks. Please note, due to the exceptional requirements of this position (short-term nature of this role and speed at which we require a postholder in situ) preference may be given to candidates who meet all of the essential criteria and hold active security clearance.    As a Software Engineer (Java), your main responsibilities will be: Develop and maintain scalable, high-quality applications using Java and Spring Boot Design and build...
Contract Spy
Apr 16, 2026
6 Months or more
Lead Android Mobile Engineer at Mindera, London Paddington, 6 Months initial, £Contract Rate (Outside IR35)
Contract Spy Paddington, London, UK
Here at Mindera we are continuously developing a fantastic team and would love it for you to join us! As an Android Developer you will be creating fast, fluid, responsive and reliable mobile applications that provide our customers with a rewarding experience. You’ll have an opportunity to participate in the whole development cycle, using modern technologies, architectures and processes. When you join Mindera we welcome you into a fun and politics-free work culture, built on the principles of lean and self-organisation .   Please note: This position requires you to work on client-site in Paddington, London, three times a week. This is an initial six month contract position that sits outside IR35. Requirements You rock at Kotlin Java Jetpack Compose Coroutines (or RxJava); Software Architecture (MVVM or similar); Unit testing and UI tests; XML Being self-driven and working with little supervision towards a common team or...
Contract Spy
Apr 09, 2026
6 Months or more
Lead Android Mobile Engineer at Mindera, London Paddington, 6 Months initial, £Contract Rate (Outside IR35)
Contract Spy Paddington, London, UK
Here at Mindera we are continuously developing a fantastic team and would love it for you to join us! As an Android Developer you will be creating fast, fluid, responsive and reliable mobile applications that provide our customers with a rewarding experience. You’ll have an opportunity to participate in the whole development cycle, using modern technologies, architectures and processes. When you join Mindera we welcome you into a fun and politics-free work culture, built on the principles of lean and self-organisation .   Please note: This position requires you to work on client-site in Paddington, London, three times a week. This is an initial six month contract position that sits outside IR35. Requirements You rock at Kotlin Java Jetpack Compose Coroutines (or RxJava); Software Architecture (MVVM or similar); Unit testing and UI tests; XML Being self-driven and working with little supervision towards a common team or...
Contract Spy
Apr 09, 2026
6 Months or more
Automation Test Engineer at HM Land Registry, Croydon, 11 Months, £Contract Rate
Contract Spy Croydon, UK
You will be accountable for providing practical testing expertise, particularly in test automation, within the team. They will be accountable for producing and maintaining robust and efficient automated test packs. You responsible for the creation on the projects Quality Strategy and will work with the team to ensure that quality is built into every part of the product. You have a key role in assuring the quality of the product being delivered and escalating significant concerns, issues or risks in a timely manner. The Test Engineer leads on test activities within the team, working collaboratively with developers to support a continuous deployment environment.   Responsibilities Accountable for the provision of practical advice and guidance to team members on quality assurance and lifecycle testing. Accountable for translating functional and non-functional requirements or user stories into documented and approved test plans and test cases Accountable for...
Contract Spy
Apr 15, 2026
6 Months or more
Senior Data Scientist at YLD, Remote, 6 Months, £B2B Contract Rate
Contract Spy Remote (London, UK)
Location: London/Hybrid (Strong preference for 1 day a week in the office) Department : Engineering/Data Employment Type: Contract (B2B) Contract Length: 6 months (with potential for extension) About YLD: Everything we do is to empower our clients to move forward. Our purpose is to help our clients develop the capabilities they need to outperform their competitors. Our success is a consequence of ensuring our clients are successful. Our company is built on extraordinary people; we aim to attract, inspire, develop and retain them. YLD is a software engineering and design consultancy; we create digital capabilities for our clients that last beyond our engagement. We have offices in London, Lisbon, Porto. About the role: As a Data Scientist, you will take responsibility for data, insights, and models that help our clients grow quickly. You'll have Machine Learning Engineering experience and use this to build data capabilities that...
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