13 of 13 Contract Senior Software Engineer Jobs in England

CONTRACT SENIOR SOFTWARE ENGINEER - eDV CLEARED NEW CONTRACT JOB OPPORTUNITY AVAILABLE WITHIN A LEADING NATIONAL SECURITY COMPANY FOR A SENIOR SOFTWARE ENGINEER WITH eDV CLEARANCE Contract job opportunity for a Senior Software Engineer Globally leading defence/cyber security company £500 - £750 per day (inside and outside IR35 roles available) London … based organisation in an easily accessible location Contract Senior Software Engineer To apply please call or email WHO WE ARE? We are recruiting multiple contract Senior Software Engineers to work with various clients in London ranging from R&D companies, Multi-National Consultancies to SME's and product based companies. Due to the nature of … the work these clients do, you must hold enhanced DV Security Clearance. WHAT WILL THE SENIOR SOFTWARE ENGINEER BE DOING? As a Senior Software Engineer, you will work with an experienced agile team to design and deliver packages of bespoke work, work development teams and liaise with customers. You will work through the entire More ❯

Background and Role We are looking to onboard a Senior Software Engineer (Platform Engineer) on a contract basis for a large global bank. The Senior Software Engineer will join a small, dedicated 4-person team within Infrastructure in the Chief Technology Office. This is an initial 6 month contract with good potential for … protection strategy, with the core mission of safeguarding cloud data (AWS/GCP) against ransomware attacks by creating tamper-proof, immutable copies of critical data. This role requires strong software engineering expertise in Golang and cloud-native engineering skills, with a focus on building resilient, secure, high-availability systems. Key Responsibilities Engineering & Development: Design, build, and maintain backend REST … APIs and frontend clients. Implement and manage database schema changes with Liquibase, aligned with compliance/audit standards. Data Protection Focus: Engineer secure, tamper-proof data solutions across AWS and GCP. Support the ransomware protection strategy through platform and service design. Collaboration & Delivery: Work closely with Architecture, DevOps, and Security teams. Contribute to a small, agile delivery team with More ❯

Role Title: Senior Software Engineer Duration: 6 Months Location: Sheffield (3 Days Onsite) Rate: £550 Per Day - Umbrella only Would you like to join a global leader in consulting, technology services and digital transformation? Our client is at the forefront of innovation to address the entire breadth of opportunities in the evolving world of cloud, digital and … platforms. Role purpose/summary Our Client is looking for a highly motivated and experienced Senior Software Engineer to support development of services hosted on Public Cloud platforms. You will leverage your expertise in Software Development, along with your Cloud Engineering experience across AWS/GCP, to design and implement resilient frontend client, backend services and … experience The ideal candidate for this role will have the below experience and qualifications: * Bachelor's or Master's degree in Computer Science or equivalent industry experience. * Comes from Software Engineering background with infrastructure experience. * 5+ years of development experience with a strong focus on large-scale, distributed systems. * Proficient in Python, Golang and PostgreSQL. * Experience with Liquibase or More ❯

Job title: Senior Software Engineer Location: Full Remote (Very occasional travel to offices in Cheshire) Type: Contract/Outside IR35/6 months initial duration + possible renewals About the Role We re looking for Senior Software Engineers to join our client's dynamic Engineering team and play a key role in building high-quality … scalable software solutions. As a senior member of the team, you ll take ownership of full-stack development, contribute to software architecture, drive engineering best practices, and mentor junior team members. You ll work closely with Product Owners, Architects, and DevOps to ensure delivery excellence across a diverse range of projects. What You'll Be Doing Software … SQL for efficient data management Apply design patterns like OOP, SOLID, and Clean Code to write scalable code Engineering & Architecture Deliver high- and low-level estimations for projects Ensure software quality through unit and integration testing Perform code reviews and participate in pair programming Architect scalable, secure systems, including OAuth and SSO integrations Cloud & DevOps Deploy and manage apps More ❯

Job title: Senior Software Engineer Location: Full Remote (Very occasional travel to offices in Cheshire) Type: Contract/Outside IR35/6 months initial duration + possible renewals About the Role We're looking for Senior Software Engineers to join our client's dynamic Engineering team and play a key role in building high-quality … scalable software solutions. As a senior member of the team, you'll take ownership of full-stack development, contribute to software architecture, drive engineering best practices, and mentor junior team members. You'll work closely with Product Owners, Architects, and DevOps to ensure delivery excellence across a diverse range of projects. What You'll Be Doing Software … SQL for efficient data management Apply design patterns like OOP, SOLID, and Clean Code to write scalable code Engineering & Architecture Deliver high- and low-level estimations for projects Ensure software quality through unit and integration testing Perform code reviews and participate in pair programming Architect scalable, secure systems, including OAuth and SSO integrations Cloud & DevOps Deploy and manage apps More ❯

Role: Contract Senior Backend Software Engineer - Node.js Rate: c.£550 Outside IR35 Per day Location: Leeds - Hybrid (2x days on site) Length: 3-6 months About Us: We are working with a growing, forward-thinking technology company dedicated to building scalable, reliable, and high-performing solutions for our customers. Role Overview: As a Senior Backend Software Engineer (Node.js), you will be responsible for designing, developing, and maintaining server-side applications and services. You'll work closely with cross-functional teams to ensure our systems are performant, secure, and deliver a great user experience. Key Responsibilities: Design, implement, and maintain backend services, APIs, and databases. Collaborate with product managers, frontend engineers, and other stakeholders to … with relational and/or NoSQL databases. Familiarity with cloud platforms (AWS, Azure, GCP) and containerization (Docker, Kubernetes). Experience with Front-end (React.js) would be beneficial. Knowledge of software design principles, testing methodologies, and version control (Git). We are an equal opportunities employer and welcome applications from all suitably qualified persons regardless of their race, sex, disability More ❯

Job: Senior Software Engineer Company: BAE Systems Hourly Rate: £35.55 PAYE or £47.86 Umbrella Location : Barrow-in-Furness - Remote working with on-site presence when required Contract : 6 months (Opportunity to be extended) Working Hours : 37 hours per week Key Responsibilities : Designing embedded software solutions to meet allocated requirements Software coding to implement agreed designs … Undertaking testing and verification activities Ensuring software development standards, policies and procedures are adhered to Scheduling work to meet target timescales and budget demands Working closely with other teams, e.g. electrical, during solution development Proactively reporting upwards to management and the business, so that they are informed of the work currently in development Essential Skills & Qualifications : Embedded C programming More ❯

Senior Software Engineer - 6 Month Contract Start Date: ASAP Rate: Market rates, outside ir35 Contract Length: 6 months Location: Manchester, hybrid Key Responsibilities Design, build, and maintain scalable backend services using Java, aligning with best practices for performance, reliability, and maintainability. Work with containerisation/orchestration technologies (Kubernetes) to deploy, manage, and scale services. Develop and maintain More ❯

Senior Software Engineer - 6 Month Contract Start Date: ASAP Rate: Market rates, outside ir35 Contract Length: 6 months Location: Manchester, hybrid Key Responsibilities Design, build, and maintain scalable backend services using Java, aligning with best practices for performance, reliability, and maintainability. Work with containerisation/orchestration technologies (Kubernetes) to deploy, manage, and scale services. Develop and maintain More ❯

Role Title: Senior Software Engineer Duration: 6 Months Location: Sheffield (3 Days Onsite) Rate: £550 Per Day - Umbrella only Would you like to join a global leader in consulting, technology services and digital transformation? Our client is at the forefront of innovation to address the entire breadth of opportunities in the evolving world of cloud, digital and More ❯

Senior Embedded C++ Software Engineer 62ph (Inside IR35) Southampton (Hybrid) Initial 6 month contract Our Southampton facility is a leading UK centre of excellence for electro-optics, photonics, and laser-based technologies. The site focuses on the design, development, and manufacture of advanced systems used across defence, aerospace, and security applications. We play an important role in … supplying critical technologies to both the UK armed forces and international partners, contributing to next-generation capabilities in multiple domains. We are on the hunt for talented software engineers to support our Integrated Sensors & Protection line of business. Direct industry experience is not required, we are happy to explore all backgrounds. We want to develop a new generation of … features and capabilities using innovative software solutions and we need you to create them. Essential Bare metal embedded C++ software development Embedded interfaces e.g. CAN bus, I2C, SPI, GPIO Familiarity with the tools and approaches to embedded development Work in our Southampton office 1-4 days a week. Employees are welcome to work onsite 5 days a week More ❯

Senior Embedded C++ Software Engineer £62ph (Inside IR35) Southampton (Hybrid) Initial 6 month contract Our Southampton facility is a leading UK centre of excellence for electro-optics, photonics, and laser-based technologies. The site focuses on the design, development, and manufacture of advanced systems used across defence, aerospace, and security applications. We play an important role in … supplying critical technologies to both the UK armed forces and international partners, contributing to next-generation capabilities in multiple domains. We are on the hunt for talented software engineers to support our Integrated Sensors & Protection line of business. Direct industry experience is not required, we are happy to explore all backgrounds. We want to develop a new generation of … features and capabilities using innovative software solutions and we need you to create them. Essential Bare metal embedded C++ software development Embedded interfaces e.g. CAN bus, I2C, SPI, GPIO Familiarity with the tools and approaches to embedded development Work in our Southampton office 1-4 days a week. Employees are welcome to work onsite 5 days a week More ❯

I'm currently recruiting for a long-term contract position to start ASAP. The opportunity is outside IR35 and remote with flexibility on rates. Project Scope - Develop new software services in a modern programming language to replace legacy systems and enable distributed operation. - Implement reliable communication layers and ensure seamless integration between software and hardware. - Design and deliver … fault-tolerant solutions capable of operating in demanding environments. - Support testing, verification, and documentation to maintain high standards across the project lifecycle. Key Skills - Very experienced in professional software development, especially Rust - Proficiency in Python or similar higher level language - Experience with Linux-based development - Experience with inter-process communication protocols If you think you'd be a good More ❯