16 senior software developer jobs found

Senior C# / .NET Developer | Financial Services (Risk & Securities Lending) Location: London (Hybrid) Role Type: 6 Months Contract, Rate: 585/day inside IR35 Are you an expert in C# / .NET with a deep understanding of the mechanics behind Risk Management or Securities Lending? We are looking for a Senior Developer to join a leading global financial institution, building high-performance systems that drive critical trading and financing workflows. The Opportunity You will play a pivotal role in designing and maintaining robust platforms used for complex risk calculations and high-throughput financial data processing. This is an environment where your technical expertise in Object-Oriented Programming (OOP) and API design will directly impact global operations and regulatory compliance. Key Responsibilities Engineering: Build scalable, testable, and maintainable applications using .NET Core and RESTful APIs. Risk Workflows: Implement exposure calculations, limit...

Senior Software Engineer in Test  Certain Advantage are recruiting on behalf of our globally renowned brand for a Senior Software Engineer in Test. This is a temporary contract inside IR35 initially until March 2027 working a couple of days onsite per month in Manchester for meet ups. We’re seeking Engineers who can offer demonstrable experience in developing and testing bespoke cloud-native applications; programming with Java, Python (or another OO language) utilising quality tools like SonarQube, with proven experience of automated software testing. If you embrace quality-first coding and want to work on real projects alongside experienced engineers with iterative and agile processes, please apply! Key Responsibilities Define and implement testing for cloud systems (platform and APIs) in an agile manner Implement testing frameworks; utilising automation tools where possible. Support the investigate and resolution of issues. Work closely with the SRE team to develop...

DevSecOps Consultant * Sheffield (3 days per week onsite) * Inside IR35 We're partnering with a leading financial services client to appoint a DevSecOps Consultant to drive secure engineering practices across large-scale, cloud-based platforms. This role is ideal for someone who has come from a hands-on DevSecOps Engineering background and has since transitioned into architecture/design and advisory, while still retaining strong technical depth. Key Responsibilities: * Define and implement secure architecture patterns across engineering platforms (CI/CD, build systems, runtime environments) * Conduct security assessments, threat modelling, and gap analysis across platforms and pipelines * Develop and embed DevSecOps best practices, including secure pipeline design and automated controls * Establish and enforce security baselines using policy-as-code * Build and deliver security roadmaps, prioritising risk and regulatory requirements * Partner with engineering and...

Job Title Full Stack Software Engineer (x2) Day Rate £450/day - Inside IR35 Location Remote - Occasional London Duration 6 months (with view to extend) ROLE DESCRIPTION Brio Digital are supporting a consultancy on a major NHS digital programme and are looking for two experienced Senior Full Stack Software Engineers to join a high-performing engineering team. You will play a senior role in the design and delivery of modern, scalable web applications, bringing strong full stack expertise across Next.js, TypeScript, and AWS in a programme delivering meaningful impact across NHS services nationwide. KEY RESPONSIBILITIES Design and build high-quality, scalable full stack applications using Next.js and TypeScript Develop and maintain cloud-native solutions on AWS, following well-architected and security best practices Design, build, and consume RESTful APIs, ensuring performance, reliability, and security standards are met Write and maintain automated end-to-end test suites...

Our OEM Client based in Gaydon, is searching for a Senior Engineer – Stability Control Systems and Driveline to join their team, Inside IR35. This is a contract position with a proposed end date of 31st March 2027. Umbrella Pay Rate: £33.64 per hour. What to expect: The Vehicle Dynamics Department is primarily responsible for ride, steering, handling and stability control systems. The stability controls area develops and delivers stability functions such as Dynamic Stability Control, ABS functions, Torque Vectoring, Traction Control, and Driveline Distribution. The work covers all aspects of the controller design from requirements writing to testing and developing to a tuneable condition as well as tuning and calibration to meet vehicle attribute targets. The delivery engineers for these functions are grouped in one team to create a flexible workforce and to maximise knowledge transfer between them. The Senior Engineer Stability Control Systems and Driveline will work across...

Contract Senior Software Engineer (Java or Python) | Inside IR35 Contract length: 6 months (with potential to extend) Location: London Working Environment: On-site You will be joining a private equity firm as a senior software engineer, to work across the following responsibilities: Develop and support P&L, accounting, and returns-calculation applications across trading books Build and extend our Client Reporting Framework Add instrument and asset class coverage in our Trade Repository system Manage data exchange with third-party vendors via SFTP and AWS S3 Use AI coding assistants (Claude, Cursor, GitHub Copilot) to compress delivery timelines while maintaining full code ownership and quality accountability Collaborate with quant researchers and traders to translate complex financial requirements into auditable, production-grade code Provide production support, working with Platform and SRE teams as needed Key Requirements:  Technical: 8+ years commercial experience in...

Python Full Stack Developer Leeds (Hybrid) 6 Month Contract £(Apply online only)/day (Inside IR35) Python Full Stack Developer needed with Frontend development using Vue.js, JavaScript, CSS and HTML for a 6 Month Contract in Leeds (Hybrid). Start ASAP ideally May 2026. Hybrid Working – 3/4 days/week remote (WFH), and 1/2 days/week working on-site in the Leeds office. A chance to work with a leading global IT transformation business specialising in large-scale Government projects. Key experience, responsibilities + tasks: Leading the design + development of complex applications using Core Python, and web frameworks like Flask + Django. Strong Python development expertise, and strong lead skills, including the ability to drive development projects and mentor junior developers. Front-end development using Vue.js, JavaScript, CSS and HTML to create seamless user interfaces. Technical Environment: Full Stack, Python, Flask, Django, Vue.js, React, CSS, HTML, Agile methods,...

Lead CMF Designer Rate: Dependent on experience Location: Crewe: Hybrid – 3 days onsite per week, with flexibility required in line with business needs Hours: 37 hours per week Contract: Inside IR35 | Until 30th June 2027 Role Summary We are seeking a Lead CMF Designer to join the Colour and Trim function, reporting directly to the Head of Colour and Trim. This role will support innovation-focused projects, including coachbuild activity, and will involve creating and leading CMF design solutions for new products across 2D, 3D and digital media. As a Lead CMF Designer, you will develop creative, functional and brand-led design proposals that meet agreed technical, ergonomic and quality requirements. The role requires strong collaboration across internal departments, suppliers, cross-functional teams and senior stakeholders. This is a senior opportunity for a confident CMF designer with experience leading projects, presenting at director level and delivering innovative...

Our OEM Client based in Gaydon, is searching for a Senior Project Scheduler to join their team, Inside IR35. This is a contract position with a proposed end date of 31st March 2027. Umbrella Pay Rate: £33.64 per hour. Key Performance Indicators: Lead role specific departmental activity. Ensure stakeholder alignment for all role specific tasks. Ensure clear communication plans are executed. Demonstrate excellent business behaviours including team working. Deliver EO Master Schedule plans for ALL projects in the  space, on time using the latest information. Key Accountabilities and Responsibilities: Working with the Pre-KO cross functional teams, establish aligned programme content. Responsible for creating the EO Master schedules on behalf of the Engineering Operations team, in the Pre-KO phase programmes, using the project Timing plans Responsible for handover of EO Master schedules to the relevant EO project team as the project travels through. Responsible for establishing and...

Senior Manufacturing Engineer 6 month contract Based in Ampthill Offering £50ph Inside IR35 Do you have experience with MRP systems? Do you have experience with SAP or similar ERP systems? Do you want to work with an industry-leading company? If your answer to these is yes, then this could be the role for you! As the Senior Manufacturing Engineer, you will be working alongside a market-leading Defence and Aerospace company who are constantly growing and developing. They are always looking to bring on new talents such as yourself and further develop your skills to enable you to grow within the company and industry. You will be involved in: Develop manufacturing processes Defining sequence of operations, procedures, and production layouts for assemblies, equipment installation, processing, and material handling taking into account flow and lean philosophies Providing Basis of Estimates for engineering activities and shop floor operations across a range of technologies and...

Senior Manufacturing Engineer 6 month contract Based in Ampthill Offering £50ph Inside IR35 Do you have experience with 5 Axis CNC Machining? Do you have experience of MRP Systems and managing BOMs? Do you want to work with an industry-leading company? If your answer to these is yes, then this could be the role for you! As the Senior Manufacturing Engineer, you will be working alongside a market-leading Defence and Aerospace company who are constantly growing and developing. They are always looking to bring on new talents such as yourself and further develop your skills to enable you to grow within the company and industry. You will be involved in: Develop manufacturing processes Medium /Large CNC machined components Defining sequence of operations, procedures, and production layouts for assemblies, equipment installation, processing and material handling Providing Basis of Estimates for engineering activities and shop floor operations across a range of technologies and...

Our premium brand Automotive client is currently recruiting for the following role: Vehicle Dynamics Senior Engineer Stability Control Systems and Driveline - £34/hr (Inside IR35) - Warwickshire - 11 Months (potential for yearly renewal) Description: The Vehicle Dynamics Department is primarily responsible for ride, steering, handling and stability control systems. The stability controls area develops and delivers stability functions such as Dynamic Stability Control, ABS functions, Torque Vectoring, Traction Control, and Driveline Distribution. The work covers all aspects of the controller design from requirements writing to testing and developing to a tuneable condition as well as tuning and calibration to meet vehicle attribute targets. The delivery engineers for these functions are grouped in one team to create a flexible workforce and to maximise knowledge transfer between them. The Senior Engineer Stability Control Systems and Driveline will work across multiple vehicle...

Senior Service Designer / Senior Customer Journey Designer is required by my global financial services client. This role will be home based with very ad-hoc on-site visits to two of their UK based sites. The initial contract term is 6 months and this role is on an Inside IR35 basis so a compliant payment solution must be utilised. Day rates are flexible, please detail your expectation upon application. My client are seeking an experienced and strategic Senior Service Designer to join their Customer Journey team. This is an opportunity to help shape the role and contribution of Service Design in the company as they work towards improving their customer experience in support of great customer and business outcomes. As a member of this team, you will play a central role in mapping their customer journeys across a complex landscape of internal functions and external business partners. It will require experience in judging the right approach for the right moment, balancing both...

CAD Data Quality Analyst Warwickshire, UK Employment Type: Contract (12 Months, Rolling) Rate: £29.98 per hour (Inside IR35) Hours: 40 Hours Per Week | 5 Days Per Week Work Pattern: Hybrid   Role Overview Envisage Recruitment is currently seeking a highly skilled CAD Data Quality Analyst (Senior Professional - P3 Level) to join a leading automotive client within their Vehicle Engineering and Architecture division. This is a pivotal role focused on ensuring the integrity, accuracy, and quality of CAD data across complex engineering programmes. You will apply advanced technical expertise to evaluate engineering requirements and translate them into precise digital models, technical drawings, and simulation outputs that support vehicle development.   Key Responsibilities Develop and refine digital models, technical drawings, and layouts using CAD/CAM/CAE tools. Assess and validate engineering requirements, ensuring all CAD data meets strict quality and compliance...

FPGA Engineer Initial 12-Month Contract Stevenage OR Bristol x3 days onsite p/w (inside IR35) SC to start - UKEO programmes £90ph, UMB, inside IR35 Our client, a key player in the Defence & Security sector, is currently seeking a talented FPGA Design Engineer to join their team on a contract basis. This role involves working on a growing portfolio of complex FPGA projects, including advanced signal processing systems, core embedded processing systems, and safety & security critical systems. Key Responsibilities: Tackle technically demanding projects and develop new skills Embody key values of Innovation, Commitment, Integrity, Passion, and Team Spirit Join a team full of desire and ambition to be the best Work at the forefront of technology, developing new and innovative concepts for future products Design, develop and prove key products throughout the product lifecycle from concept to in-service support Define the architecture and requirements, working with hardware...

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...