56 senior software engineer jobs found

Senior Software Engineer (DevSecOps) Contract | Inside IR35 | Up to £580/day | Full-time | North Yorkshire (1 day per week on-site, increasing from September) You will join a global IT consultancy delivering digital transformation to a well-established financial services organisation . You will be an experienced Senior Software Engineer with a strong DevSecOps background to join an engineering enablement function on an initial contract running to the end of December 2026. This is a hands-on role at the centre of modernising how software is built, delivered, and operated. You will work within a squad environment, driving adoption of Golden Path patterns, progressive delivery practices, and secure-by-design principles - with a clear focus on measurable outcomes. The role You will take ownership of the full delivery lifecycle: from pipeline design and environment architecture through to release-linked observability and incident readiness. Day to day, you can expect to be shipping...

Your new company Working for a globally renowned financial organisation Your new role We're looking for a Senior Software/ Data Platform Engineer to help evolve a large‑scale financial data platform. The environment includes both long‑standing enterprise systems and modern AWS cloud services. The platform handles high‑volume structured data and supports internal systems and customer‑facing products. A big part of the role involves working with large SQL Server environments, so strong SQL skills are essential. You'll help modernise core systems, improve performance and reliability, and build scalable backend and data services. This role suits engineers who are comfortable working across legacy and modern architectures and who have strong experience designing and building reliable APIs and data services. What you'll need to succeed Great professional experience as a Senior Software/ Data Platform Engineer in financial services. Strong SQL Server expertise (queries, stored...

Job Title: Senior Software Engineer in Test Type: Inside IR35 Contract Rate: £600-£650 per day Duration: 6 months minimum (likely to extend) Location: London - 3 days on site (Canary Wharf)  A large fintech business are looking for a senior-level quality engineer with a strong software engineering mindset to help shape and safeguard new platform capabilities across complex workflow-driven systems on a contract-basis. This role sits embedded within product engineering, operating in a shared ownership model alongside Java and React developers, with a heavy emphasis on automation. What you’ll be doing Building and maintaining automated coverage across the stack, from APIs through to user journeys, using established internal tooling and frameworks. Evolving existing test frameworks where required, while staying aligned with core engineering standards. Working closely with frontend and backend engineers to ensure critical paths are well understood, well tested, and production-ready....

Our client has an opportunity for a Senior Software Engineering Manager to join them on a contract basis. Reporting to the System Design Manager, you will be responsible for the management and day-to-day activities of the software team, collaborating with other disciplines and managers in all areas of the business. Role: Senior Software Engineering Manager Location: Farnborough - fully onsite Hours: 37 per week Hourly Rate: £52.17 per hour via Umbrella, inside IR35 Clearance: BPSS required before starting What you'll be doing: Team Leadership: Lead the day to day activities of the software team, taking responsibility for delivering the agreed team goals. Skills Development: Develop the team's personal and professional skills, acting as a mentor and coach to the team members. Team growth: Be part of the recruiting team seeking new talent as the team grows. Be accountable for the planning, design, development, verification and integration of the software for the...

Back End Software Engineer - SC Cleared Contract | Remote (occasional London travel) | £450/day (inside IR35) We're recruiting on behalf of a major government technology programme for a senior software engineer to help design and evolve high-performance, cloud-based systems that support critical public services. This is a hands-on technical role with real influence - you'll contribute to architecture decisions, mentor colleagues, and own complex integrations end-to-end. Working within an Agile squad, you'll lead technical design discussions, manage CI/CD pipelines, and play an active role in incident and change management, all within a modern Azure cloud environment. What you'll need Angular - component architecture and state management Node.js - async programming and API/backend services Azure - designing and managing scalable cloud infrastructure Terraform - infrastructure as code and environment automation Jenkins - CI/CD pipelines and automated testing Git - branching...

Software Engineering Manager Certain Advantage is hiring for a Software Engineering Manager based in the Farnborough area. This role is on a contract basis and is site-based. The Company We’re working with a Manufacturing business that operates in the Aerospace sector. They design, manufacture and deliver industry-leading commercial aircraft, and a separate Space and Defence division. Does this sound like your next career move? If you’re ambitious to grow, this may be your next role? The Role: This role is for a Software Engineering Manager—someone ambitious and ready to make an impact. You’ll be results-oriented and driven to succeed. You’ll be working in a small, experienced, and collaborative team, and be responsible for: Lead the day-to-day activities of the software team Plan, design, develop, verify, and integrate the software for the high-altitude, long-endurance Zephyr aircraft. Acting as the technical authority for software, ensuring compliance with safety, performance,...

Our client. is seeking a highly skilled Structures Senior Engineer to join their Highways team on a contract basis. This role offers a blend of remote working and office presence, focusing on a range of infrastructure projects within the council's responsibility. Key Responsibilities: Undertake work on road bridges, foot bridges, culverts, subways, retaining walls, and gantry assets as part of the planned structures maintenance programme. Design and support the development of highway structures schemes, managing projects from concept to construction. Produce and review design drawings, specifications, tender documents, and preconstruction information. Develop the planned programme based on asset management prioritisation. Ensure project delivery within budget, on schedule, and in compliance with technical standards and legal obligations. Conduct visual, general, and principal inspections on site, and assess information through desktop studies and asset management software. Manage...

Senior Python Developer (Contract) £600 - £700 PD (Inside IR35) 6 Months Contract London HybridOverview We are seeking an experienced Lead Python Software Engineer. You will lead the technical architecture and delivery, ensuring reliable system synchronisation, improved data consistency, and scalable solutions for an amazing brand. Role & Responsibilities Lead the architecture and technical delivery of the solution Develop backend services and APIs, with occasional frontend contributions where needed Implement reliable system integrations and data synchronisation Work within established architecture patterns and engineering standards Collaborate with engineers, product managers, and other stakeholders Communicate technical decisions clearly and maintain high engineering standards Essential Skills & Experience Strong experience with Python and TypeScript Strong AWS experience (ECS, Lambda, Step Functions, API Gateway) Experience managing infrastructure with Terraform...

An opportunity exists for a senior planning professionals who can bring structure, clarity, and strategic vision to a major infrastructure project. You will be expected to take the lead on complex infrastructure projects, leveraging cutting-edge tools and forward-thinking methodologies to shape national energy solutions. Whether overseeing offshore wind connections, substation builds, or underground cabling programmes – this is planning that truly makes a difference. Your duties will include – Develop, manage, and maintain fully resourced, logically linked programmes across all project stages. Lead the creation and presentation of compelling tender programmes and planning strategies that influence bid outcomes. Oversee the management and performance of contract programmes, ensuring alignment with commercial and operational objectives. Identify project risks, analyse impacts, and implement robust mitigation measures. Provide detailed planning updates, progress reports,...

Job Title: Software Engineer (Python/AWS) Location: Remote (Quarterly planning sessions in Bristol) Remuneration: £600 per day (via Umbrella) Contract Details: Fixed Term Contract, 6 months Responsibilities: Are you ready to take on an exciting challenge? Our client is looking for two talented Software Engineers to join their innovative team! You'll be at the forefront of transforming existing on-premise tools to AWS cloud, ensuring that scalability, reliability, and security are at the heart of everything you do. Here's what you'll be diving into: Design, Build, and Deploy: Create high-performance, scalable software that aligns with our long-term operational goals. Develop Python Services: Maintain and enhance Python-based services optimized for AWS cloud environments. Lead Migration Efforts: Spearhead the migration of legacy tools into AWS, ensuring minimal disruption and enhanced performance. Automated Testing: Implement TDD and automated testing to uphold high-quality...

Senior Civil Design Engineer £38 to £55 per hr Outside IR35 Reading Hybrid working available Our client is an award winning multi disciplinary design consultancy who are based near Reading. The are looking to recruit a Civil Design Engineer who has experience of Drainage Design on a wide range of residential and commercial type projects. The right candidate will undertake tasks designing infrastructure for commercial, retail, residential and industrial sectors. Civil Engineer Job Overview • Design of infrastructure for commercial, retail, residential and industrial sectors including SUDS drainage systems, roads to adoptable & DMRB standards. • Liaison with statutory bodies such as Southern & Thames Water, Roads Department, local drainage authorities. • Attend design meetings, site meetings and carryout site inspections. • Liaise and communicate clearly in a professional manner to colleagues, clients, contractors and other designers and to offer advice and...

Drainage & Utilities | International Projects Contract Length: 12 months (long-term) Engagement: Contract Location: UK-based / Hybrid (working closely with Middle East client teams) An established international engineering consultancy is seeking an experienced Senior Civil Engineer on a 12-month contract to support a major Middle East client delivering high-profile, technically complex developments. The role will focus on the design and coordination of drainage and utilities for large-scale projects, including sports stadia, tall towers, and mixed-use developments. Key Responsibilities Deliver drainage and utilities design for complex international developments Work across concept, detailed design, and client coordination stages Prepare and review drainage strategies, calculations, and technical drawings Use Civil 3D and drainage software such as InfoDrainage and/or HydroCAD Coordinate with multidisciplinary teams and overseas stakeholders Ensure designs align with...

2 Senior Systems Engineers Inside IR35 £81.05 per hour 6 months initial term This is a senior technical role relating to the Electronic aspects of hardware design for systems engineering. A highly experienced professional engineer with a depth and breadth of knowledge in Electronics Engineering who speaks and acts authoritatively on matters pertaining to their discipline, leading and applying the principles of Electronics Engineering across the entire engineering development lifecycle from requirement definition to system integration and customer acceptance into system support and disposal. Employs a depth and breadth of expertise relating to Electronics Systems Engineering to the most complex engineering problems, challenges, and issues associated with the domain. Designs, develops, promotes and shares discipline knowledge and capability for implementation across the business and programmes, providing authoritative guidance to others relating to area of expertise. Acts as...

2 Senior Systems Engineers Inside IR35 £81.05 per hour 6 months initial term This is a senior technical role relating to the Electronic aspects of hardware design for systems engineering. A highly experienced professional engineer with a depth and breadth of knowledge in Electronics Engineering who speaks and acts authoritatively on matters pertaining to their discipline, leading and applying the principles of Electronics Engineering across the entire engineering development lifecycle from requirement definition to system integration and customer acceptance into system support and disposal. Employs a depth and breadth of expertise relating to Electronics Systems Engineering to the most complex engineering problems, challenges, and issues associated with the domain. Designs, develops, promotes and shares discipline knowledge and capability for implementation across the business and programmes, providing authoritative guidance to others relating to area of expertise. Acts as...

Job Title: Senior Engineer - Identity Contract: 6 months (extension possible) Location: London (Hybrid - 1 day onsite, 4 days remote) Overview We are seeking a Senior Engineer to deliver across key Identity-focused workstreams within a modern, distributed engineering environment. You will bring a strong backend engineering foundation alongside hands‑on delivery capability, operating across multiple services and components. This role requires someone who takes ownership, drives progress proactively, and contributes to both new development and continuous improvement. You will work within a structured delivery framework while maintaining a strong focus on product impact, security, and customer outcomes. As identity systems increasingly interact with automated and AI‑enabled workflows, we value engineers who stay aware of emerging security considerations within these modern environments. Core Technical Skills Skills Strong backend engineering with Java and/or Kotlin Experience...

Senior / Principal C&I Engineer – Staff Location: West Wales This is an excellent opportunity to join a leading engineering business during a period of continued growth as they support the Oil & Gas, Petrochemical, Renewable Energy, Hydrogen and Nuclear sectors. TUV Certified status would be a bonus, though not essential. Role & Responsibilities * Undertaking work providing Process Engineering support to a range of CAPEX and OPEX projects. * Performing safety specification and certification of safety instrumented systems. * Carry out SIL Verification using simplified equations. * Undertake design and checking of deliverables according to discipline and area of expertise. * Checking the quality of design work to ensure compliance with agreed client design specifications. * Preparation and checking of deliverables including drawings, schedules, datasheets, specifications, (input to control philosophies and narratives if applicable). * Development...

Senior Electrical Engineer – Contract – Remote Location: Remote / Hybrid Location: Hybrid This is an excellent opportunity to join a leading engineering business during a period of continued growth as they support the Oil & Gas, Petrochemical and Renewable Energy sectors. Our client can accommodate a hybrid working pattern with alternate weeks wfh / in the office in West Wales. The role will be outside IR35. Role & Responsibilities * Undertake design and checking of deliverables according to discipline and area of expertise. * Checking the quality of subcontractor design work to ensure compliance with agreed client design specifications. * Preparation and checking of deliverables including drawings, schedules, datasheets, specifications, (input to control philosophies and narratives if applicable). * Must understand wiring diagrams, control logic diagrams, system descriptions, system calculations, 1-line and 3-line AC drawings, AC & DC schematics, and...

Senior / Principal C&I Engineer – Contract Location: West Wales This is an excellent opportunity to join a leading engineering business during a period of continued growth as they support the Oil & Gas, Petrochemical, Renewable Energy, and Hydrogen sectors. TUV Certified status would be a bonus, though not essential. Role & Responsibilities * Undertaking work providing Process Engineering support to a range of CAPEX and OPEX projects. * Performing safety specification and certification of safety instrumented systems. * Carry out SIL Verification using simplified equations. * Undertake design and checking of deliverables according to discipline and area of expertise. * Checking the quality of design work to ensure compliance with agreed client design specifications. * Preparation and checking of deliverables including drawings, schedules, datasheets, specifications, (input to control philosophies and narratives if applicable). * Development of...

Location: West Wales This is an excellent opportunity to join a leading engineering business during a period of continued growth as they support the Oil & Gas, Petrochemical, Renewable Energy and Nuclear sectors. Our client will consider applicants for either a staff or contract position – for a contractor the role will be outside IR35. Role & Responsibilities * Undertake design and checking of deliverables according to discipline and area of expertise. * Checking the quality of subcontractor design work to ensure compliance with agreed client design specifications. * Preparation and checking of deliverables including drawings, schedules, datasheets, specifications, (input to control philosophies and narratives if applicable). * Must understand wiring diagrams, control logic diagrams, system descriptions, system calculations, 1-line and 3-line AC drawings, AC & DC schematics, and be able to size equipment and perform cable sizing calculations * Participation...

At TÜV SÜD we are passionate about technology. Innovations impact our daily lives in countless ways, and we are dedicated to being a part of that progress. We test, we audit, we inspect, we advise. We never stop challenging ourselves for the safety of society and its people. We breathe technology, we strive for professional excellence, and we leave a mark. We take the future into our hands. We are TÜV SÜD. Role Purpose This role focuses on modern, automation-first quality engineering, leveraging AI-assisted testing, autonomous test generation, and intelligent validation to accelerate delivery across multiple products and teams. The engineer will design, build, and evolve automation frameworks while introducing AI-driven capabilities (“vibe coding”, generative testing, self-healing tests, etc.) to improve software quality and team productivity. Please note this role is based out of our East Kilbride site (Glasgow) Key Responsibilities * Lead and evolve the end-to-end test...