13 of 13 Contract Senior Software Engineer Jobs in the UK excluding London

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 ❯

Senior Software Engineer Location: Edinburgh (Hybrid) Contract: 6 Months (Initial) IR35 Status: Inside IR35 Our client, a leading organisation within the financial services sector, is seeking a highly motivated and experienced Senior Software Engineer to join their team on a 6-month initial contract. This role offers the opportunity to work on high-impact … systems within a secure, high-availability environment, supporting the development of services hosted on Public Cloud platforms. Youll bring strong software engineering expertise, coupled with DevOps proficiency across AWS and GCP, to design and implement resilient frontend clients, backend services, infrastructure automation, and cloud-native solutions. Key Responsibilities Design, develop and maintain secure, performant backend REST API services and … Support live systems, conduct root cause analysis, and deliver solutions for incidents and performance bottlenecks. Skills & Experience Bachelors/Masters in Computer Science or equivalent experience. 5+ years in software engineering with experience in large-scale distributed systems. Proficient in Python and GoLang. Strong background in cloud technologies (AWS and/or GCP), networking, IAM, and cost optimisation. Hands More ❯

Senior Software Engineer - AWS AI/TypeScript Remote/Hybrid | 6-Month Contract (Inside IR35) | Likely Extension Ready to build AI solutions that redefine customer experience? We're looking for a Senior Software Engineer to help a leading utilities business transform their contact centre with AWS AI services (Amazon Lex, LLMs) and next-generation More ❯

Job Title: Software Engineer - Premium Senior Engineer Location: Laindon, Essex (Mandatory 4 Days onsite per week) Rate: £92.61Ph via an Umbrella Company (Inside IR35) Employment Type: Contract (4 Months) Hours: Standard 37.5 Hours Per Week Worldwide Renowned Automotive Manufacturer in Essex has a vacant Senior Software contract opportunity available. As we continue to evolve 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 ❯

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 Title: Senior Software Developer Duration: End 2025 Location: Sheffield (Hybrid 3 Days Onsite) Rate: £550 - 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 DevOps proficiency across GCP, to design and implement resilient frontend client, backend services, infrastructure automation, and cloud-native solutions. … 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 Golang and Python. Experience with Liquibase or similar More ❯

Senior C++ Software Engineer Location: Edinburgh site based role Duration: 12 months Rate: £65 ph Umbrella SC Clearance required Are you interested in developing real-time embedded software for one of the most cutting-edge defence and aerospace projects in the UK? Do you like the sound of developing software for the European Common Radar … System (ECRS) For more information on Leonardos contribution to ECRS check out: (url removed) What you ll do as a senior level C++ Software Engineer: • Utilise your skills in UML modelling and C++ to develop new capabilities and maintain existing features within an IBM Engineering Rhapsody modelling environment • Work alongside systems and hardware engineers to deploy software to multi-core or distributed hardware platforms. • Work to airborne software design standard RTCA 178C and coding standards such as MISRA C/C++. Key Skillset • C++ • Desire to thrive in an office-based environment, working alongside other engineers • Industry relevant knowledge of the full software lifecycle. • Knowledge of OOD (Object Oriented Design) techniques. • Working and delivering More ❯

Senior C++ Software Engineer - Financial Services My client, a leading financial services organisation, is seeking a Senior C++ Software Engineer to join their dynamic and collaborative team. This is an exciting opportunity to contribute to high-impact projects in a fast-paced, agile environment. Key Responsibilities Analyse user requirements and translate them into robust … Develop new features and enhance existing functionality Lead code reviews and promote best practices across the team Mentor and support junior engineers Required Skills & Experience Proven commercial experience in software development using C++ Strong knowledge of SQL Proficiency in Unix/Linux environments Degree in a numeric discipline (e.g., Computer Science, Mathematics) or equivalent professional experience Excellent communication skills More ❯

Senior Software Engineer £460 Hybrid - 2 days on side in Bath Job Description: The client is looking for a software engineers to join our High Integrity Software team. You will join a diverse team of excellent and experienced engineers who are committed to ensuring our projects meet our customers' high expectations. We develop award-winning … software for safety-related and mission-critical applications across Aerospace, Defence, Rail, Automotive, and Energy sectors, often supporting critical national infrastructure. Our projects deliver transformative improvements in operational efficiency and safety, earning high respect and trust from our customers. Essential Background in Software Testing and/or Software development. Static code analysis experience or experience with Formal … Methods( SPARK, ADA, Z language) Experience in working safety critical environment, particularly in the nuclear industry. Experience with Spark/Software Language ADA. Excellent interpersonal skills and the ability to quickly build rapport with others Self-motivated and able to use initiative Organized, good time management and prioritization Methodical approach to work, with good attention to details and strong More ❯

Senior Python Software Engineer Contract - Outside IR35 Day Rate: Up to £725 (DOE) Immediate Start Location: UK Remote Opportunity: Our UK leading client is seeking experienced Senior Software Engineers who enjoy building products end-to-end. You’ll join a collaborative team where your expertise in backend systems (with Python as a core strength) will … and user outcomes Enthusiasm for learning, experimenting, and continuous improvement The Role: Work in a cross-functional squad alongside product managers, designers, and other engineers Contribute across the full software lifecycle — planning, building, deploying, and running systems Take ownership with a “you build it, you run it” mindset, from commit to production Collaborate directly with end-users and internal More ❯

Opportunity for Senior Software Engineers with a product mindset to work remotely for a UK based AI scale-up on an initial 6-month contract outside IR35. You'd join a large engineering department and would work within a cross functional product-based team responsible for building cloud-native, event-driven systems in a collaborative DevOps environment. The More ❯