9 of 9 DemandTrendContract Senior Software Engineer Jobs in the UK

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 C++ Software Engineer We are looking for a Senior C++ Software Engineer with extensive commercial software development experience using C++ ideally within the finance domain. What you will be doing: As a Senior C++ Software Engineer, you will be involved in: Analysis of user requirements and translation into solution … Implementation of new features and feature enhancements Leading code reviews and enforcing best practice within a small, agile, focused team Mentoring junior colleagues What you will need: Extensive commercial software development experience using C++ SQL experience Unix/Linux experience Relevant degree in a numeric discipline, or equivalent work experience Excellent written and spoken English By applying to this 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 ❯

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 ❯

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 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 ❯

Senior C# - Unity - Software Engineer - Contract Opportunity Need to have experience with BOTH, C# and Unity London - Hybrid Working We are seeking talented engineers who are at advanced level with C# and happy to jump straight into a team focused on advancing next-generation virtual experiences through innovative technologies and robust infrastructure. Ideal Candidate Profile Have senior … Are familiar with internal tooling and build systems (CI/CD, pipelines, alerts) Can debug and troubleshoot complex, distributed systems Have experience with SQL and data engineering Job Title: Senior C# - Unity Software Engineer Location: London, UK Job Type: Contract Trading as TEKsystems. Allegis Group Limited, Maxis 2, Western Road, Bracknell, RG12 1RT, United Kingdom. No. (phone More ❯

Job summary The Epidemiological Insight Team in UKHSA is recruiting an SEO Mathematical Modeller/Research Software Engineer to support a National Institute for Health and Care Research-funded Health Protection Research Unit (HPRU). The Health Analytics and Modelling HPRU brings together world-leading health analytics and modelling groups to better prepare the UK for future health … of different policies (like vaccination or testing), and consider the costs and effects on the economy. Main duties of the job Your role will be to develop our internal software applications - Disease Wiki and Disease Parameters Database. Working with HPRU project partners at Imperial College London and London School of Hygiene and Tropical Medicine you will help leverage synergies … public health experts) and with external collaborators, you will be a team player with excellent mathematical background, have a good understanding of modern programming techniques including API development and software packaging. You should also have excellent report writing skills and an awareness of modelling infectious disease processes. Your role will be to explore and define best practice knowledge transfer More ❯