9 senior lead software engineer jobs found

Role: Senior / Lead Software Engineer (Python, Django) Type: 12 Months Contract Location: London / Manchester / Birmingham / Cardiff / North East, UK Working Model: Hybrid (2 days per week in Office) Payrate: £600 - £750 per Day on Inside IR35 via Umbrella What You'll Do: Lead end-to-end system design and delivery using Python and Django. Write secure, test-driven code and maintain live service performance. Work in an Agile, multidisciplinary team aligned with Government Digital Service (GDS) standards.What We Need: 5+ years experience (ideally 8-10 years). Deep technical expertise in Python & Django. Proven system design and architecture capabilities. Strong communication and collaborative problem-solving skills.Bonus: Previous experience with GDS standards, the public sector (e.g., MOD, HMRC), or secure defence environments. This is an urgent vacancy with a deadline where the hiring manager is shortlisting for an interview immediately. Please apply with a copy of your...

Role: Senior / Lead Software Engineer (Python, Django) Type: 12 Months Contract Location: London / Manchester / Birmingham / Cardiff / North East, UK Working Model: Hybrid (2 days per week in Office) Payrate: £600 - £750 per Day on Inside IR35 via Umbrella What You'll Do: Lead end-to-end system design and delivery using Python and Django. Write secure, test-driven code and maintain live service performance. Work in an Agile, multidisciplinary team aligned with Government Digital Service (GDS) standards.What We Need: 5+ years experience (ideally 8-10 years). Deep technical expertise in Python & Django. Proven system design and architecture capabilities. Strong communication and collaborative problem-solving skills.Bonus: Previous experience with GDS standards, the public sector (e.g., MOD, HMRC), or secure defence environments. This is an urgent vacancy with a deadline where the hiring manager is shortlisting for an interview immediately. Please apply with a copy of your...

Role: Senior / Lead Software Engineer (Python, Django) Type: 12 Months Contract Location: London / Manchester / Birmingham / Cardiff / North East, UK Working Model: Hybrid (2 days per week in Office) Payrate: £600 - £750 per Day on Inside IR35 via Umbrella What You'll Do: Lead end-to-end system design and delivery using Python and Django. Write secure, test-driven code and maintain live service performance. Work in an Agile, multidisciplinary team aligned with Government Digital Service (GDS) standards.What We Need: 5+ years experience (ideally 8-10 years). Deep technical expertise in Python & Django. Proven system design and architecture capabilities. Strong communication and collaborative problem-solving skills.Bonus: Previous experience with GDS standards, the public sector (e.g., MOD, HMRC), or secure defence environments. This is an urgent vacancy with a deadline where the hiring manager is shortlisting for an interview immediately. Please apply with a copy of your...

Role: Senior / Lead Software Engineer (Python, Django) Type: 12 Months Contract Location: London / Manchester / Birmingham / Cardiff / North East, UK Working Model: Hybrid (2 days per week in Office) Payrate: £600 - £750 per Day on Inside IR35 via Umbrella What You'll Do: Lead end-to-end system design and delivery using Python and Django. Write secure, test-driven code and maintain live service performance. Work in an Agile, multidisciplinary team aligned with Government Digital Service (GDS) standards.What We Need: 5+ years experience (ideally 8-10 years). Deep technical expertise in Python & Django. Proven system design and architecture capabilities. Strong communication and collaborative problem-solving skills.Bonus: Previous experience with GDS standards, the public sector (e.g., MOD, HMRC), or secure defence environments. This is an urgent vacancy with a deadline where the hiring manager is shortlisting for an interview immediately. Please apply with a copy of your...

Principal Platform Engineer - Ref: 1733 Initial contract until 27/12/26 £98.82ph, UMB, inside IR35 Yeovil - Full time onsite Please note, DV clearance is required for this positon and the programme will have "UK Eyes Only" restrictions. Your Impact Are you ready to take on complex technical challenges at the forefront of cyber and platform engineering? At Leonardo, our Principal Platform Engineers are hands-on experts who shape the design, integration, and delivery of secure platforms that keep our customers' missions running. Your work at Leonardo UK will see you take the lead in solving customer problems in an agile, innovative and team-centric manner. The role may involve a blended hybrid working model, with a mixture of working from home and working on site at one of our Leonardo offices to ensure close collaboration with the wider team and with our customers. Leonardo UK is seeking a Principal Platform Engineer to join the Cyber & Security Solutions Division...

Backend Software Engineer (Java & Identity Access Management) 7 Months 4 Days per week on site (Basildon) £593.48 per day (Inside IR35) My client in the automotive industry are looking for an experienced Senior Backend Software Engineer to join our Identity Management Services team, focusing on the core platform work that powers our identity infrastructure. In this role, you will design and build high-scale backend services while serving as a technical lead to upskill the team in modern, industry-leading application development. You will be responsible for ensuring the plaatform is secure and resilient, leveraging your deep engineering expertise to elevate the team's technical standards and foster a culture of excellence in backend engineering. OAuth would be very beneficial Skills Required: - Proficiency in Java - Java Framework - Web development - DevOps practices (CI/CD, version control) - Security and identity management - Monitoring and logging - Relational...

Quantitative Engineer - Exotic Derivatives (Contract) Location: London, UK (Hybrid/On-site) Engagement: Contract (Inside IR35) Duration: 12 months Rate: £750-£800 per day (via an umbrella company) About the Role We are seeking a Distinguished Quantitative Engineer for a high-impact, senior individual-contributor contract role based in London. This is a position for a seasoned professional with 15+ years of demonstrable experience independently designing, implementing, and delivering production-grade pricing and risk models for complex exotic derivatives across Equity, Rates, FX, and Commodities. We require deep, hands-on ownership. You will be responsible for everything from mathematical formulation and numerical implementation to performance optimisation and direct contribution to live analytics and trading systems. What You Will Do End-to-End Model Ownership: Independently design, implement, and validate pricing and risk models for complex and exotic OTC derivatives...

Lead DevSecOps Engineer - SC Cleared Rate: £600 - £645 a day IR35 Status: Inside IR35 Clearance required: MOD SC Location: Office visits to London circa once a week You will join a global IT Consultancy delivering digital transformation to the MoD. As an experienced, client-facing Lead DevSecOps Engineer you will drive and coordinate DevSecOps practices across multiple digital products. Products will be deployed across the MOD digital estate (MODCloud), including MOD's instances of Microsoft Azure (MODCloud ACE / i-ACE), AWS (MODCloud ICE) and Oracle Cloud Infrastructure (OCI / MODCloud OCE). You will embed security, compliance and automation into the software delivery lifecycle, ensuring platforms and applications meet stringent security and operational standards. You will also establish consistent, documented processes used by DevSecOps engineers across each environment, including a coordinated approach for releasing updates across the integrated set of products 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...