426 to 450 of 1,140 Senior Software Engineer Jobs in England

simplicity, efficiency, and rapid execution. Our goal is to remove obstacles, enabling you to achieve success faster and more effectively. Role Overview As a Senior Software Engineer, you will play a pivotal role in architecting and developing our next-generation web application and API. This role requires … development, and mentoring of junior developers. You will drive the adoption of best practices, ensuring scalability, security, and performance. If you are passionate about software development, enjoy solving complex problems, and are ready to lead innovative projects, Join our dynamic team and contribute to building transformative solutions that make ...

Senior Software Engineer - Platform as a Service (BPaaS) Location: London Business Area: Engineering and CTO Ref #: 10052246 Description & Requirements Our team builds the platform that Bloomberg engineering teams use to deploy and run production services. BPaaS (Bloomberg Platform as a Service) is a multi-tenant system … operations across nearly a hundred clusters. Managing that many clusters by hand doesn’t work. The solution isn’t scripts and runbooks, it’s software that handles it reliably. You’ll design Custom Resource Definitions, implement controllers that reconcile desired state across the fleet, and write ...

Calnex Solutions Ltd. is seeking a C/C++ Senior Software Engineer to join its R&D team in the UK. You will design and deliver high-performance back-end software for the NE-ONE network emulation product family, collaborating with product owners and a small … team in a fast-paced environment. We expect 5+ years in software development, strong C++ skills, Linux/GNU experience, and mentoring ability. The role requires hybrid working with 2 days in the office (Tue/Thu) and occasional home-based work, #J-18808-Ljbffr ...

Bell is seeking a Senior Software Engineer to join the Operational and Regulatory Technology team. You will work in a cross-functional group on a broad technology stack, guiding the team to deliver high-quality services and APIs. The role requires strong experience with C#, .NET Core ...

Northrop Grumman UK is seeking a Senior Software Engineer in Cheltenham, offering hybrid working arrangements. You will design, develop and maintain critical infrastructure with a strong emphasis on robust, scalable software solutions and leadership in delivery. You’ll contribute across backend and frontend technologies, with experience ...

SYSTRA in the UK is seeking an experienced Senior Software Engineer to join our Systems Engineering and Assurance discipline. You will work with the Team Lead to provide software technical support across railway projects, from planning through Validation and SW maintenance. The role requires a degree … Computer Science or related field, strong knowledge of software lifecycles, requirements management, testing and verification, and EN 50128/50657 knowledge. IEC/EN 61508 knowledge is desirable. #J-18808-Ljbffr ...

Women's Engineering Society is seeking a Senior Software Engineer in Cheltenham to tackle mission-critical challenges. You'll be responsible for designing and evolving systems while delivering top-notch software solutions. A competitive salary ranges from £50,354 to £60,036, with additional bonuses … training opportunities. Ideal candidates will have proven software engineering experience and strong knowledge of methodologies, along with excellent communication skills. You'll work in a diverse and inclusive environment, committed to equal opportunities for all. #J-18808-Ljbffr ...

Women's Engineering Society is seeking a Senior Software Engineer in Cheltenham to tackle mission-critical challenges. You'll be responsible for designing and evolving systems while delivering top-notch software solutions. A competitive salary ranges from £50,354 to £60,036, with additional bonuses … training opportunities. Ideal candidates will have proven software engineering experience and strong knowledge of methodologies, along with excellent communication skills. You'll work in a diverse and inclusive environment, committed to equal opportunities for all. #J-18808-Ljbffr ...

Senior Software Engineer role in Nottingham hybrid: you'll design and deliver scalable cloud-based HR and payroll solutions on Microsoft Azure, shaping architectural direction and mentoring engineers while collaborating with Product Managers, UX Designers, and Test Engineers. You’ll drive quality, security, and performance across … SaaS platform used by customers across the UK and beyond, joining a cross-functional team that embraces AI tooling and modern software practices. #J-18808-Ljbffr ...

Their mission centres on driving energy efficiency, reducing carbon, and delivering reliable, affordable heat for residents. About the Role We're looking for a Senior Software Engineer with strong Python and infrastructure experience to play a key role in developing and maintaining a business-critical smart meter … build, take responsibility for them in production and help ensure the platform remains stable, observable and reliable. The environment is primarily focused on software engineering, with operations forming part of the role rather than becoming a full-time firefighting exercise. You'll also play an important role in supporting ...

Global) is seeking a Senior Software Engineer to join the Technology team in either Sheffield or London. The role is hybrid, with 3 days in the office each week. You will design, build and deliver scalable software used by educators and schools worldwide, collaborating with product … other engineers. You'll work in an agile environment, ensuring secure coding practices and driving engineering excellence, with responsibilities across the full software lifecycle and the #J-18808-Ljbffr ...

Cititec in London is seeking a Senior Software Engineer to join a leading energy trading business's LNG Technology team and play a key role in modernising their trading platform. You’ll refactor a complex legacy system and shape the future architecture while getting hands-on with ...

invites a Senior Software Engineer to join our digital assets team. You will design, build, and secure full-stack solutions—from APIs to user interfaces—supporting treasury automation, wallet inventory, and custody integrations. You’ll own the lifecycle from development through production, collaborating with trading desks ...

Bell is looking for a Senior Software Engineer to join the Operational and Regulatory Technology team in Manchester. You will work in a cross-functional squad, shaping architecture and delivering scalable services and APIs using C#/.NET Core, Mongo/SQL, and modern JS frameworks. ...

Group is seeking a Senior Software Engineer in London to join a fast-growing Series A cybersecurity start-up. You will own architecture end-to-end, tackle difficult security-focused problems, and influence product direction within a world-class engineering team. The role demands 5+ years … software engineering experience across Python/Go/Java/C#, with a strong emphasis on system design and production ownership. London-based, startup pace with meaningful equity. #J-18808-Ljbffr ...

Applied Intuition, Inc. in London (UK) is seeking a Senior Software Engineer to join our UK engineering team. The role focuses on designing and delivering high-performance C++ software, mentoring junior engineers, and collaborating with customers to translate requirements into robust technical solutions. You will work ...

Indra invites a Senior Software Engineer to join the Air Traffic Management team, developing safety‐critical distributed systems used in operational ATC environments. The role blends high‐performance software with AI‐assisted development tools to boost productivity, quality, and lifecycle automation. The ideal candidate ...

Printed.com seeks a Senior Software Engineer to join the Engineering team as we scale our platform across UK and US markets. You'll own technical decisions, mentor peers, and contribute to multiple concurrent projects across PHP (Symfony/Laravel) and Vue.js front ends, deployed on AWS. ...

seeking a senior software engineer to design, build, and operate high-performance data systems for quant researchers and trading teams. You will implement exchange data pipelines in modern C++ and coordinate HPC workflows for large-scale simulations. Strong experience in C++ (>=17) and Python is required, with … track record of shipping production software and mentoring juniors in a data-intensive environment. #J-18808-Ljbffr ...

understand complex data, so that governments, nation states, armed forces and commercial businesses can unlock digital advantage in the most demanding environments. Job Title: Senior Software Engineer Requisition ID: 123022 Location: Gloucester We offer a range of hybrid and flexible working arrangements please speak to your recruiter … involved with local community engagement and outreach activities to help build tech and cyber skills in the region. We are looking for experienced Software Engineers to join our team following continuous growth and success in the UK Government sector. What you could be doing for us: Designing, codes, tests ...

What we do. Electric Car Leasing Why we do it. Greener. Fairer. Future. We’re looking for a Senior Software Engineer (Python) to join our product and engineering team building the systems that power our ability to revolutionise the electric car leasing industry. Our tech stack … Contribute ideas, share knowledge, support, mentor, and raise the game of those around you. What you'll need... Deep expertise in Python, with strong software engineering fundamentals. Proven experience designing and building APIs, ideally using GraphQL. Comfort working with multiple data sources, including relational (PostgreSQL) and NoSQL databases. Excellent ...

Mitsubishi Electric Iconics Digital Solutions, Inc. seeks a Senior Software Engineer, Team Leader, to guide a cross‐functional team in Dudley, delivering production‐grade software across frontend, backend, and cloud infrastructure. You will shape architectural choices, mentor engineers, and drive AI‐augmented development with modern ...

Details Date Posted: 2026-09-24 Country: United Kingdom Location: London, London, City of Position Role Type: Onsite Senior Software Engineer Location: London Permanent Onsite Due to the interesting work we do and the sector this team is working in, we require all candidates to hold … teams work synchronously with our customers to solve some of the toughest digital challenges faced in the world today. Role & Responsibilities Design and build software using industry best practice Collaborate with stakeholders and other engineers Contribute to the completion of milestones associated with your project Contribute to continuous improvement ...

client is looking for a Senior Software Engineer Backend Leaning Contract may also be considered. What You Will Be Doing You'll sit at the core of their product, building the systems that make advanced AI usable in the real world. If you enjoy owning backend services ...

easyJet Airline Company PLC is seeking a Senior Software Engineer in Luton, with hybrid working and 60% in-office time per month. You will design, build and operate scalable software, solving complex technical challenges within a product-focused squad. You'll contribute to architecture discussions, improve … reliability and performance, and mentor others while delivering high-quality software for millions of customer journeys. #J-18808-Ljbffr ...