551 to 575 of 1,330 Permanent Senior Software Engineer Jobs

Northrop Grumman UK is seeking a Senior Software Engineer in Manchester, operating in a hybrid model. You will design, develop and maintain critical infrastructure, delivering robust software solutions that meet complex challenges. You will lead and collaborate with backend and frontend teams, utilizing Java Spring Boot ...

Barclays Senior Software Engineer role within the Resilience Operations team focuses on building cyber resilience and recovery tooling across multi-infrastructure environments. You will design, develop and maintain scalable microservices and APIs, collaborating with infrastructure, security and product teams to enhance resilience and reduce recovery times. ...

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 ...

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 ...

Minster Law Ltd is seeking a Senior Software Engineer to join the Wakefield technology team. You will lead design, development and delivery of high-quality software, mentoring others and shaping engineering practices. You will work across Product, Engineering, Platform and Infrastructure to build scalable, secure solutions ...

Redline Group in Uxbridge is seeking a Senior Software Engineer to develop robust C#/.NET applications and RESTful APIs for next‐gen instrumentation products. You will join a motivated engineering team and contribute to design, coding and debugging across multiple software languages. The ideal candidate … strong C#/.NET experience, VB, SQL and Visual Studio expertise, and a solid grasp of software development methodologies. This role offers hands‐on coding in a dynamic environment. #J-18808-Ljbffr ...

exciting opportunity to join Avaloq’s Edinburgh office as part of our international Security team. You will join an experienced group of software engineers responsible for the frameworks, platforms and tools that help secure Avaloq’s technology landscape. As a Senior Software Engineer in the Security … Assurance team, you will build and enhance the automation and tooling that embeds security throughout the software development lifecycle. Working across software engineering, DevOps, cloud and application security, you will create scalable solutions that enable development teams to deliver secure, high-quality software. Design, develop and maintain ...

chance to do it on a global scale and play a real role in shaping our exciting journey. The role As a Senior Software Engineer, you will be a hands-on member of a high-performing engineering squad, building and operating business-critical digital services. This … augmented engineering environment. We are looking for people who are curious about AI-augmented engineering and willing to experiment with tools that improve software delivery. You will not be expected to use AI tools every day, but you should be open to applying them where they provide clear value ...

About Us We’reDayshape—an award-winning software scale-up with big ambitions and the momentum to match. Trusted by Big Four and many other top professional services firmsglobally, our AI-powered resource management platform is helping organisations to achieve extraordinary results. Our platform stands apart as the only … team, your key areas of focus will be enhancing product scalability and usability, helping consistently deliver features that support our customers' success. As a senior engineer, you will work collaboratively with the rest of our cross-functional team to plan and deliver new features and enhancements. You will ...

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 ...

Bell is hiring a Senior Software Engineer in the Operational and Regulatory Technology department. You will contribute to a cross-functional team, designing and delivering scalable services using C#, .NET Core, and APIs, with web frontends in Angular/React/Vue. Expect cloud deployments ...

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 ...

Stratospherec are delighted to be working on a new Senior Software Engineer role for a international SaaS company. This remote and salary of £80k (£80k equivalent over 6 months) This is an initial 6-month fixed-term contract role where you will be a part … enterprise-grade applications. Hands-on experience with Azure cloud services, architecture and deployments. Extensive hands-on experience implementing AI capabilities and AI tools within software development environments and production applications, including LLMs, AI APIs, AI-assisted development tools and agentic AI workflows. Proven ability to integrate AI into existing ...

Corporation in Newport, Wales, is seeking a Senior Software Engineer to contribute to advanced wafer handling and process system software. You will develop, test, and maintain industrial control software using OOD/OOP on Windows, writing high-quality code and documentation. You will work … cross-functional team, participate in the full software life cycle, and occasionally travel internationally (5-10%), including the United States. #J-18808-Ljbffr ...

Halliburton is seeking an experienced Senior Software Engineer to design and modernize high-performance applications in a hybrid work environment. The role involves ownership of technical direction, mentoring developers, and tackling legacy systems. The ideal candidate will have over 5 years of hands-on software engineering ...

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 ...

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 ...

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 ...

OneAdvanced is seeking a Senior Software Engineer in Birmingham to help evolve Vision, a large-scale clinical practice management system used by GP surgeries and clinics. You will work across a complex C++/COM/C#/.NET codebase, modernising technology and embracing AI-enabled development ...

GCHQ, the UK intelligence agency, is seeking a Senior Software Engineer in Cheltenham or Manchester to help design and deliver mission-critical software. You will contribute to architecture, code quality, and DevOps practices, with a focus on scalable, secure systems. Candidates should have strong skills in C++ ...

Millbrook Healthcare Group is seeking a Senior Software Engineer for a 24-month fixed-term contract in Southampton. You will own complex changes from design through to production, combining legacy VB.NET/C# and modern .NET with React/TypeScript in a mixed estate. The role ...

central London with the business-centric atmosphere of the City, making it an attractive hub for professionals. Role Overview We're hiring a Senior Software Engineer, Web! We build websites that handle millions of requests per day, presenting high-quality market data to our members … care about automation. We are looking for like-minded individuals to join us. Your responsibilities will be: Design, implement, extend, and maintain web software functionality, often requiring advanced knowledge and experience. Create customer documentation. Act as project manager for a feature across multiple parties. Strong Python and Linux knowledge. ...