7 of 7 Senior Software Developer Jobs in London

Senior Software Developer- Must have current SC Clearance. This role is responsible for the design, development, delivery, and ongoing improvement of soft-ware solutions within a secure, government-focused environment. The successful candidate will contribute to building resilient, scalable, and user-centred services, ensuring compliance with regulatory … technical leadership, collaboration within multidisciplinary teams, and ownership of both development and live service performance. Key Responsibilities • Lead the design and delivery of scalable software solutions• Translate user needs into technical outcomes• Build secure, test-driven, high-quality code• Support and maintain live services (performance & stability)• Collaborate with multidisciplinary ...

Senior Software Developer** (Contract) Duration: Up until 31 March 2027 (Possibility for extension) Location: London/Hybrid (3 days per week on site) Rate: A highly competitive salary is available for suitable candidates Role Profile This role focus on the development and support of systems responsible ...

Description Senior Software Developer- Must have current SC Clearance. This role is responsible for the design, development, delivery, and ongoing improvement of soft-ware solutions within a secure, government-focused environment. The successful candidate will contribute to building resilient, scalable, and user-centred services, ensuring compliance with … technical leadership, collaboration within multidisciplinary teams, and ownership of both development and live service performance. Key Responsibilities• Lead the design and delivery of scalable software solutions• Translate user needs into technical outcomes• Build secure, test-driven, high-quality code• Support and maintain live services (performance & stability)• Collaborate with multidisciplinary ...

Excellent opportunity for a Senior Software Developer to play a key role in architecting, developing, and enhancing our clients in-house trading and research systems. This is an opportunity to work on greenfield projects, influence architectural decisions, and directly impact systems that support real-world trading strategies. … senior member of the team, you will contribute both technically and strategically, helping shape development standards, performance optimisation, and system scalability. You will primarily work within a C# .NET SQL Server ASP.NET ecosystem, developing high-performance, reliable, and maintainable applications. Key Responsibilities Design, develop, and maintain high-performance applications ...

Excellent opportunity for a Senior Software Developer to play a key role in architecting, developing, and enhancing our clients in-house trading and research systems. This is an opportunity to work on greenfield projects, influence architectural decisions, and directly impact systems that support real-world trading strategies. … senior member of the team, you will contribute both technically and strategically, helping shape development standards, performance optimisation, and system scalability. You will primarily work within a C# .NET SQL Server ASP.NET ecosystem, developing high-performance, reliable, and maintainable applications. Key Responsibilities Design, develop, and maintain high-performance applications ...

Description Excellent opportunity for a Senior Software Developer to play a key role in architecting, developing, and enhancing our clients in-house trading and research systems. This is an opportunity to work on greenfield projects, influence architectural decisions, and directly impact systems that support real-world trading … strategies. As a senior member of the team, you will contribute both technically and strategically, helping shape development standards, performance optimisation, and system scalability. You will primarily work within a C#/.NET/SQL Server/ASP.NET ecosystem, developing high-performance, reliable, and maintainable applications. Key Responsibilities Design ...

reach and stability of a global financial services business. To learn more, visit Payments.corpay.com/cross-border. Role Overview: We are looking for a Senior Full Stack Software Developer to help evolve the platforms that power Corpay Cross-Borders international payments and foreign exchange capabilities. This … hands-on engineering role suited to someone who enjoys solving complex business-critical problems, improving established systems, and delivering secure, scalable software in a financial technology environment. You will work closely with product, QA, business stakeholders, and other engineers to design, build, test, and maintain applications that support real ...

Senior Software Developers/Engineers with Python, Terraform and Go Our Client is looking to recruit brilliant Software Developers/Engineers with upwards of 7 to 10 years solid proven track record of developing complex applications with Python coupled with Machine Learning and ideally Go. … looking to recruit initially 2 excellent Software Engineers to work with an existing team of 4 software developers on a very large strategic consulting engagement. Must be 100% trustworthy with real integrity – this is a highly sensitive project. Key skills Python Machine Learning Terraform Go programming language Ability ...

About Corpay Cross-Boarder: Corpay Cross-Border helps businesses move money globally, manage currency risk, and streamline international payments. Our technology supports customers operating across markets, currencies, and regulatory environments, where reliability, security, and scale ...