Senior Software Developer

Overview

Senior Software Developer - Basingstoke

£55,000-£60,000 + 5% performance bonus

Must have lived in Europe for the last 5 years (security clearance requirement)

An excellent opportunity for a highly skilled Senior Software Developer to design and build secure, scalable, high‑quality software solutions across both front‑end and back‑end technologies. You will combine hands‑on coding with technical leadership, mentor junior developers, and work in an Agile environment to deliver innovative, customer‑facing products. Occasional international travel may be required.

• Lead the analysis, design, development, and delivery of new software projects or major components of existing solutions.
• Collaborate with cross‑functional teams to deliver robust, secure, and scalable systems.
• Perform day‑to‑day programming, unit testing, bug fixing, documentation, and provide 3rd‑line support when required.
• Deliver expert technical guidance to internal stakeholders and external customers.
• Work confidently within unfamiliar platforms or technologies when needed.
• Mentor and coach junior developers to support their growth.

• 7+ years full‑stack development experience (front‑end & back‑end).
• Deep understanding and practical application of SOLID principles.
• Advanced experience with C#, .NET Framework, .NET Core, and modern .NET versions.
• Strong hands‑on experience with Angular 5+ and Type Script.
• Flexibility to learn and work with new programming languages or technologies as required.
• Strong experience with MSSQL (other databases like Oracle, MySQL, SQLite, Postgre
  
  SQL are a bonus).
• Hands‑on experience with Azure Dev Ops (source control, CI/CD pipelines, build & release processes).
• Experience with Octopus Deploy or similar automated deployment tools.
• Confident presenting technical concepts to small and large groups.
• Experienced working in Agile squads, with strong understanding of Agile principles.
• Understanding of Secure Software Development Lifecycle (SSDLC).

• Hardware integration into software layers.
• Java development and modern Java frameworks.
• Experience using AI‑assisted development tools to increase productivity and accuracy.
• Dev Ops automation for configuration, deployment, and maintenance.
• Test‑Driven Development (TDD).
• Microservices and containerisation (Docker, Kubernetes).
• PKI infrastructure and security concepts.
• Broad knowledge of software testing methodologies.

• Degree in Computer Science, Computer Engineering, or related field.
• Experience delivering customer‑facing software products (highly desirable).
• Strong, confident communication skills with the ability to work directly with customers during troubleshooting or solution design.

• Strong verbal and written English.
• Comfortable working with cross‑regional teams.
• Able to read and interpret technical documentation, standards, and specifications.

• Trustworthy, open, and humble.
• Confident, well‑organised, and solution‑focused.
• Energetic, self‑motivated, independent, and an excellent team player.
• Highly analytical with strong troubleshooting skills.
• Passionate about new technologies and quick to learn.

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