Senior Software Engineer (PHP, C# & .net)

Senior Software Engineer

We are seeking an experienced and motivated Senior Software Engineer to join our Agile development team. In this role, you will design and build high-quality, innovative, and performant SaaS software that complies with coding standards and technical design. You will contribute across the full Software Development Lifecycle (SDLC) — from planning and design through to development, testing, deployment, and maintenance.

Responsibilities

Design, deliver, and maintain new and existing features across the platform.

Collaborate with Engineering Managers, Team Leaders, and fellow engineers to build well-architected enterprise-class solutions.

Work closely with Product Managers, Product Owners, and Infrastructure Engineers to ensure features meet high standards.

Partner with the UX & Design Team to create optimal user experiences.

Contribute to sprint backlogs and Agile ceremonies (planning, stand-ups, retrospectives).

Diagnose, troubleshoot, and resolve software defects.

Provide unit tests to validate development work.

Create documentation for work produced and contribute to technology decisions.

Mentor and coach other engineers to grow their technical skillsets.

Skills and Experience

Essential:

Proven ability to deliver and maintain web-based software using PHP, C#,.NET, TypeScript/JavaScript, HTML, CSS (React experience a plus).

7+ years of professional software development experience, including 5+ years with C#.

3+ years of back-end development experience using Perl and PHP.

Experience with cloud-native technologies (app services, functions, containers, microservices, APIs), ideally on AWS.

Experience with CI/CD pipelines using GitHub Actions, Buildkite, Octopus, Docker, Kubernetes.

Strong knowledge of Git and code review practices.

Working knowledge of cybersecurity principles, including OWASP Top 10 and red/blue team activities.

Exposure to relational databases (Oracle, MySQL, Postgres).

3+ years' experience in Agile methodologies/frameworks (Scrum).

Desirable:

Degree in Computer Science, Engineering, or related field.

AWS or Cloud certifications (e.g., AWS Certified Developer).

Cybersecurity qualifications (e.g., CEH).

Experience with Gherkin and Cucumber for story and success criteria.