About this role
Job title: Senior Software Engineer
About the Role
The Senior Software Engineer at Paytronix's Access group is a highly technical, hands-on role focused on designing, building, and delivering production software. This role is intended for someone who wants to remain a deep technical expert with influence over architecture, engineering standards, and technical direction, rather than a pathway into management.
What You'll Do
- Design, develop, and deliver high-quality, scalable software across backend, frontend, APIs, and integrations, ensuring reliability, performance, security, and maintainability.
- Lead technical architecture and engineering best practices, driving code quality, CI/CD, testing, observability, incident resolution, and continuous improvement.
- Mentor and develop engineers through code reviews, technical guidance, knowledge sharing, and active participation in hiring to maintain a high engineering standard.
- Research and adopt modern technologies and AI-driven development practices, proactively addressing technical debt and contributing to long-term platform strategy.
- Align with production KPIs to deliver reliable software that meets SLAs, improve deployment frequency, reduce lead time, and ensure rapid incident resolution.
What We're Looking For
- Extensive software engineering experience delivering production systems, with expertise in clean code, automated testing, CI/CD, RESTful APIs, SQL, cloud databases, containerization (Docker/Kubernetes), and architectural design.
- Strong proficiency in modern technologies including C#/.NET, Java, TypeScript/React, and cloud platforms (Azure preferred, with exposure to AWS).
- Experience leveraging AI tools (e.g., GitHub Copilot, Claude Code, Cursor, Devin) throughout the software development lifecycle to improve coding, testing, documentation, troubleshooting, and team productivity.
- Solid understanding of secure software development practices, including authentication, authorization, encryption, secrets management, PII protection, and GDPR/UK GDPR compliance.
Nice to Have
- Familiarity with AI-enabled development tooling and practices to further boost engineering velocity.