Principal Software Development Engineer

Tesco Technology is a technology team of over 4,000 experts across 5 countries (UK, Poland, Hungary, Czech Republic, and India) focused on solving problems at a global scale. The teams take strategic ownership of architecture, design, testing, deployment, infrastructure, operation, and security of systems in their domain to ensure agile, smooth, and safe operations with maximum business impact.

• 10+ years in software development with proven experience in a senior or principal engineering role
• Deep expertise in one or more programming languages (e.g., TypeScript/React, Java)
• Strong understanding of microservices architecture, RESTful APIs, event-driven systems, and distributed computing
• Experience working with cloud platforms (preferably Azure), Docker, Kubernetes
• Hands-on knowledge of CI/CD pipelines, test automation, and infrastructure-as-code
• Proven experience designing and building scalable mobile and web applications with a focus on usability, performance, and responsiveness
• Demonstrated ability to operate effectively in large, enterprise environments
• Passion for building technology that improves the colleague experience
• Strong communication and stakeholder engagement skills
• Strategic thinker with a pragmatic, delivery-focused mindset
• Comfortable navigating ambiguity and driving change across complex environments

Nice to have:

• Familiarity with enterprise HR or colleague-focused systems (e.g., Oracle HCM, Zellis)

• Technical Leadership: Drive architecture and design across multiple systems, ensuring scalable, secure, and maintainable software solutions.
• Cross-functional Collaboration: Partner with product managers, architects, and business stakeholders to understand colleague needs and shape technology roadmaps.
• Innovation: Introduce new tools, frameworks, and approaches that enhance development speed, quality, and performance.
• Team Empowerment: Mentor and guide software engineers and tech leads across squads; promote engineering best practices and continuous improvement.
• System Ownership: Lead the evolution of core colleague platforms, including integrations with internal services and third-party systems.
• Operational Excellence: Ensure high system availability, performance, and data integrity through robust DevOps practices and incident management.