Principal Software Development Engineer

About the Opportunity

Our client, a global technology-driven organization, is looking for an experienced Principal Software Developer to join their team responsible for solutions supporting employee-related business functions.

In this role, you will play a key part in shaping and delivering strategic platforms used across areas such as HR, Payroll, Learning & Development, and Workforce Management. You will combine deep technical expertise with technical leadership, helping to build scalable, secure, and user-friendly solutions that support hundreds of thousands of employees worldwide.

Working Model

This is a hybrid position requiring approximately 3 days per week onsite in Kraków, with the remaining time spent working remotely.

Key Responsibilities

Technical Leadership

• Define and drive architectural direction across multiple products and services.
• Make strategic technology decisions that ensure scalability, reliability, security, and maintainability.
• Establish and promote engineering best practices across teams.

Collaboration & Stakeholder Management

• Partner closely with Product Managers, Architects, and business stakeholders to understand priorities and translate them into technical solutions.
• Contribute to technology roadmaps and long-term platform strategy.

Mentorship & Engineering Excellence

• Coach and mentor Software Engineers and Tech Leads across different teams.
• Support a culture of continuous improvement, innovation, and knowledge sharing.
• Help teams navigate complex technical challenges and architectural decisions.

Platform Ownership

• Lead the evolution of business-critical systems and applications.
• Oversee integrations with internal platforms and external vendors.
• Ensure high levels of performance, availability, and operational stability.

DevOps & Operational Excellence

• Promote modern DevOps practices and automation.
• Support incident management, monitoring, and system resilience initiatives.
• Drive improvements related to software quality, deployment processes, and observability.

Requirements

Technical Background

• 10+ years of professional software development experience.
• Previous experience in a Senior, Lead, Principal, or comparable engineering role.
• Strong expertise in at least one modern programming language, such as Java or TypeScript/React.
• Solid understanding of distributed systems, microservices architecture, event-driven solutions, and REST APIs.
• Hands-on experience with cloud technologies, preferably Microsoft Azure.
• Knowledge of Docker, Kubernetes, CI/CD pipelines, test automation, and Infrastructure as Code.
• Proven track record of designing and building scalable web and mobile applications.
• Experience working within complex enterprise environments.

Nice to Have

• Exposure to HR, workforce management, payroll, or employee-focused platforms.
• Experience working with solutions such as Oracle HCM, Zellis, or similar enterprise systems.

Personal Attributes

• Passion for creating technology that improves the employee experience.
• Excellent communication and stakeholder management skills.
• Ability to balance strategic thinking with a practical, delivery-focused approach.
• Comfortable operating in evolving and complex environments.

What the Client Offers

• Annual performance bonus of up to 45% of base salary.
• Car allowance.
• Permanent employment contract.
• IP tax benefits.
• Private healthcare package.
• Cafeteria benefits and Multisport card.
• Additional paid leave days beyond the statutory entitlement.
• Access to technical training and online learning platforms.
• Employee referral program.
• Modern equipment, including a MacBook.
• Flexible hybrid working model.