Full Stack Developer

About the Role

As a Lead Software Engineer in Platform Product Development, you will leverage your expertise in .NET technologies, Angular frontend development, and the Azure cloud ecosystem to deliver secure, scalable, and high‑performing solutions. Working with a scrum team and product owners, you will focus on building clean code, design, automation, and quality.

Responsibilities

• Apply your talents to all stages of the development lifecycle, including review of user stories, development, design, code reviews and automated testing.
• Work closely with product owners and other stakeholders to understand project requirements and provide technical insights.
• Establish engineering excellence within your team and continuously improve it.
• Develop new functionalities, refactor existing code, research tools and frameworks, and support future innovations.
• Collaborate with your scrum team to achieve the definition of done within each sprint.

Qualifications

• Over 4 years of hands‑on experience with JavaScript, TypeScript, HTML, CSS/SASS, Angular framework, and Node.js.
• Over 2 years of hands‑on experience with .NET technologies, focusing on C# and Microsoft .NET.
• Familiarity with front‑end build tools (Webpack, NX, Angular CLI).
• Experience building responsive, accessible, and mobile‑friendly web applications.
• Solid understanding of REST APIs, state management (NGRX), and browser performance tuning.
• Knowledge of design patterns and principles (OOP, SOLID) and proven ability to use them.
• Knowledge of cloud services, infrastructure, pipelines, and architecture – preferably on Azure.
• Practical knowledge of TDD, BDD and software development practices.
• Hands‑on experience with peer reviews and code quality tools like SonarQube.
• Experience in CI/CD and understanding of DevOps principles.
• Strong fundamentals in software testing tools, techniques, and methodologies.
• Strong problem‑solving skills and the ability to make sound technical decisions.

Benefits

• Flexible working hours and hybrid model – 2 days in the office, 3 days remote.
• Modern office with quiet zones and ergonomic workstations.
• Base salary with annual bonus structure.
• Holiday allowance upon a 2‑week vacation.
• Occasional remote work across Poland and international options available.
• Employer‑paid Medicover Platinum healthcare package (employee‑paid family upgrade available).
• Multisport card with 75% employer contribution.
• Unum group life insurance (employee‑paid upgrade available).
• Medicover travel insurance for private trips and global business travel insurance.
• Possibility to join Deutsche Börse Group Share Plan (eligible after 1 year).
• Copyrights program for certain roles.
• Professional training and courses provided.
• Polish language classes for foreign employees; German and English classes based on business needs.
• Integration events, volunteering initiatives and employee‑led clubs.