Senior Software Engineer (.NET and React.js)

Build the Future of Enterprise Software with Us We’re a team of passionate, high-caliber engineers and professionals from diverse backgrounds, united by a mission: to reinvent the modern workplace with technology that is both powerful and elegant. We believe great teams are built on talent, collaboration, and shared purpose—not just resumes. If you thrive on solving complex engineering challenges, building rock-solid software, and working with smart, driven people, you might be exactly who we’re looking for.

Responsibilities:

• Collaborate with Brilliant Engineers: Work with professionals who value clean architecture, maintainable code, and long-term scalability.
• Innovate with Modern Cloud Technologies: Focus on performance, resilience, and security at scale.
• Commit to Quality: Build testable, high-quality software in an environment that prizes automation and best practices.
• Solve Complex Challenges: Tackle problems at the intersection of security, infrastructure, and user experience.
• Hybrid Work Environment: Enjoy the best of both worlds with our flexible, hybrid model based in a vibrant office in the Warsaw city center. If you're excited by the idea of shaping the future of enterprise work—where security and productivity go hand in hand—we’d love to hear from you.

• Deep understanding of software engineering fundamentals including test automation, dependency injection, software architecture, and SOLID principles. • Ability to master and apply key engineering concepts regardless of programming language.

Minimum of 7 years delivering robust, scalable software in complex environments.

• Previous tenure in one or two startups working at high pace, developing significant products at scale.
• Proven track record in leading features and projects end-to-end.
• Experience mentoring junior engineers and leading by example in collaborative team settings.
• Strong analytical skills to break down complex problems and architect effective, efficient solutions.
• Comfortable with evolving technologies and agile development practices.

Technologies

• Hands-on experience with .NET Core, React, and TypeScript (mandatory).

Background

• Strong preference for candidates with experience in well-regarded software companies that provide solutions to startups (especially in Poland), or other organizations building complex, large-scale products.
• Candidates coming from recognized and reputable startups/companies in the market.

Personal Qualities

• High motivation and eagerness to develop and learn continuously.
• Must hold a valid work visa.