Senior Fullstack Developer

TL;DR

Senior Fullstack Engineer: Building and scaling backend and frontend systems for mobility services with an accent on distributed architectures, real-time pricing, and demand prediction algorithms. Focus on designing complex systems, optimizing performance, and collaborating across autonomous teams to impact millions of global users.

Location: Must be based in or be able to work from the office in Warsaw, Poland (Hybrid: min. 2 days/week in office)

Company

hirify.global is a leading global technology company focused on mobility, serving over 200 million customers across 50+ countries with a mission to make cities more people-centric.

What you will do

• Architect, design, and deploy scalable backend services and frontend applications.
• Write high-quality code primarily using TypeScript and Node.js.
• Solve complex technical challenges including demand prediction, routing, and fraud detection.
• Contribute to the product development roadmap and participate in architectural decision-making.
• Collaborate with cross-functional teams and conduct rigorous code reviews.
• Proactively identify and resolve technical debt and performance bottlenecks.

Requirements

• 4+ years of professional software development experience.
• Strong command of JavaScript and at least one object-oriented language like Node.js, C++, or Java.
• Experience with major frontend frameworks and API design.
• Solid understanding of algorithms, data structures, and SQL databases.
• University degree in Computer Science, Mathematics, or a related technical field.
• Proficiency in English with strong communication skills.

Culture & Benefits

• Competitive salary and stock option package.
• Supportive environment emphasizing physical and mental health through wellness perks.
• Opportunities for professional growth within a fast-moving, autonomous team structure.
• In-office collaboration fosters strong team connections and teamwork.
• Inclusive and diverse workplace culture focused on sustainable city mobility.