Senior Backend Engineer (Node.js)

TL;DR

Senior Backend Engineer (Node.js/TypeScript): Architecting and deploying backend systems for a global mobility platform with an accent on distributed high-volume systems and API design. Focus on implementing complex algorithms for demand prediction, real-time pricing, and routing.

Location: Hybrid in Warsaw, Poland (minimum 12 office days per month)

Company

Bolt is a global mobility platform providing ride-hailing, food delivery, and micromobility services across 50 countries.

What you will do

• Architect, design, develop, and deploy scalable backend systems using Node.js and TypeScript.
• Build complex algorithms for demand prediction, real-time pricing, routing, and fraud detection.
• Collaborate with internal stakeholders to design high-performance APIs.
• Lead features and initiatives from conceptualization to positive execution.
• Contribute to the product development roadmap and promote engineering best practices.

Requirements

• Expertise in microservice architecture and API design.
• Experience with distributed high-volume systems.
• Proficiency in writing clean, maintainable, and testable code.
• Experience with cloud platforms (AWS, Azure, or GCP) and relational databases.
• Must be based in or be able to work from Warsaw, Poland.

Nice to have

• Familiarity with real-time and asynchronous systems.
• Experience with highly available infrastructure.

Culture & Benefits

• Rewarding salary and stock options.
• Wellness perks for physical and mental health.
• 1-month paid sabbatical after 5 years of service.
• Hybrid work model balancing flexibility and in-person collaboration.
• Annual company events and team gatherings.