Senior Software Engineer (Node.js)

TL;DR

Senior Software Engineer (Node.js/TypeScript): Designing and developing high-scale, event-driven backend systems for public data infrastructure with an accent on system design, scalability, and AWS integration. Focus on building a brand-new product from the ground up and implementing high-performance APIs to handle intensive workloads.

Location: Hybrid in Krakow, Poland

Company

hirify.global builds large-scale public data infrastructure providing pipelines for cybersecurity, public safety, and digital risk protection.

What you will do

• Develop and maintain backend services using Node.js and TypeScript.
• Design and implement high-performance APIs and event-driven architectures on AWS.
• Build scalable, reliable systems capable of handling intensive workloads.
• Lead feature development end-to-end, from initial design to production.
• Collaborate closely with product and cross-functional engineering teams.
• Mentor teammates and promote best practices in code quality, testing, and security.

Requirements

• 5+ years of hands-on experience with Node.js and TypeScript in production.
• Strong experience with AWS services (e.g., Lambda, ECS, S3, RDS).
• Deep understanding of system design, scalability, and event-driven architecture.
• Experience with modern testing frameworks (Vitest, Jest, Playwright).
• Excellent communication skills in English.
• Must be located in or able to work from Krakow, Poland (Hybrid).

Nice to have

• Experience with Go.
• Background in distributed systems or event-driven platforms.
• Experience working with LLMs or modern AI tooling.
• Knowledge of React.
• Experience with SQL/NoSQL databases and Docker/Kubernetes.

Culture & Benefits

• Work at a fully bootstrapped, profitable, and fast-growing company.
• Opportunity to shape the architecture of a new product from the ground up.
• Flexible contract options: B2B or Employment (UoP).
• Benefit package discussed individually during the interview process.