Senior Backend Engineer (Fintech)

TL;DR

Senior Backend Engineer (Fintech): Designing and developing robust, scalable microservices for a digital asset platform with an accent on data modeling, processing, and high-volume transaction handling. Focus on building resilient systems for global financial institutions, optimizing backend architecture, and ensuring seamless blockchain integrations.

Location: Warsaw, Poland

Company

hirify.global provides a secure platform and network for companies to manage, interact, and work with digital assets and cryptocurrencies.

What you will do

• Architect and implement highly scalable microservices to handle large volumes of concurrent transactions.
• Take ownership of end-to-end feature development across the backend stack.
• Collaborate cross-functionally with Product Managers, Designers, and other Engineering teams to execute complex projects.
• Optimize and refactor existing production systems to improve performance and reduce technical debt.
• Ensure high availability, low latency, and robust security across all asset management features.

Requirements

• 5+ years of experience as a Backend or Fullstack Engineer.
• Proficiency in Node.js and TypeScript.
• Excellent knowledge of common web and SaaS software architectures.
• Strong understanding of infrastructure, CI/CD, cloud platforms, and container orchestration.
• Security-oriented mindset when designing software systems.
• Bachelor of Science or equivalent degree/experience.

Nice to have

• Experience with blockchain or cryptocurrency technologies.
• Proven track record in full product life cycle development for SaaS products.

Culture & Benefits

• Focus on fostering a diverse and inclusive workforce.
• Opportunity to work with globally-recognized brands and financial institutions.
• Commitment to continuous improvement and operational excellence.
• Collaboration in a project-leader-oriented engineering environment.