Senior Fullstack Software Development Engineer (Fintech)

TL;DR

Senior Fullstack Software Development Engineer (TypeScript/Go/Java): Building and maintaining the foundational mobile and web platform for hirify.global with an accent on architecture, CI/CD infrastructure, and shared component libraries. Focus on designing scalable API contracts, optimizing the web release lifecycle, and enabling product teams through robust developer tooling.

Location: Hybrid in Krakow, Poland (at least 50% in-office presence required)

Salary: zł320,000 – zł360,000 per annum

Company

hirify.global is a global fintech company providing secure and reliable ways for customers to move and manage their money across borders.

What you will do

• Own the architecture and evolution of the mobile and web platforms used by 10+ product teams.
• Design and maintain CI/CD pipelines, feature flagging, and safe rollout infrastructure from design to app store delivery.
• Lead the shared component library, design system, and localization engine in partnership with UX.
• Provide architectural reviews, documentation, and tooling to improve developer velocity and stay current on React Native and AI-assisted development.
• Mentor junior engineers and ensure adherence to quality and regulatory compliance standards.

Requirements

• BS in Computer Science or equivalent experience.
• 7+ years of experience building scalable products, ideally in platform or infrastructure roles.
• Proficiency in TypeScript and at least one of Go, Java, or Kotlin.
• Proven experience owning the full web release lifecycle and CI/CD pipeline design.
• Expertise in designing data layers using GraphQL, BFF patterns, or similar API contracts to decouple frontends from backends.
• Experience building and scaling design systems adopted by multiple internal product teams.

Nice to have

• Experience with React Native, including native bridge, performance constraints, and production-level debugging.

Culture & Benefits

• Equity in the company (RSUs) and Employee Stock Purchase Plan (ESPP).
• 26 days paid holiday plus additional company days off.
• Comprehensive health and dental coverage (LUX MED VIP) for employee and family.
• Life and travel insurance, along with a mental health program.
• Professional growth support through a dedicated education budget.
• Practical perks including commute allowance, Pluxee Lunch Card, and Multisport Card.