Senior Kotlin Engineer (Fintech)

TL;DR

Senior Kotlin Engineer (Fintech): Developing reliable, scalable Kotlin-based backend services and APIs in a cloud-native environment with an accent on scalable data extraction and AI-driven workflows. Focus on designing, testing, and maintaining business-critical applications, collaborating in cross-functional teams, and ensuring high code quality.

Location: Work from the European Union region with a valid work permit and active VAT status in the EU VIES registry required

Salary: 17,100–28,200 PLN net + VAT (B2B)

Company

hirify.global is a global tech company with a strong presence in Poland and Eastern Europe, delivering cloud, data, and software solutions across fintech, e-commerce, aviation, logistics, and media sectors.

What you will do

• Develop reliable, scalable software powering business-critical applications.
• Design, implement, test, document, and maintain APIs and system integrations.
• Deliver new features within Kotlin-based core services in cross-functional teams.
• Maintain high quality standards through automated testing, pair programming, and code reviews.
• Translate user needs into solid technical solutions.

Requirements

• Work from the European Union region with a valid work permit and active VAT status in the EU VIES registry.
• Strong commercial experience building production systems in Kotlin and Python.
• Experience with GCP cloud infrastructure, infrastructure as code, logging, and monitoring tools.
• Familiarity with continuous integration/delivery, build tools (Maven), and version control (Git/Github).
• Hands-on experience with Kubernetes in production-like setups.
• Upper-intermediate English proficiency.

Nice to have

• Previous experience in financial markets, fintech, or insurtech.

Culture & Benefits

• Development budgets up to 6,800 PLN and funding for certifications (AWS, Azure, ISTQB, PSM).
• Access to Udemy, O'Reilly, events, conferences, and internal training.
• Private medical healthcare and mental health support.
• MultiSport card subsidy.
• Flexible working hours and contract options (B2B or permanent).
• Referral program and welcome gift.

Hiring process

• CV review.
• HR call.
• Technical interview.
• Client interview.
• Hiring manager interview.
• Decision.