Backend Developer (Poland)

Overview

Bjak is an innovative company on a mission to offer smarter methods for people to plan, save, and grow their money. Established in 2019, Bjak has rapidly developed into a leading, mobile-first insurance platform in Southeast Asia. Due to its success, the company is now venturing into broader aspects of personal finance—including spending, saving, investing, and more. Bjak is inviting talented individuals to join their diverse global team, which includes members from over 20 nationalities.

The Role

Bjak is seeking a Backend Developer to handle the creation of the core systems behind their AI Neobank app. This role is essential for engineers who excel in building reliable APIs, workflows, and robust financial product infrastructure that can scale across various markets and support millions of users.

Key Responsibilities:

  • Develop backend services and APIs for various functionalities like onboarding, accounts, payments, transfers, and more.
  • Design dependable systems that facilitate real customer transactions and various operational workflows.
  • Integrate with internal frameworks, financial partners, payment solutions, AI services, and third-party platforms.
  • Ensure backend quality concerning reliability, security, latency, observability, and incident management.
  • Collaborate effectively with product, frontend, mobile, and AI teams to accelerate the launch of new features.
  • Enhance existing systems by streamlining workflows and automating repetitive processes.

Required Skills

The ideal candidate should have:

  • Strong backend engineering experience in production environments.
  • A good grasp of APIs, databases, authentication, authorization, and integrations.
  • Experience building services that cater to real customers or are used in substantive operations at scale.
  • A strong mindset focused on debugging, reliability, security, and maintaining data quality.
  • The ability to balance speed, accuracy, scalability, and maintainability in their solutions.
  • Familiarity with fintech, payments, banking, KYC (Know Your Customer), and risk management is preferred but not required if the fundamental skills are strong.

The Ideal Candidate Won't Be

  • Someone who prefers isolated backend tasks.
  • Someone who overlooks security and data consistency.
  • A developer resistant to adapting to quickly changing product requirements.
  • An individual who cannot demonstrate ownership over impact in past projects.

Work Environment and Language

This position is fully remote, but candidates must already be located in Poland to apply. Bjak maintains a policy of using English as the primary working language among their global teams, so strong communication skills in English are essential.

Interview Process

Bjak’s hiring process is designed for efficiency:

  1. Candidates will undergo an online assessment or practical task.
  2. A technical interview will follow.
  3. The final interview with the CEO will be conducted for top candidates.

For promising applicants, Bjak aims to complete the hiring process swiftly—within a week of starting the interview process. Candidates who are able to submit their assessments quickly will be prioritized in this fast-moving process.

In summary, Bjak is looking for dedicated and talented individuals who are passionate about building next-generation products in finance. This position is perfect for those ready to embrace challenges and help in revolutionizing how financial services operate for everyone. If you are an innovative backend developer seeking to make a significant impact in the fintech sector, this opportunity may be for you.



This job offer was originally published on himalayas.app

Bjak

Poland

Software development

Full-time

July 19, 2026

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