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Backend Software Engineer - AI Finance Agent

bjakcareerPolandEngineering
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Salary
Not listed
Job type
Full-time
Work mode
Remote
Experience
Mid · 3+ yrs
Posted
1 Oct 2026
Status
Open · checked 8d ago

About this role

This position suits backend engineers based in Poland with three or more years of experience who want to develop core systems for an artificial intelligence finance platform. The job is located in Poland on a remote basis and involves creating scalable infrastructure and financial product applications.

Role Overview

BJAK is hiring a Backend Software Engineer to construct the core architecture behind the artificial intelligence finance agent and neobank application. The position involves designing reliable infrastructure that scales across multiple markets and supports millions of users in managing their money.

Key Responsibilities

Construct backend services, APIs, and workflows for the artificial intelligence neobank application.
Support various product lines including insurance, payments, wallets, savings, investments, travel, and financial services.
Design dependable systems for user accounts, transactions, partner integrations, reconciliation, notifications, and operations.
Collaborate alongside product and mobile teams to deliver customer-facing journeys rapidly.
Connect with external financial institutions, payment gateways, insurers, and data providers.
Enhance system reliability, observability, security, and performance.
Construct practical, auditable systems suitable for regulated financial products.

Requirements

Minimum of three years of professional backend engineering experience.
Solid fundamentals encompassing APIs, databases, system design, and production debugging.
Background in developing scalable services and connecting third-party systems.
Understanding of security, reliability, data quality, and operational edge cases.
Ability to balance development speed, quality, and technical risk.
Capacity to collaborate effectively with product, mobile, operations, and business units.
Proficiency in English for communication across global teams.
Current residency in Poland.

Nice to Have

Background working in fintech, payments, insurance, lending, banking, or other regulated product environments.

Skills and Tools

APIs
Databases
System Design
Production Debugging
Third-party Integrations

About the Company

BJAK operates as an insurance and financial platform founded in 2019 that helps individuals plan, save, and grow their money. The organization employs more than twenty nationalities distributed globally across offices and remote arrangements.

How to Apply

Interested candidates should submit their application directly on the official company careers page.

Questions candidates ask

Where is the position located?

The role is remote, but applicants must reside in Poland.

How many years of experience are required?

Candidates must have three or more years of backend engineering experience.

What language is used in the workplace?

English serves as the primary working language, and strong communication skills in English are required.

What is the interview process like?

The interview process includes an online assessment or practical task, a technical interview, and a CEO or final round.

Ready to apply?

The application is on the official bjakcareer careers page.

Apply on company site