Java Technical Lead

KUBO; Polska; Remote; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Private medical care

Life insurance

Sports card

Job summary

KUBO is seeking 4 Senior Java Developers, including one Tech Lead, to build integrations for bank deposits and withdrawals. You will connect banks with an existing payments platform and back-office systems.

The platform runs in production and you will add new integrations on a 6‑month project, 100% remote from anywhere in Poland, starting January 2027. The role demands strong Java expertise, microservices experience, and prior Tech Lead responsibilities.

Qualifications

• Strong Java expertise and commercial experience at Senior level.
• Experience leading a development team on complex banking integrations.
• Knowledge of microservices architecture and design patterns.
• Fluent English and Polish at C1 level.

Responsibilities

• Act as Tech Lead and coordinate the dev team for banking integrations.
• Lead technical discussions with international banks and external providers.
• Analyse banks' technical documentation and extract integration requirements.
• Prepare technical designs for integrations and architecture choices.
• Make technical decisions and own the integration solution design.
• Coordinate development activities and ensure timely delivery across the team.
• Support the team in resolving technical challenges and edge cases.
• Oversee testing and production readiness of integrations.
• Ensure proper handling of data from banks: validation, normalization, edge-case management.
• Collaborate with Customer Support and other areas to meet market/regulatory needs.
• Document technical aspects and enable knowledge transfer after each integration.
• Demonstrate prior Tech Lead experience and external partner coordination.
• Translate vendor documentation into concrete technical solutions.

Skills

Java

Tech Lead

Microservices

English (C1)

Polish (C1)

Job description

We are looking for 4 Senior Java Developers, including one Tech Lead, to build integrations for bank deposits and withdrawals.

You will connect banks, including international banks, with an existing payments platform and back-office systems. The platform is already running in production - you will add new integrations, not build it from scratch. You will have opportunity to take part in project for 6 months, 100% remote from any place in Poland. If you have experience in financial, banking industry - new opportunities are waiting for you from January 2027!

Key responsibilities

• Acting as a Tech Lead and coordinating the work of the development team responsible for banking integrations.
• Leading technical discussions with international banks and external integration providers.
• Analysing banks' technical documentation and identifying requirements for individual integrations.
• Preparing technical designs for integrations, taking into account the specific characteristics of individual banks and their communication models.
• Making technical decisions regarding integration implementation based on the existing architecture.
• Coordinating development activities and ensuring efficient delivery across the team.
• Supporting the team in resolving technical challenges and handling non-standard integration scenarios.
• Overseeing implementation quality, testing, and production readiness.
• Ensuring proper handling of data received from banks, including validation, normalisation, and edge-case management.
• Collaborating with other business areas, including Customer Support, to address operational and regulatory requirements in individual markets.
• Ensuring appropriate technical documentation and knowledge transfer to the teams responsible for maintaining the solution after each integration is completed.
• Previous experience as a Tech Lead, including coordinating the work of a development team.
• Experience leading technical discussions with external partners, vendors, or clients.
• Ability to make technical decisions and take ownership of integration solution design.
• Strong Java expertise and commercial experience at Senior Java Developer level.
• Experience in designing and developing systems based on microservices architecture.
• Ability to independently analyse technical documentation provided by vendors and translate requirements into concrete technical and architectural solutions.
• English proficiency at C1 level, Polish min. C1
• Ability to join the project in January 2027 (must have)

Conditions

• Form of cooperation: B2B contract
• Project for 6 months
• Start: January 2027
• Benefits: Private medical care, Life insurance, Sports card
• Phone call with a KUBO Recruiter (20–30 minutes).