---
title: "Lead Software Engineer (Java) at ARQ – Krakow, Poland"
canonical: "https://www.metaintro.com/job/lead-software-engineer-java-at-arq-ad2e289d-ca53-5892-8068-3238b4e7dd9e"
language: "en"
author: "Metaintro"
---

[![ARQ logo](/api/company-logo?url=https%3A%2F%2Farqfinance.com%2Ffavicon.svg&sig=RF-iOrYTMPcPHOvziqP3vf8i3aj7YJ25Z_dxlkQVyZU)](/company/arq)[ARQ](/company/arq)
# Lead Software Engineer (Java) at ARQ

Department: Engineering

LanguageEnglish
Polski

**Setup**
: Hybrid

**Location**
: Krakow, Lesser Poland Voivodeship

**Type**
: Full-time

**Level**
: not_specified

**Posted**
: Oct 5, 2026

## Description

ARQ is hiring a Backend Engineer to design, develop, and maintain scalable and secure backend systems for its fintech products. The role focuses on greenfield development and improving existing systems, including REST APIs, microservices, card payments, treasury management, transaction booking, and crypto liquidity. The technology stack is primarily Java 25, Postgres, and Spring Boot, with an emphasis on clean code, TDD, DDD, and continuous integration and delivery. Candidates need backend development experience, fluency in Java, a bachelor's degree or higher in a relevant discipline, strong communication skills, and experience building complex products for hypergrowth startups. The position offers competitive salary, stock options, a discretionary performance bonus, and an office policy of three to four days per week in the office.

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