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September 29, 2026

Senior Back-End Software Engineer (AI Experience)

Senior • Remote

21,884 - 30,638 PLN/yr

Warsaw, Poland

Quick Facts

  • Role: Senior Back-End Software Engineer (AI Experience)

  • Level: Senior (5+ years); back-end web app experience (2+ years)

  • Work mode: Remote (within the hired country: Poland/Romania/Bulgaria)

  • Language: Fluent English required

Description

You will develop and improve back-end features across multiple products, starting with an AI-powered document verification product for shipping and trade documentation. You’ll partner with a Product Manager and a Designer to shape solutions, then implement, test, review, deploy via CI/CD, and support production readiness including incident response. You’ll also produce technical documentation and architecture decision records (ADRs) for complex decisions.

Responsibilities

  • Build and evolve web-application back-end (and sometimes front-end) across multiple products

  • Collaborate with PM/Designer to define the solution direction, not only the implementation

  • Participate in technical design discussions and cross-team alignment

  • Deliver complex automation/digitalization solutions for supply-chain operations

  • Write technical documentation and ADRs as needed

  • Write tests, fix defects, and conduct code reviews

  • Deliver code to production using CI/CD and strong DevOps practices

  • Support monitoring/observability and respond to incidents

  • Occasionally assist other product teams with challenging cases or tight deadlines

Requirements

  • 5+ years of software engineering experience

  • 2+ years building back-end for web apps using a common web framework

  • Strong experience with a high-level strongly typed programming language

  • Familiarity with back-end architecture, performance, and security best practices

  • Strong testing mindset and experience with modern testing frameworks

  • Experience with CI/CD and DevOps best practices to build, test, and ship fast

  • Experience with monitoring and observability tools

  • Advanced skills using AI coding agents

Benefits

  • Entrepreneurial environment with immediate responsibility from day 1

  • Flexible hours and remote work in the hired country

  • Agile approach without rigid “cargo cult” processes

  • Unlimited growth opportunities and personalized career paths

  • Generous learning & development (L&D) budget

  • International, collaborative team with a strong engineering culture

  • Innovative projects transforming supply-chain operations with exposure to emerging technologies

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