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September 3, 2026

Senior Full Stack Developer (Java and React)

Senior • Remote

19,000 - 23,000 PLN/yr

Wrocław, DS, Poland

Technology Stack

Java, Spring Boot, Spring MVC, Spring Data, TypeScript, React, PostgreSQL, HTML5, CSS3

Project Overview

The project focuses on building enterprise-grade solutions that provide advanced reporting, data visualization, and analytics capabilities integrated with widely used collaboration and work management platforms. The product serves a large global user base and continues to evolve with new features aimed at improving productivity, decision making, and user experience.

Position Overview

Join the engineering team as a Senior Full Stack Developer, contributing to backend and frontend development for a mature customer-facing product used by organizations worldwide. Collaborate with product managers, engineers, QA specialists, SRE teams, and other stakeholders to deliver scalable, reliable, high-quality solutions and solve complex technical challenges.

Responsibilities

  • Design, develop, and maintain new features and modules across backend and frontend components
  • Support, enhance, and continuously improve the existing codebase
  • Build deep product knowledge, including integrations, data flows, and ecosystem
  • Investigate and troubleshoot technical issues with support teams to provide end-to-end solutions
  • Collaborate with Product Managers, Software Engineers, QA Engineers, SRE teams, and other stakeholders throughout the development lifecycle
  • Create unit and integration tests to ensure software quality and reliability
  • Participate in peer code reviews and promote engineering best practices
  • Develop and maintain integrations with third-party tools and external systems

Requirements

  • 5+ years of commercial experience in full-stack software development
  • Strong backend expertise with Java and Spring Boot, MVC, and Data
  • Experience designing and implementing APIs
  • Strong knowledge of relational databases, particularly PostgreSQL, including debugging performance and data-related issues
  • Strong understanding of OOP principles, design patterns, and Test-Driven Development (TDD)
  • Hands-on experience building production-grade applications with React, including hooks, component composition, and performance optimization
  • Strong proficiency in TypeScript, including advanced typing and type-safe application design
  • Experience with state-management libraries such as MobX, Redux, or similar solutions
  • Good understanding of modern build tools and frontend tooling, including Vite or Webpack
  • Strong analytical and problem-solving skills for investigating unfamiliar technical challenges
  • High level of ownership and ability to work independently in a remote environment
  • Ability to start tasks with incomplete specifications and refine requirements during implementation
  • Upper-intermediate (B2+) or higher spoken and written English
  • Strong communication skills and ability to collaborate effectively in an international environment

Nice to Have

  • Experience developing applications within the Atlassian ecosystem, such as Atlassian Forge
  • Familiarity with analytics, reporting solutions, or data integration protocols
  • Experience with AWS services, Kubernetes, and CI/CD pipelines
  • Knowledge of performance optimization techniques and secure coding practices
  • Experience supporting customer-facing products and collaborating with support teams

What We Offer

  • Up to 26 business vacation days per year
  • 10 fully paid illness or special days off per year, with no medical papers required, for all contract types
  • Health and life insurance (Luxmed)
  • MyBenefit platform with Multisport option
  • Internal psychological support service
  • English language classes from the first working day
  • Access to O’Reilly, LinkedIn Learning, Udemy, and diverse internal training
  • Flexible workplace: office, home, or hybrid work
  • Tech Skills Mentoring Program
  • Opportunities to develop as a public speaker, mentor, or technical interviewer
  • Fully paid idle time when not involved in a project
  • Certification reimbursement for AWS, GCP, Microsoft, and other certifications

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