.
OutSystems Developer
  • Warsaw
OutSystems Developer
Warszawa, Warsaw, Masovian Voivodeship, Polska
Sii Sp. z o.o.
1. 10. 2025
Informacje o stanowisku

technologies-expected :


  • Outsystems
  • OutSystems UI
  • JavaScript
  • HTML
  • CSS3
  • PL/SQL

about-project :


  • We are seeking an OutSystems Developer to join agile squads working on the client’s core leasing platform, delivering scalable and secure enterprise-grade applications. This role involves end-to-end software design, development, testing, and support, with a strong focus on performance, maintainability, and user experience.
  • This role requires working from the client’s office 2 days a week.

responsibilities :


  • Designing and developing scalable and secure software solutions in OutSystems
  • Clarifying requirements and collaborating with stakeholders to define business needs
  • Implementing and optimizing code to meet development and security standards
  • Creating and executing test strategies and supporting deployments
  • Maintaining documentation and integrating software packages
  • Participating in developer networks and sharing best practices
  • Engaging in continuous training on emerging technologies

requirements-expected :


  • Minimum 5 years of experience in OutSystems development
  • Strong knowledge of OutSystems frameworks, UI, and integrations (XML, JSON)
  • Proficiency in JavaScript, HTML, CSS, PL/SQL
  • Experience with Jira, Confluence, and SharePoint
  • At least 4 OutSystems certifications
  • Fluency in English and Polish
  • Residing in Poland required

offered :


  • Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
  • Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
  • We share the profit with Workers - over PLN 60M has already been allocated for this aim since 2022
  • Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
  • Comfortable workplace – class A offices or remote work
  • Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
  • PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
  • Investment in your growth – meetups, webinars, training platform and technology blog – you choose
  • Fantastic atmosphere created by all Sii Power People

  • Praca Warszawa
  • Warszawa - Oferty pracy w okolicznych lokalizacjach


    109 603
    17 985