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np. Python, Warszawa, Startup

Senior Backend Developer

location-pointer-icon Warszawa
B2B
PHP
remote

UPSTARS is a product IT company where both people and brands take off. Our main focus is technological solutions and B2B services for international clients. We launch star-level iGaming projects that gain recognition and top scores in industry rankings ✨

And yes, supporting a legal and transparent Ukrainian market is a must-have — we were the third company in the country to obtain a B2B license to provide gambling-related services.

In 2025, we are actively scaling both our projects and our dream team. That’s why we’re looking for a Senior Business Development Manager to strengthen our Affiliate Business Development team.

✅ Your future responsibilities:

  • integration with internal services;
  • improvement and optimization of existing services written in PHP/GoLang;
  • development of new services using PHP/GoLang.

💪 Your skills:

  • 5+ years of experience in PHP 7/8 development;
  • Symfony 4/5 framework;
  • strong knowledge of PostgreSQL/MySQL;
  • experience with Git;
  • understanding of OOP principles, SOLID, KISS, and others;
  • strong analytical, organizational, and time management skills;
  • good understanding of Agile development methodology and experience with Jira;
  • ability to work in a team and attention to detail;
  • goal-oriented and self-confident.

🤞 Nice to have, but not critical:

  • architectural thinking;
  • experience with Kubernetes/Helm Charts;
  • knowledge of Go and/or willingness to learn;
  • experience working in a product company.

🌟 What we offer:

  • we confidently take on star-marked tasks — they unlock potential;
  • we speak directly and clearly, even about complex things;
  • we dislike bureaucracy and outdated methods — we support freedom of action;
  • we have our own infrastructure to build tech solutions from scratch;
  • we use cloud storage, Kubernetes and other components of digital maturity;
  • we automate routine tasks to focus on growth and professional development within the company;
  • we offer a clear career path with performance reviews, training, mentoring programs, and the opportunity to test new technologies on side projects;
  • a value-driven team — we work, rest, and do good things together.

🍪 Must-have:

  • work wherever you feel comfortable and safe — from the office or remotely;
  • official employment in Ukraine or Poland — we’ll support you with all bureaucracy and help with the paperwork;
  • 20 paid vacation days, public holidays, and sick leave — we care about work-life balance;
  • medical insurance at top clinics and coverage of psychologist support via the Pleso platform;
  • Benefit café — monthly budget for your hobbies, sports, or other personal preferences;
  • events — take part in workshops, teambuildings, and company parties;
  • learning support for any need — individual course budget, corporate English classes, workshops, and access to an online library.

And one more thing:

❗️We do not have clients who use our products or services on the Ukrainian market.

❗️We do not work with clients from the aggressor country or any other Russian-speaking market.

Are you driven by growth and eager to learn new things? Want to take an active part in the product creation process? Let’s connect! 😉

UPSTARS
Product
500 - 1000
Branża
Gambling
Założona
2020

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