Back End Developer

Crowded

Crowded

Software Engineering

Poland

Posted on May 15, 2026

About us:

Crowded empowers groups with a comprehensive financial platform that simplifies the collection, spending, and management of money online. With features like group banking, seamless officer handovers, efficient expense management, secure payment and donation collection, and effective fundraising capabilities, our embedded finance system provides all the tools needed for confident financial management. By eliminating the hassle of transferring funds between multiple platforms, Crowded streamlines transactions, enhances control, and ensures the simplicity and safety groups deserve.

About The Role:

Crowded is looking for a Backend Engineer to join our technology teams responsible for powering our banking service, mobile applications, web applications, REST API, databases and third-party integrations.

Responsibilities:

  • Design, develop, test, and scale new and existing features.
  • Encourage innovation and foster an environment of continuous improvement.
  • Translate design concepts into physical objects
  • Design and build in a microservices environment

Requirements:

  • 5+ years as a software engineer
  • Experience with the technologies and frameworks we use; Node.js with typescript (Must), SQL (Must), Microservices (Must), NestJs (Advantage)
  • Solid understanding of system architectures, design patterns, product and development best practices including agile methodologies
  • Expert with git and gitflow
  • Excellent communication skills
  • Advantage: Knowledge of retail banking, especially banking as a service and neobanks
  • Full time availability

Benefits:

💰 Competitive salary based on experience

🔨 We encourage you to learn new concepts, and grow as a developer and technologist.

🎓 We equip you with courses and modern tools to take our product to a new level

🏔️ A challenge and an opportunity to build something new with an awesome team

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Crowded Technologies Inc. is proud to be an Equal Employment Opportunity and Affirmative Action employer. We do not discriminate based upon race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.

Industry

Financial Services

Employment Type

Full-time