Senior Frontend Developer

Together with DataQollab, we are seeking a Senior Frontend Developer to join our team and play a key role in shaping the frontend architecture and experience for a growing US-based company.

About the Client

DataQollab is a boutique technology consultancy specializing in capital markets use cases, helping firms unify disparate data sources and connect data pipelines to analytical libraries and visualization tools. Their expertise spans interest rate risk management, asset valuation, trading-algorithm development, automated data cleansing, and custom business intelligence dashboards.

About the Role

You’ll help define architecture, set development patterns, and drive the creation of intuitive and performant user interfaces. You’ll be responsible for building a solid and scalable frontend foundation, ensuring a consistent user experience, and collaborating closely with the co-founder to turn ideas into functional, high-quality features.

Key Responsibilities:

• Lead frontend development using React and Elastic UI;

• Define architecture, development patterns, and best practices;

• Collaborate closely with the co-founder and product team;

• Build scalable, maintainable, and reusable UI components;

• Take ownership of the frontend codebase and technical direction.

Qualifications:

• Strong experience with React and frontend architecture;

• Familiarity with Elastic UI or similar component libraries;

• Ability to set up design systems and reusable patterns;

• Comfortable working independently and taking initiative;

• Passionate about clean code, performance, and user experience.

In exchange for your skills, we offer:

• Supportive relationships, built on transparency and a flat structure, in a diverse and multinational team;

• Office in the center of historical Kraków, where your dog is always welcome;

• Flexibility when it comes to working from the office or home;

• Perks include Multikafeteria, Group Life Generali insurance, Signal Iduna, Multisport, language lessons 1:1;

• Sport and other events, including weekly running, squash, and team lunches on the house;

• Free tea, coffee, and all-you-can-eat fruits and nuts in the office.

The recruitment process includes:

• HR screening 30min zoom call;

• 1h technical interview;

• General call with the team leader;

• Making an offer meeting.