Flutter Developer (greenfield project)

Mid • Hybrid

12,000 - 19,000 PLN/hr

Krakow, Poland

Salary: 500-900 PLN/MD (B2B contract)

Work model: hybrid from Gdynia / Gdańsk / Warszawa / Rzeszów / Kraków (3 days per week from the office)

Why choose this offer?

Opportunity to build a fintech platform from scratch (greenfield project)
Real impact on architecture and core frontend services from day one
Collaboration within a cross-functional, international team
Work on a large-scale financial platform in the banking domain

Project

We are building a fintech platform from the ground up for a financial institution operating in the banking products space. As a Flutter Developer, you will be part of a cross-functional squad responsible for designing and developing the mobile layer and parts of the frontend ecosystem of this greenfield product. You will work within a mixed frontend-backend squad, collaborating closely with your Tech Lead, Senior Developer, Business Analyst, and QA Engineer. The project involves Flutter-based applications integrated with a React-based web layer, giving you exposure to both mobile and web frontend ecosystems.

Responsibilities you'll have

Design, develop, and maintain mobile applications using Flutter
Collaborate with React developers on shared frontend architecture and API integration
Build performant and scalable UI across mobile and web-integrated solutions
Translate business requirements and UI/UX designs into clean, maintainable code
Integrate applications with backend APIs and services
Participate in code reviews, technical discussions, and architectural decisions
Write clean, testable, and well-documented code following best practices
Contribute to establishing cross-platform frontend standards and patterns
Communicate progress, blockers, and technical decisions in English

Expected competences and knowledge

Solid commercial experience in Flutter development (mid-level)
Hands-on experience building mobile applications with Flutter (Android/iOS)
Understanding of frontend architecture and state management patterns
Experience with REST API integration
Fluent English (spoken and written)
Availability to work from the office 3 days per week (Warsaw, Kraków, Tricity, or Rzeszów)
Nice to have:
- Experience with React
- Familiarity with Google Cloud Platform (GCP)
- Experience in financial services or banking domain
- Experience in greenfield projects
- Knowledge of state management patterns, design systems, and component-driven architecture

Technologies you'll work with

Flutter
React
REST APIs
GCP
Modern frontend tooling and libraries
CI/CD pipelines

Client – why choose this particular client from the Jit portfolio?

The client is a fintech institution operating in the Kingdom of Saudi Arabia, focused on modernising its digital capabilities and expanding its offering for micro-SME customers. It is an organisation with a strong market presence and a clear strategic commitment to innovation, aiming to deliver banking experiences that are fully digital, user-friendly, and deeply integrated with day-to-day business needs.

About Jit Team

The Human factor of IT - it's not just a slogan, it's a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 700 experienced experts. We create highly specialised teams for clients from all over the world. We offer team members developmental projects, a wide range of benefits and a proprietary professional development programme.

Behind our maxim are also charitable and educational activities. We support pupils and students by donating learning equipment. We offer internships to help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We are a Polish company and we share what we have achieved over 15 years of activity. By supporting indigenous initiatives, we ensure the circulation of good energy.

Wymagania

Oczekujemy

Oferujemy

Jit Team

Jit Team is a Polish company that operates in the IT industry, focusing on creating highly specialized teams for clients worldwide. With over 700 experienced experts, Jit Team emphasizes the human factor in IT, prioritizing people and their development. The company is deeply committed to its philosophy of "The Human factor of IT," which is reflected in its charitable and educational activities, such as supporting students with learning equipment and offering internships to launch IT careers. Jit Team has been active for over 15 years and is known for its strong relationship with a leading financial group in the Nordic countries, serving as their premier partner in Poland. The company values work-life balance, feedback culture, and international collaboration, often working in teams that provide exposure to the English language. Jit Team is also involved in supporting local initiatives, ensuring the circulation of positive energy within the community.

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