(Senior) Frontend Developer with React and Flutter - freelance

Netguru; Polska; Hybrid; PLN 186,000 - 259,000; Full time

Benefits offered by this job

100% remote

Flexible work

Long-term collaboration

CI/CD and Code Review

Job summary

Netguru offers freelance opportunities with 100% remote work and flexible engagement terms. You’ll work on projects across industries, with potential for long-term collaboration and ongoing skill development. Start date is around mid August 2026 for a 3-month engagement.

Ideal candidates have 3+ years (regular) or 5+ years (senior) of experience in React and Flutter, strong design systems experience, and excellent English skills, with AI-aware coding practices a plus.

Qualifications

• 3+ years of experience for regular role
• 5+ years of experience for senior role
• Strong expertise in React (Web) and Flutter (Mobile) development
• Experience building, structuring, and maintaining component libraries/design systems
• Understanding of clean code, documentation, and AI-friendly repo setups
• Excellent English skills

Skills

React

Flutter

Design Systems

AI-ready Code Architecture

English proficiency

Tools

Cursor

Claude

Lovable

Job description

How freelancing works at Netguru?

Netguru is a trusted partner in digital commerce. The company helps leading brands modernize B2B solutions, marketplaces, and retail ecosystems. Since 2008, it has empowered businesses with cutting-edge technology, AI-powered personalization, and world-class engineering and design teams. A certified B Corporation®, Netguru is trusted by major brands including IKEA, VW, OLX, Delivery Hero, Żabka, Wolt, Careem, and Vinted.

As a Netguru freelancer, you can choose what works well for you. You decide when, where, and how you work on projects and tasks.

We match you with work that fits your skills. Plus, you have access to various opportunities across different industries and companies. That means you will not only gain more experience, but also develop various skills.

But there's more. Netguru freelancers can benefit from full-time collaboration and really be a part of the team.

So, are you ready to make an impact? Join Netguru, and let's build beautiful software together.

Salary range (Senior): up to 188 PLN/h

Salary range (Regular): up to 135 PLN/h

Engagement: fulltime

Working Hours: CET

Start date: around mid August 2026

Project duration: 3 months

• Min. 3 years of experience for regular role and min. 5 years of experience for senior role
• React & Flutter: Strong expertise in React (Web) and Flutter (Mobile) development;
• Design Systems: Proven experience in building, structuring, and maintaining component libraries / design systems;
• AI-Ready Code Architecture: Understanding of clean code structure, documentation, and repository setup compatible with AI coding agents (e.g., Cursor, Claude, Lovable).
• Excellent English skills

Nice-to-have:

• Practical experience using AI-assisted coding tools/agents in production workflows.

In return, we offer:

• 100% remote, flexible work.

• Work with an experienced team of developers and continuous development of your hard and soft skills.

• Dev-friendly processes such as Continuous Integration, Continuous Delivery, Code Review and bug bashes.

• Long-term collaboration on challenging products (FinTech, B2B software, E-commerce and more).

Here’s what you can expect from the recruitment process:

• First, you'll meet with one of our recruiters to get to know each other better.
• Then you will go through a round of technical interviews
• If everything goes well, you'll have the opportunity to meet with the client during online interviews.

At Netguru, we're committed to creating an inclusive environment for everyone. If you require any disability-related adaptations during the recruitment process, please let us know. We're here to help!