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Junior Frontend Developer (React.js & Next.js) - open source

1 918 - 2 466 USDNet per month - B2B
1 918 - 2 466 USDGross per month - Mandate
JavaScript

Junior Frontend Developer (React.js & Next.js) - open source

JavaScript

Marszałkowska 89, Warszawa

Blazity Sp. z o.o.

Full-time
B2B, Mandate
Junior
Hybrid
1 918 - 2 466 USD
Net per month - B2B
1 918 - 2 466 USD
Gross per month - Mandate

Tech stack

    Next.js

    junior

    React

    junior

    ReactJS

    junior

    JS

    junior

Job description

Our requirements

  • min. 0.5+ years of commercial experience in frontend development.

  • Excellent English (minimum C1).

  • Knowledge of Next.js (pages router or app router), React, TypeScript, and GIT.

  • Experience with Databases, APIs, CMS, or personal side projects is a plus.

  • GitHub contributions, participation in JavaScript communities, blogs, or side projects are highly appreciated.

  • Communication skills: someone who enjoys sharing knowledge, participating in events, tech talks, or podcasts.


Nice to have

  • Tailwind CSS

  • Advanced CSS


Soft skills

  • Strong communication skills.

  • Adaptability to a dynamic environment.

  • Flexibility and willingness to learn.

  • Ambition and eagerness to grow quickly in your career.

  • Resilience under client pressure and tight deadlines.

  • Ability to maintain focus and flow state.

  • Collaboration mindset (team player, open to feedback and cross-project discussions).

  • Positive energy and attitude.

  • Discipline and responsibility.


Motivators

  • Passion for technology

  • Entrepreneurial mindset: desire to create and improve things that impact others


Scope of responsibilities

  • Contribute to Blazity’s internal OSS initiatives.

  • Build new features, improve documentation, fix issues.

  • Collaborate with other OSS contributors and maintainers.

  • Develop and maintain high-performance frontend solutions in Next.js and TypeScript.

  • Collaborate with internal team members (Junior/Mid Developer, PM, Analyst).


What we offer

  • Development opportunities with hands-on experience across different projects.

  • Work alongside many Next.js developers and contribute to open-source projects.

  • Partnerships with companies like Vercel, participation in podcasts and community events.

  • Clean code practices and strong mentorship through a buddy system.

  • Exciting projects with open sharing of knowledge.

  • Focus on personal branding, tech talks, and regular frontend challenges.

 

Benefits:

  • 29 paid days off

  • Private health care (Medicover)

  • Multisport card

  • Hybrid work in Warsaw (flexible hours)


Salary ranges

B2B / UZ: 40–70 PLN net/h

Location

Modern office in Warsaw City Centre – just a short walk from Metro CentrumHybrid work model – enjoy flexibility between office and remote

Tech stack

    Next.js

    junior

    React

    junior

    ReactJS

    junior

    JS

    junior

Office location

Published: 26.11.2025

Junior Frontend Developer (React.js & Next.js) - open source

1 918 - 2 466 USDNet per month - B2B
Summary of the offer

Junior Frontend Developer (React.js & Next.js) - open source

Marszałkowska 89, Warszawa

Blazity Sp. z o.o.

1 918 - 2 466 USDNet per month - B2B
1 918 - 2 466 USDGross per month - Mandate
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