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

Blazity; Warszawa; Hybrid; PLN 180,000 - 240,000; Full time

Job summary

A tech company located in Warsaw is seeking a frontend developer to contribute to internal OSS initiatives and develop high-performance solutions using Next.js and TypeScript. The ideal candidate should have a minimum of 0.5 years of experience in frontend development and excellent English skills. This role offers flexibility between office and remote work, along with various benefits including health care and paid time off.

Benefits

29 paid days off

Private health care (Medicover)

Multisport card

Flexible hours

Qualifications

• Minimum 0.5+ years of commercial experience in frontend development.
• Excellent English (minimum C1).
• Knowledge of Next.js, React, TypeScript, and GIT.

Responsibilities

• Contribute to internal OSS initiatives.
• Build new features, improve documentation, fix issues.
• Develop and maintain high-performance frontend solutions.

Skills

Frontend development

Next.js

React

TypeScript

GIT

Databases

APIs

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 Centrum

Hybrid work model – enjoy flexibility between office and remote