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Are you ready to grow your development skills in a supportive environment where you'll work on real client projects and learn from experienced developers? Treeline Interactive is looking for an enthusiastic Junior Full Stack Web Developer who wants to build their career with guidance and mentorship.
About the Role
Based in Kraków, with a central city office close to the Main Market Square and Kazimierz district. The candidate should be local, as our hardware lab is in the office
B2 B contract (USD hourly rate), flexible working hours, and remote work options available
Work in a collaborative, respectful environment where learning and asking questions is encouraged
Join a team with members in both Kraków and San Diego, gaining exposure to international collaboration
Receive mentorship and guidance as you develop your technical and professional skills
What You'll Do
Contribute to features and solutions across client projects, with support from senior team members
Participate in client meetings, learning how to communicate technical concepts
Build and maintain web applications using modern technologies and best practices
Learn about system integrations and work with different parts of the tech stack
Grow your skills through code reviews, pair programming, and continuous feedback
Who Thrives Here
You're eager to learn and aren't afraid to ask questions when you need help
You're motivated to take on new challenges and responsibilities as you grow
You're comfortable communicating in English (both written and spoken)
You enjoy working with others and learning from more experienced developers
You're curious about how different systems work together
Requirements
Technical Skills
Good understanding of Java Script/Type Script
Frontend: React
Backend: Nest JS
Understanding of databases (SQL or No SQL)
Git version control basics
Nice to Have
Experience with Next.js, or React Native
Exposure to cloud platforms (AWS, Azure)
Knowledge of serverless architecture
Any experience with APIs or system integrations
What We're Looking For
Recent graduates or developers with 0-2 years of professional experience
A portfolio or Git Hub with personal/academic projects demonstrating your skills
Willingness to learn our tech stack (React, Next.js, Nest JS, Type Script)
Good problem-solving skills and attention to detail
Ability to work some hours aligned with Pacific Standard Time when needed
Benefits
What You Get
Mentorship from experienced developers who want to see you succeed
Exposure to real client work and professional development practices
Respectful, supportive culture where everyone's voice matters
Flexible hours, remote work options, and a Kraków office space
Opportunities to gradually take on more responsibility as you grow
Learning-focused environment with room for career advancement
We understand you're early in your career - we're looking for potential, enthusiasm, and willingness to learn, not perfection!
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