Are you eager to take real ownership of your work, build strong client relationships, and drive impactful projects from end to end? Treeline Interactive is looking for a motivated, and communicative Full Stack Web Developer ready to grow with us and our clients.

About the Role:

Based in Kraków, with a central city office close to the Main Market Square and the Kazimierz district. The candidate should be local, as our hardware lab is in the office.
B2B contract (USD hourly rate), flexible working hours, and remote work options available.
Your contributions and ideas will be highly valued within a collaborative, respectful environment
Work alongside team members in both Kraków and San Diego. Join a team that values proactive communication, creative problem-solving, and collaboration across continents (collaboration in Pacific Standard Time hours when needed)
Your input matters: continuity on projects, technical influence, and client engagement are what we aim for

What You’ll Do:

Own and deliver key features and solutions across a range of client accounts and business domains
Actively participate in client meetings, articulating technical strategies in clear, accessible English - don’t just take notes, help set the direction!
Build and maintain systems that require integration across platforms, using a versatile mix of Full Stack Development
Ensure consistency and reliability for our clients: you’ll remain engaged with projects for their full lifecycle, building trust and deep context
Act as a technical advisor, offering input and leadership on architecture, integration, and process improvements

Who Thrives Here:

You are professionally hungry - a “driver,” not just a doer; you seek responsibility, run with it, and follow through
You’re not afraid to put yourself out there: initiative, direct communication, and “thinking out loud” are welcome
Client or cross-team engagement excites you: you don’t shy from a video call, and you’re always ready to explain your reasoning
You prefer variety and complexity - integrating systems, working with different tech, and solving interesting business problems

Technical Skills:

Experience with relational and non-relational databases, such as PostgreSQL, MongoDB, and DynamoDB
Solid understanding of Typescript
Frontend: React, Next.js
Backend: NestJS
Mobile: React Native
Serverless: SST.dev
DevOps familiarity: AWS, Azure (Terraform/Pulumi/CDK)
IoT, third-party APIs, and system integrations are a plus

Nice to Have:

Prior experience in professional services or client-facing teams
Previous work with continuous deployment pipelines and automation
A background in both development and deployment (“integration mindset”)

What You Get:

Respectful, supportive culture: egos are left at the door, and all voices are heard
Flexible hours, remote work, Kraków office available
Collaborative, learning-focused environment with team activities and growth opportunities

If you value responsibility, thrive in collaborative environments, communicate well in English, and are excited to work with clients in PST (Pacific Standard Time), we’d love to hear from you!

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