
Fullstack Developer (18-25k net B2B)
Job Description
Posted on: February 26, 2026
We’re a well-knit digital design studio working with products, brands and (no-)code. Founders come to us because we help them define, build and scale their MVPs. That means we gotta think beyond “u mnie działa” (though we love all the memes). You’re free to do the job your way, but the team is there for you. Doesn’t matter if you’re just in a pickle or need a real talk about your career — there’s always folks happy to give you a hand. And hey, we’re not here to point the finger at what to do. If you see something we can improve or know how to reach our goals — do it and get your cred. The team is already asking about you. Don't make them wait, apply! Your day-to-day
- Developing and maintaining the product roadmap & ensuring alignment with the project vision.
- Collaborating with cross-functional teams, including product design, engineering, no-code, to ensure that the product meets the desired specifications
- Defining growth metrics for individual products in cooperation with the team
- Writing code with help of AI to match the best standards of product development.
- Ensuring the product is scalable, reliable, and secure
- Testing the product thoroughly to identify and fix any issues before launch
- Monitoring the product's performance and user feedback after launch, iterating and improving as necessary
It's a match if you're like this
- Proven experience as a Fullstack Developer or a similar role, with a portfolio of successful web-based products
- Solid skills how to leverage AI tooling for productivity gains.
- Strong knowledge of modern web development languages, TypeScript/JavaScript, and at least one of Python, Rust, C#.
- Experience with React/JSX-based web frameworks, preferably Next.js (app directory)
- Strong understanding of cloud computing platforms, networks, and associated technologies like Docker, CDN, Edge Workers, etc.
- Knowledge of data modeling and relational databases preferably PostgreSQL
- Architecture design skills
- Familiarity with Agile development methodologies and project management tools such as Jira or Linear
- Excellent communication and collaboration skills
- Passion for innovation and a desire to stay up-to-date with the latest development trends and technologies
- Fluent in both Polish and English
- (nice to have) Bachelor's degree in Computer Science, Engineering, or a related field
If you are a highly motivated and skilled Fullstack Developer looking for an exciting opportunity to create innovative products from scratch, we invite you to apply for this position. What you get
- Work wherever & whenever you want (but bonus points for being relatively close to our HQ)
- Unlimited budget for growth
- Unlimited hardware & software budget
- Paid time off and sick leave
- No overtime (but paid double if you volunteer)
- Dinners, retreats, and workations
- LuxMED + Multisport
The process1. You first Hit that big Apply button and tell us about yourself.
- Vibe check Let’s jump on a call, so we can both figure whether it’s a fit.
- Show off We’ll ask you to do a little task (that we’ll pay for) so we can see your wizardry.
- Join the team One last interview to talk details and that’s it, you’re on board!
Find out more at tonik.com
Apply now
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