Mid Full Stack Developer | React / Next.js / TypeScript
Mid-level full stack developer at a Polish software consultancy building web products for international clients — Next.js migrations, greenfield products, and long-term maintenance. Day to day: React/Next.js/TypeScript frontends, backend APIs and integrations, headless CMS work, and AI-assisted development. B2B contract, 100% remote within Poland.
- Compensation
- PLN 75–PLN 120 / hr
- Location
- Warsaw, Poland
- Work setup
- Remote
- Seniority
- Middle
- Employment
- Contract
- Experience
- 2+ years
- Category
- Fullstack
- Posted
Skills
Must have
- 2+ years of professional software development experience
- Good experience with React
- Good knowledge of Next.js
- Good knowledge of TypeScript
- Experience working with APIs and backend services
- Understanding of modern web application architecture
- Experience working with Git and modern development workflows
- Ability to work independently on assigned tasks
- Willingness to learn and take on new technical challenges
- Good spoken and written English
- Experience using AI tools such as Claude, ChatGPT or GitHub Copilot
- Willingness to experiment with AI-assisted development
Nice to have
- Experience with Node.js
- Experience with AWS or other cloud platforms
- Experience with Vercel
- Experience with headless CMS platforms such as Sanity or Hygraph
- Experience with Webflow or website migrations
- Experience working on projects for international clients
- Experience with testing and CI/CD
- Experience with observability or monitoring tools
- Experience working with AI-powered products
Full description
About Blazity
At Blazity, we are a team of experienced software engineers and AI practitioners building modern digital products, AI-powered solutions and digital experiences for companies worldwide.
We work with international clients on projects ranging from large scale migrations and platform development to greenfield products and long term maintenance.
Our projects are built around modern technologies such as React, Next.js, TypeScript, Node.js and Vercel. We also work with modern headless CMS platforms, cloud technologies and AI tools that are becoming an increasingly important part of software development.
We believe good engineers today should be comfortable working with AI. This doesn't mean being an AI specialist. It means knowing how to use AI tools effectively, being curious about new development approaches and understanding where AI can genuinely improve the way we build software.
We are looking for a Mid-level Full Stack Developer who enjoys modern web development, wants to work on international projects and is interested in developing their skills in an environment where AI is part of the everyday engineering workflow.
About the Role
As a Mid Full Stack Developer, you will join our engineering team and work on projects for international clients.
Our current project pipeline includes large scale migrations, migrations from Webflow to Next.js and Vercel, new digital products and long term maintenance of existing applications.
Depending on the project, you may work on:
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Migration of existing websites and platforms to Next.js and modern cloud infrastructure.
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Development of new digital products from scratch.
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Building and maintaining production web applications.
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Frontend development with React and Next.js.
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Backend development and API integrations.
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Working with headless CMS platforms.
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Improving application performance and maintainability.
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Supporting long term projects and ongoing product development.
You will work closely with experienced developers, technical leads and clients, with opportunities to gradually take more ownership of your work and technical decisions.
What You Will Do
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Develop web applications using React, Next.js and TypeScript.
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Build new features and improve existing applications.