Location: Remote w/ periodic meetings in Poland (Development Headquarters in Poland) Seniority: Mid/SeniorCompany Overview: Prosoma is a medtech startup delivering digital healthcare solutions for psycho-oncology. Our products provide accessible, supportive care to patients to improve their overall treatment effectiveness while generating savings for the stakeholders across the healthcare system.Job Description: We are looking for a Fullstack Developer to join our team and contribute to the development of our modern web platforms in the medical sector. You will build scalable solutions for the European and American markets, ensuring full compliance with GDPR and HIPAA standards. We use AI tools in our daily work and integrate AI features directly into our products.Responsibilities: Developing and maintaining web applications using Next.js, React, .Node.js Designing and implementing type-safe code with TypeScript and responsive UIs using Tailwind CSS. Working with Neon PostgreSQL 17. Implementing caching strategies and session management using Upstash Redis and Vercel KV. Integrating and managing content structures using Sanity CMS. Writing and maintaining tests using Vitest. Managing deployments and CI/CD workflows within the Vercel and GitHub ecosystem. Requirements: Minimum 5 years of experience as a Fullstack or Frontend Developer with strong backend capabilities. Strong proficiency in Next.js, React, TypeScript and Node.js. Solid understanding of SQL and relational databases (PostgreSQL). Experience with Tailwind CSS for styling. Knowledge of serverless architecture and caching mechanisms (Redis). Experience in implementing secure authentication (handling cookies, OTP). Familiarity with Headless CMS solutions (Sanity or similar). Experience with testing frameworks (Vitest/Jest). Experience with AI tools and deploying AI-based applications Nice to Have: Deep knowledge of Vercel platform capabilities. Previous experience in the medical devices domain, or another regulated area. Knowledge of accessibility standards (WCAG) in web development. Languages: Fluency in Polish is required. Communicative in English. What We Offer: B2B contract. Opportunity to make an impact within the company (regular knowledge sharing, collaborative environment that encourages forward-thinking and initiative). Competitive salary. Potential to delve into the details of healthcare technology, including regulatory requirements, certification processes, and unique market characteristics. Fully remote work with flexible hours. A chance to be part of a growing international presence and contribute to our global expansion. How to Apply: If you are passionate about using your technical skills to make a positive impact in the healthcare sector, we would love to hear from you. Please submit your resume outlining your relevant experience and let us know why you are the perfect