TypeScript Backend Developer - Mid/Senior (m/ž)

InsiderCX is a fast-growing startup helping private healthcare providers improve patient experience and protect their reputation. We work with clinics and hospitals across Europe, turning patient feedback into actionable insights. We are currently building a new version of our platform, which is live in 6 European countries (UK, Italy, Croatia, Serbia, BiH, Slovenia) and planned to expand to 4 new countries in 2026. You will work on a platform that processes 500,000+ patients yearly and leverages proprietary AI models for extracting patient feedback (also sprinkling some LLMs on top!). What You’ll Do: - Design and build scalable and robust backend services using NestJS and TypeScript - Build performant and well-organized REST APIs - Launch production-ready features from scratch, including CI/CD pipelines and deployment - Maintain PostgreSQL databases, ensuring data integrity and security - Optimize microservices, background processors, and integrations - Write clean, testable, well-structured code - Collaborate with frontend developers and other team members to ensure seamless integration. - Participate in code reviews and architectural discussions

What We’re Looking For: - Strong proficiency with TypeScript and Node.js - Solid experience with NestJS (or similar: Express, Fastify, etc.) - Good understanding of SQL and relational databases - Experience with distributed systems, background jobs, or message queues is a plus - Familiarity with Git workflows (feature branches, PRs) - Comfortable working in an agile environment - Curious, reliable, and self-driven engineer - Proficiency in English, both written and verbal. Nice to Have: - Experience with TypeORM, microservices, or API security - Background in data-processing pipelines - Familiarity with Docker and containerized apps - Experience with cloud platforms (GCP/AWS/Azure) - Experience with AI model APIs or integrating AI-driven workflows