TypeScript Backend Developer - Mid/Senior

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 DoDesign and build scalable and robust backend services using NestJS and TypeScriptBuild performant and well-organized REST APIsLaunch production-ready features from scratch, including CI/CD pipelines and deploymentMaintain PostgreSQL databases, ensuring data integrity and securityOptimize microservices, background processors, and integrationsWrite clean, testable, well-structured codeCollaborate with frontend developers and other team members to ensure seamless integration.Participate in code reviews and architectural discussionsWhat We’re Looking ForStrong proficiency with TypeScript and Node.jsSolid experience with NestJS (or similar: Express, Fastify, etc.)Good understanding of SQL and relational databasesExperience with distributed systems, background jobs, or message queues is a plusFamiliarity with Git workflows (feature branches, PRs)Comfortable working in an agile environmentCurious, reliable, and self-driven engineerProficiency in English, both written and verbal.Nice to HaveExperience with TypeORM, microservices, or API securityBackground in data-processing pipelinesFamiliarity with Docker and containerized appsExperience with cloud platforms (GCP/AWS/Azure)Experience with AI model APIs or integrating AI-driven workflowsWhy Join InsiderCXWe are a young, ambitious team that nurtures a no red-tape, no bureaucracy mindset and a freedom to experiment.Some things that we build will work, some will not, and that’s okay - we are looking for someone who’s not afraid to fail a couple of times to win in the end and have fun along the way.