Senior Software Engineer (Node/React)

We are looking for a Senior Software Engineer (Node/React) to join a fast-growing European fintech company building AI-powered software that transforms how businesses manage receivables and debt collection. The platform automates financial workflows, streamlines collections, and integrates seamlessly with clients' systems, helping organizations improve cash flow through modern cloud-native technology and intelligent automation.You will play a key role in developing and maintaining backend services, building modern React applications, and contributing to cloud-native deployments. The ideal candidate enjoys solving technical challenges, takes ownership of features, and is passionate about delivering high-quality software while working with modern technologies and AI-powered solutions.Requirements5 years of professional software development experienceStrong proficiency in TypeScript, Node.js (NestJS), and ReactSolid experience building modern React applicationsExperience developing and maintaining REST and GraphQL APIsHands-on experience with MySQL or other relational databasesExperience working with Docker and containerized applicationsFamiliarity with Google Cloud Platform or other cloud platformsExperience using Axios or similar libraries for API communicationStrong problem-solving skills with an ownership-driven mindsetAbility to work independently while collaborating effectively within a teamExcellent English communication skillsNice to HaveExperience integrating AI services such as OpenAI APIsExperience with Tailwind CSS, Material UI (MUI), or similar UI frameworksExperience building cloud-native, serverless applicationsFamiliarity with Agile development environmentsStartup experienceResponsibilitiesDevelop and maintain backend services using NestJS (Node.js) and TypeScriptBuild and enhance modern React applications with a focus on scalability and performanceDevelop and maintain REST and GraphQL APIsIntegrate AI-powered capabilities into the product using modern AI servicesDesign responsive user interfaces using Tailwind CSS, Material UI, and modern frontend technologiesManage application deployment using Docker in a cloud-native environmentDesign, optimize, and maintain MySQL databases and application data modelsCollaborate with cross-functional teams to deliver features from concept through productionParticipate in technical discussions, code reviews, and continuous improvement initiativesTake ownership of features while contributing to product quality, engineering best practices, and ongoing platform development