Senior Software Engineer (Node/React)
DevsData LLC
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.
Requirements
5+ years of professional software development experience
Strong proficiency in TypeScript, Node.js (NestJS), and React
Solid experience building modern React applications
Experience developing and maintaining REST and GraphQL APIs
Hands-on experience with MySQL or other relational databases
Experience working with Docker and containerized applications
Familiarity with Google Cloud Platform or other cloud platforms
Experience using Axios or similar libraries for API communication
Strong problem-solving skills with an ownership-driven mindset
Ability to work independently while collaborating effectively within a team
Excellent English communication skills
Nice to Have
Experience integrating AI services such as OpenAI APIs
Experience with Tailwind CSS, Material UI (MUI), or similar UI frameworks
Experience building cloud-native, serverless applications
Familiarity with Agile development environments
Startup experience
Responsibilities
Develop and maintain backend services using NestJS (Node.js) and TypeScript
Build and enhance modern React applications with a focus on scalability and performance
Develop and maintain REST and GraphQL APIs
Integrate AI-powered capabilities into the product using modern AI services
Design responsive user interfaces using Tailwind CSS, Material UI, and modern frontend technologies
Manage application deployment using Docker in a cloud-native environment
Design, optimize, and maintain MySQL databases and application data models
Collaborate with cross-functional teams to deliver features from concept through production
Participate in technical discussions, code reviews, and continuous improvement initiatives
Take ownership of features while contributing to product quality, engineering best practices, and ongoing platform development