Senior Fullstack developer (.Net/React)

Hello!

We are looking for a Senior Fullstack Developer (.NET + React) with 4–6 years of strong commercial experience to join our team in Lviv (office or hybrid). You will contribute to the development of an AI-driven patent analytics system, working on both professional analytical tools and a self-service platform. Your role will involve designing, developing, and maintaining scalable web applications, ensuring smooth interaction between the frontend, backend, and database layers. You will also play a key role in architectural decisions, code reviews, and mentoring team members.

This position requires regular attendance at our office located in the center of Lviv, although remote work is possible in a hybrid format.

REQUIRED SKILLS

• 4+ years of professional experience in software development
• Strong expertise in .NET (C#), including OOP, Dependency Injection, and best practices
• Proven experience with Entity Framework and SQL
• Deep knowledge of React.js and JavaScript/TypeScript
• Experience working with REST APIs and asynchronous communication
• Ability to build scalable and reusable UI components based on designs (Figma or similar)
• Experience in system design, architecture, and performance optimization
• Experience in building data-driven applications or working with analytical dashboards
• Strong problem-solving and analytical skills, with attention to detail
• Experience in task estimation, goal setting, and mentoring junior/mid developers
• At least Upper-Intermediate English for communication with international clients

• Hands-on experience working in Agile teams

   

WILL BE AN ADVANTAGE

• Experience with Microsoft Azure or other cloud providers
• Knowledge of Next.js or modern React frameworks
• Familiarity with unit/integration testing tools (e.g., Jest, NUnit, xUnit)
• Understanding of CI/CD processes and DevOps practices
• Experience with component libraries (e.g., Material UI, Shadcn)
• Previous participation in high-load or enterprise-level projects
• Experience with building or integrating AI agents (a plus but not required)

• Familiarity with information retrieval, semantic search, or NLP-based solutions

   

WE OFFER

• Opportunity to contribute to building a new AI-powered product from the ground up
• Working on a fast-growing project with a professional team
• Extremely friendly and fun-to-work-with colleagues
• Above-market salary
• Free English lessons
• Respect and support for professional growth
• Flexible working schedule
• Comfortable office with great location and free perks
• Parties and celebrations.