Middle Full-stack Developer in WebbyLab

WebbyLab is a Ukrainian IT outsourcing company. We develop scalable and multifunctional web applications and mobile applications using the Node.js, React, React Native, PHP stack. We have successfully implemented projects for Daimler Mercedes-Benz, Bayer, Pfizer, Uber, Ezlo, etc.

Currently, our company has more than 100 talented professionals and we aim to strengthen our team with cool talents with whom we will share our values, be inspired and develop together, achieving our goals goals.

We are looking for a Middle Full-stack Developer who has experience in frontend and backend development. We expect an understanding of ACID, SOLID, and the CAP theorem, as well as experience building scalable and robust solutions. It is important to be able to work with architecture, complex business logic and integrations with external services. Your tasks will include developing new functionality, implementing solutions for new customers and supporting existing integrations.

Your skills:

• 2+ years of commercial Full-stack experience with Node.js (Express, Koa) and React / Redux;
• In-depth knowledge of TypeScript, JavaScript (ES6+), HTML5 and CSS3;
• Strong experience with MySQL or PostgreSQL and practical experience with TypeORM or Sequelize;
• Understanding REST API design and principles of building scalable backend services;
• Experience writing autotests (Jest, React Testing Library for frontend; Mocha or Ava for backend);
• Deep understanding of event-oriented model in Node.js and asynchronous programming;
• Practical experience with Docker (containerization, writing Dockerfiles and docker-compose);
• Understanding of MVC, SOLID principles, ACID properties and basic cryptography concepts;
• Ability to assess complexity, assess risks and break down the vision into specific tasks;
• Basic knowledge of Linux distributions administration;
• Ability to work with AI tools in software development (Cursor, Claude Code, Gemini CLI).

Would be a plus:

• Experience with React Native for mobile development;
• Understanding Clean Architecture principles and patterns design;
• Experience with cloud services (AWS, Azure or GCP) and monitoring systems;
• Experience in developing or publishing your own libraries or packages;
• Knowledge of English at the Upper-Intermediate level.

Our benefits:

• Interesting and non-standard tasks, constant professional growth and feedback;
• Want to learn something new? WebbyLab compensates the costs of courses, trainings, conferences, etc.;
• English language courses and Speaking Club with a native speaker;
• Internal trainings, exchange of experience, project demo presentations;
• Access to specialized literature and expert consultations from colleagues;
• Flexible work schedule and work format (remote/within Ukraine);
• 20 paid vacation and sick days.

Please include salary expectations, a detailed description of your work experience, and contact information in your resume/cover letter.

Selection stages: HR interview > test task > technical interview > final interview. 

Important:the recruiting team will review your application and contact you if your experience and qualifications match the role. If you have not been contacted - do not worry, it means that we have saved your resume in our database for future vacancies.