Senior Java Developer (вакансія неактивна)

We are looking for a Senior Full Stack Engineer (Java + React) to take ownership of building high-quality, scalable applications!

You’ll work hands-on with Java/Spring Boot on the backend, React/Next.js on the frontend, and integrate with modern APIs and services. This is your chance to make an impact, solve challenging problems, and grow your expertise in a fast-paced, innovative environment.

What You Will Do:

• Develop and maintain backend applications using Java 17 and Spring Boot.
• Work with relational databases (PostgreSQL, H2) and manage schema changes with Flyway.
• Design and implement REST APIs and integrate with external services (AWS, Stripe, Twilio, SendGrid, Google APIs, Microsoft Graph).
• Ensure high code quality through unit and integration testing (JUnit, Mockito, Testcontainers).
• Monitor, log, and debug production issues using Sentry and Logback.
• Improve and refactor existing code, resolving critical issues in the system.
• Lead technical decisions and drive engineering best practices.

Who You Are:

• 6+ years of experience with Java and Spring Boot.
• Strong ownership mindset — from requirements clarification to production delivery.
• Strong experience with React (v17+) and TypeScript (functional components, hooks, and modern React patterns).
• Proficiency with Next.js (v10+) — SSR/SSG, routing, and performance optimization.
• Hands-on experience with React Query and Formik for efficient data fetching and complex form management.
• Strong knowledge of relational databases and SQL.
• Experience with API design and third-party service integrations.
• Solid background in testing practices (unit, integration, async).
• Good understanding of logging and error monitoring tools.
• Problem-solving mindset and ability to work independently.

Nice to have:

• Experience with cloud platforms (AWS).
• Familiarity with payment and communication APIs (Stripe, Twilio).
• Knowledge of feature flagging systems (Togglz).

About The Project:
EdTech, a SaaS platform to manage after-school activities. The product covers parent communication, and reporting in one system. As an engineer, you’ll be working on a product that simplifies complex workflows, integrates with multiple third-party services, and directly impacts how schools and studios operate more efficiently.