Senior Full Stack Engineer (Java+React)

About the Position

We are looking for an experienced Senior Full Stack Engineer (Java+React) to join our development team in Europe, Ukraine. Our customer, an integrated Shipping Services company, has set itself apart as an independent carrier with a fresh, unique approach. They offer distinctive advantages to customers worldwide and have created a smart, efficient network that ensures stable, reliable services.

Responsibilities

• Lead architecture and design decisions for complex services, APIs, front-end capabilities, integration flows, and cloud-ready components.
• Guide other developers through pairing, code reviews, design reviews, mentoring, and hands-on technical leadership.
• Translate business needs into scalable, maintainable, secure, and testable technical solutions.
• Identify modernization opportunities, reduce technical debt, and improve system reliability, observability, performance, and deployment quality.
• Promote engineering excellence across teams: clean code, automation, testability, secure coding, reusable components, and clear technical documentation.

Requirements

• BSc in Software Engineering or BS degree in Computer Science, or equivalent practical engineering experience.
• 5+ years of hands-on software engineering experience, including significant experience in enterprise-scale systems.
• Expert level Java experience, including Spring / Spring Boot / Spring Cloud, microservices, RESTful APIs, and integration-oriented architecture.
• 3+ years of front-end development experience, mainly React, with strong knowledge of modern JavaScript / TypeScript frameworks, component design, state management, and reactive UI patterns.
• Strong experience in distributed systems design, API-first architecture, service resilience, service discovery, circuit breaker patterns, scalability, observability, and performance tuning.
• Strong experience with TDD/BDD and automated testing using frameworks such as JUnit, Jasmine, Mockito, Protractor/Selenium, or equivalent modern tools.
• Solid DevOps mindset and hands-on experience with CI/CD, Jenkins or equivalent pipelines, automated quality gates, deployment automation, and production-readiness practices.
• Experience designing, developing, and deploying cloud/hybrid solutions in container-based environments such as Kubernetes or Cloud Foundry.
• Experience with Kotlin, functional programming, Java Streams, and modern JVM ecosystem practices - strong advantage.
• Ability to evaluate technology options, make architectural trade-offs, and communicate technical recommendations clearly to both engineering and management stakeholders.
• Self-starter with strong ownership, ability to prioritize complex work, drive decisions, and operate effectively in a rapidly changing environment.
• Excellent problem-solving skills, high engineering judgment, strong critical thinking, and ability to simplify complex technical challenges.
• Good English - verbal and written.

We Offer

• Flexible working format - remote, office-based or flexible
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits

not applicable for freelancers