Senior Full Stack Developer (Java and React)

Quick Facts

Senior Full Stack Developer (Java and React)

Description

Join a team building enterprise-grade reporting, data visualization, and analytics solutions for a large global user base. You will work on both backend and frontend development of a mature customer-facing product, collaborating with product managers, engineers, QA, and SRE to deliver scalable and reliable features. The role includes building APIs, creating tests, integrating third-party tools, and troubleshooting technical issues end-to-end.

Responsibilities

• Design, develop, and maintain new features and modules across backend and frontend components
• Support, enhance, and continuously improve the existing codebase
• Build deep product knowledge, including integrations, data flows, and ecosystem
• Investigate and troubleshoot technical issues with support teams to deliver end-to-end solutions
• Collaborate with product managers, software engineers, QA engineers, SRE teams, and other stakeholders throughout the development lifecycle
• Create unit and integration tests to ensure software quality and reliability
• Participate in peer code reviews and promote engineering best practices
• Develop and maintain integrations with third-party tools and external systems

Requirements

• 5+ years of commercial full-stack software development
• Strong backend expertise with Java and Spring (Boot, MVC, Data)
• Experience designing and implementing APIs
• Solid relational database knowledge, particularly PostgreSQL, including debugging performance and data-related issues
• Strong understanding of OOP principles, design patterns, and Test-Driven Development (TDD)
• Hands-on experience building production-grade applications with React (hooks, component composition, performance optimization)
• Strong proficiency in TypeScript, including advanced typing and type-safe application design
• Experience with state management libraries such as MobX, Redux, or similar
• Good understanding of modern build tools and frontend tooling, including Vite or Webpack
• Strong analytical and problem-solving skills with ability to investigate unfamiliar technical challenges
• High level of ownership and ability to work independently in a remote environment
• Ability to start tasks with incomplete specifications and refine requirements during implementation
• Upper-intermediate (B2+) or higher English (spoken and written)
• Strong communication skills for international collaboration

Benefits

• Up to 26 business vacation days per year
• 10 illness/special days off per year (fully paid)
• Health and life insurance
• Multisport option via MyBenefit platform
• Internal psychological support service
• English language classes from the first working day
• Access to external learning platforms (O’Reilly, LinkedIn Learning, Udemy) and internal training catalog
• Flexible workplace (office, home, or hybrid)
• Tech Skills Mentoring Program
• Opportunities to develop as a public speaker, mentor, or technical interviewer
• Certification reimbursement (AWS, GCP, Microsoft, etc.)