Role DescriptionThis is a full-time role at Necodex for a MidSenior Full Stack Developer. Youll be responsiblefor building, scaling, and maintaining web and mobile applications end-to-end fromdesigning robust backend services to creating seamless user interfaces. The role requiresstrong expertise across both frontend (*, React Native) and backend (Java/SpringBoot, microservices, PostgreSQL) stacks, with the ability to collaborate across teams andtake ownership of delivering production-ready solutions in a fast-paced environment.What Youll Do

• Design, develop, and maintain scalable backend services using Java (17/21) and Spring Boot.
• Build and deploy microservices architectures focused on performance, scalability, and security.
• Develop responsive and high-performing web and mobile applications using * and React Native.
• Integrate frontend and backend systems, collaborating closely with Java/.NET service engineers.
• Design efficient relational data models, write optimized queries, and manage PostgreSQL databases.
• Deploy, monitor, and optimize applications in the cloud (AWS preferred).
• Integrate and manage search platforms (Elasticsearch, OpenSearch, SOLR, or Vespa).
• Write clean, maintainable, and testable code across frontend and backend.
• Participate in code reviews, architectural discussions, and performance tuning.
• Provide technical mentorship when needed and collaborate with cross-functional teams teams QA, product, and DevOps.
• Take end-to-end responsibility for assigned features/modules from design to deployment.What Were Looking For
• 3+ years of professional experience in full stack development.
• Strong hands-on experience with Java (17/21), Spring Boot, and RESTful APIs.
• Proven track record in building production-grade applications with * and React Native.
• Solid understanding of JavaScript (ES6+), TypeScript, and state management frameworks (Redux/MobX/Recoil).
• Experience with microservices design patterns and API gateway/orchestration.
• Hands-on experience with PostgreSQL (schema design, indexing, query optimization, transactions, performance tuning).
• Exposure to cloud platforms (AWS preferred), Docker/Kubernetes, and CI/CD workflows.
• Experience publishing mobile apps (App Store / Play Store) is a plus.
• Familiarity with Elasticsearch, OpenSearch, SOLR, or Vespa.
• Strong problem-solving skills, ability to work independently, and maturity to own deliverables.
• Excellent communication and collaboration skills in a deadline-driven environment.We offer:
• Competitive salary.
• Major medical insurance from day one.
• 15 days of PTO (paid time off) starting on your first day.
• Growth and development opportunities within an expanding team.
• Mentorship, learning, and continuous education programs.
• Monthly employee events.