Senior Full Stack Java - React Developer

Costa RicaFull-TimeSeniorFull-stack

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Design and develop end-to-end full-stack solutions using React, TypeScript, Java, and Spring Boot, ensuring scalability, performance, and maintainability
Architect and implement RESTful APIs and real-time data integrations while optimizing backend performance, caching strategies, and system reliability
Build modern, responsive, and highly interactive user interfaces, integrating streaming data, search capabilities, and advanced filtering experiences
Collaborate in code reviews, CI/CD processes, and cloud-native deployments, contributing to high engineering standards and continuous delivery practices

5+ years of full-stack development experience including strong frontend and backend expertise
Advanced proficiency in React, TypeScript, and modern JavaScript (ES6+), with strong CSS skills (Flexbox, Grid, responsive design)
Experience with UI frameworks such as MUI, Tailwind, or Ant Design, and frontend testing frameworks
Strong backend expertise in Java and Spring Boot, designing and building secure, scalable RESTful APIs
Solid experience with relational databases (MySQL, PostgreSQL) and NoSQL solutions (MongoDB, Redis)
Strong understanding of system design principles, caching strategies, and performance optimization in distributed systems
Experience working with message brokers such as Kafka and implementing asynchronous communication patterns
Hands-on experience with search technologies such as Elasticsearch and building advanced search/filtering interfaces
Experience with cloud-native environments (AWS preferred; GCP, Azure, or OCI acceptable), Kubernetes, CI/CD pipelines, and GitHub Actions
Nice to have: experience building AI-powered applications (Spring AI, LLM integrations, RAG architectures, vector search), Node.js for tooling or APIs, and working knowledge of Python