Senior Full Stack Java - React Developer

Encora10

Costa Rica (Latin America) Remote permanent

Posted: February 27, 2026

Quick Summary

As a Senior Full Stack Java - React Developer in Costa Rica, you will be responsible for designing, developing, and maintaining high-quality software solutions, collaborating with cross-functional teams to understand business requirements and translate them into scalable and efficient software applications.

Required Skills

Job Description

Important Information

Location: Costa Rica

Work Mode: Hybrid

Job Summary

As a Senior Full Stack Java - React Developer (19985), you will be responsible for designing, developing, and maintaining high-quality software solutions. You will collaborate with cross-functional teams to understand business requirements and translate them into scalable and efficient software applications. Your role will involve leading technical projects, mentoring junior engineers, and continuously improving software development practices to ensure the delivery of robust and reliable software systems. 

Responsibilities and Duties

• Design, develop, and maintain scalable full-stack applications using React, TypeScript, Java, and Spring Boot across frontend and backend layers

• Architect and implement robust RESTful APIs, real-time data integrations, and high-performance backend services with proper caching and optimization strategies

• Build modern, responsive, and highly interactive user interfaces, integrating streaming data, advanced search, and filtering capabilities

• Contribute to system design decisions, code reviews, CI/CD pipelines, and cloud-native deployments while ensuring high engineering standards and best practices

Qualifications and Skills

• 5+ years of professional software development experience with strong full-stack expertise in both frontend and backend

• Advanced proficiency in React, TypeScript, and modern JavaScript (ES6+), including strong CSS skills (Flexbox, Grid, responsive design)

• Experience with UI frameworks such as MUI, Tailwind, or Ant Design, and solid frontend testing experience

• Strong expertise in Java and Spring Boot, designing and building scalable, secure RESTful APIs

• Experience with relational databases (MySQL, PostgreSQL) and NoSQL databases (MongoDB, Redis)

• Strong understanding of system design principles, caching mechanisms, and performance optimization in distributed systems

• Experience integrating REST APIs and real-time or streaming data solutions

• Hands-on experience with message brokers such as Kafka and search technologies like Elasticsearch

• Experience working with Kubernetes and cloud platforms (AWS preferred; GCP, Azure, or OCI acceptable)

• Strong knowledge of Git and GitHub workflows (branching strategies, pull requests, code reviews) and CI/CD pipelines including GitHub Actions

About Encora

Encora is a global company that offers Software and Digital Engineering solutions. Our practices include Cloud Services, Product Engineering & Application Modernization, Data & Analytics, Digital Experience & Design Services, DevSecOps, Cybersecurity, Quality Engineering, AI & LLM Engineering, among others. 

At Encora, we hire professionals based solely on their skills and do not discriminate based on age, disability, religion, gender, sexual orientation, socioeconomic status, or nationality.

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