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Senior Full Stack Developer (Java + React)

Sigma Software

Posted 2 days ago

Job Description

  • Design, develop, and implement large-scale distributed systems to handle substantial data volumes, ensuring scalability, low latency, and fault tolerance
  • Implement APIs and event-driven solutions to meet system requirements and enhance functionality
  • Create and execute comprehensive unit tests, API tests, regression tests, and performance tests to ensure the reliability and efficiency of the system
  • Utilize modern frontend frameworks like React for web development
  • Optimize solutions for scalability, reliability, and high performance
  • Collaborate closely with cross-functional teams to promptly address and resolve production incidents, ensuring minimal downtime and swift recovery

Qualifications

  • 5+ years of experience in software development with object‑oriented programming languages, specifically Java
  • Solid hands-on experience with frontend frameworks, specifically React
  • Extensive experience in building multi‑tier web applications and creating REST APIs
  • Strong understanding of OOP principles, design patterns, algorithms, and data structures
  • Practical knowledge of cloud platforms like AWS, Google Cloud, or Azure
  • Experience with CI/CD pipelines and containerization tools like Docker or Kubernetes
  • Familiarity with both relational and NoSQL databases such as HBase, Cassandra, MongoDB, Redshift
  • Hands‑on experience in Linux/Unix environments
  • Strong analytical and problem-solving skills
  • At least an Upper-Intermediate level of English

WILL BE A PLUS

  • Experience with GraphQL
  • Understanding of high-load system optimizations in the E-commerce domain

Additional Information

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Job details

Workplace

Hybrid

Location

São Paulo, SP, Brazil

Experience

SE

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