Enter a job title or keyword

Senior Full Stack Developer (Java + React)


Job Location:

São Paulo - Brazil

Monthly Salary: Not provided by the employer
Posted: 1 July 2026 (30+ days ago)
Application Deadline: 28 September 2026
Vacancies: 1 Vacancy

Job Summary

  • 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 objectoriented programming languages specifically Java
  • Solid hands-on experience with frontend frameworks specifically React
  • Extensive experience in building multitier 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
  • Handson 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 :

PERSONAL PROFILE:

  • Excellent communication skills and the ability to work with cross-functional teams
  • Strong collaborative mindset and proactive approach to task ownership

Remote Work :

Yes


Employment Type :

Full-time


About Company

Company Logo

At Sigma Software, we are involved with the client’s team to contribute to the design and development of a technical solution for their tokenized domain reservation platform. We started by assigning a software architect to design the smart contracts and integrate blockchain into the s ... View more

View Profile View Profile