What we offerVacanciesSenior Full Stack Developer

Senior Full Stack Developer (Java + ReactJS)

Argentina Brazil Colombia Latin America Mexico Java React
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Required skills

Java / expert
React / strong
Clouds / strong
SQL/NoSQL / strong
English / expert

Are you a Senior Full Stack Developer who thrives on building scalable, high-performance systems? Join us at Sigma Software and contribute to a cutting-edge platform for a leading pet products marketplace — a solution designed to serve millions of customers and transform the way pet owners shop online.

In this role, you will be part of a skilled, collaborative team working with modern technologies to create a robust, customer-focused product that stands out in the e-commerce space.

Why join us? You’ll be working on a high-impact project where your ideas and technical decisions will directly influence product success and user experience.

Customer

Our Customer is a leading marketplace specializing in pet products, known for its extensive catalog and strong online presence. With a commitment to quality and customer satisfaction, the company serves a wide audience of pet owners, offering everything from food and accessories to healthcare products.

Requirements

  • 5+ years of experience in software development with Java
  • Experience in building multi-tier web applications and creating REST APIs
  • Strong understanding of OOP principles, design patterns, algorithms, and data structures
  • Experience with ReactJS for designing maintainable, scalable UI systems
  • Familiarity with Spring Framework
  • Hands-on experience in Linux/Unix environments
  • Practical knowledge of cloud platforms (AWS, Google Cloud, or Azure)
  • Familiarity with SQL and NoSQL databases (HBase, Cassandra, MongoDB, Redshift)
  • Upper-Intermediate level of English

Personal Profile

  • Strong problem-solving skills and attention to detail
  • Ability to work independently
  • Excellent communication and collaboration skills

Responsibilities

  • Design, develop, and implement large-scale distributed systems with scalability, low latency, and fault tolerance
  • Implement APIs and event-driven solutions to meet system requirements and enhance functionality
  • Create and execute unit, API, regression, and performance tests to ensure system reliability
  • Develop modern web interfaces using React
  • Optimize solutions for scalability, reliability, and performance
  • Collaborate with cross-functional teams to resolve production incidents quickly
Meet your team!

WHY US

  • Diversity of Domains & Businesses
  • Variety of technology
  • Health & Legal support
  • Active professional community
  • Continuous education and growing
  • Flexible schedule
  • Remote work
  • Outstanding offices (if you choose it)
  • Sports and community activities

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