Senior Full Stack Developer (Java + ReactJS)

Sigma Software; Brasília; Presencial; BRL 160.000 - 200.000; Tempo integral

Resumo da oferta

A leading tech company in Brazil is seeking a Senior Full Stack Developer skilled in Java and ReactJS to join their team. In this full-time role, you will design and implement scalable systems for a top pet products marketplace, utilizing your expertise to influence product success. Responsibilities include developing APIs, ensuring system reliability through testing, and collaborating with teams to address production incidents. This is an opportunity to contribute to a high-impact project in the e-commerce industry.

Qualificações

• 5+ years of experience in software development with Java.
• Experience building multi-tier web applications and REST APIs.
• Upper-Intermediate level of English is required.

Responsabilidades

• Design, develop, and implement large-scale distributed systems.
• Implement APIs and event-driven solutions for system requirements.
• Collaborate with cross-functional teams to resolve incidents.

Conhecimentos

Java

ReactJS

API development

OOP principles

Problem-solving

Collaboration

Ferramentas

Spring Framework

Cloud platforms (AWS, Google Cloud, Azure)

SQL and NoSQL databases

Descrição da oferta de emprego

Overview

Senior Full Stack Developer (Java + ReactJS) — Full-time

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. The company serves a wide audience of pet owners, offering everything from food and accessories to healthcare products.

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
• Optimize solutions for scalability, reliability, and performance
• Collaborate with cross-functional teams to resolve production incidents quickly

Qualifications

• 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