Are you passionate about building scalable distributed systems that power high-traffic digital platforms? We are looking for a Senior Java Developer to join a large-scale E-commerce project focused on delivering reliable and customer-centric experiences for millions of pet owners. This is a full-time remote opportunity based in Brazil.
We at Sigma Software create innovative software solutions for global businesses and support engineers who enjoy solving complex technical challenges in collaborative international teams. In this role, you will contribute to the development of cloud-native backend systems with strong emphasis on scalability, reliability, and performance.
Why join us? You will work with modern technologies, influence architectural decisions, and contribute to a customer-facing platform while growing in a remote-first environment with professional development opportunities.
CUSTOMER
Our Customer is one of the leading online marketplaces for pet products in the United States. Founded in 2011, the company is widely recognized for its customer-centric approach, extensive product catalog, and technology-driven shopping experience for pet owners. Chewy serves millions of customers by providing food, healthcare products, accessories, and services for pets while continuously investing in scalable digital commerce solutions and innovative customer engagement platforms.
PROJECT
The project focuses on developing a customer-facing platform for a large-scale pet products marketplace. The team is building high-performance, highly available, and scalable distributed systems designed to enhance customer engagement and optimize the online shopping experience for pet owners. The platform leverages modern cloud-native technologies, event-driven architecture, and robust backend services to support large-scale traffic and operational reliability.
Job Description- Design, develop, and implement large-scale distributed systems capable of handling substantial data volumes
- Build scalable, fault-tolerant, and low-latency backend services
- Architect and implement APIs and event-driven solutions
- Diagnose and resolve complex production issues across services and infrastructure layers
- Develop and execute unit, API, regression, and performance tests
- Collaborate with cross-functional teams to ensure rapid incident resolution and system reliability
- Participate in architecture discussions and contribute to engineering best practices
- Optimize system scalability, availability, and operational performance
- Support continuous improvement of CI/CD and deployment processes
- 7+ years of software development experience
- Strong proficiency in Java and Spring Boot
- Experience with Kafka or other event streaming solutions
- Familiarity with AWS and EKS
- Strong knowledge of CI/CD pipelines and related tools
- Hands-on experience designing and deploying scalable, highly available distributed systems
- Strong understanding of event-driven architectures
- Experience working with SQL and NoSQL databases
- Familiarity with cloud platforms such as AWS, Azure, or Google Cloud
- Strong analytical and problem-solving skills
- Excellent communication and collaboration skills
- English level: Advanced (C1) or higher
Skills Required
- 7+ years of software development experience
- Strong proficiency in Java and Spring Boot
- Experience with Kafka or other event streaming solutions
- Familiarity with AWS and EKS
- Strong knowledge of CI/CD pipelines and related tools
- Hands-on experience designing and deploying scalable, highly available distributed systems
- Strong understanding of event-driven architectures
- Experience with SQL and NoSQL databases
- Familiarity with cloud platforms such as AWS, Azure, or Google Cloud
- Strong analytical and problem-solving skills
- Excellent communication and collaboration skills
- Advanced English proficiency at C1 level or higher
What We Do
Sigma Software Group, an award-winning and trusted IT partner, has been serving customers for over 21 years, providing comprehensive IT solutions to various businesses, ranging from startups to established software product houses. As one of Europe's substantial IT consultancies, it brings together a dedicated workforce of over 2,100 professionals in 40 offices across 19 countries. With a diverse client base, including more than 300 enterprises, including Fortune 500 stalwarts, Sigma Software Group is a preferred choice for developing solutions that help businesses create cutting-edge products while meeting their unique needs. Sigma Software Group operates as a dynamic ecosystem of tech companies, offering 25 ready-to-implement innovative products and 40+ value-added services. Furthermore, Sigma Software Group is committed to fostering innovation through initiatives such as the Sigma Software Labs business incubator, Sigma Software University, the SID Venture Partners VC Fund, UA Tech Network, Techosystem, the European Business Association, and other collaborative efforts. Since 2015, Sigma Software Group has consistently earned recognition on the IAOP's prestigious World's Top 100 Outsourcing list. The company's accomplishments have also been acknowledged by prominent global media outlets such as Forbes, CNBC, The Times, and Reuters
