Senior Java Software Engineer

Are you passionate about building high-performance, scalable systems? We at Sigma Software are looking for a Senior Java Developer to join our team and work on an innovative platform for a leading pet products marketplace. This is a full-time role with the flexibility to work remotely from anywhere in Brazil.

As a Senior Java Developer, you will be part of a dynamic, cross-functional team delivering cutting-edge solutions that enhance customer engagement and revolutionize the shopping experience for pet lovers.

Why join us?

At Sigma

Software, you will work with modern technologies, contribute to impactful projects, and enjoy a supportive environment that values professional growth and innovation. CUSTOMER

Our client is a leading marketplace specializing in pet products, serving millions of pet owners worldwide. Known for its innovative approach to e-commerce, the company offers a vast range of products and services tailored to enhance the lives of pets and their owners. With a strong focus on customer engagement and seamless shopping experiences, they are recognized as a top-tier player in the pet retail industry.

PROJECT The project involves developing a customer-focused platform designed to revolutionize the shopping experience for pet lovers. This platform will enhance customer engagement, streamline product discovery, and improve access to a wide range of pet products. Job Description

Design, develop, and implement large-scale distributed systems capable of handling substantial data volumes with scalability, low latency, and fault tolerance

Architect and implement APIs and event-driven solutions to meet system requirements and enhance functionality

Diagnose and resolve complex production issues across services and technology stack, delivering both code and data fixes

Create and execute comprehensive unit, API, regression, and performance tests to ensure system reliability and efficiency

Collaborate closely with cross-functional teams to address and resolve production incidents promptly, ensuring minimal downtime Qualifications

7+ years of experience in software development

Proficiency in Java with expertise in frameworks such as Spring Boot WebFlux and Hibernate (AuroraDB)

Hands-on experience with GraphQL

Familiarity with AWS and EKS

Strong knowledge of CI/CD pipelines and related tools

Experience designing, building, and deploying scalable, highly available systems

Knowledge of event-driven architectures and at least one event streaming solution (e.g., Kafka, SNS)

Proficiency in SQL and NoSQL databases

Familiarity with cloud platforms such as AWS, Azure, or Google Cloud

Strong analytical and problem-solving skills

Excellent communication skills, with English proficiency at C1 level or higher WILL BE A PLUS

Experience with microservices architecture

Experience with containerization tools such as Docker

Familiarity with monitoring tools like Prometheus and Grafana

Prior work in e-commerce or marketplace platforms