About this role
Senior Full Stack Developer to join Sigma Software on a cutting-edge pet products marketplace. You will contribute to scalable, high-performance systems and work on a platform designed to serve millions of customers, with Java and React as core technologies, including catalogs, pricing, and inventory management in distributed, fault-tolerant architecture.
What You'll Do
- 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 reliability and efficiency
- 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
What We're Looking For
- 5+ years of experience in software development with object-oriented programming languages, specifically Java
- Solid hands-on experience with frontend frameworks, specifically React
- Extensive experience in building multi-tier 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
- Hands-on experience in Linux/Unix environments
- Strong analytical and problem-solving skills
- At least an Upper-Intermediate level of English
- Understanding of high-load system optimizations in the E-commerce domain
Nice to Have
- GraphQL experience