Senior Java Backend Developer

Job Description

We are seeking a highly skilled Senior Java Backend Developer to design, develop, and maintain scalable backend services supporting a global retail and eCommerce platform. The ideal candidate will have extensive experience building cloud-native, event-driven applications and distributed systems capable of handling high-volume online transactions and retail operations.

The successful candidate will be responsible for developing high-performance microservices, designing resilient RESTful APIs, integrating with enterprise systems, and ensuring the scalability, reliability, and security of mission-critical backend applications.

Required Skills & Qualifications

• 10+ years of hands-on experience in Java backend development.
• Strong proficiency in Java 11/17, Spring Boot, and the Spring Framework.
• Experience with Python or Node.js/TypeScript is a plus.
• Strong expertise in designing and developing Microservices Architecture.
• Hands-on experience building scalable, secure RESTful APIs.
• Solid understanding of distributed systems and cloud-native application architecture.
• Experience implementing resiliency patterns such as retries, idempotency, circuit breakers, and eventual consistency.
• Strong experience with event-driven architecture and messaging platforms such as Apache Kafka.
• Experience working with relational databases including MySQL and Oracle, as well as NoSQL databases such as DynamoDB.
• Strong understanding of database design, query optimization, indexing, and performance tuning.
• Hands-on experience with AWS Cloud services, including Lambda, S3, RDS, and other cloud-native services.
• Experience with Docker and Kubernetes for containerization and orchestration.
• Experience implementing and maintaining CI/CD pipelines.
• Proficiency with GitHub and modern version control practices.
• Strong understanding of Object-Oriented Programming (OOP), design patterns, and software engineering best practices.
• Experience working in Agile/Scrum development environments.
• Excellent analytical, troubleshooting, communication, and collaboration skills.

Preferred Qualifications

• Experience in Retail or eCommerce domain.
• Hands-on experience integrating with Shopify APIs or similar commerce platforms.
• Experience working with Order Management Systems (OMS).
• Experience integrating with Enterprise Resource Planning (ERP) systems.
• Experience developing solutions for Retail Point-of-Sale (POS) systems.
• Experience building and supporting high-volume, customer-facing applications with a strong focus on scalability, performance, and reliability.

Donato Technologies Inc. is a trusted IT staffing, consulting, and software development partner headquartered in Dallas, Texas. We support clients across industries by understanding their unique business needs and delivering tailored technology and workforce solutions. Our focus is on connecting the right talent with the right opportunity-ensuring clients receive dependable, skilled professionals and candidates receive meaningful career growth and support. We work closely with small to mid-sized organizations to provide flexible, high-quality services that drive performance, innovation, and long-term success.