Java Backend Developer

About the role

UST is seeking experienced Java backend developers to join a multi-vendor, multi-geo team building a NextGen high-scale enterprise application. Key responsibilities include handling device communication protocols, ensuring high availability, designing RESTful APIs, implementing event-driven architectures, deploying services using Docker/Kubernetes, and managing CI/CD pipelines.

Responsibilities

• Handle device communication protocols, data exchange, and real-time event processing
• Ensure high availability and fault tolerance in device interactions
• Design RESTful APIs for device orchestration and enterprise integration
• Implement event-driven architecture using Kafka / ActiveMQ for real-time device events
• Deploy and manage services using Docker/Kubernetes, and Helm
• Build CI/CD pipelines with automated deployment strategies
• Work with Cloud services and API Gateway for scalable integrations
• Develop unit and integration tests using JUnit and Mockito
• Perform end-to-end validation of hardware-software workflows

Requirements

• Bachelor’s degree in computer science or a related field
• 9+ years of experience with hands-on experience in software/system design, development, testing, and troubleshooting of complex backend Java programs
• Strong expertise in Java (17+)
• Microservices & REST API design
• Experience with Monitoring tools (Prometheus, Grafana), Logging, and incident management
• Comfortable working in Linux environments
• Strong problem-solving abilities, good communication (written & verbal) skills, and the ability to work effectively in a team

Qualifications

• Experience with SQL, BigQuery, and Looker
• Comfortable working in cloud environments
• Ability to articulate past projects and perform on-the-fly troubleshooting

Skills

• Java
• Kafka
• Mockito
• REST API
• BigQuery
• Looker
• SQL
• Linux
• Docker
• ActiveMQ
• Kubernetes
• JUnit
• Prometheus
• Grafana
• CI/CD pipelines

Benefits

• Full-time, regular employees accrue a minimum of 10 days of paid vacation per year, receive 6 days of paid sick leave each year (pro-rated for new hires throughout the year), and are eligible for paid holidays, bereavement leave, and jury duty.
• Eligible to participate in the Company’s 401(k) Retirement Plan with employer matching.
• Medical, dental, and vision insurance, and the following Company-paid Employee Only benefits: basic life insurance, accidental death and disability insurance, and short- and long-term disability benefits.
• Eligible to purchase additional voluntary short-term disability benefits, and participate in a Health Savings Account (HSA) and a Flexible Spending Account (FSA) for healthcare, dependent child care, and/or commuting expenses as allowable under IRS guidelines.