Java Backend Developer

About the role

UST is seeking a Java Backend Developer Lead II to join a multi-vendor, multi-geo team working on a NextGen High Scale Enterprise Platform. Key responsibilities include designing, developing, and maintaining robust Java-based applications, implementing scalable microservices architecture, and collaborating with cross-functional teams.

Responsibilities

• Design, develop, and maintain robust Java-based applications using strong object-oriented programming principles and industry-standard design patterns.
• Build and implement scalable microservices architecture, ensuring high availability, fault tolerance, and performance optimization.
• Develop Spring Boot applications with expertise in Dependency Injection (Spring Core), RESTful API development, ORM frameworks (Hibernate/JPA), and design and consume REST APIs for seamless integration between services and external systems.
• Deploy and manage applications on Microsoft Azure, including Azure App Service, Azure Functions, Azure SQL Database / Cosmos DB.
• Implement and follow CI/CD pipelines using tools like Azure DevOps/Jenkins for Automated builds, Unit & integration testing, Continuous deployment, and collaboration with Dev, QA, DevOps teams.
• Perform code reviews, debugging, and troubleshooting of complex technical issues in real-time.
• Participate in hands-on coding exercises and problem-solving sessions, demonstrating strong logical thinking and analytical skills.
• Ensure adherence to coding standards, best practices, and security guidelines throughout the development lifecycle.
• Effectively communicate technical concepts, project updates, and solutions to both technical and non-technical stakeholders.
• Continuously learn and adopt new tools, frameworks, and cloud best practices to improve system design and development efficiency.

Requirements

• Experience range: 6-10 years
• Mandatory: Java, Spring Boot, Kafka, Rest API, SQL, Cosmos DB (or any NoSQL)
• Nice to have: Azure or GCP experience, Kubernetes

Skills and experiences

• 5-6 years hands on experience in Java development at enterprise level (recent).
• Experience in working Java Version 18 or above is mandatory.
• 3-4 years of hands-on experience with Kafka.
• Strong programming skills in Java, including object-oriented programming principles, design patterns, and familiarity with Java frameworks.
• Understanding of microservices architecture and experience in building and deploying microservices-based applications.
• Hands-on experience in developing Spring Boot applications, including dependency injection, ORM (Object-Relational Mapping), and REST API development.
• Knowledge of Microsoft Azure cloud platform, including Azure App Service, Azure Functions, Azure SQL or Cosmos DB.
• Familiarity with Continuous Integration (CI) and Continuous Deployment (CD) practices, including automated testing, build pipelines, and deployment strategies.
• Proficiency in writing SQL queries as per industrial standards, fine-tuned for optimization.
• Strong problem-solving abilities, good communication (written & verbal) skills, and the ability to work effectively in a team.

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), 10 paid holidays, and are eligible for paid bereavement leave and jury duty.
• Eligible to participate in the Company’s 401(k) Retirement Plan with employer matching.
• Eligible to participate in medical, dental, and vision insurance, as well as the following Company-paid Employee Only benefits: basic life insurance, accidental death and disability insurance, and short- and long-term disability benefits.
• Regular employees may purchase additional voluntary short-term disability benefits, and participate in a Health Savings Account (HSA) as well as a Flexible Spending Account (FSA) for healthcare, dependent child care, and/or commuting expenses as allowable under IRS guidelines.
• Benefits offerings vary in Puerto Rico.