Role Description Who we are: At UST, we help the world’s best organizations grow and succeed through transformation. Bringing together the right talent, tools, and ideas, we work with our clients to co-create lasting change. Together, with over 30,000 employees in 30+ countries, we build for boundless impact, touching billions of lives in the process. Visit us at UST.com. Summary UST is looking for a Senior Java Developer to design, build, and support secure, cloud-native Java and Spring Boot applications, microservices, and REST APIs on AWS. The ideal candidate leads solutions from technical design through production operations and brings a strong focus on security, resilience, and observability. The Chance

Job Description
Design, build, test, deploy, and support Java and Spring Boot applications, microservices, secure REST APIs, and web interfaces. You will lead solutions from technical design through production operations, including AWS modernization, API integrations, reliability, observability, and performance improvements. You will apply security controls and resilient service patterns, strengthen automated testing and CI/CD, troubleshoot production issues, and document technical decisions while working with product, architecture, security, and platform teams. Key Roles & Responsibilities
• Design, build, test, deploy, and support Java and Spring Boot applications, microservices, and secure REST APIs.
• Build web interfaces alongside backend services where needed.
• Lead solutions from technical design through production operations.
• Drive AWS modernization of applications and services.
• Design and implement API integrations with partner systems, platforms, and downstream services.
• Apply security controls and resilient service patterns across applications and APIs.
• Improve reliability, observability, and performance of production systems.
• Strengthen automated testing and CI/CD pipelines.
• Troubleshoot production issues and drive root-cause analysis and permanent fixes.




• Document technical decisions, architecture, and operational processes.
• Work with product, architecture, security, and platform teams to deliver solutions. What You Need Required

Skills:
• Strong hands-on experience with modern Java, preferably Java 17 or later, and Spring Boot.
• Experience designing, building, and operating REST APIs, microservices, and distributed systems in production.
• Practical experience building cloud-native or containerized applications on AWS.
• Knowledge of API security, including OAuth 2.0, JWT, authentication, authorization, encryption, secrets management, input validation, and secure coding.
• Strong API design skills, including versioning, backward compatibility, idempotency, validation, error handling, and traffic protection.
• Experience with fault-tolerant design, resilience patterns, automated testing, CI/CD, production troubleshooting, observability, and performance analysis.
• Proficiency with Git, Maven, Linux or Unix, build automation, and debugging tools.
• Ability to lead complex engineering work, assess trade-offs, and communicate with technical and non-technical stakeholders. Desired Skills
• Experience with Apigee or AWS API Gateway, and AWS ECS.
• Experience with relational databases and SQL.
• Experience with TypeScript alongside Vue.js or React.
• Experience with Terraform, Jenkins, or similar tools.
• Experience with Splunk, Dynatrace, or Okta.
• Experience with legacy modernization or multi-region systems.
• Experience with event-driven architectures.




• Experience with regulated systems that handle sensitive consumer data.
• Experience with AI-enabled development.
• Familiarity with coding agents or AI-assisted tools, including reviewing generated code for security and correctness. Qualification
• Bachelor’s degree in Computer Science or a related field, or equivalent practical experience. What We Believe We’re proud to embrace the same values that have shaped UST since the beginning. Since day one, we’ve been building enduring relationships and a culture of integrity. And today, it’s those same values that are inspiring us to encourage innovation from everyone, to champion diversity and inclusion, and to place people at the centre of everything we do. Humility: We will listen, learn, be empathetic, and help selflessly in our interactions with everyone. Humanity: Through business, we will better the lives of those less fortunate than ourselves. Integrity: We honour our commitments and act with responsibility in all our relationships. Equal Employment Opportunity Statement UST is an Equal Opportunity Employer. We believe that no one should be discriminated against because of their differences, such as age, disability, ethnicity, gender, gender identity and expression, religion, or sexual orientation. All employment decisions shall be made without regard to age, race, creed, colour, religion, sex, national origin, ancestry, disability status, veteran status, sexual orientation, gender identity or expression, genetic information, marital status, citizenship status, or any other basis protected by federal, state, or local law. UST reserves the right to periodically redefine your roles and responsibilities based on the requirements of the organization and/or your performance.
• To support and promote the values of UST.
• Comply with all Company policies and procedures. Skills AWS, Amazon API Gateway, Amazon ECS, Apigee, Authentication and Authorization, CI/CD, Containerization, Debugging, Application Security

📌 Lead II (Bengaluru)
🏢 UST
📍 Bengaluru