Senior/Lead Software Engineer (Full Stack)

UST is searching for a Senior Software Engineer who can build Java-based services and modern frontend applications. You have to lead features endtoend and work effectively in a fastpaced environment.

What You’ll Do

• Lead features end-to-end and work effectively in a fast-paced environment.

• Build Java-based, scalable, resilient, and fault-tolerant microservices.

• Build modern frontend applications.

• Develop APIs (REST, GraphQL, event-driven architectures) and generate Swagger documentation.

• Implement observability, including metrics, logs, distributed tracing, and auditing.

• Deploy and orchestrate containerized services, especially with ECS, Fargate, and cloud-native deployment patterns.

• Integrate AI/ML services such as Amazon Bedrock.

This position description identifies the responsibilities and tasks typically associated with the performance of the position. Other relevant essential functions may be required.

• Exceptional expertise in building Java-based, scalable, resilient, and fault-tolerant microservices and knowledge of distributed systems.

• Proficiency with AI-assisted code-generation tools, including Copilot, Cursor, etc.

• Good AWS experience, including hands-on work with core cloud services.

• Hands-on experience with modern UI frameworks, such as Next.js, Nuxt.js, React, Vue, Astro, or Svelte. Any one of them.

• Strong API development skills, including REST, GraphQL, and event-driven architectures & generate Swagger.

• Observability expertise using tools like Splunk or Dynatrace, with a solid understanding of metrics, logs, and distributed tracing & auditing.

• Containerization and orchestration experience, especially with ECS, Fargate, and cloud-native deployment patterns.

• Familiarity with Amazon Bedrock or similar AI/ML service integrations.

• Key technical skills: Backend: Java, Spring Boot, Spring Cloud, Apache Camel, Spring AI. Frontend: Next.js, Nuxt.js, React, Vue, Astro, Svelte. Cloud: AWS (ECS, Fargate, Bedrock, IAM, VPC, serverless components). APIs: REST, GraphQL, event-driven messaging. Observability: Splunk, Dynatrace. Other: Microservices architecture, distributed systems, AI-assisted development tools like GitHub Copilot.

• AWS Solutions Architect certification is preferred. (Preferred)

• Familiarity with Docker and Docker Compose. (Preferred)

Compensation can differ depending on factors including but not limited to the specific office location, role, skill set, education, and level of experience. UST provides a reasonable range of compensation for roles that may be hired in various U.S. markets as set forth below., 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. They are eligible to participate in the Company’s 401(k) Retirement Plan with employer matching. They and their dependents residing in the US are eligible for 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.

Part-time employees receive 6 days of paid sick leave each year (pro-rated for new hires throughout the year) and are eligible to participate in the Company’s 401(k) Retirement Plan with employer matching.

Full-time temporary employees receive 6 days of paid sick leave each year (pro-rated for new hires throughout the year) and are eligible to participate in the Company’s 401(k) program with employer matching. They and their dependents residing in the US are eligible for medical, dental, and vision insurance.

Part-time temporary employees receive 6 days of paid sick leave each year (pro-rated for new hires throughout the year).

All US employees who work in a state or locality with more generous paid sick leave benefits than specified here will receive the benefit of those sick leave laws.

Since 1999, UST has worked side by side with the world’s best companies to make a powerful impact through transformation. Headquartered in the United States, UST is powered by technology, driven by AI, inspired by people, and led by our purpose, we partner with our clients from design to operation. Our AI-driven digital solutions, proprietary platforms, engineering, R&D, products, and innovation ecosystem turn core challenges into impactful, disruptive business outcomes. With deep industry knowledge and a future-ready mindset, we infuse expertise, innovation, and agility into our clients’ organizations-delivering measurable value and positive lasting change for them, their customers, and communities around the world. Together, with 30,000+ employees in 30+ countries, we build for boundless impact-touching billions of lives in the process. Visit us at .