Developer III - Software Engineering
Confirmed on the employer's own hiring board on Nov 11, 2026. First seen by Alion on Nov 3, 2026. UST scores B on the Alion truth index.
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 Software Engineer (Java and Spring Boot) to design, build, and operate secure, cloud-native applications and microservices on AWS. The ideal candidate owns technical solutions from architecture and API design through production operation, builds resilient and well-tested integrations, and provides technical guidance to other engineers.
The Opportunity:
Job Description
Design, develop, test, deploy, and maintain Java and Spring Boot applications, microservices, and secure REST APIs. You will own solutions from architecture and API design through implementation, deployment, and production operation, and modernize cloud-native applications on AWS to improve scalability, resilience, and operational readiness. You will also integrate with API gateways, identity providers, databases, and partner systems, and lead root-cause analysis when complex issues arise.
Key Roles & Responsibilities:
What you need:
Required Skills:
Desired Skills:
- Experience with Apigee, AWS API Gateway, or another enterprise API-management platform.
- Experience deploying and operating services using AWS ECS.
- Experience with Terraform, Jenkins, or comparable infrastructure and delivery automation tools.
- Experience with Splunk, Dynatrace, Okta, or comparable observability and identity platforms.
- Experience modernizing legacy applications or designing highly available, multi-region systems.
- Experience with event-driven architectures, messaging platforms, or asynchronous processing.
- Experience with cryptography and secure payload patterns, such as ECDH, ECDSA, HPKE, JWE, digital signatures, or key management.
- Experience developing software for regulated environments or systems that process sensitive consumer data.
- Experience developing AI-enabled solutions using large language models, retrieval-augmented generation, intelligent automation, or related technologies.
- Practical experience using AI-assisted development tools, with the ability to review generated code and validate security, correctness, and engineering quality.
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.