Full Stack Developer

Full Stack Developer The Role UST is searching for a Full Stack Developer to design, build, and maintain secure, high-performance web applications. In this role, you will work on everything from responsive user interfaces to scalable backend services. What You’ll Do

• Build modular, responsive, and highly interactive user interfaces using React JS, Redux/Context API, and modern CSS frameworks.
• Design and scale robust backend services and microservices using either Python (FastAPI, Django, Flask) or Node.js (Express, NestJS).
• Architect and secure RESTful or GraphQL APIs, ensuring strict protection against vulnerabilities like injection and broken object-level authorization.
• Deploy and manage application components natively within AWS using containerized environments.
• Own and manage deployment workflows by writing Infrastructure as Code (IaC) and building automated CI/CD validation gates.
• Write optimized queries and design schemas for both relational databases (PostgreSQL, MySQL) and NoSQL stores (DynamoDB, MongoDB). This position description identifies the responsibilities and tasks typically associated with the performance of the position. Other relevant essential functions may be required. What You Need
• Experience & Qualifications
• 8-10 years of professional full-stack software development experience in a production environment
• Strong grasp of serverless architectures, event-driven systems, and microservices patterns
• Experience writing comprehensive unit, integration, and end-to-end tests for both frontend and backend systems
• Frontend
• React JS
• JavaScript (ES6+)
• TypeScript
• HTML5
• CSS3
• Webpack/Vite
• Backend
• Python (FastAPI/Django) OR Node.js (Express/NestJS)
• AWS Cloud
• EC2
• S3
• Lambda
• ECS/EKS
• API Gateway
• Cloud. Watch
• RDS
• Security
• OAuth 2.0
• OIDC
• JWT
• IAM policies
• CORS configuration
• Encryption (HTTPS, KMS)
• DevOps
• Docker
• Git
• GitHub Actions/GitLab CI
• Terraform or AWS Cloud. Formation
• Databases
• PostgreSQL or MySQL
• DynamoDB or MongoDB
• Security Practices Location & Compensation 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. Role Location: Remote
• USA Compensation Range: $104,000-$156,000 Who We Are 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 .

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. 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.

Equal Employment Opportunity Statement UST is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other applicable characteristics protected by law.

We will consider qualified applicants with arrest or conviction records in accordance with state and local laws and “fair chance” ordinances. UST reserves the right to periodically redefine your roles and responsibilities based on the requirements of the organization and/or your performance. #UST #CB #LI-AP6 #LI-Remote