Full Stack Developer

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. You will build user-facing features using React and power them with backend microservices using Python or Node.js.

The opportunity:

• Frontend Development: Build modular, responsive, and highly interactive user interfaces using React JS, Redux/Context API, and modern CSS frameworks.

• Backend Development: Design and scale robust backend services and microservices using either Python (FastAPI, Django, Flask) or Node.js (Express, NestJS).

• Secure API Development: Architect and secure RESTful or GraphQL APIs, ensuring strict protection against vulnerabilities like injection and broken object-level authorization.

• Cloud Infrastructure: Deploy and manage application components natively within AWS using containerized environments.

• DevOps Integration: Own and manage deployment workflows by writing Infrastructure as Code (IaC) and building automated CI/CD validation gates.

• Data Management: 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:

• Required Skills & Technologies 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, CloudWatch, RDS Security OAuth 2.0, OIDC, JWT, IAM policies, CORS configuration, encryption (HTTPS, KMS) DevOps Docker, Git, GitHub Actions/GitLab CI, Terraform or AWS CloudFormation Databases PostgreSQL or MySQL, and DynamoDB or MongoDB Required Security Practices (Crucial Focus) Secure API Design: Implementing rigorous input validation, output encoding, and strict rate-limiting to prevent

• Denial of Service (DoS) attacks.

• Authentication & Authorization: Enforcing secure identity management with token-based authentication and

• Role-Based Access Control (RBAC). Secrets Management: Preventing hardcoded credentials by using secure storage tools like AWS Secrets Manager or Systems Manager Parameter Store.

• Security Scanning: Utilizing automated tools within the CI/CD pipeline to scan code for vulnerabilities and dependency flaws before deployment.

Years of Experience: 8-10 years of professional full-stack software development experience in a production environment.

• Architecture Understanding: Strong grasp of serverless architectures, event-driven systems, and microservices patterns.

• Testing Rigor: Experience writing comprehensive unit, integration, and end-to-end tests for both frontend and backend systems.

3.73.7 out of 5 stars Chicago, IL Remote $82,000 - $123,000 a year, Pulled from the full job description

• Health insurance
• 401(k) matching
• Vision insurance
• Health savings account
• Dental insurance
• Paid sick time
• Paid jury duty, 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., Compensation range: $82,000.00 to $123,000.00 per year

Born digital, UST transforms lives through the power of technology. We walk alongside our clients and partners, embedding innovation and agility into everything they do. We help them create transformative experiences and human-centered solutions for a better world.

UST is a mission-driven group of 29,000+ practical problem solvers and creative thinkers in more than 30 countries. Our entrepreneurial teams are empowered to innovate, act nimbly, and create a lasting and sustainable impact for our clients, their customers, and the communities in which we live.

With us, you’ll create a boundless impact that transforms your career-and the lives of people across the world., We proudly embrace the values that have shaped UST since day one. We build our culture of Humility, Humanity, and Integrity. These values inspire us to nurture a people-first, human centric culture that fosters diversity, prioritizes sustainable solutions, and keeps our people and clients at the forefront of all decisions., UST is a global digital transformation solutions provider. For more than 20 years, UST has worked side by side with the world’s best companies to make a real impact through transformation. Powered by technology, inspired by people and led by purpose, UST partners with their clients from design to operation. With deep domain expertise and a future-proof philosophy, UST embeds innovation and agility into their clients’ organizations. With over 30,000 employees in 30 countries, UST builds for boundless impact-touching billions of lives in the process.