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Salary
≈ $42k – $83k per year (Estimated)
Location
In office (Mexico City)
Seniority
Senior · 5+ years exp

Confirmed on the employer's own hiring board on Oct 23, 2026. First seen by Alion on Oct 20, 2026. UST scores B on the Alion truth index.

Overview
Company
Impact
Profile match

UST

UST is a leading global digital technology and transformation services company that provides innovative solutions to enterprise clients worldwide. Headquartered in Aliso Viejo, California, the firm specializes in digital consulting, cloud infrastructure, product engineering, and cybersecurity. Founded in 1998, it partners with major organizations across diverse industries to accelerate technological modernization and build agile, scalable business models.

Senior Software Developer (Full Stack)

Who We Are:

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.

Visit us at UST.com.

You Are:

UST is searching for a highly skilled Senior Software Developer with strong expertise in modern web technologies, MERN Stack development, cloud-native development, and DevOps practices.

The ideal candidate will have 5+ years of experience designing, developing, and maintaining scalable full-stack applications using React.js, Node.js, Express.js, MongoDB, TypeScript, and AWS technologies.

The opportunity:

·Develop and maintain responsive web applications using React.js, Material UI, Vite, and TypeScript.

·Write unit tests with JEST to ensure code quality and reliability. Implement reusable UI components and design patterns using Storybook (nice to have).

··Develop and maintain backend services using Node.js, Express.js, TypeScript, and AWS Lambda.

··Work with MongoDB databases for application development, performance optimization, and data management.

·Debug complex issues in AWS environments efficiently.

·Leverage C# for specific integrations (nice to have).

·Manage infrastructure as code using Terraform, CloudFormation, and other automation tools.

··Implement CI/CD pipelines using Jenkins to ensure streamlined deployments.

··Manage deployment artifacts in S3 and oversee application pipeline management.

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:

·Proven experience in front-end development using React.js, Material UI, and TypeScript.

·Strong expertise in Node.js, Express.js, MongoDB, AWS Lambda, and API development.

··Experience in writing and maintaining unit tests using JEST.

·Familiarity with Vite and Bootstrap (nice to have).

·Proficiency in DevOps practices using Terraform, CloudFormation, and Jenkins.

·Strong debugging skills in AWS environments.

·Excellent problem-solving skills with the ability to work independently and collaboratively.

·Preferred Skills:

··Experience with Storybook for UI development.

··Familiarity with C# for backend integration tasks.

·Familiarity with MongoDB and Express.js in enterprise application development.

·Required Skills:

·React.js

·Node.js

·Express.js

·MongoDB

·TypeScript

·AWS Lambda

·Material UI

·JEST

··Terraform

··CloudFormation

·Jenkins

·CI/CD

·REST API Development

·AWS S3

Benefits

Employees receive mandatory and non-mandatory benefits such as fourteen (14) days of vacation beginning on the date of hire, vacation premium, ten (10) paid holidays, a Christmas Bonus of thirty (30) days’ pay, Monthly Food Vouchers, Saving Fund, and health insurance. Certain employees may be eligible for additional Company benefits beginning on the date of hire, including dental, disability and life insurance plans; four (4) days of personal time off per year, up to three (3) days of paid medical leave per year, and up to three (3) days of paid bereavement leave per year.

What we believe:

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.

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 honor our commitments and act with responsibility in all our relationships.

An Equal Opportunity Workplace, Free of Discrimination and Harassment

At UST, we strive to provide a work environment free of discrimination and harassment. We are an equal opportunity employer and employment decisions are based on merit and business needs. Our Human Rights Policy further illustrates our stand on this. We are committed to following fair employment practices that provide equal opportunities to all employees. We do not discriminate or allow harassment on the basis of race, color, religion, disability, gender, national origin, sexual orientation, gender identity, gender expression, age, genetic information, military status, or any other legally protected status. At UST, we value diversity and believe that a diverse workplace builds a competitive advantage.

Un lugar de trabajo con igualdad de oportunidades y libre de discriminación y acoso

En UST, nos esforzamos por proporcionar un ambiente de trabajo libre de discriminación y acoso. Somos un empleador que ofrece igualdad de oportunidades y basa las decisiones de empleo en los méritos y las necesidades del negocio. Estamos comprometidos a seguir prácticas de empleo justas que brinden igualdad de oportunidades a todos los empleados. No discriminamos ni permitimos el acoso por motivos de raza, color, religión, discapacidad, género, origen nacional, orientación sexual, identidad de género, expresión de género, edad, información genética, estado militar o cualquier otro estado legalmente protegido. En UST, valoramos la diversidad y creemos que un lugar de trabajo diverso construye una ventaja competitiva.

UST reserves the right to periodically redefine your roles and responsibilities based on the requirements of the organization and/or your performance.

#UST

#LI-MO1

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