Backend Mid and Senior Developer

Backend Mid and Senior Developer

Developer II - Software Engineering

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:

We are looking for a Senior Backend Developer with extensive experience in Node.js, software architecture, and technical leadership. This role will be a key technical resource within the team, leading the design and development of scalable, secure, and high-performance backend services.

The opportunity:

* Lead the design and development of RESTful and/or GraphQL APIs

* Define and maintain the microservices architecture

* Implement complex business logic following clean architecture principles

* Optimize the performance of applications and databases at scale

* Write clean, testable, and well-documented code that serves as a reference

* Lead code reviews and pair programming sessions

* Mentor and provide technical guidance to junior and mid-level developers

* Collaborate with frontend, QA, product, and stakeholder teams

* Define and implement security strategies and best practices

* Document technical solutions, data flows, and architectural decisions

* Participate in technical planning and project estimation

* Propose and implement continuous improvements to development processes and tools

* Research and evaluate new technologies for adoption by the team

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:

* Backend: Node.js, Express.js, NestJS Language: TypeScript (level Expert) Testing: Jest Architecture: Design patterns, SOLID principles Databases: SQL and NoSQL Version control: Git, GitHub (branching strategies) Code quality: ESLint, SonarQube, quality metrics Security: Secrets management, JWT, OAuth 2.0, OIDC, OWASP Containers: Docker Methodologies: Agile (Scrum/Kanban) Generative AI: Advanced experience with GitHub Copilot, Claude, Cursor CI/CD: Continuous integration and continuous deployment pipelines

* Desirable Knowledge:

* Kubernetes and container orchestration Microservices architecture Message brokers (Kafka) Cloud services (Azure, GCP) Terraform or Infrastructure as Code Observability (logging, monitoring, tracing)

* Soft Skills:

* Critical and analytical thinking

* Advanced Effective communication with technical and non-technical teams and stakeholders Technical curiosity and continuous learning

* Responsibility and ownership of code and technical decisions

* Negotiation skills and expectation management

* Proactive problem identification and resolution

* Required Experience:

* Minimum 3 years of verifiable experience in backend development with Node.js

* Minimum 2 years in technical leadership roles or as a Senior Developer

* Experience working with and leading agile teams

* Languages:

* Spanish: Native or professional level

* English: B2+ or higher (desirable) reading technical documentation, communicating with international teams

Benefits

Employees receive eleven (11) paid holidays, two (2) weeks of paid vacation per year, and are eligible for health, dental, disability and life insurance.

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 discriminacion y acoso

En UST, nos esforzamos por proporcionar un ambiente de trabajo libre de discriminacion y acoso. Somos un empleador que ofrece igualdad de oportunidades y basa las decisiones de empleo en los meritos y las necesidades del negocio. Estamos comprometidos a seguir practicas de empleo justas que brinden igualdad de oportunidades a todos los empleados. No discriminamos ni permitimos el acoso por motivos de raza, color, religion, discapacidad, genero, origen nacional, orientacion sexual, identidad de genero, expresion de genero, edad, informacion genetica, 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.

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software engineering,node.js,software architecture,cloud computing,database