Senior Full Stack Engineer

4w1 month ago

NEORIS

Buenos Aires, AR · Full-time · $50,000 – $70,000

About this role

NEORIS, now part of EPAM, is a Digital Accelerator with over 20 years of experience guiding the world's largest companies through technological transformation. We operate across 11 countries with more than 4,000 professionals in a multicultural culture that drives innovation, strategy, and high-impact communication.

We are seeking a Full Stack Developer Senior (Node.js + React) to join our team and participate in the end-to-end design and development of solutions in high-demand cloud environments. The ideal candidate will feel comfortable making technical decisions, proposing architectural improvements, and building scalable, robust products.

You will design and develop features end-to-end, from database to UI layer, implement and maintain REST APIs using Node.js/NestJS, and integrate external services with advanced async handling. You will also build interfaces with React/Next.js following performance best practices, implement automated tests, and work with event-driven architectures and AWS services.

This role offers the opportunity to ensure security, observability, and code quality standards while actively participating in technical decisions and architecture improvements. Join a team that values continuous professional development, learning, and growth.

Requirements

5+ years of experience developing software in production environments
Solid experience with Node.js (ideally NestJS) and REST API design
Proficiency with asynchronicity, event loop, and error handling
Experience with relational and non-relational databases
Knowledge of event-driven architecture (SQS, RabbitMQ, or similar)
Experience with AWS (EKS, Lambda, S3, CloudWatch)
Docker experience and Kubernetes knowledge
Proven experience with React (ideally Next.js), state management (Redux, Zustand), and testing (Jest, React Testing Library, Cypress)

Responsibilities

Design and develop features end-to-end, from database to UI layer
Implement and maintain REST APIs using Node.js/NestJS
Integrate external services and handle advanced asynchronicity
Build interfaces with React/Next.js following performance best practices
Implement and execute automated tests (unit, integration, and UI)
Work with event-driven architectures and AWS services
Ensure security, observability, and code quality standards
Participate actively in technical decisions and architecture improvements

Benefits

Premium medical coverage: top-tier health plan fully covered for you and your family
Home office support: connectivity bonus for remote work needs
Training: discounts on English classes and access to Udemy
Sports time: gym benefits and discounts
Time for you: flexible vacation and a day off on your birthday
Continuous professional development: learning and growth opportunities