Full Stack MERN Developer at Workana

Department: Workana Premium

Language

Setup: Remote
Location: Callao, Callao
Type: Full-time
Level: senior
Posted: Sep 11, 2026

Description

OurOffice is hiring a senior Full Stack MERN Developer to maintain and scale a production MERN application while building secure multi-tenant APIs, data-export and analytics integrations, large-data workflows, and third-party service integrations. The role requires advanced experience with React, Redux, Node.js, Express, MongoDB, AWS, authentication, authorization, API design, and production reliability, and is intended for a senior or expert engineer based in Latin America working during U.S. West Coast business hours.

Required Skills

React
Redux
Node.js
Express
MongoDB
AWS
REST APIs
Multi-tenant security
Data-export APIs
MongoDB indexes
Amazon S3

Additional Information

Required Previous Experiences: 5+ years of professional experience developing full stack applications with the MERN stack
Advanced experience with MongoDB, Express, React, and Node.js
Experience designing and developing backend systems and production-grade APIs
Experience building data-access, reporting, analytics, or data-export APIs
Experience with authentication, authorization, and multi-tenant application security
Experience with Node.js streams, backpressure, batching, and large-dataset processing
Experience with concurrency, retries, idempotency, timeouts, failure recovery, and asynchronous processing
Experience with MongoDB indexes, aggregation pipelines, query optimization, explain(), and Mongoose
Experience with AWS, including EC2, S3, IAM, CloudFront, and WAF
Experience with React and Redux in established production codebases
Preferred Qualifications: Experience integrating applications with Microsoft Power BI or Power Query
Knowledge of Tableau, Looker, OData, or other analytics and data-platform integrations
Experience with Amazon SQS, EventBridge, Lambda, or background-worker architectures
Experience integrating Twilio, SendGrid, Stripe, Microsoft Graph, Azure, Okta, SAML, or Slack
Experience with AI/LLM integrations, embeddings, vector search, or retrieval-augmented generation systems
Experience with CI/CD, automated testing, deployment pipelines, and production releases
Previous experience working in SaaS, B2B software, or multi-tenant environments
Translation Company Name: Workana