Senior Full Stack Engineer (50/50 FE/BE) (LatAm, EST hours) at Virtasant

, , United States -

Full Time

Start Date

Immediate

Expiry Date

25 May, 26

Salary

0.0

Posted On

24 Feb, 26

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

React, Node.js, Python, AWS, Serverless Architecture, API Design, RESTful Services, JavaScript, UX Design Translation, Feature Ownership, Scalability, Performance Monitoring, SOLID Principles, Unit Testing, Multi-tenant SaaS, Datadog

Industry

IT Services and IT Consulting

Description

About Virtasant Virtasant is a global technology services company with a network of over 4,000 technology professionals across 130+ countries. We specialize in cloud architecture, infrastructure, migration, and optimization, helping enterprises scale efficiently while maintaining cost control. Our clients range from Fortune 500 companies to fast-growing startups, relying on us to build high-performance infrastructure, optimize cloud environments, and enable continuous delivery at scale. About the role Our client is a US-based technology company focused on driving the next generation of vehicle and mobile technologies. For them, we are hiring a Senior Full Stack Engineer (UI-Leaning) to join a Growth-focused engineering team responsible for scaling a customer-facing membership and enrollment platform. This role is full-stack but leans toward React and frontend implementation, while still requiring backend capability and production ownership. This is not a maintenance role; the platform is being expanded to support multiple enterprise clients, and the team is investing heavily in scalability and performance. What You’ll Be Doing Building and enhancing modern React applications Translating UX designs into scalable, production-ready components Developing and maintaining backend APIs (Node.js and/or Python) Deploying and maintaining services in AWS (serverless architecture) Owning features end-to-end (development → deployment → monitoring) Contributing to architectural discussions and platform scalability Ensuring performance, reliability, and observability in production What Success Looks Like (6 Months) You understand the existing platform architecture You deliver full-stack features independently You contribute to scaling the platform for multi-client usage You take ownership of production quality and monitoring You proactively suggest improvements Required Experience Frontend (Strong Requirement) Strong experience with React Experience building production-grade web applications Strong JavaScript fundamentals Experience converting UX designs into maintainable components Backend Experience with Node.js (preferred) Python experience is a strong plus API design and RESTful service development Cloud & DevOps Experience with AWS (Lambda, API Gateway, serverless deployments) Experience deploying and maintaining production systems Understanding of monitoring and observability Engineering Fundamentals Strong knowledge of design patterns and SOLID principles Unit testing experience Ownership mindset: accountable for outcomes, not just tickets Nice to Have Experience with multi-tenant SaaS platforms Experience scaling high-traffic applications Working knowledge of Lexbots, Bedrock, Eventbridge, SNS/SQS, logging frameworks and monitoring tools (Datadog/Splunk) Working knowledge of OpenSearch. Familiarity with Apache Airflow. Exposure to AI-assisted development workflows Who Thrives Here Engineers who bring ideas, not just execution Product-minded developers Comfortable switching between frontend and backend Care about production stability Our recruitment process Recruiter Screen (30 min) Technical Interview (30 min) Client's Technical Round - two one-hour interviews, both on the same day Client Comms & Collab Round - two 30-minute interviews, both on the same day We strive to move efficiently from step to step so that the recruitment process can be as fast as possible. What we offer Totally remote, full-time (40h/week) EST work hours Long-term, solid independent contractor agreement Payment in USD, by-weekly or monthly - your choice.

Responsibilities

The engineer will be responsible for building and enhancing modern React applications, translating UX designs into production-ready components, and developing/maintaining backend APIs using Node.js and/or Python. This role involves owning features end-to-end, including deployment in AWS serverless architecture, monitoring, and contributing to platform scalability discussions.