Senior Full Stack Engineer (50/50 FE/BE) (LatAm, EST hours)
About The Position
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.
Requirements
- 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 Haves
- 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
Responsibilities
- 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
Benefits
- Totally remote, full-time (40h/week)
- EST work hours
- Long-term, solid independent contractor agreement
- Payment in USD, by-weekly or monthly - your choice.
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What This Job Offers
Job Type
Full-time
Career Level
Mid Level
Education Level
No Education Listed
