Lead Engineer, Full Stack MERN

Varicent

full-time

Posted on: 9/17/2025

Origin: • 🇦🇷 Argentina

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Senior

AWSCloudDockerDynamoDBGraphQLJavaScriptKafkaMicroservicesNode.jsNoSQLReactReduxServiceNowSQLTypeScript

About the role

Lead the design and development of new features using the MERN stack.
Build cloud-native apps with AWS Lambda, Aurora, DynamoDB, ECS, and GraphQL.
Improve system scalability, performance, and architecture.
Write clean, efficient, and maintainable code with CI/CD and test automation.
Collaborate closely with product and design to deliver intuitive user experiences.
Guide junior developers through code reviews and technical mentoring.

8+ years of experience in modern web development with React, Node.js, TypeScript, and JavaScript.
Strong background with microservices, cloud architecture, and serverless development (preferably AWS).
Solid knowledge of SQL, NoSQL, and API design (REST/GraphQL).
Experience in automated testing, CI/CD, and agile delivery environments.
Proficiency in English communication (verbal and written).
Nice to have: Experience with Redux, messaging systems (Kafka, Kinesis), or Docker.
Nice to have: AWS certification or equivalent hands-on expertise.
Nice to have: Background in product-focused teams or SaaS platforms.