Senior Node.js Developer

gravity9

contract

Posted on: 9/19/2025

Origin: • 🇵🇱 Poland

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Senior

AWSDockerGradleJavaScriptKafkaMavenMongoDBNode.jsNoSQLRedisTypeScript

About the role

Use Node.js, TypeScript and MongoDB to help clients adopt the latest MongoDB across a suite of applications
Take an active lead in team discussions and code reviews
Work collaboratively to identify, prioritise and deliver features that bring value to clients
Guide and mentor less experienced developers
Adapt to different responsibilities across project lifecycles within small, multi-disciplinary teams
Apply engineering best practices and collaborate with colleagues on solution design and delivery

Excellent command / highly proficient in spoken and written English (working directly with UK/US based clients)
Expert in Node.js and TypeScript
Hands-on experience with MongoDB or other NoSQL DB
Experience working with AWS (S3, ECS, SQS, SNS, Kinesis)
Understanding of Synch and Async communication (REST based, Queue and/or Topic based, ideally Kafka)
Proficiency in working with Microservice Architecture including containerization, high availability and failover scenarios
Experience writing unit and integration tests
Experience in working with Docker and containerized applications
Experience in Maven/Gradle and working with CI/CD pipelines
Nice to have: Redis
Must be able to work Poland hours (12:00 PM to 8:00 PM) aligned with US time zones