CareerPlan

Senior Node.js Engineer

Warsaw, PolandFull-time2026-10-13 → 2026-11-10

Core

Design, implement, and scale highly performant Node.js microservices, Big Data processing services, and data platforms on AWS.

Role type

Senior IC Node.js backend engineer

Builds

High-load, real-time applications, microservices, and data pipelines

Domain

Cloud infrastructure and distributed systems

Required skills

Node.js, JavaScript, AWS, microservices architecture, asynchronous programming, Redis, MongoDB, message queues (RabbitMQ, SQS), Linux, CI/CD, automated testing, multithreading

Preferred skills

Kubernetes, Helm, Argo-cd, Prometheus

Technologies

Node.js, Express, AWS (EC2, Lambda, RDS, S3, Kafka/MSK, SQS), Redis, MongoDB, RabbitMQ, Git, Linux

Responsibilities

Architect high-performance, scalable, and fault-tolerant Node.js applications and microservices; Utilize AWS services to ensure high availability and performance; Build and manage distributed, event-driven architectures; Design and develop Big Data processing pipelines; Optimize applications for high load and minimal latency; Implement advanced multithreading techniques; Write clean, maintainable code adhering to best practices.

Seniority

Senior, hands-on IC