Senior Backend Developer — Remote (AWS, Serverless, NoSQL)

Integral Solutions - Informatica Distributor; Warszawa; Hybrid; PLN 218,000 - 290,000; Full time

Job summary

Integral Solutions - Informatica Distributor in Poland is seeking a Senior Backend Developer with strong Node.js and TypeScript skills to join a remote-first team building an AI-powered fitness device. This is a 100% remote B2B role with a monthly net salary of 4500–6000 EUR.

You will design scalable backend systems, leverage serverless architectures on AWS, and work with NoSQL data stores (DynamoDB, Elasticsearch) while aiming for low latency and high throughput.

Qualifications

• 5+ years of hands-on backend development in high-performance environments.
• Strong experience with Node.js, TypeScript, and React.
• Proficient in AWS, serverless architecture, and microservices.
• Experience with NoSQL data stores (DynamoDB, Elasticsearch).
• Startup experience is a plus.

Responsibilities

• Design and implement scalable backend systems with low latency.
• Build backend services using serverless architecture, AWS, and big data.
• Deliver high-quality software on time through collaboration and optimization.
• Apply CI/CD and/or TDD to ensure quality, performance, reliability.
• Profile and tune backend performance for efficiency.

Skills

Node.js

TypeScript

React

AWS

Serverless

Microservices

DynamoDB

Elasticsearch

Startup experience

Job description

Integral Solutions - Informatica Distributor in Poland is seeking a Senior Backend Developer with strong Node.js and TypeScript skills to join a remote-first team building an AI-powered fitness device. This is a 100% remote B2B role with a monthly net salary of 4500–6000 EUR.

You will design scalable backend systems, leverage serverless architectures on AWS, and work with NoSQL data stores (DynamoDB, Elasticsearch) while aiming for low latency and high throughput.