Remote Node.js Support Engineer for Scalable Apps

Masterborn 2; Wrocław; Remote; PLN 1,339,000 - 2,143,000; Full time

Benefits offered by this job

Remote+ Hybrid options

Learning budget

Health insurance

Sport benefit

Job summary

Masterborn 2 is looking for a Support Engineer to enhance our world-class service for a US-based client Payments.ai. You will fix and debug modern web apps using Node.js, TypeScript, SQL/NoSQL, and AWS, with 14-22 CET/CEST alignment.

The role offers 100% remote (or hybrid/onsite) working options, B2B contract, and long-term collaboration in an expert team focused on quality and rapid delivery.

Qualifications

• 2+ years of commercial experience in Node.js with SQL/NoSQL databases.
• Strong knowledge of JS frameworks, especially Express.js, and TypeScript.
• Experience debugging AWS-based applications (CloudWatch, Cognito, SQS, Lambda).
• Knowledge of design patterns, SOLID/KISS principles and RESTful APIs.
• Familiarity with Docker and GitHub Actions for CI/CD pipelines.
• Proficient in writing clean, testable code and basic DB design.
• Excellent communication in English (C1) and Polish (C1).
• Experience with ORM or query builders like Sequelize/Knex.
• Understanding MVP mindset and quality-focused delivery.
• Past support-level or open-source experience and serverless exposure.
• Ability to work in Agile/Scrum and debug React issues.

Responsibilities

• Communicate with the client to report issues and troubleshoot during 14-22 CET/CEST.
• Review error tracking, infrastructure, and 3rd-party connections; debug as needed.
• Prioritize bugs and ongoing client requests; provide timely resolutions.
• Write readable and maintainable JS code with multiple flavors.
• Involve in product design and DB structure changes where needed.
• Document delivered code and solutions for future reference.
• Translate business stories into technical tasks and estimates.
• Keep up with trends and share learnings with the team.
• Improve and reuse the company knowledge base.

Skills

Node.js

Express.js

TypeScript

AWS

Docker

GitHub Actions

SQL/NoSQL

OOP / SOLID

English (C1)

Polish (C1)

Debugging

Serverless

React basics

Tools

Jira

Azure DevOps

GitHub

FigJam

MS SQL

PostgreSQL

Snowflake

Python

Powershell

AWS S3

Job description

Masterborn 2 is looking for a Support Engineer to enhance our world-class service for a US-based client Payments.ai. You will fix and debug modern web apps using Node.js, TypeScript, SQL/NoSQL, and AWS, with 14-22 CET/CEST alignment.

The role offers 100% remote (or hybrid/onsite) working options, B2B contract, and long-term collaboration in an expert team focused on quality and rapid delivery.