Middle Support Engineer (Node.js)

MasterBorn; Wrocław; Hybrid; PLN 112,000 - 179,000; Full time

Benefits offered by this job

Learning budget

Health insurance

Sport benefit

Regular feedback

Learning opportunities

Internal Design Talks

Tech Talks

Job summary

MasterBorn is seeking a Support Engineer to elevate our world-class service for a US-based client. You will troubleshoot and fix modern, scalable web applications built with Node.js and TypeScript, using SQL/NoSQL databases and AWS.

You’ll work primarily in the 14–22 CET time window. This is a long-term B2B role with fully remote (or hybrid/onsite if you prefer) options, competitive PLN salary (10,000–16,000 PLN/month), learning budgets, health/sport benefits, and regular knowledge sharing

Qualifications

• 2+ years of commercial experience in Node.js.
• Experience with SQL and NoSQL databases.
• Proficient in a JS framework (Express.js preferred).
• Knowledge of Docker and GitHub Actions; AWS S3 usage.
• English C1; Polish C1; strong problem-solving.

Responsibilities

• Communicate with the client to gather issue reports and troubleshoot during 14-22 CET/CEST.
• Review error tracking tools, infrastructure, and 3rd-party connections; debug as needed.
• Prioritize requests/bugs and resolve client issues.
• Write readable, maintainable JS code.
• Involve in product design and basic DB structure changes.
• Write documentation for delivered code and solutions.
• Translate business requirements into actionable solutions with the team.
• Stay updated with trends and share knowledge.
• Improve and reuse the knowledge base.

Skills

Node.js

AWS

JavaScript (ES2018)

Express.js

SQL databases

NoSQL databases

Tools

Sequelize

Knex

Docker

GitHub Actions

AWS S3

Job description

We are currently improving our world-class service with a Support Engineer role.

Your challenge will be to provide the highest quality level of service and focus on fixing and debugging modern, scalable web application using Node.js frameworks with TypeScript and (No)SQL technologies, mainly on AWS Cloud.

You will work for one of our US-based clients: Payments.ai within 14-22 CEST/CET time zone.

We're a team of top performers. 100% of our clients and referrals are from the high-end American IT market.

Salary: PLN 10.000 - 16.000 + VAT (B2B)

Offery summary:

• Required: available within 14-22 CET/CEST time, 2+ years of commercial experience in Node.js, essential experience in SQL and NoSQL DBs, vast knowledge of JS framework (Express.js preferred), SOLID and KISS, knowledge about design and architecture patterns, know-how and why Docker and GitHub Actions works, primary usage of AWS S3 services, detail oriented and problem solver, English C1,
• Offer: B2B, paid days off, 100% remote (or hybrid/onsite - as you prefer), full-time position, long-term contract, Scrum Teams
• Perks and Benefits:learning budget, health insurance and sport benefit, regular feedback, support, and real learning opportunities, access to internal Design Talks and Tech Talks, and more
• Tools & Tech Stack: MS Office Suite, Azure Devops, Jira, FigJam, Windows/iOS, MS SQL, PostgreSQL (Greenplum), Snowflake, Python, Powershell, Slack, GSuite, GitHub, Jira, Coda, FigJam, Apple MacBook Pro

Your future tasks and duties:

• Communicate with the client to gather the issue report and troubleshoot during the afternoon/evening hours (14-22 CET/CEST)
• Reviewing error tracking tools, infrastructure, and 3rd party connections and debugging them as needed
• Prioritizing requests/bugs and solving ongoing client requests
• Pro-active communication and problem-solving skills to provide top-quality service
• Writing readable and easy-to-maintain JS code with different flavors
• Have technical involvement in the product - finding ways to improve it and fixing it
• Direct involvement with the design and modification of basic DB structures
• Writing documentation for delivered code and solutions
• Communicate with the team to efficiently translate business complexities (user stories/tasks) into solutions (results/estimations)
• Staying on top of trends/news, sharing them, teaching others, and aiming for the best quality solutions
• Improving and reusing the company’s knowledge base

About you - Tech Skills & Experience:

• 2+ years of commercial experience in Node.js
• Experience with AWS allowing debugging of the application (i.e. Cognito, CloudWatch, SQS, SES, Lambda),
• Good understanding of JS (at least ES 2018), OOP, clean code and best practices,
• Good experience with at least one Node.js backend framework (i.e., Express.js - preferred, Koa.js, others) - knows most of its basic APIs/features, was working on at least 1/2 projects involving such technologies.
• Have worked with relational SQL databases (integration-wise and as a basic design skill) with ORM or query builder tools (i.e., Sequalize, Knex)
• Potentially worked with NoSQL databases and/or in-memory databases and utilized them as a data store (i.e., Mongo, Redis)

About you - Soft skills:

• English level C1 - direct communication with clients/documentation/tasks/other reading/speaking/writing
• Polish level C1 to communicate efficiently within the team
• Understand the significance of MVP and prioritize the pursuit of excellence and high-quality outcomes, even amid tight project timelines.
• Strong problem-solving abilities and detail orientation to diagnose issues, suggest solutions and make decisions based on project requirements

Nice to have:

• Past support-level experience, open-source contributions, Serverless experience, experience in TypeScript and various BE frameworks
• Familiarity with process automation tools such as n8n, Zapier, or Make
• Basic experience with Docker - knows how to prepare a basic environment and connect things up to work locally
• Worked in Agile/Scrum daily consisting of people with similar skills and monitoring code quality daily
• Ability to debug and fix basic React issues
• Experience as any other support role

Recruitment process:

• CV Review
• Phone call with our Recruiter (15min)
• Soft-skills interview with our Recruiter (1h)
• Technical interview with our Specialist (1,5h)
• Decision and feedback

10,000 zł - 16,000 zł a month

Salary: PLN 10.000 - 16.000 + VAT (B2B)

Meaningful projects, top-notch experts, and value-driven workplace

Sound good?