Middle Support Engineer, Node.js

This is a fully remote position, open to applicants in Poland.

📋 Description

• Deliver exceptional service as a Support Engineer.

• Engage with clients to collect issue reports and troubleshoot during afternoon/evening hours, specifically from 14–22 CET/CEST.

• Examine error-tracking tools, infrastructure, and third-party connections, debugging them as necessary.

• Prioritize requests and bugs while addressing ongoing client inquiries.

• Write clear and maintainable JavaScript code.

• Technically contribute to the product by identifying enhancements and resolving issues.

• Design and modify fundamental database structures.

• Document the code and solutions provided.

• Convert business complexities, user stories, and tasks into solutions, results, and estimates collaboratively with the team.

• Stay updated on industry trends and news, share knowledge, and mentor others.

• Enhance and repurpose the company knowledge base.

• Collaborate with the US-based client Payments.ai.

⛳️ Requirements

• Availability between 14–22 CET/CEST.

• Over 2 years of commercial experience in Node.js.

• Strong experience with SQL and NoSQL databases.

• Extensive knowledge of JavaScript frameworks, with a preference for Express.js.

• Solid understanding of JavaScript, including at least ES 2018, OOP principles, clean coding practices, and best practices.

• Experience with at least one Node.js backend framework, such as Express.js or Koa.js.

• Familiarity with relational SQL databases and ORM or query builder tools like Sequelize or Knex.

• Potential experience with NoSQL or in-memory databases such as MongoDB or Redis.

• Understanding of SOLID and KISS principles.

• Knowledge of design and architectural patterns.

• Familiarity with Docker and GitHub Actions.

• Regular use of AWS S3 services and experience debugging AWS services such as Cognito, CloudWatch, SQS, SES, and Lambda.

• Detail-oriented with strong problem-solving skills.

• Proficient in English at C1 level.

• Proficient in Polish at C1 level.

• Ability to prioritize quality outcomes while managing tight project timelines.

🏝️ Benefits

• B2B contract.

• Paid time off.

• 100% remote work option, or hybrid/onsite based on preference.

• Learning budget.

• Health insurance.

• Sport benefits.

• Regular feedback, support, and genuine learning opportunities.

• Access to internal Design Talks and Tech Talks.

• Full-time employment.

• Long-term contract.

• Work within Scrum Teams.