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Senior Node.js Engineer
  • Warsaw
Senior Node.js Engineer
Warszawa, Warsaw, Masovian Voivodeship, Polska
CLOUDFIDE SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
18. 9. 2025
Informacje o stanowisku

Senior Node.js Engineer

Miejsce pracy: Warszawa

Technologies we use

Expected
  • Node.js
  • JavaScript
  • TypeScript
  • MongoDB
Optional
  • Microsoft Azure
  • Azure DevOps

About the project

You are a seasoned backend developer with at least 4 years of experience in Node.js and TypeScript. You're fluent in Express.js, REST APIs, and modern JavaScript/TypeScript design patterns. Writing clean, maintainable, and scalable code comes naturally to you - and you live by principles like SOLID, DRY, and KISS. You're collaborative, proactive, and ready to take ownership in a high-impact environment.

Opportunity overview

You’ll join a forward-thinking project for a Fortune 500 retail leader, working on an application that serves as a smart data aggregator. The system integrates data from multiple platforms into a unified, user-friendly dashboard - automating previously time-consuming business processes and cutting delivery time from weeks to just one hour. You’ll play a key role in optimizing performance, enhancing automation, and shaping how users interact with critical data.

Your impact zone

• Design, develop, and maintain backend services in Node.js and TypeScript

• Build and scale RESTful APIs using Express.js

• Ensure code quality through testing (Jest), documentation (Swagger), and adherence to best practices

• Work closely with frontend engineers, DevOps, and product owners to deliver high-quality features

• Optimize existing solutions and propose architectural improvements

• Contribute to sprint planning, code reviews, and tech discussions

Your responsibilities

  • Collaborate with the team on designing scalable backend architecture
  • Write robust, reusable code based on industry standards and design principles
  • Integrate external systems and manage MongoDB-based data storage with Mongoose
  • Actively take part in Agile ceremonies and advocate for clean code culture
  • Debug, profile, and monitor application performance

Our requirements

  • 4+ years of experience in Node.js, JavaScript/TypeScript
  • Strong command of Express.js, REST APIs, and backend best practices
  • Proficient in MongoDB with Mongoose, and experienced with unit testing in Jest
  • Comfortable with Git workflows and Agile/SCRUM methodologies
  • Familiar with architectural patterns and coding standards (SOLID, DRY, KISS, YAGNI)
  • Confident communicator in English
Optional
  • React experience or fullstack background
  • Experience with TDD and microservices architecture
  • Familiarity with oAuth 2.0, JWT, and secure authentication flows
  • Hands-on experience with Azure services and Azure DevOps pipelines

This is how we organize our work

Team size

4-7

This is how we work
  • in house
  • at the client's site
  • you focus on a single project at a time
  • you develop several projects simultaneously
  • you can change the project
  • you have influence on the technological solutions applied
  • you have influence on the product
  • you develop the code "from scratch"
  • you focus on product development
  • agile
  • scrum

This is how we work on a project

  • Clean Code
  • code quality measures
  • code review
  • design patterns
  • static code analysis
  • architect / technical leader support
  • Continuous Deployment
  • Continuous Integration
  • DevOps
  • SysOps
  • team-level deployment
  • documentation

What we offer

  • BENEFITS: Regardless of the form of employment – Budget for your professional development (training and certifications). MyBenefit cafeteria (with Multisport). Medicover medical care. Team-building meetings and trips
  • FLEXIBILITY: Enjoy the freedom of working from anywhere, and have a genuine say on our tools, tech, and solutions
  • STABILITY: Stable and long-term employment (employment contract, B2B)
  • START-UP CULTURE: Open communication, creative problem solving and a flat hierarchy
  • GROWTH: Skyrocket your career by exploring new territories – you can work on various projects related to Big Data and Cloud
  • COLLABORATION: Be part of our diverse, passionate team, where every voice matters. Work in a company full of well-coordinated people who do their work with passion and commitment

Recruitment stages

  • Screening
  • Tech Interview
  • HR Interview

EQUAL OPPORTUNITY

CLOUDFIDE is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

CLOUDFIDE SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

At CLOUDFIDE, we do everything with data and contribute to pivotal projects for Fortune 500 companies. This is your chance to enhance your skills and leave your global footprint.

Our collaborative culture champions your professional growth. Dive into cloud data processing, gain hands-on big data experience, and leverage our team's expertise to drive your professional growth.

Here you'll have an opportunity to use advanced technologies to shape client strategies. With CLOUDFIDE, you can amplify your career alongside the industry's best.

  • Praca Warszawa
  • Warszawa - Oferty pracy w okolicznych lokalizacjach


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