Senior Node.js Developer



Warszawa, Poland
Full Time
3y ago

Company Description

ASPER BROTHERS is a dev shop/software house with an office in the very center of Warsaw. We are characterized by a friendly approach, passion for the latest technologies and pedantic work.

We work with clients from all over the world and for the following industries: HR, Automotive, Marketing, Medical, Real estate, Non-profit, Security and others. You can meet our selected clients here:,,,,,,,,,

Our stack is Python, PHP, JavaScript.

We have a team of 25 great people and we’re growing steadily. Some at the office (in good times), some remotely from different Polish cities.

We want to cooperate with people who will have a real impact on the direction, shape and development of projects every day. We believe in self-sufficient scrum teams.



Together with our clients we change various industries through new technologies. From the inside you will see, for example:

  • How, through software, sales are scaled in a SaaS listed HR startup of several hundred people.
  • How automated real estate valuation models supported by machine learning are turning the United Arab Emirates into a real estate leader instead of an oil leader.
  • How a CRM designed for nonprofits can help rehabilitate thousands of people in the U.S.
  • How you can optimize your fitness workouts by using multiple sensors and Augmented Reality.
  • How you can simplify your entire financial life with an all-in-one tax and accounting app.

Job Description

We are looking for an experienced Senior Node.js Developer who will build for one of our customer which producing scalable and sustainable logistics technologies that allows users to own their entire supply chain.

Your responsibilities will include

  • Building quoting and routing algorithms to calculate prices for moving goods globally, ingesting live tracking data of ships, trucks, and airplanes to infer meaningful actions on the supply chain
  • Automating processes to lift the degree of automation from 5% to 90% – killing faxes, emails, and phone calls from logistics once and for all
  • Building scalable and extendable event-driven microservice architectures with advanced patterns like CQRS and event sourcing design patterns and many other interesting use cases.
  • Lead engineering-wide initiatives, interacting with different teams and stakeholders
  • Write concise Architectural Decision Records (ADRs)Mentor engineers of different levels
  • Continuously improve existing systems, including refactoring of critical components of our platform



  • Extensive experience in Software Engineering ( 5+ years) 
  • Solid Experience with large scale architectural patterns, event-driven microservices, well-designed APIs and efficient algorithms
  • Proficiency in back-end technologies we use: NodeJS, Javascript, Typescript,  MongoDB, message queuing systems or Kubernetes
  • Professional attitude towards software craftsmanship including testing
  • Working proficiency and communication skills in verbal and written English

Additional Information

What we offer: 

  • B2B contract (20000 - 30000 PLN net on invoice per month) 
  • 21 free paid days per year;
  • Nice atmosphere in the company and even nicer customers from all over the world;
  • Participation in very interesting software projects;
  • Financing of courses and conferences;
  • Full Remote Job or if You like Office in the very center of Warsaw.


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Onkar By: Onkar