Senior Back-End (API) Engineer
Offer summary

(Summary generated by AI based on the full job description)

The project focuses on an enterprise real estate platform that unifies data, marketing, CRM and transaction workflows. Core stack includes Node.js, JavaScript, PostgreSQL, SQL, RabbitMQ, Redis and REST APIs. Responsibilities cover designing and maintaining core backend services for CRM and Marketing, building scalable data models, optimizing PostgreSQL queries and performance, developing high-performance APIs, ensuring unit and integration test coverage, and owning features from design through production and support. The role requires autonomy, 5–7 years of relevant experience and overlap of 4–5 hours with the US team. Offered flexibility and remote work with benefits including sports cost sharing, private medical care and corporate discounts.

you can start ASAP

Senior Back-End (API) Engineer

Company: Motife Sp. z o.o.

from: 1 October 2026
to: 31 October 2026
25 000 - 28 000 złnet (+ VAT)/ mth.B2B contract (full-time)
Salary details
basic salary
Offer parameters
level:senior
working mode:remote
Warszawa, Wola
Warszawa, WolaGrzybowska 60View on map

Requirements

Expected technologies

JavaScript
Node.js
PostgreSQL
SQL
RabbitMQ
Redis

Operating system

macOS

Our requirements

  • Deep, practical experience with JavaScript and Node.js.
  • Strong proficiency with PostgreSQL, including writing and optimizing pure SQL without depending on an ORM.
  • Proven experience in SQL performance tuning and database optimization.
  • Solid background in designing, building, testing, and maintaining scalable backend services.
  • Experience designing, building, and consuming APIs, particularly in large-scale production environments.
  • Demonstrable experience with data-intensive production applications.
  • Strong understanding of scalability challenges and the ability to make sound architectural decisions.
  • Ability to independently lead a feature from planning through production, coordinating with relevant stakeholders when needed.
  • Strong focus on backend architecture, clean code, testing, and long-term maintainability.
  • Experience with RabbitMQ; an intermediate level of proficiency is expected.
  • Strong hands-on experience with Redis.
  • Strong communication and collaboration skills.
  • Creative, structured, and pragmatic approach to solving complex technical problems.
  • Five to seven years of relevant professional experience, or an equivalent combination of education and experience.
  • Ability to adjust working hours to ensure at least 4–5 hours of overlap with the US team.

Optional

  • Bachelor’s Degree is preferred.

Your responsibilities

  • Architect, design, and maintain core backend services supporting CRM and Marketing platforms.
  • Build advanced, scalable data models suited to the evolving needs of the real estate industry.
  • Develop and maintain high-performance APIs and backend services.
  • Write efficient SQL queries and optimize PostgreSQL database operations.
  • Deliver high-quality features with robust unit and integration test coverage.
  • Solve complex data, scalability, and performance challenges in production environments.
  • Influence architectural decisions to ensure long-term maintainability and growth.
  • Collaborate with front-end engineers and cross-functional stakeholders to deliver cohesive solutions.
  • Partner with Customer Success to understand real-world user workflows and improve the platform experience.
  • Clearly communicate technical decisions, implementation approaches, and architectural trade-offs.
  • Take full ownership of features and projects, from planning and technical design through deployment and production support.
  • Lead projects when needed and contribute to continuously improving the engineering culture.
  • Stay up to date with industry developments and propose improvements to backend capabilities and product features.

About the project

Our client is building the next generation of enterprise real estate technology. Its platform helps real estate professionals streamline the entire buying and selling journey by bringing together data, marketing, CRM, and transaction workflows in one integrated system.
The company is product-driven, operates with a modern technology stack, and has a strong engineering culture focused on building high-impact tools that transform how real estate agents work.
We are looking for a Senior Back-End (API) Engineer to join our client’s engineering team and help design, develop, and maintain core services supporting CRM and Marketing platforms.
In this role, you will work on high-impact, data-intensive systems used by real estate professionals across the United States. You will design scalable APIs and data models, optimize database performance, contribute to architectural decisions, and collaborate with front-end engineers, Customer Success, and other cross-functional teams.
The ideal candidate has strong hands-on experience with Node.js, PostgreSQL, SQL performance tuning, and scalable backend services. This is a senior, highly autonomous role for someone who can take full ownership of features from planning and design through successful production delivery..
Key takeaways:
Stack: Node.js, JavaScript, PostgreSQL, SQL, REST APIs, RabbitMQ, Redis

This is how we organize our work

This is how we work

in house
Company

What we offer

  • Flexibility and the possibility to work remotely.

Benefits

  • sharing the costs of sports activities
  • private medical care
  • remote work opportunities
  • corporate products and services at discounted prices

Recruitment stages

  • 1.
    A call with Motife recruiter
  • 2.
    Technical interview
  • 3.
    Final interview

Motife Sp. z o.o.

MOTIFE is a trusted partner for tech companies choosing Poland to build and grow their engineering and software development capabilities.
We help software companies, startups, fintechs, technology companies, and industry disruptors with their IT recruitment and, wherever necessary, advisory in setting up a presence in Poland and daily operations.
Our end-to-end support helps us build long-term relationships with new IT players, which means we can offer some of the most interesting career opportunities for skilled software and IT professionals like you.
Senior Back-End (API) Engineer
25k–28k zł / mth. (B2B)
I apply to:
Motife Sp. z o.o.
Warszawa, Wola
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