Senior Back-End (API) Engineer
Summary
Senior back-end engineer building scalable APIs and data-intensive services in Node.js, JavaScript, and pure PostgreSQL (no ORM) for a US real-estate tech platform combining CRM, marketing, communication and workflows. Remote from Poland, B2B, with end-to-end feature ownership and ~4h daily overlap with the US team.
Wynagrodzenie
B2B: 23000 – 24000 PLN / mies. netto
About the company
We are recruiting on behalf of a US-based technology company transforming how real estate professionals run their businesses. Its platform brings together CRM, marketing, communication and business workflows in one product used by real estate teams in the US.
This is a high-impact backend role for an engineer who enjoys working with large datasets, complex APIs and production systems at scale. You will have genuine ownership of features, from technical planning through to production, while working closely with a distributed US engineering team.
What you will be working on
Building and evolving scalable backend services and APIs
Working extensively with Node.js, JavaScript and PostgreSQL
Writing pure SQL and working directly with the database rather than relying solely on an ORM
Designing solutions for data-intensive production applications
Making architectural decisions with a strong focus on performance, reliability and maintainability
Taking ownership of features from idea and planning through to production
Working with a distributed engineering team and clearly communicating technical decisions and trade-offs
What we are looking for
Must-haves
Senior-level backend and API engineering experience
Strong hands-on Node.js and JavaScript experience
Strong PostgreSQL expertise, including pure SQL without an ORM
Proven experience building scalable, data-intensive production applications
Strong API design and development skills
Solid experience with backend architecture, testing and maintainability
Demonstrated end-to-end ownership of features
Ability to explain technical decisions and trade-offs clearly
Nice-to-haves
RabbitMQ
Redis
Experience leading projects or major features
Background in real estate technology, CRM or marketing platforms
Location and working hours
Remote role for candidates based in Poland
Flexible working schedule
Minimum 4 hours of overlap with the US team
If you're a Senior Backend Engineer who likes owning meaningful technical problems, working close to the data and building systems that operate at scale, this could be a strong opportunity.