Senior Back-End (API) Engineer

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

Salary: 25 000- 28 000 net per month on B2B

Working model: 100% Remote

Location: Poland

Recruitment process:

• A call with Motife recruiter
• Technical interview
• Final interview

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.

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.
• Bachelor’s Degree is preferred.

What we offer:

• Flexibility and the possibility to work remotely.