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Rechat

Senior Back-End Engineer

Rechat

. Architect, design, and maintain core services supporting CRM and Marketing platforms .

Posted 9/18/2026full-timeRemote • SpainSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in architecting and maintaining scalable backend services, with a strong focus on SQL performance tuning and API development. Collaborates effectively with cross-functional teams to enhance user experience and drive engineering culture improvements.

Highest-signal resume keywords
JavaScriptNode.jsPostgreSQLSQL Performance TuningAPI Development

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills
SQL QueriesDatabase OperationsData ModelingUnit TestingIntegration TestingBackend Services DesignScalable SystemsArchitectural Decision MakingFeature DevelopmentPerformance Optimization
Soft Skills
CollaborationCommunicationCreativityProblem Solving
Certifications & Qualifications
High School DiplomaBachelor’s Degree Preferred
Industry Keywords
CRMMarketing PlatformsReal Estate IndustryUser ExperienceEngineering Culture

Tech Stack

Tools & technologies
JavaScriptNode.jsPostgresSQL

About the role

Key responsibilities & impact
  • Architect, design, and maintain core services supporting CRM and Marketing platforms
  • Build advanced, scalable data models for the real estate industry
  • Write efficient, high-performance SQL queries and optimize database operations
  • Develop features with robust unit and integration testing
  • Collaborate with Customer Success to understand agent workflows and improve user experience
  • Influence architectural decisions for long-term maintainability and growth
  • Partner with front-end developers and cross-functional teams
  • Monitor industry trends and contribute ideas for new features and backend improvements
  • Lead projects when needed and help improve engineering culture

Requirements

What you’ll need
  • High School Diploma or equivalent
  • Five to seven years of relevant experience, or a combination of experience and education
  • Deep experience with JavaScript and Node.js
  • Strong proficiency with PostgreSQL and SQL performance tuning
  • Background in designing, building, and testing scalable backend services
  • Experience building and consuming APIs
  • Collaborative mindset and strong communication skills
  • Creativity in solving complex technical challenges
  • Bachelor’s Degree preferred
  • Background and reference checks required

Benefits

Comp & perks
  • Competitive compensation
  • Fully remote with flexible work/life balance
  • Diverse, inclusive, and highly collaborative culture
  • Meaningful work with a product used by real professionals every day
  • Paid Time Off