Job Title: Senior Back End Developer Company Overview: SouthDesk is a leading business growth accelerator specializing in nearshoring services powered by AI-driven staffing solutions. We connect companies with top-tier professionals to help scale operations efficiently and effectively. Position Summary: A key client of SouthDesk requires a Senior Back End Developer to spearhead backend architecture, microservices, and API development for a rapidly expanding startup within the real estate and travel sectors. Key Responsibilities: - Design and optimize backend microservices to ensure seamless functionality. - Develop high-performance APIs for property management and bookings, utilizing advanced data structures and efficient algorithms. - Collaborate closely with cross-functional teams comprising frontend and DevOps specialists. - Ensure system scalability, security, and maintainability through rigorous testing and code reviews. - Implement CI/CD pipelines and containerization using Docker/Kubernetes to streamline deployment processes. - Optimize cloud infrastructure on AWS Lambda to maximize resource utilization and reduce costs. Qualifications: - Minimum 5 years of experience in Node.js & Express development. - Deep understanding of REST & GraphQL architectural principles. - Hands-on experience with PostgreSQL and Redis databases. - Knowledge of microservices architecture and design patterns. - Advanced English language skills required for effective communication. - Having a valid visa is highly desirable but not mandatory. Seniority Level: Mid-Senior level professional with a strong technical background. Employment Type: Full-time position with opportunities for growth and advancement. Job Function: Engineering and Information Technology expert. Industries: Strategic Management Services, specializing in technology consulting and implementation.