Sutherland Global Services is looking for a Principal Voice (Backend) Software Developer to join our backend software development team. In this critical role, you will be instrumental in designing, developing, and scaling the core backend systems that power our contact center solutions, solving complex problems, mentoring junior engineers, and driving architectural decisions.

What You'll Do

Provide deep technical expertise in backend development, code reviews, and architectural discussions, ensuring best practices are followed.
Design, develop, test, and deploy backend software solutions using Node.js and Java, adhering to high-quality standards.
Architect and optimize relational database schemas, write efficient queries, and ensure data integrity and performance.
Develop and maintain components for real-time communication, including WebRTC, SIP signaling and RTP streaming.
Explore and implement solutions for audio/video media processing and integration within the contact center environment.
Contribute to the development of contact center-specific features and integrations, understanding the nuances of the domain.
Identify and address performance bottlenecks, ensuring the platform can scale to meet growing demands.
Diagnose and resolve complex production issues, providing timely and effective solutions.
Work closely with product managers, architects, QA engineers, and other stakeholders to deliver high-quality software.

What We're Looking For

Extensive experience in developing backend services and APIs using Node.js.
Strong proficiency in Java development for backend applications.
Deep understanding of the Linux operating system and its ecosystem for development and deployment.
Strong foundational knowledge of relational database principles, including data modeling, normalization, ACID properties, and transaction management.
Proficient in writing complex and optimized SQL queries.

Nice to Have

Proven experience in designing and optimizing PostgreSQL physical schemas for high-throughput and low-latency applications.
Experience with PostgreSQL programming, including stored procedures, functions, and triggers.
Experience with development of Apache Kafka producers and consumers, especially for message broker use case.
Hands-on experience with WebRTC for screen capture and video streaming.
Hands-on experience with Session Initiation Protocol (SIP) for signaling in voice and video calls.
Experience with Real-time Transport Protocol (RTP) for audio and video data streaming.
Familiarity with other applications and technologies related to audio/video media processing and streaming.
Experience in developing software specifically for contact center environments.
Familiarity with major contact center platforms such as Genesys, Cisco, or similar.
Experience with cloud platforms (AWS, Azure, GCP) and containerization (Docker, Kubernetes).
Experience designing and building microservices.
Familiarity with monitoring and logging tools (e.g., ELK stack, Prometheus, Grafana).

Technical Stack

Languages & Core: Node.js, Java, Linux, SQL
Database: PostgreSQL
Infrastructure & Messaging: Apache Kafka, AWS, Azure, GCP, Docker, Kubernetes
Communications: WebRTC, SIP, RTP
Monitoring: ELK stack, Prometheus, Grafana

Work Mode

This is a fully remote position based in Mexico.

Sutherland is an equal opportunity employer. During employment, employees are treated without regard to race, color, religion, sex, national origin, age, marital or veteran status, medical condition or handicap, or any other legally protected status.