Founded in 1986, Sutherland is a global process transformation company that “rethinks and rebuilds processes for the digital age.” As an employer, Sutherland prefers driven pro
Principal Voice, Backend Software Developer
Location
Bulgaria
Posted
45 days ago
Salary
0
Seniority
Lead
Job Description
Principal Voice, Backend Software Developer
Sutherland
• 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 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
Job Requirements
- 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
- Must possess a strong foundational knowledge of relational database principles, including data modeling, normalization, ACID properties, and transaction management
- Proficient in writing complex and optimized SQL queries
- Proven experience in designing and optimizing PostgreSQL physical schemas for high-throughput and low-latency applications
- 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 (preferable), Prometheus, Grafana)
Benefits
- Long-term job security with a permanent contract
- Additional health and life insurance coverage
- Generous annual leave
- Food vouchers and paid breaks
- Competitive salary and clear career progression
- World-class on-the-job training
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