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Senior Voice Backend Software Engineer, Node.js, Java
Location
Bulgaria
Posted
5 days ago
Salary
0
Seniority
Senior
Job Description
Senior Voice Backend Software Engineer, Node.js, Java
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 developing backend services and APIs using Node.js & Java.
- 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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