Senior VOICE Backend Software Engineer (Node.js and Java)

Sutherland Bulgaria is searching for a skilled  Senior VOICE Backend Software Engineer (Node.js and Java). This is a FULLY remote position and can be based anywhere in Bulgaria. If you have extensive experience developing backend services and APIs using Node.js and have strong Java & Linux proficiency we want to connect with you today! Major advantage if you have experience developing software specifically for contact centers (platform familiarity w/Genesys/Cisco or similar!)

In this role, you'll get to

 

• Technical Expertise & Guidance: Provide deep technical expertise in backend development, code reviews, and architectural discussions, ensuring best practices are followed.
• System Development & Implementation: Design, develop, test, and deploy backend software solutions using Node.js and Java, adhering to high-quality standards.
• Database Design & Optimization: Architect and optimize relational database schemas, write efficient queries, and ensure data integrity and performance.
• Real-time Communication Technologies: Develop and maintain components for real-time communication, including SIP signaling and RTP streaming.
• Media Processing & Integration: Explore and implement solutions for audio/video media processing and integration within the contact center environment.
• Contact Center Domain Expertise: Contribute to the development of contact center-specific features and integrations, understanding the nuances of the domain.
• Performance & Scalability: Identify and address performance bottlenecks, ensuring the platform can scale to meet growing demands.
• Troubleshooting & Support: Diagnose and resolve complex production issues, providing timely and effective solutions.
• Cross-functional Collaboration: Work closely with product managers, architects, QA engineers, and other stakeholders to deliver high-quality software.
• Extensive experience developing backend services and APIs using Node.js & Java.
• Java: strong proficiency in Java development for backend applications.
• “Platform:”
• Linux: Deep understanding of the Linux operating system and its ecosystem for development and deployment.
• Database Proficiency:
• Relational Database Principles: Must possess a strong foundational knowledge of relational database principles, including data modeling, normalization, ACID properties, and transaction management.
• SQL: Proficient in writing complex and optimized SQL queries.

Highly Desirable Skills and Experience

• PostgreSQL:
• Physical Design: Proven experience in designing and optimizing PostgreSQL physical schemas for high-throughput and low-latency applications.
• Programming: Experience with PostgreSQL programming, including stored procedures, functions, and triggers.
• Real-time Communication Protocols:
• SIP Signaling: Hands-on experience with Session Initiation Protocol (SIP) for signaling in voice and video calls.
• RTP Streaming: Experience with Real-time Transport Protocol (RTP) for audio and video data streaming.
• Media Technologies:
• Familiarity with other applications and technologies related to audio/video media processing and streaming.
• Contact Center Domain Expertise:
• Experience in developing software specifically for contact center environments.
• Familiarity with major contact center platforms such as “Genesys, Cisco”, or similar.
• Cloud Technologies: Experience with cloud platforms (AWS, Azure, GCP) and containerization (Docker, Kubernetes).
• Microservices Architecture: Experience designing and building microservices.
• Monitoring & Logging: Familiarity with monitoring and logging tools (e.g., ELK stack (preferable), Prometheus, Grafana).
• 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

• All your information will be kept confidential according to EEO guidelines.
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