Principal Voice (Backend) Software Developer

Job Description

• 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.

Qualifications

• Development Languages:
  • Node.js: Extensive experience in developing backend services and APIs using Node.js.
  • 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).

Additional Information

• 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.