About The Position

We are seeking a Principal Voice (Backend) Software Developer to join our team. This role involves providing deep technical expertise in backend development, code reviews, and architectural discussions. You will be responsible for designing, developing, testing, and deploying backend software solutions using Node.js and Java, adhering to high-quality standards. A key part of this role includes architecting and optimizing relational database schemas, writing efficient queries, and ensuring data integrity and performance. You will also develop and maintain components for real-time communication, including SIP signaling and RTP streaming, and explore and implement solutions for audio/video media processing and integration within the contact center environment. Contributing to the development of contact center-specific features and integrations, understanding the nuances of the domain, and identifying and addressing performance bottlenecks to ensure platform scalability are crucial. You will also diagnose and resolve complex production issues and collaborate closely with product managers, architects, QA engineers, and other stakeholders to deliver high-quality software.

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.
  • 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 Haves

  • 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.
  • 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).

Responsibilities

  • 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.

Benefits

  • Additional health and life insurance coverage
  • Generous annual leave
  • Food vouchers and paid breaks
  • Competitive salary
  • Clear career progression
  • World-class on-the-job training

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What This Job Offers

Job Type

Full-time

Career Level

Principal

Education Level

No Education Listed

Number of Employees

5,001-10,000 employees

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