About The Position

Sutherland Bulgaria is searching for a skilled Senior 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.

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.
  • 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

  • Experience developing software specifically for contact centers (platform familiarity w/Genesys/Cisco or similar!)
  • 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
  • World-class on-the-job training
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