Principal Voice (Backend) Software Developer at Sutherland Global Services UK Ltd

Sofia, Sofia-City, Bulgaria -

Full Time

Start Date

Immediate

Expiry Date

21 Jul, 26

Salary

0.0

Posted On

22 Apr, 26

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Node.js, Java, Linux, SQL, PostgreSQL, SIP signaling, RTP streaming, Microservices, AWS, Azure, GCP, Docker, Kubernetes, Data modeling, Backend development, Performance optimization

Industry

IT Services and IT Consulting

Description

Company Description About Sutherland Artificial Intelligence. Automation. Cloud engineering. Advanced analytics. For business leaders, these are key factors of success. For us, they’re our core expertise. We work with iconic brands worldwide. We bring them a unique value proposition through market-leading technology and business process excellence. We’ve created over 200 unique inventions under several patents across AI and other critical technologies. Leveraging our advanced products and platforms, we drive digital transformation, optimize critical business operations, reinvent experiences, and pioneer new solutions, all provided through a seamless “as a service” model. For each company, we provide new keys for their businesses, the people they work with, and the customers they serve. We tailor proven and rapid formulas, to fit their unique DNA. We bring together human expertise and artificial intelligence to develop digital chemistry. This unlocks new possibilities, transformative outcomes and enduring relationships. Sutherland Unlocking digital performance. Delivering measurable results. 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.

Responsibilities

Design, develop, and deploy backend software solutions using Node.js and Java while ensuring system performance and scalability. Collaborate with cross-functional teams to implement real-time communication features and optimize database schemas for high-throughput applications.