Sutherland
Senior Backend Software Engineer (Node.js and Java)| Remote| Bulgaria
Remote Senior Backend Engineering role with clear candidate location fit.
PostedJun 19, 2026
Eligible countries1 accepted country
Seniority signalSenior
Work settingRemote
Accepted candidate locations
Bulgaria
Role overview
Senior Backend Software Engineer (Node.js and Java)| Remote| Bulgaria
Requirements and responsibilities
Readable role content extracted into sections for faster review.
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.
In this role, you'll get to:
- 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.
- 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.
- 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.
Details
- Linux: Deep understanding of the Linux operating system and its ecosystem for development and deployment.
- 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.
- 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.
- 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.
- Familiarity with other applications and technologies related to audio/video media processing and 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.
- Cloud Technologies: Experience with cloud platforms (AWS, Azure, GCP) and containerization (Docker, Kubernetes).
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.
- 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.
- 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.
- 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).
- 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).
Highly Desirable Skills and Experience:
- 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
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