# Voice Backend Software Engineer (Node.js and Java) | Remote | US Remote from[USA](https://jobicy.com/job-region/usa.md)Annual salary Undisclosed Salary information is not provided for this position. Check our [Salary Directory](https://jobicy.com/salaries.md) to estimate the average compensation for similar roles.Department [Software Engineering](https://jobicy.com/categories/engineering.md) Employment type Full Time, Job posted25 Jun 2026Apply before25 Jul 2026Experience level Senior Views / Applies 98 / 27 [About company](https://jobicy.com/company/sutherland.md) [Share](#share) About [Sutherland](https://jobicy.com/company/sutherland.md) Unlocking Possibilities, Transformative Outcomes, and Enduring Relationships * [Outsourcing/Offshoring](https://jobicy.com/company-category/outsourcing-offshoring.md) * 1986 Actively Hiring Verified job posting This job post has been [manually reviewed](https://jobicy.com/tools/help-center/employee/how-does-jobicy-verify-the-legitimacy-of-remote-job-listings.md) for authenticity and compliance. Tailor Resume Check Job Fit Cover Letter ### Tailor my resume to this job Discover how to best rewrite and optimize your resume for this specific job. You'll receive personalized suggestions and detailed guidance to highlight your key strengths, effectively address the job requirements, and make your application more compelling to recruiters and hiring managers. After analyzing your resume, I can provide several recommendations to better position yourself for this role. Your background in software development shows strong technical skills, particularly in Java and Python development. However, for this Senior Backend Developer position, I notice there could be more emphasis on your experience with microservices architecture and cloud technologies, which are key requirements for this role. I recommend highlighting specific projects where you utilized these technologies and quantifying your achievements to demonstrate impact... Upgrade to Plus ### Am I a good fit for this job? Understand your compatibility with this specific job opportunity. Our detailed analysis will assess your resume against the role's requirements, providing insights into your potential fit, key skill alignments, and areas you might need to develop to be a strong candidate. After assessing your resume against the job requirements, here's a summary of your fit: 1. Overall Match: Moderate Fit (Approx. 65-70%). Your resume shows good alignment with several core responsibilities for the Project Manager role, especially your experience in agile methodologies and stakeholder communication. 2. Key Strengths: Your PMP certification and proven track record in delivering projects on time are strong assets for this position. 3. Potential Gap: The role specifies experience with 'XYZ specific software', which is not explicitly mentioned in your resume. If you have this experience, ensure it's highlighted. 4. Recommendation: Consider adding a quantifiable achievement related to budget management, as this is often a key metric for PM roles... Upgrade to Plus ### Cover Letter Assistant Need help writing a compelling cover letter? Our system can analyze this job and your resume to help you draft personalized paragraphs that highlight your strengths and impress hiring managers. Let me help you draft a strong opening... Dear Hiring Manager, I am writing to express my keen interest in the Senior Marketing Manager position. My background in developing data-driven marketing strategies and leading successful product launches, as detailed in my resume, directly aligns with your need for a candidate capable of enhancing brand visibility and driving market share growth. I am confident I can make a significant contribution to your team... Upgrade to Plus ### AI Summary This role is for a Voice Backend Software Engineer at Sutherland, a company focused on AI, automation, and cloud engineering. The position requires 5+ years of experience in Node.js and Java backend development, with strong proficiency in Linux and relational databases (especially PostgreSQL). A major advantage is experience with contact center voice technology, including SIP signaling and RTP streaming, as well as familiarity with platforms like Genesys or Cisco. The engineer will design, develop, and deploy backend solutions, optimize database performance, and collaborate cross-functionally to deliver high-quality software. This is a fully remote, US-based position, with a strong emphasis on real-time communication and contact center domain expertise. ### Role DNA Job Complexity Easy Hard Pace & Pressure Relaxed Fast-paced Autonomy Level Guided Full Ownership Communication Load Independent Highly Collaborative AI Insight Requires 5+ years of backend development with Node.js and Java, plus specialized knowledge of contact center voice technology, real-time protocols, and database optimization. This combination of broad and deep skills makes it challenging. ### Salary Analysis Median Highly Competitive $140,000US Market $100k – 180k 0 $198k AI Insight The salary is not specified in the listing. Based on market data for senior backend engineers with contact center voice expertise, the median salary is approximately $140,000. This is competitive for a remote US position. ### Key Skills Node.js Java Backend Development Contact Center VoIP SIP PostgreSQL Linux Real-Time Communication API Development ### Cover Letter Sample Dear Hiring Manager, I am writing to express my strong interest in the Voice Backend Software Engineer position at Sutherland. With over 5 years of experience developing backend services using Node.js and Java, combined with deep expertise in contact center voice technologies including SIP and RTP, I am confident in my ability to drive digital transformation for your clients. In my previous role, I designed and implemented scalable real-time communication systems, optimizing database performance and ensuring high availability. I am particularly drawn to Sutherland's focus on AI and automation, and I look forward to contributing to your innovative solutions. Thank you for considering my application. I am eager to discuss how my skills align with the needs of your team. Sincerely, [Your Name] Copy ### Possible Interview Questions Describe your experience with SIP signaling and RTP streaming in a contact center environment.I have hands-on experience implementing SIP signaling for call control and RTP for media streaming. In my previous role, I integrated SIP stacks to handle call setup and teardown, and managed RTP streams for audio and video. I also optimized jitter buffers and packet loss handling to ensure high-quality voice communication.How do you optimize PostgreSQL queries for high-throughput applications?I use indexing strategies, analyze query plans with EXPLAIN, and normalize data for efficient joins. For high throughput, I also implement connection pooling, caching with Redis, and batch processing. I have experience with PostgreSQL partitioning and tuning configuration parameters like work_mem and shared_buffers.Explain a challenging production issue you resolved involving Node.js or Java.I once debugged a memory leak in Node.js caused by unclosed event listeners in a long-running service. I used heap dumps and profilers to identify the leak, then refactored the code to properly manage listeners and added graceful shutdown procedures. This reduced memory usage by 40% and improved stability.How do you approach cross-functional collaboration with product and QA teams?I believe in clear communication through daily stand-ups, sprint planning, and code reviews. I work closely with QA to define test cases and automated tests. With product managers, I ensure technical feasibility and provide estimates. I also document architectural decisions to keep everyone aligned.What is your experience with contact center platforms like Genesys or Cisco?I have integrated with Genesys using their API for call routing and IVR systems. I also worked with Cisco Unified Communications Manager to handle call control and CTI. I understand the nuances of contact center operations, such as ACD, skill-based routing, and real-time reporting. ## 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 Sutherlandis searching for a skilled Voice Backend Software Engineer (Node.js and Java) fully remote in the US. 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. ## Qualifications * Minimum of 5 years’ experience in developing backend services and APIs using Node.js & Java. * Experience with contact center voice technology & contact center platforms will be a major advantage * 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 All your information will be kept confidential according to EEO guidelines. EEOC and Veteran Documentation During employment, employees are treated without regard to race, color, religion, sex, national origin, age, marital or veteran status, medical condition or handicap, or any other legally protected status. At times, government agencies require periodic reports from employers on the sex, ethnicity, handicap, veteran and other protected status of employees. The purpose of this Administrative EEO Record is for statistical analysis only and is used to comply with government record keeping, reporting, and other legal requirements. Periodic reports are made to the government on the following information. The completion of the Administrative EEO record is optional. If you choose to volunteer the requested information, please note that all Administrative EEO Records are kept in a Confidential File and are not part of your Application for Employment or Personnel file. Please note: YOUR COOPERATION IS VOLUNTARY. INCLUSION OR EXCLUSION OF ANY DATA WILL NOT AFFECT ANY EMPLOYMENT DECISION. Show more [Apply now >](https://jobicy.com/jobs/147692-voice-backend-software-engineer-node-js-and-java-remote-us.md) > Annual salary information is not provided for this position. 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