Job Description

ZoomInfo is where careers accelerate. We move fast, think boldly, and empower you to do the best work of your life. You’ll be surrounded by teammates who care deeply, challenge each other, and celebrate wins. With tools that amplify your impact and a culture that backs your ambition, you won’t just contribute. You’ll make things happen–fast.

Senior Software Engineer – Backend:

At ZoomInfo, Talent Solutions (Recruiter Platform & Comparably) is redefining how the world hires. We build next-generation recruitment platforms that empower enterprise talent acquisition teams to source, engage, and hire top-tier candidates at scale, leveraging rich workplace culture, compensation data, and cutting-edge Generative AI and Agentic workflows.

As a Senior Backend Engineer in this space, you will architect high-throughput distributed systems that power intelligent candidate matching, autonomous agentic sourcing flows, and real-time LLM-driven interactions over massive talent graphs. If you love building intelligent, data-intensive products at massive scale using the latest AI paradigms, this is your arena.

What You’ll Do:

• Architectural Leadership: Own the design, evolution, and scaling of core backend services powering TalentOS search, matching, and AI-driven features.
• AI & Agentic Integration: Build robust backend infrastructure for LLM orchestration, intelligent agent workflows, and Model Context Protocol (MCP) integrations to drive automated recruitment intelligence.
• High-Scale Engineering: Engineer secure, performant RESTful APIs and microservices capable of handling heavy concurrent traffic and complex multi-step agent executions.
• Complex Data Ecosystems: Design efficient data models and access patterns across SQL/NoSQL and vector/search databases to query billions of professional data points seamlessly.
• Performance & Reliability: Proactively identify system bottlenecks, optimize cloud infrastructure, and ensure elite uptime SLAs for mission-critical recruitment workflows.
• Technical Mentorship: Elevate the engineering bar by guiding junior talent, spearheading rigorous code reviews, and driving technical execution.

What You Bring:

• Core Experience: 7+ years of rigorous backend engineering experience, with a proven track record of designing and scaling production-grade distributed systems.
• Technical Depth: Expert-level proficiency in at least one modern object-oriented programming language (such as Java, Go, or Python), with a deep understanding of OOP design principles, concurrency, and clean code architecture.
• AI & Modern Tech Fluency: A strong understanding of LLMs, agentic architectures, and emerging standards like Model Context Protocol (MCP), with an enthusiasm for applying modern AI capabilities to backend systems.
• System Design & Cloud Expertise: Strong grasp of distributed systems principles, public cloud infrastructure (AWS/GCP/Azure), and containerization/orchestration tools (Docker, Kubernetes).
• Data Fluency: Hands-on experience with modern SQL/NoSQL databases, caching strategies, and data modeling for high read/write throughput.
• Education: Bachelor’s or Master’s degree in Computer Science (or equivalent practical experience) from a premier institution.

Why ZoomInfo Talent Solutions? You will sit at the bleeding edge of enterprise SaaS and GenAI, building products that completely transform how companies discover and hire talent. We offer the technical autonomy of a high-growth AI-first team paired with the scale of a global industry leader.

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About us:

ZoomInfo (NASDAQ: GTM) is the Go-To-Market Intelligence Platform that empowers businesses to grow faster with AI-ready insights, trusted data, and advanced automation. Its solutions provide more than 35,000 companies worldwide with a complete view of their customers, making every seller their best seller.

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ZoomInfo may use a software-based assessment as part of the recruitment process. More information about this tool, including the results of the most recent bias audit, is available here.

ZoomInfo is proud to be an equal opportunity employer, hiring based on qualifications, merit, and business needs, and does not discriminate based on protected status. We welcome all applicants and are committed to providing equal employment opportunities regardless of sex, race, age, color, national origin, sexual orientation, gender identity, marital status, disability status, religion, protected military or veteran status, medical condition, or any other characteristic protected by applicable law. We also consider qualified candidates with criminal histories in accordance with legal requirements.

For Massachusetts Applicants: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability. ZoomInfo does not administer lie detector tests to applicants in any location.