ZoomInfo is a Go-To-Market Intelligence Platform that empowers businesses to grow faster with AI-ready insights and trusted data. As a Senior Software Engineer on the API & MCP Platform team, you ...
ZoomInfo
6 Zoominfo Senior Software Engineer Jobs Hiring Near You
ZoomInfo is a Go-To-Market Intelligence Platform that empowers businesses to grow faster with AI-ready insights and trusted data. As a Senior Software Engineer on the API & MCP Platform team, you ...
Senior Software Engineer
Toronto, ON · On-site
$140 - $190/hr
ZoomInfo is where careers accelerate. We move fast, think boldly, and empower you to do the best ... What you bring: * 8+ years of software engineering experience, or equivalent, including building ...
Senior Software Engineer
Toronto, ON · On-site
$140 - $190/hr
ZoomInfo is where careers accelerate. We move fast, think boldly, and empower you to do the best ... What you bring: * 8+ years of software engineering experience, or equivalent, including building ...
Principal Software Engineer - Data
$138K - $185K/yr
ZoomInfo is where careers accelerate, and they are seeking an experienced Principal Software Engineer (Data) to join their collaborative data team. This role involves driving the direction of ...
Principal Software Engineer - Data
$138K - $185K/yr
ZoomInfo is where careers accelerate, and they are seeking an experienced Principal Software Engineer (Data) to join their collaborative data team. This role involves driving the direction of ...
Senior Software Engineer Toronto, Ontario, Canada
Toronto, ON · On-site
$140 - $190/hr
ZoomInfo is where careers accelerate. We move fast, think boldly, and empower you to do the best ... What you bring: * 8+ years of software engineering experience, or equivalent, including building ...
New
Senior Software Engineer Toronto, Ontario, Canada
Toronto, ON · On-site
$140 - $190/hr
ZoomInfo is where careers accelerate. We move fast, think boldly, and empower you to do the best ... What you bring: * 8+ years of software engineering experience, or equivalent, including building ...
New
Senior Software Engineer - CICD
Toronto, ON · On-site
$224.89 - $337.34/hr
ZoomInfo is where careers accelerate. We move fast, think boldly, and empower you to do the best ... Partner with distributed teams of architects, infrastructure and security engineers, and every ...
Senior Software Engineer - CICD
Toronto, ON · On-site
$224.89 - $337.34/hr
ZoomInfo is where careers accelerate. We move fast, think boldly, and empower you to do the best ... Partner with distributed teams of architects, infrastructure and security engineers, and every ...
Senior Product Manager - Mesh
Vancouver, WA · On-site
$133K - $176K/yr
... of engineers. • Familiarity with AI/LLM products -- you understand the basics of how ... software or internal tools Company : ZoomInfo offers a platform for accessing business contact ...
Senior Product Manager - Mesh
Vancouver, WA · On-site
$133K - $176K/yr
... of engineers. • Familiarity with AI/LLM products -- you understand the basics of how ... software or internal tools Company : ZoomInfo offers a platform for accessing business contact ...
ZoomInfo Jobs Information
Does ZoomInfo pay people when they’re sick?
Yes. Most people get paid when they’re sick.
100% of people say they would get paid if they were sick but scheduled to work.
Based on data from 7 people who took the Breakroom Quiz between January 2025 and April 2026.
100% of people say they would get paid if they were sick but scheduled to work.
Based on data from 7 people who took the Breakroom Quiz between January 2025 and April 2026.
How easy is it to get time off at ZoomInfo?
Most people find it easy to get time off.
83% of people report it’s easy to get time off.
Based on data from 6 people who took the Breakroom Quiz between January 2025 and April 2026.
83% of people report it’s easy to get time off.
Based on data from 6 people who took the Breakroom Quiz between January 2025 and April 2026.
How easy is it to take sick days at ZoomInfo?
Most people find it easy to take sick days.
86% of people report that it’s easy to take time off if they are sick.
Based on data from 7 people who took the Breakroom Quiz between January 2025 and April 2026.
86% of people report that it’s easy to take time off if they are sick.
Based on data from 7 people who took the Breakroom Quiz between January 2025 and April 2026.
Do people at ZoomInfo feel treated with respect by their managers?
Most people feel treated with respect by their managers.
100% of people say they’re treated with respect by their managers.
Based on data from 7 people who took the Breakroom Quiz between January 2025 and April 2026.
100% of people say they’re treated with respect by their managers.
Based on data from 7 people who took the Breakroom Quiz between January 2025 and April 2026.
Do people at ZoomInfo get to take their breaks without interruption?
Most people get breaks without interruption.
83% of people report that they get to take their breaks without interruption.
Based on data from 6 people who took the Breakroom Quiz between January 2025 and April 2026.
83% of people report that they get to take their breaks without interruption.
Based on data from 6 people who took the Breakroom Quiz between January 2025 and April 2026.
Is it stressful to work at ZoomInfo?
Most people feel stressed out here.
100% of people say they often feel stressed out at work.
Based on data from 7 people who took the Breakroom Quiz between January 2025 and April 2026.
100% of people say they often feel stressed out at work.
Based on data from 7 people who took the Breakroom Quiz between January 2025 and April 2026.
Do people at ZoomInfo enjoy their jobs?
Only some people enjoy their job.
60% of people report they don’t enjoy their job.
Based on data from 5 people who took the Breakroom Quiz between January 2025 and April 2026.
60% of people report they don’t enjoy their job.
Based on data from 5 people who took the Breakroom Quiz between January 2025 and April 2026.
Do people at ZoomInfo recommend working with their team?
Not many people recommend working with their team.
86% of people report that they wouldn’t recommend working with their immediate team to a friend.
Based on data from 7 people who took the Breakroom Quiz between January 2025 and April 2026.
86% of people report that they wouldn’t recommend working with their immediate team to a friend.
Based on data from 7 people who took the Breakroom Quiz between January 2025 and April 2026.
Do people get enough training when they start at ZoomInfo?
Some people didn’t get enough training when they started.
43% of people report they didn’t get enough training when they started working here.
Based on data from 7 people who took the Breakroom Quiz between January 2025 and April 2026.
43% of people report they didn’t get enough training when they started working here.
Based on data from 7 people who took the Breakroom Quiz between January 2025 and April 2026.
Do people get support to advance at ZoomInfo?
Most people are given support to advance their career here.
In the last year, 80% of people report being given support to advance their career here.
Based on data from 5 people who took the Breakroom Quiz between January 2025 and April 2026.
In the last year, 80% of people report being given support to advance their career here.
Based on data from 5 people who took the Breakroom Quiz between January 2025 and April 2026.
Do people think ZoomInfo’s headquarters understands what’s happening where they work?
Most people think headquarters doesn’t understand what’s happening where they work.
80% of people think that this employer’s headquarters or owners don’t have a good understanding of what’s really happening where they work.
Based on data from 5 people who took the Breakroom Quiz between January 2025 and April 2026.
80% of people think that this employer’s headquarters or owners don’t have a good understanding of what’s really happening where they work.
Based on data from 5 people who took the Breakroom Quiz between January 2025 and April 2026.
What other companies are hiring for Senior Software Engineer jobs?
What are the most popular jobs at Zoominfo?
What are the most popular categories at Zoominfo?
Full-time
This job post has expired 1 day ago. Applications are no longer accepted.
ZoomInfo rating
8.9
Based on 7 frontline employees who took The Breakroom Quiz
34th of 217 rated software companies
Job description
Job Summary:
ZoomInfo is a Go-To-Market Intelligence Platform that empowers businesses to grow faster with AI-ready insights and trusted data. As a Senior Software Engineer on the API & MCP Platform team, you will design and develop scalable API infrastructures that handle millions of API calls, ensuring secure connectivity for customers and partners.
Responsibilities:
• Design, develop, and maintain scalable RESTful APIs using Java and NestJS framework
• Build APIs that power company and contact data enrichment, search, and intelligence capabilities
• Architect and implement secure authentication and authorization systems using OAuth 2.0
• Build high-performance API gateways with advanced rate limiting, throttling, and quota management
• Design and implement MCP (Model Context Protocol) tools and servers to enable AI-powered integrations
• Establish and enforce API design standards, versioning strategies, and best practices across the organization
• Optimize API performance, caching strategies, and response times for high-volume traffic (millions of calls daily)
• Design and implement comprehensive API documentation, SDKs, and developer tools
• Create MCP tool schemas, implement prompt best practices, and optimize tool discovery patterns
• Collaborate with product and integration teams to define API contracts and service-level agreements (SLAs)
• Implement monitoring, logging, and analytics for API usage patterns and performance metrics
• Participate in code reviews and mentor team members on API and MCP best practices
• Troubleshoot and resolve production issues in distributed API systems
• Contribute to technical architecture decisions for API platform evolution
Qualifications:
Required:
• Bachelor's degree in Computer Science, a related field, or equivalent practical experience
• 5+ years of experience in software development with strong focus on API development
• 3+ years of experience designing and implementing RESTful APIs and microservices at scale
• Strong expertise in Java frameworks (Spring Boot, Spring Security, Maven/Gradle)
• Strong expertise in NestJS framework
• Deep understanding of OAuth 2.0, OpenID Connect, JWT, and API security best practices
• Experience with API gateway technologies
• Proficiency with API design patterns, versioning, and documentation (OpenAPI/Swagger)
• Strong knowledge of rate limiting, throttling, and API scalability strategies
• Understanding of distributed systems and high-availability architectures
• Experience with MCP (Model Context Protocol) tool creation and implementation
Preferred:
• Experience releasing production MCP tools and servers
• Deep knowledge of MCP best practices, prompt engineering, and tool design patterns
• Familiarity with AI/LLM integration patterns and context management
• Experience with cloud platforms (AWS, GCP, or Azure)
• Knowledge of containerization and orchestration (Docker, Kubernetes)
• Experience with CI/CD pipelines and automated API testing
• Familiarity with message queuing systems (Kafka, RabbitMQ)
• Experience building developer portals and API documentation platforms
• Background in platform engineering or developer experience (DX) initiatives
• Active contributions to open-source API projects or MCP tool repositories
Company:
ZoomInfo offers a platform for accessing business contact information, company profiles, and sales intelligence tools. It is a sub-organization of DiscoverOrg. Founded in 2000, the company is headquartered in Vancouver, USA, with a team of 1001-5000 employees. The company is currently Late Stage.
ZoomInfo is a Go-To-Market Intelligence Platform that empowers businesses to grow faster with AI-ready insights and trusted data. As a Senior Software Engineer on the API & MCP Platform team, you will design and develop scalable API infrastructures that handle millions of API calls, ensuring secure connectivity for customers and partners.
Responsibilities:
• Design, develop, and maintain scalable RESTful APIs using Java and NestJS framework
• Build APIs that power company and contact data enrichment, search, and intelligence capabilities
• Architect and implement secure authentication and authorization systems using OAuth 2.0
• Build high-performance API gateways with advanced rate limiting, throttling, and quota management
• Design and implement MCP (Model Context Protocol) tools and servers to enable AI-powered integrations
• Establish and enforce API design standards, versioning strategies, and best practices across the organization
• Optimize API performance, caching strategies, and response times for high-volume traffic (millions of calls daily)
• Design and implement comprehensive API documentation, SDKs, and developer tools
• Create MCP tool schemas, implement prompt best practices, and optimize tool discovery patterns
• Collaborate with product and integration teams to define API contracts and service-level agreements (SLAs)
• Implement monitoring, logging, and analytics for API usage patterns and performance metrics
• Participate in code reviews and mentor team members on API and MCP best practices
• Troubleshoot and resolve production issues in distributed API systems
• Contribute to technical architecture decisions for API platform evolution
Qualifications:
Required:
• Bachelor's degree in Computer Science, a related field, or equivalent practical experience
• 5+ years of experience in software development with strong focus on API development
• 3+ years of experience designing and implementing RESTful APIs and microservices at scale
• Strong expertise in Java frameworks (Spring Boot, Spring Security, Maven/Gradle)
• Strong expertise in NestJS framework
• Deep understanding of OAuth 2.0, OpenID Connect, JWT, and API security best practices
• Experience with API gateway technologies
• Proficiency with API design patterns, versioning, and documentation (OpenAPI/Swagger)
• Strong knowledge of rate limiting, throttling, and API scalability strategies
• Understanding of distributed systems and high-availability architectures
• Experience with MCP (Model Context Protocol) tool creation and implementation
Preferred:
• Experience releasing production MCP tools and servers
• Deep knowledge of MCP best practices, prompt engineering, and tool design patterns
• Familiarity with AI/LLM integration patterns and context management
• Experience with cloud platforms (AWS, GCP, or Azure)
• Knowledge of containerization and orchestration (Docker, Kubernetes)
• Experience with CI/CD pipelines and automated API testing
• Familiarity with message queuing systems (Kafka, RabbitMQ)
• Experience building developer portals and API documentation platforms
• Background in platform engineering or developer experience (DX) initiatives
• Active contributions to open-source API projects or MCP tool repositories
Company:
ZoomInfo offers a platform for accessing business contact information, company profiles, and sales intelligence tools. It is a sub-organization of DiscoverOrg. Founded in 2000, the company is headquartered in Vancouver, USA, with a team of 1001-5000 employees. The company is currently Late Stage.