Senior Software Engineer

ZoomInfo; Bethesda (MD); On-site; USD 136,290 - 214,170; Full time

Benefits offered by this job

Holistic mind and body programs

Comprehensive benefits

Job summary

A dynamic technology company is seeking a Senior Software Engineer in Bethesda, Maryland. You will design, implement, and maintain high-scale applications using various technologies. The ideal candidate will have significant experience in Node.js and TypeScript, along with a strong understanding of cloud technologies and microservices architecture. This full-time role offers competitive pay and a collaborative work culture.

Qualifications

• 7+ years of software engineering experience, including 3+ years building backend services in Node.js/TypeScript.
• Strong API fundamentals including versioning and secure coding.
• Cloud experience on GCP or AWS and working knowledge of Kubernetes.

Responsibilities

• Design, implement, and own microservices and REST/GraphQL APIs.
• Model data and optimize queries in MongoDB.
• Ship production-ready code with unit/integration tests.

Skills

Node.js

TypeScript

HTML

CSS

Microservices

REST APIs

GraphQL APIs

MongoDB

Redis

Docker

Tools

Jest

Kubernetes

CI/CD

GitHub Actions

Job description

Base pay range

$136,290.00/yr - $214,170.00/yr

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.

At ZoomInfo, we encourage creativity, value innovation, demand teamwork, expect accountability, and cherish results. If you are collaborative, take initiative, and get stuff done we want to talk to you! We have high aspirations for the company and are seeking the right individuals to help bring our dream to life. We strive to continually improve every aspect of the company, utilizing cutting‑edge technologies and processes to delight our customers and rapidly increase revenues.

As a Senior Software Engineer in the Web Applications Team, you will have the chance to experience various technologies, serving high‑scale applications and big data, improving your skills in a worldwide company, and supplying value to our customers. The successful candidate will possess a robust proficiency in Nodejs, TypeScript, HTML, and CSS, coupled with hands‑on experience in Jest and other unit testing frameworks.

What you’ll do:

• Design, implement, and own microservices and REST/GraphQL APIs in Node.js/TypeScript (NestJS preferred)
• Translate product requirements into technical designs; break down work, estimate, and deliver incrementally
• Model data and optimize queries in MongoDB; implement effective caching with Redis (TTL, eviction, hot‑key mitigation)
• Ship production‑ready code with unit/integration tests; participate in on‑call, incident response, and postmortems
• Containerize and deploy via Docker/Kubernetes; automate builds and releases with CI/CD (blue/green or canary)
• Instrument services for logs, metrics, and traces (p95/p99); continuously improve latency, reliability, and cost
• Review code, document designs, and mentor SE II/III engineers; contribute to shared standards and best practices

What you bring:

• 7+ years of software engineering experience, including 3+ years building backend services in Node.js/TypeScript
• Strong API fundamentals: versioning, pagination, authN/Z (OAuth/OIDC), and secure coding (OWASP)
• Hands‑on with NestJS/Express/Fastify; familiarity with microservices patterns and event‑driven workflows
• MongoDB expertise (schema design, indexing, basic sharding concepts) and Redis caching patterns
• Cloud experience on GCP (preferred) or AWS; Docker; working knowledge of Kubernetes; CI/CD with GitHub Actions/Jenkins/GitLab
• Observability skills: Datadog/OpenTelemetry/Prometheus/Grafana; confident debugging in production
• Collaboration and communication skills; bias for clean, well‑tested, and well‑documented code

Advantages

• Kafka or Pub/Sub; API Gateway/Ingress; feature flags; rate limiting and quotas
• Terraform/Helm; security tooling (SonarQube), dependency hygiene, secret management
• Performance profiling, load testing, and practical cost optimization
• Angular knowledge.

Actual compensation offered will be based on factors such as the candidate’s work location, qualifications, skills, experience and/or training. Your recruiter can share more information about the specific salary range for your desired work location during the hiring process. We want our employees and their families to thrive. In addition to comprehensive benefits we offer holistic mind, body and lifestyle programs designed for overall well‑being. Learn more about ZoomInfo benefits here.

Seniority level: Mid‑Senior level

Employment type: Full‑time

Job function: Engineering and Information Technology

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.

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.