Vonage
Tech / AI / Software
SeniorBackendEngineer–Identity&SecurityPlatform
“Senior Backend Engineer – Identity & Security Platform at Vonage. Skills: Node.js, AWS, Microservices architecture, PostgreSQL, Authentication, Authorization. Design, develop, and maintain authentication and authorization microservices (backend-heavy, full-stack) serving the VBC and VCC platforms. Take full ownership of features end-to-end — from requirement kick-off and solution design through implementation, code review, testing, production deployment, and post-deploy monitoring”
What You'll Achieve.
keep that door secure, reliable, and scalable for hundreds of thousands of business users worldwide; processing hundreds of thousands of requests per minute in production; affect the security and availability of Vonage's entire product suite; real impact visible at scale from day one; enhance personal productivity, code quality, and delivery speed
Industry & Context.
investigating issues; driving root cause analysis
on-call rotation
What They're Looking For.
Must Have
5+ years of professional software engineering experience, with a track record of delivering production-quality software in a team environment, Full-Stack developer with a server-side orientation — comfortable owning backend services while able to contribute to frontend when needed, Proficiency in Node.js — ability to design, build, and maintain scalable backend services in JavaScript/TypeScript, Hands-on AWS experience — working knowledge of core AWS services (EKS/Kubernetes, EC2, Secrets Manager, WAF, S3, CloudFront, Lambda, ElastiCache), Microservices architecture — experience designing and operating distributed microservice systems, including service-to-service communication, event-driven patterns (Kafka), and API design, PostgreSQL / relational databases — proficiency in schema design, query optimization, and database best practices, AI-augmented development — active user of AI coding assistants (GitHub Copilot, Claude Code, Cursor, or equivalent) as part of everyday development workflow, software engineering fundamentals — SOLID principles, design patterns, clean code, unit and integration testing
Nice to Have
Authentication & Authorization deep knowledge — hands-on experience implementing OAuth 2.0, OIDC, SAML, JWT, MFA, SSO, SCIM, or RBAC/ABAC systems, NestJS — experience building backend services with the NestJS framework (the team's emerging standard for VCC services), DevOps practices — familiarity with CI/CD pipelines, GitHub Actions, infrastructure-as-code (Terraform / CloudFormation / Helm charts), and Kubernetes manifests, C# and/or Java— working knowledge of either language, useful for contributing to legacy components and cross-team integrations
What You'll Do.
and maintain authentication and authorization microservices (backend-heavy
full-stack) serving the VBC and VCC platforms
Take full ownership of features end-to-end — from requirement kick-off and solution design through implementation
production deployment
and post-deploy monitoring
Manage production deployments using CI/CD pipelines (GitHub Actions / Bolt)
including smoke tests
log analysis (Kibana / Grafana)
and incident response
Implement and maintain security-critical flows including OAuth 2.0
and inter-service authentication patterns
Write and maintain technical documentation — architecture decision records
and knowledge-transfer materials
Participate in on-call rotation (OpsGenie)
responding to production alerts
and driving root cause analysis
Leverage AI-assisted development tools (e.g.
Claude Code) to enhance personal productivity
How You'll Work.
Team & Collaboration
Participate actively in Agile ceremonies — daily stand-ups, sprint planning, retrospectives, and design discussions — contributing concrete technical insights and surfacing risks early; code review; knowledge-transfer materials
Process & Methodology
Agile ceremonies
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