Technical Architect Cloud - React L3 Support

Technical Architect Cloud - React L3 Support

Overview:

• We are seeking an experienced Senior UI / Full-Stack Sustaining Engineer with 7–8 years of hands-on experience in ReactJS and Node.js. In this role, you will be the core technical escalation point responsible for investigating, debugging, and resolving complex, customer-reported frontend and middleware issues in production environments.

What you will do:

• Customer Issue Triage & Root Cause Analysis: Investigate, reproduce, and resolve critical production defects and performance bottlenecks reported by enterprise customers across UI layers and Node.js backends.

• Code Remediation & Hotfixing: Author clean, maintainable bug fixes, patches, and hotfixes with minimal turnaround time while ensuring zero regression.

• Live Production Debugging: Utilize browser developer tools, network analyzers, APM tracing tools, and server-side log analytics to isolate issues in real time.

• Cross-Functional Collaboration: Partner closely with  core product engineering, QA, and Site Reliability Engineering (SRE) teams to drive issues to resolution.

• Documentation & Prevention: Document Root Cause Analyses (RCAs), author technical troubleshooting runbooks, and provide feedback to core product teams to prevent recurring defects.

• Shift Operations: Actively participate in a 24/7 rotational shift model, ensuring SLA compliance for high-priority incidents (Sev-1 / Sev-2).

What we are looking for:

• Frontend Mastery: 6+ years of strong experience in ReactJS, JavaScript (ES6+), TypeScript, HTML5, CSS3, and state management libraries (Redux, Zustand, Context API).

• Backend / Middleware: 3+ years of experience with Node.js and Express/NestJS, including RESTful API integration, asynchronous programming, and middleware architectures.

• Advanced Debugging: Deep proficiency in Chrome DevTools (Performance, Memory Profiler, Network), React DevTools, and error-tracking tools (Sentry, LogRocket, or Datadog).

• Observability & Logging: Hands-on experience querying application logs and metrics using tools such as Splunk, Kibana, Grafana, or CloudWatch.

• Version Control & CI/CD: Strong knowledge of Git workflows, branching strategies, and CI/CD pipelines (GitHub Actions, Jenkins, or GitLab CI).

• Qualifications & Shift Requirements:

• Experience: 7 to 8 years in frontend/full-stack development or sustaining engineering/L3 support.

• Education: Bachelor’s or Master’s degree in Computer Science, Information Technology, or a related engineering field.

• Shift Readiness: Mandatory flexibility to work in a rotating 24/7 shift schedule (including day, swing, night, and weekend shifts).

• Communication: Excellent written and verbal English communication skills, with experience writing crisp technical RCAs and communicating with global customer-facing

Our Values

If you want to know the heart of a company, take a look at their values. Ours unite us. They are what drive our success – and the success of our customers. Does your heart beat like ours? Find out here: Core Values

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status.

Experience Level

Senior Level