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.
Skills Required
- 6+ years of experience with ReactJS, JavaScript ES6+, TypeScript, HTML5, CSS3, and frontend state management libraries
- 3+ years of experience with Node.js and Express or NestJS
- 7 to 8 years of experience in frontend/full-stack development, sustaining engineering, or L3 support
- Experience with RESTful API integration, asynchronous programming, and middleware architectures
- Proficiency with Chrome DevTools, React DevTools, and error-tracking tools such as Sentry, LogRocket, or Datadog
- Experience querying application logs and metrics using Splunk, Kibana, Grafana, or CloudWatch
- Strong knowledge of Git workflows, branching strategies, and CI/CD pipelines using GitHub Actions, Jenkins, or GitLab CI
- Bachelor's or Master's degree in Computer Science, Information Technology, or a related engineering field
- Mandatory flexibility to work rotating 24/7 shifts, including nights, weekends, and holidays
- Excellent written and verbal English communication skills, including technical RCA writing
Blue Yonder Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Blue Yonder and has not been reviewed or approved by Blue Yonder.
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Leave & Time Off Breadth — PTO is described as generous or “unlimited” in the U.S., alongside paid holidays, sick time, and two paid volunteer days. These policies are often highlighted as strengths that support work–life balance.
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Flexible Benefits — Remote-work options and flexible arrangements are emphasized as part of the package. This flexibility is valued alongside compensation and can help offset middling pay for some roles.
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Healthcare Strength — Medical, dental, and vision coverage are provided, with mental health/EAP support and HSA/FSA options referenced. These core coverages are portrayed as solid and comprehensive.
Blue Yonder Insights
What We Do
Blue Yonder is the world leader in digital supply chain and omni-channel commerce fulfillment. Our intelligent, end-to-end platform enables retailers, manufacturers and logistics providers to seamlessly predict, pivot and fulfill customer demand. With Blue Yonder, you can make more automated, profitable business decisions that deliver greater growth and re-imagined customer experiences. Blue Yonder - Fulfill your Potential Blue Yonder’s tagline “Fulfill Your Potential” reflects the company’s mission to empower every organization and person on the planet to fulfill their potential. Each day, our global teams of associates and business partners work together to accelerate global economic growth, increase sustainability and prosperity with a Sonoran Spirit.
