L3 Full Stack Engineer

job summary: Exceptional Debugging Skills: Advanced proficiency with Chrome DevTools (Network, Console, Performance profiler, Memory tab) to trace client-side bugs without waiting for backend teams.

Fast-Paced Firefighting Mindset: Demonstrated ability to remain composed under pressure, triage incoming incidents quickly, and push targeted hotfixes under tight timelines.

location: Westlake, Texas job type: Contract salary: $71 - 72 per hour work hours: 8am to 5pm education: Bachelors

responsibilities: Active Firefighting & Triage: Rapidly isolate, reproduce, and resolve critical production and staging defects, with an emphasis on high-visibility demo issues and UI crashes.

Heavy UI Troubleshooting (80%): Debug complex client-side performance bottlenecks, state management issues, broken components, memory leaks, and DOM rendering delays in an enterprise Angular application.

API & Cloud Integration Debugging (20%): Inspect payload mismatches, authentication tokens, network timeouts, and middleware bottlenecks across RESTful APIs, Node.js services, and AWS infrastructure.

Demo & Release Readiness: Partner directly with product, QA, and sales engineering teams to ensure client-facing demo environments remain stable, performant, and zero-defect.

Root-Cause Analysis (RCA): Implement fast, surgical hotfixes to resolve immediate fires, followed by documented root-cause fixes to prevent recurring disruptions.

qualifications: Angular Mastery: 4+ years of deep, practical experience building and debugging complex web applications using modern Angular (v12+). Thorough understanding of RxJS, Observables, component lifecycle, ChangeDetection strategies, routing, and state management.

Node.js & REST APIs: Strong working knowledge of Node.js for diagnosing backend/middleware bottlenecks, analyzing server-side error logs, and fixing REST API payload/contract mismatches.

AWS Cloud Familiarity: Direct experience navigating AWS environments (CloudWatch logs, API Gateway, S3, Lambda, EC2) to trace broken network requests, inspect logs, and locate failing services.

skills: EC2,S3,AWS infrastructure,AWS Cloud,AWS environments,Angular,API Gateway,API,backend,Cloud Integration,CloudWatch,CI/CD,logging,database tuning,Datadog,deployment pipelines,AWS CodePipeline,Lambda,GitHub Actions,Core Java,Jenkins,memory leaks,microservices,middleware,monitoring tools,New Relic,Node.js,site reliability,RESTful APIs,REST APIs,REST API,routing,RxJS,Sentry,Debug,Debugging,Debugging Skills,Splunk,Spring Boot,web apps,Troubleshooting,problem solver,strategies,client-facing,Firefighting,production support,QA,state management,Root-Cause Analysis,sales engineering,server-side,Triage

Equal Opportunity Employer: Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.

At Randstad Digital, we welcome people of all abilities and want to ensure that our hiring and interview process meets the needs of all applicants. If you require a reasonable accommodation to make your application or interview experience a great one, please contact HRsupport@randstadusa.com.

Pay offered to a successful candidate will be based on several factors including the candidate’s education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad Digital offers a comprehensive benefits package, including: medical, prescription, dental, vision, AD&D, and life insurance offerings, short-term disability, and a 401K plan (all benefits are based on eligibility).

This posting is open for thirty (30) days.

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Active Firefighting & Triage: Rapidly isolate, reproduce, and resolve critical production and staging defects, with an emphasis on high-visibility demo issues and UI crashes.

Heavy UI Troubleshooting (80%): Debug complex client-side performance bottlenecks, state management issues, broken components, memory leaks, and DOM rendering delays in an enterprise Angular application.

API & Cloud Integration Debugging (20%): Inspect payload mismatches, authentication tokens, network timeouts, and middleware bottlenecks across RESTful APIs, Node.js services, and AWS infrastructure.

Demo & Release Readiness: Partner directly with product, QA, and sales engineering teams to ensure client-facing demo environments remain stable, performant, and zero-defect.

Root-Cause Analysis (RCA): Implement fast, surgical hotfixes to resolve immediate fires, followed by documented root-cause fixes to prevent recurring disruptions.

EC2,S3,AWS infrastructure,AWS Cloud,AWS environments,Angular,API Gateway,API,backend,Cloud Integration,CloudWatch,CI/CD,logging,database tuning,Datadog,deployment pipelines,AWS CodePipeline,Lambda,GitHub Actions,Core Java,Jenkins,memory leaks,microservices,middleware,monitoring tools,New Relic,Node.js,site reliability,RESTful APIs,REST APIs,REST API,routing,RxJS,Sentry,Debug,Debugging,Debugging Skills,Splunk,Spring Boot,web apps,Troubleshooting,problem solver,strategies,client-facing,Firefighting,production support,QA,state management,Root-Cause Analysis,sales engineering,server-side,Triage