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Luxoft is an IT consulting and software engineering services firm that provides bespoke technology solutions to external clients, often operating as a staff augmentation or professional services provider.

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Posted 5d ago

Middle React JS Support Engineer

@ Luxoft
View All Jobs
India
RemoteFull Time
Responsibilities:triaging incidents, troubleshooting issues, collaborating teams
Requirements Summary:4+ years application support for web apps; strong React v18+ and JavaScript (ES6) experience; experience with Vite, GitHub, observability tools; strong triage, communication, and troubleshooting skills.
Technical Tools Mentioned:React, Vite, ES6, GitHub, Kibana, Dynatrace, CloudWatch, Grafana, GraphQL, Apollo Client, React Query, TypeScript, SCSS, CSS Modules, React Hook Form, Vitest, Zustand, HTML, JavaScript, CSS, Git
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Job Description

Project description

As a REACT Support Engineer, you will be responsible for Eyes on glass Monitoring, Triage & Incident Ownership, Troubleshooting & Restoration, Cross-Team Collaboration, Platform & Application Stack Awareness and Service Quality & Process Excellence for the client's Web platform.

Responsibilities

  • Triage & Incident Ownership
  • Perform rapid intake, triage, and prioritization of alerts, tickets, and incidents.
  • Act as Incident Owner during high-severity events, ensuring clear communication, timely updates, and swift restoration of service.
  • Maintain accurate, real-time incident timelines and post-incident documentation.
  • Troubleshooting & Restoration
  • Execute root-cause isolation across application, middleware, APIs, data, and infrastructure layers.
  • Use observability/monitoring tools (e.g., Kibana, Dynatrace, CloudWatch, Grafana) to correlate logs, metrics, and traces; identify anomalies, performance bottlenecks, and failure patterns.
  • Perform targeted mitigations, rollbacks, config fixes, and coordinate hotfixes to restore service quickly.
  • Cross-Team Collaboration
  • Engage with App Dev, DevOps, Database, Network, Security, QA, and vendor partners to drive efficient problem resolution.
  • Provide clear technical context, hypothesis-driven analysis, and evidence from monitoring tools to accelerate fixes.
  • Facilitate postmortems and continuous improvement actions.
  • Platform & Application Stack Awareness
  • Identify and recognize the application stack (UI-frontend, backend services, APIs, queues, databases, caches, containers, orchestration, networking) for each impacted service to quickly isolate the source of issues.
  • Maintain runbooks, service maps, and dependency diagrams to speed up diagnosis.
  • Service Quality & Process Excellence
  • Contribute to automation and self-healing routines (alert tuning, auto-remediation, playbooks).
  • Recommend monitoring gaps to improve observability

Skills

Must have

  • 4+ years of experience in application support of web applications.
  • 4+ years of experience supporting JavaScript with React v18+ with modern patterns, Vite (current build tool) and ES6 or equivalent experience
  • Advanced knowledge of software engineering standard processes such as versioning and version control, software packaging, and software release management using GitHub
  • Effective Communication (verbal + written)
  • Excel at triage or analysis of situations for production support

Nice to have

  • GraphQL / Apollo Client
  • React Query (@tanstack/react-query)
  • TypeScript (strict mode)
  • SCSS / CSS Modules
  • React Hook Form
  • Vitest testing framework
  • Zustand (state management) OOO Experience
  • HTML, JavaScript, CSS
  • Git/GitHub Code Repositories

Other

Languages: English: B2 Upper Intermediate

Seniority: Regular