Core Support - Full Stack Engineer (.Net, JS, React)

Luxoft; India; On-site; INR 1,600,000 - 2,300,000; Full time

Job summary

Luxoft is seeking a Senior Full Stack Support Engineer to own incident management, triage, and rapid restoration for a complex platform. You will troubleshoot across UI, APIs, data and infrastructure, working with App Dev, DevOps, and security teams to drive quick resolutions and postmortem improvements.

The role emphasizes strong communication, React + GraphQL expertise, and experience with modern CI/CD (GitHub Actions) in a fast-paced environment.

Qualifications

• Bachelor's degree in computer science/IT or related field.
• GraphQL (server + client)
• 5+ years of experience supporting web applications; Advanced .NET Core API design.
• 3+ years of experience supporting JavaScript with React v18+ with modern patterns or equivalent
• Software packaging and release management using GitHub
• Effective communication (verbal + written)
• Excel at triage or analysis of situations for production support

Responsibilities

• Triage & Incident Ownership: rapid intake, triage, prioritization of alerts, tickets, and incidents.
• Troubleshooting & Restoration: root-cause analysis across app, middleware, APIs, data, and infra; use observability tools to identify issues.
• Cross-Team Collaboration: work with App Dev, DevOps, Database, Network, Security, QA and vendors; provide context and evidence.
• Platform & Application Stack Awareness: map UI/frontend, backend services, APIs, queues, databases, containers, orchestration, networking.

Skills

GraphQL

React

GitHub

Communication

Triage & analysis

Education

Bachelor's degree in computer science/information technology or related field

Tools

Datadog

Grafana

Docker

Kubernetes

GitHub Actions

Job description

Project description

As a Senior Full Stack 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.

Responsibilities

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

SKILLS

Must have

• Bachelor's degree in computer science/information technology or related field
• GraphQL (server + client)
• 5+ years of experience in support of web applications, Advanced .NET Core API design.
• 3+ years of experience in supporting JavaScript with React v18+ with modern patterns or equivalent experience
• 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

• HTML, JavaScript, CSS
• Git/GitHub Code Repositories
• Datadog / Grafana (observability)
• Docker / Kubernetes basics
• Distributed system architecture
• GitHub Actions / Advanced CI/CD