Mid-level App Support Engineer – ReactJS, Python APIs & Azure CloudLocation: Mexico CitySchedule: Hybrid - 2 - 3 daysAbout the RoleWe are looking for a proactive and technically strong Support Engineer to provide production and application support for modern cloud-native applications built on ReactJS, FastAPI/Django, and Azure services.
The idóneo candidate should have hands-on experience in monitoring, troubleshooting, incident management, root cause analysis, and operational support across frontend, backend, APIs, search, and cloud infrastructure components.This role requires strong analytical skills, a customer-first mindset, and the ability to work closely with development, DevOps, and product teams to ensure high application availability, performance, and reliability.Key Responsibilities- Provide L2/L3 application and production support for web applications and backend services running on Azure.
- Monitor, troubleshoot, and resolve issues across:- ReactJS applications hosted on Azure Static Web Apps- FastAPI/Django services hosted on Azure App Service and Azure Container Apps- API integrations exposed through Azure API Management (APIM)- Investigate and resolve incidents related to application performance, API failures, authentication issues, deployment issues, and infrastructure health.
- Use Azure Log Analytics and Application Insights to monitor system behavior, identify anomalies, analyze logs, and perform root cause analysis.
- Support applications leveraging Azure AI Search and Azure AI Foundry components, including troubleshooting indexing, search relevance, model/service integration, and inference-related issues.
- Monitor and support Redis caching and PostgreSQL database performance, connectivity, and reliability.




- Collaborate with engineering teams to identify recurring issues and drive permanent fixes.
- Participate in incident management, problem management, and change/release support processes.
- Create and maintain runbooks, troubleshooting guides, SOPs, and knowledge base articles.
- Support release validation, smoke testing, and post-deployment monitoring.
- Track SLAs, incident trends, and operational metrics to improve support processes.
- Work with cross-functional teams to enhance observability, alerting, and support readiness.
- Participate in on-call or shift-based support, if required.Required Technical SkillsApplication & Platform Support- Strong experience in application support/production support/site support for cloud-hosted applications.
- Good understanding of frontend support for ReactJS applications.
- Experience supporting Python-based APIs, preferably FastAPI and Django.
- Knowledge of REST APIs, request/response lifecycle, API authentication, and debugging tools such as Postman.Azure Services- Hands-on experience with:- Azure Static Web Apps- Azure App Service- Azure Container Apps- Azure API Management (APIM)- Azure Log Analytics- Application Insights- Ability to monitor application health, analyze telemetry,



and troubleshoot deployment/runtime issues in Azure.Search / AI Services- Experience supporting solutions built with:- Azure AI Search- Azure AI Foundry (or Azure OpenAI / AI service integrations)- Familiarity with troubleshooting search indexing, query issues, search relevance, and AI workflow/service connectivity.Data & Caching- Working knowledge of:- Redis- PostgreSQL- Ability to troubleshoot query performance, connection issues, caching behavior, and data-related problems.Monitoring & Troubleshooting- Strong experience in:- Log analysis- Incident triaging- Root cause analysis (RCA)- Alert handling- Performance troubleshooting- Familiar with dashboards, telemetry, metrics, and distributed application monitoring.Required Qualifications- Bachelor's degree in Computer Science, Information Technology, or a related field.
- 3–6 years of experience in application support, production support, or cloud support engineering.
- Hands-on experience supporting distributed applications in Azure cloud environments.
- Strong understanding of web applications, APIs, cloud services, and modern support practices.
- Excellent problem-solving and debugging skills.
- Good verbal and written communication skills.
- Ability to work with cross-functional teams in a fast-paced environment.Preferred Qualifications- Experience with DevOps processes, CI/CD pipelines, and release support.
- Familiarity with containerized workloads and basic container debugging.
- Exposure to SRE/observability practices.
- Knowledge of authentication/authorization concepts such as OAuth, JWT, and Azure AD integrations.
- Experience working in an SLA-driven support environment.
- Understanding of ITIL incident/problem/change management processes.

📌 Azure Support Engineer (Xico)
🏢 E-IT
📍 Xico