Application Support Engineer (L2/L3) - .NET Fullstack

IMRIEL Technology Solutions Private Limited; Pune District; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

IMRIEL Technology Solutions Private Limited is seeking an Application Support Engineer (L2/L3) in Pune. You will solve complex issues, optimize enterprise-grade applications, and uphold production resilience across APIs, microservices, and Azure infrastructure.

The role emphasizes deep technical troubleshooting, modern cloud architecture, and continuous skill sharpening with cutting-edge tools, with 4–8 years of experience and Pune location.

Qualifications

• 4–8 years in .NET development or L2–L3 support with SLA management and incident triage.
• Strong experience with .NET 6/7/8, C#, ASP.NET Core, EF Core, Web API.
• Proficient in SQL Server, query tuning, indexing, and execution plans.
• Familiar with Azure cloud services, CI/CD pipelines, and container deployments.
• Experience with observability tools (App Insights, New Relic, ELK) and AI-assisted tooling.
• Strong communication, Agile participation, and willingness for night shifts.

Responsibilities

• Lead L2/L3 incident triage, RCA, log analysis, and defect resolution across projects.
• Maintain and enhance backend APIs and web apps (.NET) and frontend (Angular/React).
• Use AI tools to accelerate debugging, refactoring, testing, and RCA docs.
• Tune SQL Server queries, optimize performance, and monitor health with observability tools.
• Support Azure services, CI/CD pipelines, and container deployments (Docker/Kubernetes).
• Adhere to ITSM/SLA, implement security practices, and mentor junior engineers.

Skills

NET development

L2/L3 support

Azure knowledge

SQL Server

Frontend frameworks

CI/CD

Docker/Kubernetes

AI tools

Logging/Observability

Tools

Azure DevOps

GitHub Actions

App Insights

New Relic

ELK

Docker

Kubernetes

Job description

We at IMRIEL (An Allata Company) have cultivated an exceptional environment with advanced technologies and driven by a culture of continuous learning, collaboration, and engineering excellence. We are looking for a smart, passionate, and analytical Application Support Engineer (L2/L3) who thrives on solving complex problems, optimizing high-performing systems, and maintaining production resilience for enterprise-grade applications.

If you are energized by deep technical troubleshooting, modern cloud architecture, and continuously sharpening your skills with cutting-edge engineering tools, this opportunity is for you.

Experience: 4 to 8 years.

Location: Pune

Key Responsibilities:

• L2/L3 Support & Multi-Project Triage: Support and own incident triage, root-cause analysis (RCA), log analysis, and defect resolution across multiple concurrent client projects, APIs, microservices, and Azure cloud infrastructure.
• .NET & Frontend Engineering: Maintain and enhance backend APIs and web applications built with .NET 8/7/6, C#, ASP.NET Core, EF Core, and modern frontend frameworks (Angular or React).
• AI-Assisted Development (AIED): Leverage AI tools (GitHub Copilot, Claude, Cursor) to accelerate debugging, code refactoring, log analysis, automated testing, and RCA documentation.
• Performance Tuning & Observability: Optimize SQL Server queries, execution plans, indexing, and caching; monitor application health using App Insights, New Relic, or ELK.
• Cloud, DevOps & Containers: Support Azure services (App Services, Functions, Key Vault, Service Bus), maintain Azure DevOps / GitHub Actions CI/CD pipelines, and support Docker/Kubernetes container deployments.
• Operations, Security & Mentorship: Adhere to ITSM/SLA standards using Helpdesk tools, enforce OWASP security and OAuth 2.0 practices, maintain runbooks/SOPs, and mentor junior engineers.

What you need:

Basic Skills & Qualifications

• Experience & Support: 4 to 8 years in .NET development/L2-L3 support covering SLA management, incident triage, log analysis, RCA, and managing support across multiple parallel project workstreams.
• Core Tech Stack: C#, .NET 8/7/6, ASP.NET Core, Web API, Entity Framework Core, LINQ, and modern frontend frameworks (Angular or React) with TypeScript, HTML5, and CSS3.
• Database Mastery: SQL Server/T-SQL expertise, including query tuning, indexing, stored procedures, and execution plan analysis.
• Architecture & Clean Code: Strong understanding of OOP, SOLID principles, Clean Architecture, and secure coding practices (OWASP, OAuth 2.0, OpenID Connect).
• Cloud & DevOps: Experience with Microsoft Azure (App Services, Functions, Key Vault, Service Bus), CI/CD pipelines (Azure DevOps/GitHub Actions), Git, Docker, and Kubernetes basics.
• Observability & AI Tools: Hands-on experience with monitoring platforms (App Insights, New Relic, ELK) and AI-assisted engineering tools (GitHub Copilot, Claude, Cursor).
• Soft Skills & Process: Excellent communication skills, active participation in Agile ceremonies, experience mentoring junior engineers, and readiness for US-aligned night shifts.

Good to Have

• Microservices, Domain-Driven Design (DDD), CQRS, and event-driven architecture.
• Redis, RabbitMQ, Kafka, or NoSQL (MongoDB).
• Infrastructure as Code (Terraform/Bicep) and SRE deployment strategies (Blue/Green, Canary).
• Active Azure, AWS, or GCP certifications.

Personal Attributes

• Multi-Tasking & Ownership: Strong ability to prioritize, context-switch seamlessly, and maintain strict SLAs across multiple live application environments simultaneously.
• Resilience & Growth: Strong accountability for production uptime, analytical troubleshooting, and eagerness to adopt modern AI tools and engineering practices.
• Intellectual curiosity and willingness to adopt new tools, technologies, frameworks, and engineering practices.