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Application Architect – Azure Migration (Multi-stack)

Islandwide, Singapore
ContractInformation Technology

Job Description

We are seeking a highly skilled and experienced Application Architect with deep expertise in Azure cloud migration and re-platforming. The ideal candidate will lead the transformation of enterprise applications from on-premises VMware environments to Microsoft Azure, while leveraging modern technologies across Java, Python, Spring Boot, .NET, React, and Node.js.

This role requires strong architectural vision, hands-on engineering capability, and the ability to drive large-scale modernization initiatives across distributed systems.

Key Responsibilities:

1. Cloud Migration & Re-Platforming

• Lead end-to-end migration of applications from on-prem VMware infrastructure to Azure.

• Design and execute re-platforming strategies (lift-and-shift, refactor, re-architect where necessary).

• Evaluate existing workloads and recommend optimal Azure services (IaaS, PaaS, containers, serverless).

• Ensure minimal downtime, high availability, and performance optimization during migration.

2. Architecture Design

• Define target-state architecture aligned with Azure best practices.

• Design microservices-based architectures using Spring Boot, .NET Core, and Node.js.

• Create scalable, resilient, and secure cloud-native solutions.

• Develop architecture blueprints, diagrams, and documentation.

3. Technology Leadership

Provide technical leadership across multiple stacks:

• Java (Spring Boot)

• Python (FastAPI, Flask, or Django)

• .NET Core / ASP.NET

• Node.js (Express/NestJS)

• Frontend: React.js

Guide development teams on best practices, coding standards, and design patterns.

4. Azure Cloud Expertise

Architect and implement solutions using:

• Azure App Services

• Azure Kubernetes Service (AKS)

• Azure Functions

• Azure Virtual Machines & Scale Sets

• Azure Storage, SQL, Cosmos DB

• Azure API Management

• Implement Infrastructure as Code (IaC) using ARM templates, Bicep, or Terraform.

5. DevOps & CI/CD

• Design and implement CI/CD pipelines using Azure DevOps or GitHub Actions.

• Enable automated deployments, testing, and monitoring.

• Promote DevSecOps practices.

6. Security & Compliance

• Ensure secure application architecture following Azure security best practices.

• Implement identity and access management using Azure AD.

• Apply compliance, governance, and cost optimization strategies.

7. Performance & Optimization

• Conduct performance tuning and cost optimization in Azure.

• Implement monitoring using Azure Monitor, Application Insights, and Log Analytics.

8. Stakeholder Collaboration

• Work closely with business stakeholders, product owners, and engineering teams.

• Translate business requirements into scalable technical solutions.

• Provide technical mentoring and leadership.

Required Skills & Experience

Technical Skills

• Strong experience in cloud migration projects, specifically VMware to Azure.

• Proficiency in multiple programming languages:

• Java (Spring Boot)

• Python

• C# (.NET Core)

• JavaScript/TypeScript (Node.js, React)

• Experience with microservices, REST APIs, and event-driven architectures.

• Hands-on experience with containerization (Docker) and orchestration (Kubernetes/AKS).

• Solid understanding of distributed systems and cloud-native design principles.

Azure Expertise

• Deep knowledge of Azure services and architecture patterns.

• Experience with Azure landing zones and migration frameworks.

• Familiarity with Azure Migrate tool and migration strategies.

DevOps & Automation

• Experience with CI/CD tools (Azure DevOps, GitHub Actions, Jenkins).

• Strong scripting skills (PowerShell, Bash, Python).

Databases

• Experience with relational and NoSQL databases:

• Azure SQL, PostgreSQL, MySQL

• Cosmos DB, MongoDB

Preferred Qualifications

• Azure certifications (e.g., Azure Solutions Architect Expert).

• Experience with hybrid cloud environments.

• Knowledge of enterprise integration patterns.

• Exposure to event streaming (Kafka, Event Hub).

• Experience in large-scale enterprise modernization programs.

Soft Skills

• Strong analytical and problem-solving abilities.

• Excellent communication and stakeholder management skills.

• Ability to lead cross-functional teams.

• Strategic thinking with hands-on execution capability.

Education

Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.

Experience Level

• 10+ years of IT experience.

• 5+ years in solution/application architecture roles.

• Proven experience in cloud migration and modernization initiatives.

Key Competencies

• Cloud Transformation Leadership

• Multi-Stack Architecture Expertise

• Azure Migration & Re-Platforming

• Microservices & Distributed Systems

• DevOps & Automation

About Rapsys Technologies Pte. Ltd.

First seen: May 22, 2026
Last updated: May 29, 2026