Application Migration & Modernization Specialist - AWS

Nuralx Infotech; Kuala Lumpur; On-site; MYR 120,000 - 180,000; Full time

Job summary

Nuralx Infotech in Malaysia is seeking an experienced Application Migration & Modernization Specialist with strong hands-on AWS expertise. You will assess enterprise applications, define migration and modernization strategies, and design target-state AWS architectures to securely migrate and modernize legacy systems.

Responsibilities include executing migrations, modernising workloads to microservices or cloud-native patterns, and implementing containerised and serverless solutions with a focus

Qualifications

• Hands-on AWS migration and modernization experience.
• Ability to assess legacy, on-prem and cloud apps for migration readiness.
• Experience with containerization, microservices and API-based integrations.

Responsibilities

• Assess legacy and existing applications for AWS migration readiness.
• Define migration strategies and waves with cutover and rollback plans.
• Develop target-state AWS architectures and migration runbooks.
• Execute end-to-end migrations and post-migration optimization and stabilization.
• Modernise workloads towards microservices and cloud-native patterns.

Skills

AWS migration

Cloud architecture

Docker

ECS

EKS

Serverless

API Gateway

DevOps

Observability

Security

Performance tuning

APIs

Migration

Tools

Docker

Amazon ECS

Amazon EKS

AWS Lambda

API Gateway

AWS DMS

CloudWatch

VPC

IAM

Migration Hub

Job description

We are looking for an experienced Application Migration & Modernization Specialist with strong hands-on AWS expertise. The role will assess enterprise applications, define migration and modernization strategies, design target-state AWS architectures, execute migrations, and transform legacy applications into secure, scalable and cloud-native solutions. The position requires practical capability across application architecture, AWS migration services, containers, databases, DevOps, APIs and application modernization.

Role & responsibilities

Key Responsibilities -

Assess legacy, on-premises and existing cloud applications for AWS migration readiness.

• Conduct application discovery, dependency mapping, technical assessment and migration complexity analysis.
• Define migration strategies using the 7Rs: Retain, Retire, Rehost, Relocate, Repurchase, Re-platform and Refactor.
• Develop migration waves, sequencing, implementation plans, cutover plans, rollback procedures and migration runbooks.
• Identify technical risks, application dependencies, downtime requirements and remediation actions.
• Execute and support end-to-end production application migrations to AWS, including post-migration validation, optimization and stabilization.

Application Modernisation

• Modernise monolithic and legacy applications into modular, microservices or cloud-native architectures.
• Refactor and re-platform applications for AWS; modernise runtimes, frameworks, middleware and integration patterns.
• Design containerised solutions using Docker, Amazon ECS and Amazon EKS.
• Implement serverless patterns using AWS Lambda where technically appropriate.
• Modernise integrations using REST APIs, API Gateway, messaging and event-driven architectures.
• Improve scalability, resilience, maintainability, security, observability and application performance.

AWS Architecture & Engineering

• Design secure, highly available, resilient and scalable AWS application architectures.
• Hands-on experience with Amazon EC2, ECS, EKS, Lambda, RDS/Aurora, S3, VPC, Elastic Load Balancing, CloudFront, Route 53 and CloudWatch.
• Strong working knowledge of AWS IAM, Secrets Manager, Systems Manager, Migration Hub and AWS Application Migration Service.
• Design backup, disaster recovery and business continuity solutions on AWS.
• Apply AWS Well-Architected Framework principles across security, reliability, performance, operational excellence and cost optimisation.

Database & Data Migration

Assess application database dependencies and define database migration approaches.

Support migrations involving Oracle, SQL Server, PostgreSQL, MySQL, DB2 and other enterprise database platforms.

Modernise workloads toward Amazon RDS, Amazon Aurora and other appropriate AWS managed database services.

Use AWS Database Migration Service (AWS DMS) and related migration tooling where applicable. Perform migration validation, reconciliation, performance testing and production readiness checks.