Unison Group

Solution Architect - AS400/Mainframe to Microservices Migration

Unison Group  •  Singapore, SG (Onsite)  •  1 month ago
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Job Description

We are looking for a Solution/Technical Architect with strong experience in migrating legacy AS400/Mainframe systems to modern Java-based microservices architecture. The role involves driving end-to-end architecture, modernization strategy, and implementation for large-scale enterprise systems.

Key Responsibilities

  • Define target architecture for Mainframe/AS400 to Java microservices migration
  • Design scalable, resilient, and cloud-native solutions
  • Assess legacy systems and define migration strategy (rehost, refactor, re-architect)
  • Lead decomposition of monolithic applications into microservices
  • Define API, integration, and data flow architecture
  • Ensure smooth migration with minimal business disruption
  • Drive adoption of Java, Spring Boot, REST APIs, and microservices best practices
  • Implement containerization and orchestration (Docker, Kubernetes)
  • Define data migration, transformation, and reconciliation strategies
  • Design event-driven and messaging-based architectures (Kafka, MQ)
  • Collaborate with business and technical stakeholders
  • Provide technical leadership and mentor development teams
  • Conduct architecture reviews and ensure governance standards
  • Ensure security, scalability, and performance of solutions

Requirements

Required Skills

  • Strong experience in AS400/Mainframe systems
  • Proven experience in legacy system modernization and migration
  • Expertise in Java, Spring Boot, and Microservices architecture
  • Experience with REST APIs and distributed systems
  • Knowledge of Docker, Kubernetes, and cloud platforms (AWS/Azure/GCP)
  • Strong understanding of data migration and system integration

Preferred Skills

  • Experience in Banking/Financial Services domain
  • Knowledge of messaging systems (Kafka, IBM MQ)
  • Familiarity with DevOps tools and CI/CD pipelines
  • Exposure to Agile methodologies
Unison Group

About Unison Group

Unison Consulting was launched in Singapore on September 2012, the hub of the financial industry, with innovative visions in the technocratic arena. We are a boutique next-generation Technology Company with strong business-interests in Liquidity risk, Market Risk, Credit Risk and Regulatory Compliance.

Unison provides technology consulting and services to implement Risk Management and Risk Analytics System for Financial Institutions. Our services suite comprises of Techno-Functional consulting, systems integration, Business Intelligence, information management, and custom development of IT solutions, plus project management expertise for financial institutions.

We have expertise in latest cutting edge technology to achieve better total cost of ownership. Through our qualified professionals, we assist you drive your unique risk management strategies, whether that means efficient monitoring, improving risk appetite of the financial institutions, complying with regulations, or capturing growth opportunities through innovation, this is what maximizes your decision taking potential. At Unison Consulting, we view clients as partners, and our success is only measured by the success of our partners. So we put it all on the table in order to exceed expectations.

Our staff consists of young, energetic and innovative consultants who are never afraid to challenge the conventions and push the boundaries in an effort to help our clients. For every project, no matter how large or how small, we strive to not only meet your needs, but deliver a showcase in your field.

Industry
IT & Software
Company Size
51-200 employees
Headquarters
Unknown
Year Founded
2012
Website
com.sg
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