Microservice Modernization for Enterprise Service Migration Using AWS Cloud Architecture (Published)
Enterprises operating large, monolithic service-oriented platforms increasingly face constraints in scalability, deployment velocity, and operational resilience. This paper presents a structured approach to modernizing enterprise monolithic applications into cloud-native microservices deployed on Amazon Web Services (AWS). We propose a six-phase migration methodology grounded in domain-driven design and the strangler fig pattern, enabling incremental extraction of business capabilities without disrupting production systems. A reference AWS architecture is presented, combining Amazon ECS and EKS for container orchestration, Amazon API Gateway for edge routing, AWS App Mesh for service-to-service communication, and a polyglot persistence layer spanning Amazon Aurora, DynamoDB, and ElastiCache. The proposed methodology was evaluated through a case-style implementation involving decomposition of a legacy order-management monolith into independently deployable services. Empirical results indicate a 68% reduction in average response time, a twelvefold increase in deployment frequency, and substantially improved mean time to recovery compared to the legacy baseline. The paper also examines cost implications, security controls, and organizational readiness factors that influence migration outcomes, concluding with recommendations for enterprises planning similar modernization initiatives.
Keywords: AWS, Cloud-Native Architecture, DevOps, Legacy modernization, container orchestration, domain-driven design, enterprise migration, microservices, service mesh, strangler fig pattern
Universal Development with Wasi: Building Secure Cross-Platform Apps Using Webassembly System Interface (Published)
As software development increasingly demands portability, performance, and security across a wide range of platforms—from cloud servers to edge devices—WebAssembly (Wasm) has emerged as a compelling solution. In 2025, the maturation of the WebAssembly System Interface (WASI) marks a significant milestone in enabling universal application development that is both cross-platform and sandboxed by design. This paper investigates WASI’s modular system interface, its capability-based security model, and the practical implications of deploying applications across heterogeneous environments. Through architectural analysis, real-world use cases, and empirical benchmarks, we demonstrate that WASI offers a viable alternative to traditional containerization for many workloads. We further explore how WASI bridges the gap between performance, portability, and safety, paving the way for a new era of secure and efficient application development.
Keywords: DevOps, WASI, WebAssembly, application sandboxing, capability-based security, cloud-native, cross-platform development, edge computing, portable applications, secure execution environments, system interface, universal binaries
Autonomous Banking Release Pipelines: Balancing Innovation and Compliance in Financial Software Delivery (Published)
Autonomous banking release pipelines represent a transformative approach to financial software delivery that balances innovation acceleration with regulatory compliance and risk management. This article explores the multifaceted benefits of implementing automated delivery frameworks in the highly regulated banking sector. Through comprehensive integration of security validation, compliance checks, advanced deployment strategies, and cross-functional collaboration, financial institutions achieve significant operational, financial, and competitive advantages. The implementation of blue/green deployments, canary releases, and feature toggles enables near-continuous availability of critical banking functions while minimizing risk. By embedding governance as code and implementing comprehensive monitoring frameworks, institutions establish complete audit trails that satisfy regulatory requirements while maintaining agility. The quantitative benefits span multiple dimensions: reduced compliance costs, accelerated time-to-market, improved system reliability, enhanced security posture, and greater operational efficiency. As financial institutions navigate an increasingly competitive landscape characterized by rapid technological change and evolving customer expectations, the maturity of autonomous release pipelines emerges as a critical differentiator between market leaders and laggards in the banking sector.
Keywords: Banking Technology, DevOps, autonomous release pipelines, financial software delivery, regulatory compliance