I am a Principal/ Enterprise Integration & Cloud Architect with 20+ years of experience designing and governing mission-critical architectures across Banking, Insurance and Government sectors. I help CTOs set target-state architectures, drive cloud transformations, and de-risk complex programs through Open Banking, Payments, API platforms and Azure modernization. My leadership style blends deep technical credibility with strategic collaboration, guiding Architecture Review Boards and aligning roadmaps with regulatory and business objectives. I thrive in regulated environments and enjoy mentoring teams to build secure, scalable, and AI-enabled solutions. I excel at delivering end-to-end architectural governance in high-stakes environments, aligning technology roadmaps with business objectives, regulatory requirements, and security standards. My track record includes large-scale Azure modernization, API platforms, and Open Banking initiatives, with a focus on de-risking programmes while enabling rapid, compliant execution.

Aguilane Periasoamy

I am a Principal/ Enterprise Integration & Cloud Architect with 20+ years of experience designing and governing mission-critical architectures across Banking, Insurance and Government sectors. I help CTOs set target-state architectures, drive cloud transformations, and de-risk complex programs through Open Banking, Payments, API platforms and Azure modernization. My leadership style blends deep technical credibility with strategic collaboration, guiding Architecture Review Boards and aligning roadmaps with regulatory and business objectives. I thrive in regulated environments and enjoy mentoring teams to build secure, scalable, and AI-enabled solutions. I excel at delivering end-to-end architectural governance in high-stakes environments, aligning technology roadmaps with business objectives, regulatory requirements, and security standards. My track record includes large-scale Azure modernization, API platforms, and Open Banking initiatives, with a focus on de-risking programmes while enabling rapid, compliant execution.

Available to hire

I am a Principal/ Enterprise Integration & Cloud Architect with 20+ years of experience designing and governing mission-critical architectures across Banking, Insurance and Government sectors. I help CTOs set target-state architectures, drive cloud transformations, and de-risk complex programs through Open Banking, Payments, API platforms and Azure modernization. My leadership style blends deep technical credibility with strategic collaboration, guiding Architecture Review Boards and aligning roadmaps with regulatory and business objectives. I thrive in regulated environments and enjoy mentoring teams to build secure, scalable, and AI-enabled solutions.

I excel at delivering end-to-end architectural governance in high-stakes environments, aligning technology roadmaps with business objectives, regulatory requirements, and security standards. My track record includes large-scale Azure modernization, API platforms, and Open Banking initiatives, with a focus on de-risking programmes while enabling rapid, compliant execution.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

English
Fluent

Work Experience

Lead Consultant at Landmarc Solution
March 1, 2025 - Present
Led end-to-end technical analysis and engineering for migrating from IBM Maximo to MAS9, rapidly understanding complex legacy configurations and modernising them for the new platform. Designed and developed cloud-native REST APIs using .NET/C#, integrating asset management workflows with Maximo in a scalable architecture. Built event-driven components using Azure Functions, message queues, and distributed services to enable reliable asynchronous processing across the asset lifecycle. Delivered full-stack features with a modern Blazor front-end for work order management and maintained clean, scalable architecture. Implemented automated CI/CD pipelines in Azure DevOps, improving deployment speed, quality, and release reliability. Collaborated with cross-functional engineering and product teams to drive technical decisions and ensure alignment with architectural standards. Provided second-line technical support and ongoing stability improvements.
Senior Developer at Lancashire Reinsurance Group
October 1, 2022 - December 1, 2025
Designed and delivered Insurance Portfolio & Risk Management systems using .NET Core REST APIs with full-stack UI components in Angular 16, delivering scalable and maintainable solutions for underwriting and reinsurance workflow. Collaborated with underwriters, SMEs, and business stakeholders to refine requirements ensuring alignment with Lloyd’s, reinsurance and risk management processes. Modernised legacy applications by migrating to Azure Cloud, adopting microservices and event-driven architectures to improve performance, resilience, and scalability. Integrated AI tooling into development workflows to accelerate coding. Built modelling workflows and insurance exception handling applications using .NET Core and Angular 16, enabling flexible policy processing. Upgraded legacy AngularJS apps to Angular 16 and developed a Recertification platform (REST API + React) to meet Lloyd’s/Syndicate compliance. Built workflow orchestration for insurance claims using Azure Durable Functions.
Technical Lead Developer at IBM United Kingdom (Kyndryl)
March 1, 2020 - August 1, 2022
Designed and developed underwriting price-quote modelling applications for Legal & General Insurance, ensuring scalable, accurate pricing workflows. Led the modernisation of legacy BPM systems, migrating them into a cloud-ready microservices architecture to improve modularity, resilience, and long-term maintainability. Architected and delivered RESTful APIs (.NET Core), API Gateway components, security layers, and workflow models, ensuring robust integration across underwriting and policy lifecycle systems. Built a full-stack New Business Portal using Angular (frontend) and .NET (backend), enabling seamless onboarding and enhanced digital customer journeys. Oversaw end-to-end application delivery including development, release management, test coordination, and production readiness. Mentored offshore development teams, enforcing engineering standards and driving continuous improvement. Implemented Azure CI/CD pipelines using YAML and Terraform, automating builds, infrastructure provisi
Principal Developer/Technical Architect at Santander UK, London
August 1, 2017 - March 1, 2020
Technical Architect for a greenfield Open Banking, PSD2, and Visa Fast Funds solution for Cater Allen Private Bank. Architected the Open Banking platform using an event-driven microservices model, delivering scalable, resilient, and compliant payment and account-information capabilities. Designed the full API ecosystem (Experience APIs, Core APIs, Payment APIs, Account Information APIs/Portal, Security Layer) with PSD2 alignment. Traveled to India for architectural workshops to guide vendor teams and ensure conformance with OBIE principles and security standards. Led OBIE certification (Security Conformance and Functional Conformance). Implemented OAuth2-based security across APIs and built a modern Angular front-end for online bulk payments. Automated end-to-end UI testing with Selenium; Delivered a robust API ecosystem and real-time fraud integration.
Senior .NET Developer at Volkswagen Financial Services
February 1, 2017 - August 1, 2017
Developed E-Signature, Digital Document Processing, and Customer Identity Verification modules for the Finance-Online platform within an Azure-hosted, event-driven architecture. Built UI components with Angular 2 and TypeScript; implemented a robust CQRS, Unit of Work, and Repository data access layer to improve maintainability and performance. Automated acceptance tests using SpecFlow and Selenium; validated server-side with MSTest and Moq, and tested Angular components with Jasmine and Karma.
Senior .NET Developer at Samsung, Chertsey
July 1, 2015 - January 31, 2017
Developed a greenfield Web-CRM platform for Samsung promotions, implementing REST APIs and AngularJS front-end. Built back-office promo administration tools and microservices for real-time push notifications to Samsung devices. Delivered a single-page fulfilment application for external agencies to validate participants and improved test automation through UI and unit tests.
.NET Developer at Affinion International
August 1, 2014 - June 1, 2015
Contributed to enterprise .NET solutions for Affinion, supporting CRM and loyalty program features with robust back-end services and web applications. Focused on high-quality code and reliable delivery in a contract setting.
.NET Developer at G4S Ltd
February 1, 2013 - July 1, 2014
Developed and maintained enterprise applications, enhancing performance and reliability within a fast-paced contract environment.
.NET Developer at Samsung, UK
April 1, 2012 - January 31, 2013
Built IIQ and Document Management UI components with AngularJS and TypeScript; implemented REST APIs and CQRS-based data access patterns to support promotions platform.
Developer at Unum Provident (Group Insurance)
March 1, 2011 - April 1, 2012
Worked on .NET development for insurance applications, contributing to the policy and claims ecosystem.
Software Engineer at IBM United Kingdom
October 1, 2010 - March 1, 2011
Software engineering contributions across insurance domain projects with focus on reliability and maintainability in a contract capacity.
Application Developer at Legal and General Insurance
March 1, 2007 - September 1, 2010
Developed and maintained insurance applications supporting underwriting and policy lifecycle processes.
Solution Architect at Landmarc Solutions
March 1, 2025 - Present
Member of the Architecture Review Board focusing on Infrastructure, Security, and AI-ready architectures. Ensured MoD security and data governance compliance while leading architectural design and delivery of multiple IT transformation projects in support of MoD operations. Created enterprise architectural meta-models and designed an AI-enabled, scalable architecture framework. Led the IBM Maximo upgrade from v7.6 to MAS 9 to enable predictive maintenance and operational intelligence, and established robust APIs to integrate with mobile platforms and legacy systems. Evaluated third‑party mobile integration suppliers and defined a scalable integration strategy.
Technical Architect at Lancashire Reinsurance Group
October 1, 2022 - December 31, 2024
Led architecture design and delivery for Portfolio Management & Forecasting, a high-volume Insurance Portfolio Risk Management application. Extended the LIPS application to manage Lloyd's guidelines; migrated legacy applications to Azure; designed REST APIs and Angular front-ends for policy modeling; developed Azure Durable Functions to orchestrate insurance claim workflows; managed release pipelines; established TDD/BDD and CI/CD practices; drove end-to-end API and integration designs across internal, third-party, and cloud platforms.
Solution Architect at IBM UK (Kyndryl)
February 1, 2020 - August 1, 2022
Defined strategy for rationalising Individual and Group protection systems; led architecture governance in agile programs; proposed DataPower gateway patterns for security and integration; scoped E2E designs for migrating legacy BPM applications to microservices; advised CTOs and led offshore teams; worked with product owners to ensure alignment with IBM strategies and architectural patterns.
Principal Engineer/Solution Architect at Santander UK
August 1, 2017 - February 1, 2020
Led selection and implementation of Open Banking/PSD2 and Visa Fast Function APIs. Developed the strategic Open Banking product roadmap and designed the FPS gateway to mitigate legacy costs. Implemented API governance across security, lifecycle, and versioning; managed OBIE conformity and represented Cater Allen Private Bank to OBIE Design authorities; integrated with real-time fraud systems and payment APIs.
Integration Lead at Volkswagen Financial Services
February 1, 2017 - August 1, 2017
Architected the Finance-Online integration layer; developed e-signature, digital document management, and customer ID verification modules; designed the Experience ID Verify API integration; built Signing Hub APIs and UI components for IIQ and document management; established automated acceptance testing.
Senior .NET Developer at Affinion International
August 1, 2014 - June 1, 2015
Senior .NET Developer; contributed to enterprise applications, improved development practices and delivered features across multiple projects.
Senior Developer at Unum Provident Ltd (Group Insurance)
March 1, 2011 - April 1, 2012
Senior Developer; contributed to group insurance software, enhancing services and integrations.
Senior Software Engineer at IBM United Kingdom
October 1, 2010 - March 1, 2011
Senior Software Engineer; supported enterprise-scale software engineering initiatives and modernization.
Technical Specialist at Legal and General Insurance (Plc).
March 1, 2007 - September 1, 2010
Technical Specialist; provided technical leadership across insurance platforms and migration efforts toward service-oriented architectures.
Analyst Programmer at Ibase Systems
January 1, 2006 - December 1, 2006
Analyst Programmer; fixed-term contract contributing to system development and delivery.

Education

MS in Business Information Technology at Middlesex University, UK
January 11, 2030 - January 1, 2004
Master’s in computer science at Madras University, India
January 11, 2030 - January 1, 2002
Master of Science in Business Information Technologies at Middlesex University, UK
January 11, 2030 - January 1, 2004
Master of Science in Computer Science at University of Madras, India
January 11, 2030 - January 1, 2002

Qualifications

AWS
January 11, 2030 - March 3, 2026
Event Sourcing
January 11, 2030 - March 3, 2026
Event Driven Architecture
January 11, 2030 - March 3, 2026
AngularJS
January 11, 2030 - March 3, 2026
Blazor
January 11, 2030 - March 3, 2026
Pair programming
January 11, 2030 - March 3, 2026
Testing
January 11, 2030 - March 3, 2026
Confluence
January 11, 2030 - March 3, 2026
JIRA
January 11, 2030 - March 3, 2026

Industry Experience

Software & Internet, Financial Services, Professional Services, Government

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
See more