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Arun Castromin Lawrance

Solutions Architect | Enterprise Architect | Product Owner | Technology Consulting

+65 91806569 arun.castromin@gmail.com linkedin.com/in/aruncastromin Singapore

Professional Summary

Sr. Solution Architect & TOGAF Certified Enterprise Architect with 17+ years delivering technology-enabled solutions in core banking, payments, and digital transformation. Extensive experience implementing Finacle core banking solutions across India, Middle East, Africa, and APAC regions for Tier-1 banks including Bank of America, Emirates NBD, and Standard Bank. Currently a key contributor to Application Platform Engineering, delivering RTP solutions for global commercial banking in Singapore. With an architect's mindset, designing and building end-to-end solutions — applying architecture thinking from concept to deployment.

Key Strengths

Demonstrated Leadership - Mentored and driven cross-functional teams for Tier-1 banking clients with 100% on-time delivery across 15,000+ man-days of deliverables
Business Analyst Acumen - Bridged business and technology — translating complex requirements including regulatory into actionable solutions, driving client onboarding workflows and compliance frameworks
Solutions Architect - Designed and implemented scalable, high-performance banking solutions — from real-time payment systems to regulatory reporting frameworks across global markets
Innovation Mindset - Pioneered unconventional solutions — from self-learning Java to deliver a critical banking module in 2 months, to integrating AI workflows for operational efficiency

Technical Expertise

Architecture & Domain

Solution Architecture, Core Banking (Finacle), Payments Systems, NFR Management, Data Governance, Regulatory Reporting, Release Management, Third-party Integrations

Banking Modules

CASA, Retail & Commercial Loans, Cards, Clearing & Payments Systems, Liquidity Management System, EOD Operations

Programming & Tools

Python, Java, PL/SQL, JavaScript, JSP, Unix/C | Tableau, MicroStrategy, IBM Cognos, JIRA, PMP

Methodology

Agile, Waterfall, TOGAF, CMMI Level 4

Certifications

TOGAF Enterprise Architecture Certified Scrum Product Owner ISO 31000 Risk Management IBM Data Science Databricks Lakehouse Fundamentals MicroStrategy Architect MicroStrategy for Business Intelligence Practical Solution Architecture

Professional Experience

Bank of America (Jakarta, Indonesia) 2020 - Present

Sr. Technology Architect, Infosys Ltd.

  • Integral member and architect of Application Engineering and Support agile team driving Real-Time Payments (RTP) implementations and NFR delivery for APAC regions
  • Led the Business mapping stream for Regulatory Reporting translation, achieving 100% mappings and timely Business enablement of accurate report submissions amidst parallel Legacy system transformation
  • Strategized Business processes for Client Onboarding, enabling new businesses and integrating Regulatory norms within Bank-in-a-box technology
  • Led numerous Business meetings with stakeholders across Operations, Stream Leads, PMO, Compliance and Service providers, solutioning multiple Reporting-to-Business conflicts ensuring BAU
  • Designed and achieved a 5x Business-volumes-ready reporting system certified by the Client through multiple performance improvement initiatives
  • Led Design changes and Performance enhancements resulting in 60% reduction in daily job execution times
  • Designed monitoring dashboards for visualization and remediation of potential system detrimental events, offering quickest TAT for identification and resolution
  • Mentored and developed strong team culture in decision making, Business thinking, Knowledge sharing and Problem Solving across Business Analysts, Technology teams and Testers
Cholamandalam Investment and Finance Company Limited Feb 2019 - Apr 2019

Project Manager, Latitude Fintech

  • Implemented Latitude Fintech's premiere tech-savvy LOS product at Cholamandalam Finance Ltd ensuring successful all-India go-live transformations
  • Achieved two-thirds reduction in Client onboarding processes (end-to-end time, verifications & sanctioning)
Standard Bank (South Africa & Nigeria) 2012 - 2016

Technology Architect & Project Manager, EdgeVerve Systems Ltd.

The Standard Bank Group, Africa is a Tier-1 bank, one of the largest banking institutions in the African continent with operations across 18 countries.

  • Participated and Managed Business discussions, Requirement gathering & Design Phases with Client
  • Trained and mentored fresh talent through Design, Build & Delivery phases (Product Customization)
  • Strategized and established work standards, best practices and benchmarks achieving 3000+ man-days of 100% on-time deliverables
  • Managed teams of 3-18 members for Enhancements Build and Delivery phase ensuring 100% on-time delivery with less than 2.5% Defect Injection Rate
  • Led the Project into successful CMMI Maturity Level 4 assessment - first in Africa & Middle East Region Business Unit
  • Acknowledged as Client's most preferred Project Manager for techno-functional capabilities and management stronghold
  • Earned internal prestigious Team Award for management, consistency, timeliness & code quality

Roles: Project Manager, Product Owner, Business Analyst, QA Lead, Technology Architect, Senior Developer

Emirates NBD (Dubai) 2008 - 2012

Team Lead & Project Manager, Infosys Ltd.

ENBD is one of the largest banking groups in the Middle East by assets. Partnered with Emirates Bank International working towards merger with National Bank of Dubai in 2007.

  • Strategized and established work standards and benchmarks achieving 6000+ man-days of 100% on-time deliverables
  • Served as preferred techno-functional Project Manager offshore managing teams of up to 18 members
  • Designed, built & implemented reusable module components - cash denomination, teller reports, EOD batch Jobs
  • Earned internal prestigious individual award for cash denomination module design
  • Strategized and Led Release Management eliminating non-infra deployment issues by 100% through automation of checklists, code dynamics review, server deployment & master checks

Roles: Senior Developer, Team Lead, Project Manager, Technology Architect

Earlier Career at Infosys Ltd. 2004 - 2008

Software Developer

  • Bank Sohar (2007): Reports Customization & Development
  • State Bank of India Overseas (2006-2007): Core module Customization, Reports, Test & Support
  • Bank of Alexandria (2004-2005): Core module Customization, Test & Support
  • Bank of India (2004): Core module Customization

Innovation Lab Architected & Built End-to-End

Education

B.E. Electronics & Communication

Sathyabama College of Engineering, Madras University

2004

Digital Resume