Arush Chillar

Business Architecture Specialist @ Accenture

About

Business Architecture Specialist with 5 years of experience in the financial services sector, focused on core banking modernisation and digital transformation. Skilled in designing target-state architectures, mapping business capabilities, and orchestrating end-to-end solution delivery across modern banking platforms such as Zafin and Thought Machine Vault. Adept at integrating legacy and cloud-native systems to enable scalable product, pricing, and offer management. Proficient in translating complex business needs into clear functional specifications, conducting fit-gap assessments, supporting change management, and leading test planning to ensure platform readiness and operational excellence. Known for partnering with cross-functional teams to drive client value, reduce architectural complexity, and enable resilient banking journeys. Core Competencies - Business Architecture & Enterprise Analysis - Capability Mapping & Target-State Design - Value Stream Mapping & Process Optimisation - Core Banking Modernisation & Digital Transformation - Requirements Engineering - Business and Technology Alignment - Test Strategy, Quality Assurance & Deployment Readiness - Stakeholder Engagement & Change Management - Product, Pricing & Offer Management - Governance, Risk & Compliance Alignment - Agile Delivery (Scrum) & Iterative Solutioning Technical Skills - Programming: Python, R, COBOL - Databases: PostgreSQL, DB2 - Analytics & Reporting: Power BI, Tableau - APIs: REST, Postman Industry Experience - Retail Banking - Digital Banking

Country

Australia

City

Burwood

Industry

Financial Services

Skill

Agentic AI, Generative AI, AI Ethics, AI for Business, Technical Consultation, Postman, Open Banking, Technical Translation, Business Process, Digital Banking, Test Strategy, Requirements Engineering, Governance, Risk Management, and Compliance (GRC), Product and Pricing Management, Application Master Builder (AMB), Mainframe Testing, Control-M, Agile Project Management, Software Development Life Cycle (SDLC), CICD

Experience

Business Architecture Specialist

Accenture

2025-9 - Present · 1 yr 1 mo

Technical Consultant

DXC Technology

2022-3 - 2025-9 · 3 yrs 7 mos

Melbourne, Victoria, Australia

Zafin Consultant / Technical Business Consultant - Big 4 Bank in Australia • Delivered two key migration products and a rate-based offer by implementing a landing pad product & offer in Zafin, ensuring readiness for upcoming migration activities. • Led 50+ change management activities including release planning, production deployments, and post-deployment verifications, impacting millions of customers. • Created 140+ comprehensive product training materials, including videos, reference guides, and knowledge articles, to support end-user training. • Reviewed existing situational controls for Zafin changes, adding, removing, or updating controls as needed to ensure compliance and operational effectiveness. • Translated complex business requirements into technical specifications for successful delivery of new capabilities and enhancements. • Managed test planning and execution, ensuring system readiness for pilot and go-live phases. • Collaborated with Product Management, Architecture, and Key Stakeholders in solution workshops to refine and deliver strategic initiatives. • Partnered with Zafin Risk and Security teams to ensure thorough assessment and risk management.

Application Development Associate

Accenture

2017-1 - 2018-2 · 1 yr 2 mos

Mainframe Developer - Major European Banking Client. • Developed and modified over 100 COBOL programs/routines, ensuring adherence to sprint timelines and project requirements. • Monitored and resolved over 700 job abends in Control-M to maintain system integrity and minimize downtime. • Recorded and documented over 250 unit-test cases and results in a standardized format, facilitating collaboration and transparency within the project team

Intern

GMR Group

2015-6 - 2015-8 · 3 mos

New Delhi Area, India

HT Network of IGIA

Intern

BSES Delhi

2014-5 - 2014-8 · 4 mos

New Delhi Area, India

SCADA - Substation Automation

Education

Deakin University

Business Analytics

2019 - 2021 · 2 yrs

Coursework - 1. Machine Learning (Python: scikit-learn) 2. Bayesian Learning and Graphical Models (R programming: bnlearn, tidyverse) 3. Deep Learning (Python: tensorflow, keras) 4. Statistical Data Analysis (R programming: tidyverse, ggplot2) 5. Business Intelligence (Microsoft Power BI) 6. Database and Information Retrieval (SQL) 7. Marketing Analytics (Excel) 8. Descriptive Analytics and Visualization (Tableau, Excel) 9. Decision Modelling for Business (Excel) 10. Advanced AI for Business (Python: nltk, keras, tensorflow) 11. Predictive Analytics (RapidMiner) 12. Value of Information 13. Foundational Skills in Data Analytics (Excel) 14. Real World Analytics (R programming) 15. Decision Analytics in Practice (Excel) 16. Modern Data Science (Python, Apache Pyspark)