كريشنا Nath Tiwari

- Designed and delivered 25+ custom Fiori/UI5 applications across S/4HANA landscapes — full MVC
architecture, XML views, JavaScript ES6+ — adhering to SAP Fiori design guidelines throughout.
- Extended 5+ standard SAP Fiori apps via manifest annotations, controller extensions, and UI Adaptation
Editor — preserving upgrade compatibility with zero standard object modifications.
- Designed OData V2/V4 services end-to-end using SEGW and RAP; applied $filter/$select/$expand
optimisation and server-side paging, reducing average payload by ~40% on data-heavy UIs.
- Configured Fiori Launchpad across 4+ client landscapes — Spaces & Pages, catalogs, tiles, target
mappings, intent navigation — with role-based authorisation for 200+ business users.
- Led Neo-to-Cloud Foundry migration of 8+ SAPUI5 apps on SAP BAS; configured BTP Work Zone and
connected BTP Task Center to 6 enterprise systems.
- Led cross-functional teams of 3-5 on 2 major engagements — defined coding standards, conducted UI5
code reviews, ran C-suite requirement workshops, authored full technical specifications.

- Designed and delivered 15+ custom freestyle SAPUI5 applications across S/4HANA rollouts covering PP,
QM, HCM, SD, FICO, and PM — approval workflows (Petty Cash, Purchase Requisition, Leave Request) with
multi-level routing logic, serving 500+ enterprise users.
- Built and configured OData V2 services end-to-end using SEGW — entity sets, associations, function
imports, deep entity operations; integrated with ABAP backend via BAPIs and RFCs.
- Delivered unified Fiori dashboards using VizFrame charts, KPI tiles, and smart filters — enabling real-time
management reporting across modules previously reliant on daily manual exports.
- Configured Fiori Launchpad across multiple landscapes; collaborated with Security and Basis teams on
role-based authorisation, Gateway activation, ICF node setup, and system aliases.
- Built reusable SAPUI5 component libraries and fragment templates, cutting team development time by
~20%; led code reviews for a 4-person squad and mentored 2 junior developers.
- Worked in Agile/Scrum across Azure DevOps — sprint planning, backlog grooming, two-week release
cycles; translated complex business requirements into technical design documents.

- Developed freestyle SAPUI5/Fiori apps and SEGW OData V2 services across ECC and early S/4HANA
phases — approval apps (Travel Request, Purchase Order) and operational tracking apps using full MVC
architecture.
- Extended standard SAP Fiori apps and configured My Inbox for workflow-based approvals — custom task
UI components, decision buttons, header data mappings; coordinated Basis on Gateway/ICF setup.
- Configured Fiori Launchpad catalogs, tiles, and target mappings across DEV/QA/PRD; collaborated with
Security teams on role-based authorisation and Spaces & Pages layouts.