Oksana

OKSANA E. GORBENKO
Siebel CRM Developer & Automation Engineer · CRM Technical Consultant
Kyiv, Ukraine (Remote / Relocation open) | [відкрити контакти](див. вище в блоці «контактна інформація») | [відкрити контакти](див. вище в блоці «контактна інформація»)
LinkedIn | GitHub | Portfolio | Demo Site Showcase

PROFESSIONA L SUMMARY
Siebel CRM Developer with 15+ years of end-to-end delivery experience across banking, insurance, and FMCG sectors,
including 6 years at Banca Transilvania (Romania). Covers the full delivery lifecycle: requirements analysis, configuration
and customization (Business Components/Applets/Views/Workflows), eScript, Open UI, and dev-to-prod release
management. Strong integration track record: Siebel EAI, EIM, SOAP/REST web services; reporting with BI Publisher.
Since 2023 — freelance consulting combined with Python automation, AI-assisted development tooling, and demo
portals built on Astro/Starlight and hosted on Cloudflare.
COR E SKILLS
Siebel CRM Core & Architecture (23.x+): Siebel Tools/Web Tools, Siebel FINS (Financial Services) & Order Management;
Siebel Data Model & Business Object Layer; Business Components/Business Objects/Applets/Views; Configuration,
eScript, Business Services; Workflows, Workflow Policies, Task-Based UI (TBUI); Access Control & Data Security.
Open UI & Client-Side UX: Open UI Framework, PR/PM Architecture, Manifest Administration; UI Customization &
Branding; Modern Web Stack (JavaScript ES6+, HTML5, CSS3); Client-Side Performance Tuning & Optimization.
Integration & Enterprise Data: Siebel EAI (Web Services, REST/SOAP APIs, Integration Objects, Data Maps, XSLT
Transformations, MQ/JMS/HTTP Transports); EIM (High-Performance Batch Data Migration & Loading).
Deployment, Administration & DevOps: Siebel Server Administration; Repository Management, Incremental Repository
Merge (IRM) & Deployment; Siebel Automation & CI/CD Pipelines; Custom Tooling (Python, PowerShell).
System Diagnostics & Analytics: Deep Troubleshooting (Server Logs, FDR Logs, Crash Dumps, Workflow & EIM
Performance Tracing); Database Tuning (PL/SQL, Oracle/SQL Server Query Optimization); Siebel BI Publisher Reporting.
Cloud, Automation & AI Integration: Event-Driven Python Automation & LLM API Integration, REST API Endpoints &
Webhooks, System Triggers, Serverless/Cloud Integration.
Tooling & Ways of Working: Jira, Confluence, Scrum/Agile practices; Git, GitHub Actions (CI/CD); VS Code, PowerShell,
Docker; Postman/Bruno (API testing), PL/SQL Developer, SQL Server Management Studio (SSMS).
PROFESSIONA L EXPERIEN CE
Freelance — Siebel CRM Developer and Consultant — Remote 2023 – Present
• Deliver full-cycle development and consulting for Siebel CRM enterprise applications: configuration, customization,
and business logic implementation (Business Components, Applets, Workflows, eScript, modern UI enhancements),
partnering with business and technical stakeholders on requirements, production issues, and performance
optimization. Engineer end-to-end CRM integration solutions leveraging Siebel EAI, Enterprise Integration Manager
(EIM), and SOAP/REST web services.
• Develop custom Python automation utilities for data synchronization, log parsing, and backend validation, streamlining
routine support and testing tasks.
• Build and host public demo sites and documentation portals (Astro, Starlight, Cloudflare Pages) as an interactive
portfolio of CRM and web development work — GitHub | Portfolio | Demo Site Showcase.
• Apply AI-assisted development tools for rapid prototyping, personal project acceleration, and technical proof-of-
concepts for evaluating new technologies.
Banca Transilvania — Romania 2016 – 2022
CRM Siebel Developer (Siebel Fins, Siebel Call Center)
• Analyzed business and technical requirements and translated them into robust Siebel CRM solutions using Siebel
Tools: advanced customization of Business Components, Business Objects, Applets, Views, Workflows, and eScripts;
VBC implementation for complex business logic; non-Siebel business objects to extend core CRM functionality.
• Designed, implemented, and maintained integrations between Siebel and external systems using EAI, web services,
and batch interfaces.
• Diagnosed and resolved application issues through root-cause analysis and advanced troubleshooting across Siebel
architecture layers.
• Managed deployment and release activities across dev-to-prod environments, ensuring configuration consistency,
system stability, and adherence to Siebel development best practices.

Finance and Credit Bank — Ukraine 2014 – 2016
Senior Siebel Specialist — Support and Development (Siebel Fins, Siebel Call Center)
• Developed Siebel business objects and components; modified applets, views, screens, and search functionality;
designed eScripts, business services, workflows, and jobs.
• Administered Siebel servers (troubleshooting, performance tuning); applied patch releases and product bug fixes;
managed code and repository migration between environments; supported EIM data migration and loading; tuned
workflow policies and the Workflow Monitor Agent.
• Built reporting with BI Publisher; installed and tested Siebel Open UI IP15 & above (custom theme, custom fonts,
manifest management, PR/PM); worked with Siebel Composer.
Platinum Bank — Ukraine 2013 – 2014
CRM Siebel Developer (Siebel Fins, Siebel Call Center)
• Owned the full development lifecycle of Siebel Financial Services vanilla modules: configuration of applets, views,
screens, user properties, scripting, workflows, and VBC.
• Delivered SOAP/EAI web-service integrations: internet banking (outbound), IVR banking platform (inbound), and bulk
and individual SMS messaging.
• Installed and tested Siebel Open UI 8.1.x; rolled out SIF patches; supported development, test, and pre-production
environments.
• Debugged workflows and eScripts, resolved tester issues and incidents, maintained Siebel documentation and user-
rights administration (positions, territories, profiles).
INGO Ukraine (insurance) 2010 – 2013
CRM Siebel Specialist (Siebel Fins, Siebel Sales, Siebel Call Center)
• Installed Siebel 8.1 and executed EIM data migration; administered Siebel servers, file system, and attachments;
trained and supported users and the contact center.
• Developed and revised insurance functionality — claims, activities, opportunities, audit trail — including workflows,
business services, and interface customization.
• Implemented EAI integration projects with third-party services via web services (Audatex claim-data upload, SMS claim
and payment notifications).
Imperial Tobacco Ukraine (Imperial Tobacco Group) 2007 – 2010
National Siebel CRM Administrator (Siebel Sales, Siebel Handheld)
• Led four divisional Siebel administrators; supported 200+ PDA users (Sales Reps on Handhelds) and 28 Area Sales
Managers covering Ukraine and Moldova.
• Administered product and price lists, SR routes and activities, accounts, field-force targets, and dealer programs;
resolved database conflicts; controlled user synchronization.
• Developed the AskIt analytical reporting system, delivering sales analytics to top management; cooperated with the
global CRM Support Desk (Imperial Tobacco Ltd., Netherlands) on releases and bug fixing; trained staff and authored
guides for administrators and users.
Earlier Career 2001 – 2007
• Imperial Tobacco Ukraine — Sales Analyst (2001 – 2007): maintained 12 sales-force databases; ran the nationwide
tobacco-outlet census with data import into Siebel CRM; sales analysis, forecasting, dealer bonuses.
EDUCATION
National Aerospace University — Kharkiv Aviation Institute — Diploma with honors, Robotics Systems and Complexes
TRAINING AND PROFESSIONAL DEVELOPMENT
• Siebel CRM System training; Oracle Ukraine product training; SAP R/3 training; Project Management — Baltic Training
Group; Demand Planning and Forecasting on FMCG Markets — SPSS BI Ukraine; ACNielsen Trade Data Analysis
• Certified professional development program (accounting, finance, economic analysis, logistics) — KROK University of
Economics and Law
LANGUAGES
Ukrainian; Russian; English — upper intermediate (B2); Spanish — basic