CRISTINA MAVROIAN
Summary
Results-driven Technical Solutions Consultant with over 4+ years of experience in facilitating API integrations, onboarding processes, and providing implementation support for high-profile clients, including Revolut merchants and Google Workspace users. Resolved over 400+ issues across order, payment, and authentication flows, significantly accelerating integration timelines and boosting partner satisfaction with a notable NPS increase of 30%. Proficient in debugging REST APIs, managing OAuth2 flows, and utilizing SQL for real-time data validation, while automating onboarding tasks through Google Apps Script to enhance integration reliability. Recognized for a strong work ethic, leading documentation initiatives, and mentoring new team members to optimize support and implementation processes.
Overview
4
4
years of professional experience
Work History
Lead Developer & Integration Engineer
VOIS Vodafone DE
05.2024 - Current
- Led the technical integration of new business features and workflows into Delphi, Vodafone Germany’s internal CRM for field support operations, ensuring backend alignment and real-time platform synchronization.
- Facilitated the adoption of Agile delivery practices within the integration team, following the Service Owner’s initiative to improve release cadence. Led sprint planning, daily stand-ups, and retrospectives, contributing to a 30% improvement in ticket resolution speed and a 25% drop in integration-related escalations.
- Served as the primary technical contact for stakeholders, leading implementation reviews, system validation, and creating documentation to align engineering, product, and external vendors.
- Onboarded and mentored new developers, creating the first internal onboarding documentation and best practices guide for integration processes, accelerating time-to-productivity through structured training and hands-on knowledge transfer.
Frontend Developer
ARspectra
08.2023 - 01.2023
- Built React components using TypeScript for a real-time augmented reality interface supporting surgeons during critical operations, ensuring responsiveness and usability in high-stakes medical environments.
- Developed collaborative UI features, such as live annotations and session controls, enabling real-time interaction between surgical teams across locations.
- Collaborated with backend and infrastructure teams to monitor latency, enhance session stability, and optimize component rendering under strict performance constraints.
- Delivered resilient front-end functionality designed for mission-critical use cases, balancing real-time speed with medical-grade reliability and accessibility standards.
API Integration Specialist & Plugin Developer
Revolut
05.2023 - 08.2023
- Deployed and customized PHP-based plugins, for eCommerce platforms including WordPress (WooCommerce), Magento, and PrestaShop, enabling secure and scalable integration with Revolut Merchant APIs.
- Led end-to-end support for Merchant API integrations, managing token authentication, validating payloads, and troubleshooting payment issues for Revolut’s global eCommerce partners.
- Used SQL to investigate failed transactions and identify root causes, supporting incident resolution across core payment systems and ensuring data integrity during partner integrations.
- Created reusable documentation and support flows for recurring API issues, reducing L1 support escalations by 30% and accelerating onboarding for entry-level agents through targeted enablement.
Integration Engineer Google Workspace API
Webhelp
02.2022 - 03.2023
- Provided API-level support for Google Workspace integrations, including user provisioning, group management, and automated access-control workflows using Python and Google Apps Script.
- Configured and supported secure OAuth2 authentication flows, enabling seamless enterprise login and reducing new domain setup time by over 25%.
- Acted as a technical liaison between support and engineering teams, translating client requirements into scalable setup templates and reusable integration flows.
- Created self-service scripts and configuration templates, cutting repetitive onboarding requests by 40% and improving API case resolution time through Tier 1 enablement and documentation.
Technical Support Analyst
Google Workspace Webhelp
06.2021 - 02.2022
- Provided front-line technical support for global Workspace customers, troubleshooting issues across Admin Console, Gmail, Drive, and Calendar in high-pressure environments.
- Diagnosed API-related errors, applied structured debugging flows, and escalated complex issues to engineering teams using SLA-driven escalation protocols.
- Delivered clear, confident communication during critical incidents, maintaining high customer satisfaction and building trust across varied enterprise contexts.
- Contributed to support knowledge base improvements by identifying recurring product issues and documenting resolution patterns for internal teams.
Education
Mathematics And Informatics
I.N. Socolescu
Bucharest 06-2017
Skills
- RESTful API debugging
- OAuth2 implementation
- Advanced SQL querying
- JavaScript & TypeScript
- Proficient in Python
- Google Workspace API integration
- Git, Jira, Confluence
- Clear technical communication
- Independent issue resolution
- Cross-functional collaboration
- Leadership in onboarding & process improvement
- Proactive, takes ownership without supervision
FRAMEWORKS & TOOLS
- Frameworks: React, Next.js, Express
- DevOps: Docker, Git
- Testing & Debugging: Postman, Jasmine
- Workflow & Collaboration: JIRA, Azure DevOps, Trello
- eCommerce Platforms: WordPress, Shopify, Magento, PrestaShop
Languages
English
Full Professional
Spanish
Full Professional
German
Elementary
Timeline
Lead Developer & Integration Engineer
VOIS Vodafone DE
05.2024 - Current
Frontend Developer
ARspectra
08.2023 - 01.2023
API Integration Specialist & Plugin Developer
Revolut
05.2023 - 08.2023
Integration Engineer Google Workspace API
Webhelp
02.2022 - 03.2023
Technical Support Analyst
Google Workspace Webhelp
06.2021 - 02.2022
Mathematics And Informatics
I.N. Socolescu
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