You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Roberto Lopez VertedorRL

Roberto Lopez Vertedor

Enterprise Solutions & Integration Consultant

€521/day
London, GB
8-15 years

Average response time: 1 hour

About Roberto

Enterprise solutions and integration consultant with 10+ years of experience across identity security, retail media, and SaaS platforms. Eight years at SAP/Gigya as a senior technical expert on Customer Identity & Access Management (CIAM) and Customer Data Platform (CDP), handling high-severity escalations, federated identity implementations (SAML, OIDC), ETL pipeline builds, and API integration across EMEA enterprise clients.

Currently Lead Implementation Engineer at Epsilon Retail Media (CitrusAd), owning the full integration lifecycle for major UK retailers: pre-sale scoping, API architecture, BigQuery analytics, RFP/POC delivery, and cross-functional project management.

Completing an MSc in Cyber Security & Privacy at UOC.

Available for: integration architecture, API design and troubleshooting, CIAM/identity consultancy, ETL and data pipeline builds, technical due diligence, interim technical leadership, and pre-sales engineering support.

Bilingual: English and Spanish. Operating through a UK limited company.
  • English

    Native or bilingual

  • Spanish

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • Epsilon
    Lead, Customer Onboarding and Implementation - Epsilon Retail
    December 2023 - Today (2 years and 6 months)
    London, UK
    Lead technical engineer responsible for the end-to-end CitrusAd (retail media) integration lifecycle for major UK retailers — from pre-sale scoping and API architecture through build, launch, and post-launch support.

    I own the technical relationship with enterprise retail clients, acting as the primary technical point of contact across their entire CitrusAd deployment. This covers API integration design, BigQuery analytics, RFP responses, POC delivery, and cross-functional project management across product, engineering, and client teams.

    - Technical consultancy: providing architectural guidance to clients on CitrusAd platform integration, ensuring implementations are aligned with their strategic goals.
    - Pre-sales: demonstrating software capabilities, producing RFP responses, and delivering POC projects to win and expand accounts.
    - Project management: overseeing planning, risk management, and execution across multiple teams and concurrent client implementations.
    - Second-level support: resolving complex technical issues escalated beyond standard support, ensuring ongoing platform performance.
    - Documentation: maintaining comprehensive records of client status, implementation processes, and technical configurations.

    Tech: CitrusAd platform, REST APIs, BigQuery, JavaScript.
    Postman BigQuery Python Batch Processing Implementation
  • CitrusAd
    Technical Account Manager
    October 2023 - December 2023 (2 months)
    London, UK
    Initial role prior to Epsilon's acquisition of CitrusAd. Managed technical client relationships and platform adoption. Transitioned into the expanded Lead Implementation Engineer role upon organisational restructure.
    postman Python batch processing implementation
  • SAP Customer Data Solutions
    Senior Solution Support Engineer
    July 2022 - October 2023 (1 year and 3 months)
    London, UK
    Senior technical expert for SAP's Customer Identity & Access Management (CIAM) and Customer Data Platform (CDP) SaaS solutions — the enterprise suite originally built by Gigya and acquired by SAP in 2018.

    Operated as the escalation point for complex technical issues affecting enterprise customers across EMEA, deep-diving into client-side code and infrastructure to diagnose and resolve implementation failures.

    - Consistent top performer — achieved 90th percentile in customer satisfaction surveys.
    - Implemented and troubleshot federated identity protocols: Microsoft Azure AD SAML IDP/SP, OpenID Connect.
    - Built, managed, and troubleshot client ETL flows between SAP CDC and third-party systems (Salesforce, Azure Blob, AWS S3).
    - Debugged mobile applications across Swift, Android, React Native, and Flutter SDKs.
    - Diagnosed client-side implementation issues using Fiddler, Charles Proxy, Kibana log analysis, and browser developer tools.
    - Troubleshot client eCommerce connectors: Drupal, Magento, WordPress, AEM.
    - Built demo pages using JS, HTML, and CSS to demonstrate technical features.
    - Served as Onboarding Lead — technical trainer for new team members on products and features.
    - Managed Knowledge Base Articles (KBAs), improving re-usage, citation rates, and customer support deflection.
    - Provided reproduction steps and technical specifications to product teams when product defects were identified.
    - Collaborated cross-organisationally to manage customer escalations that couldn't be resolved through the normal support process.
    - KCS and SAP Pulse-certified incident processor (Case Management Best Practices).

    Tech: SAML, OIDC, REST/JSON APIs, JavaScript, PHP, Fiddler, Charles Proxy, Kibana, mobile SDKs (Swift, Android, React Native, Flutter), ETL, eCommerce connectors.
    ETL External API integration Implementation Cloud Integration CIAM

Recommendations

Be the first to recommend Roberto

Help this freelancer shine by sharing your experience working together.

These freelancer profiles also match your criteria

AgathaA

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

2

BaptisteB

Baptiste Duhen

Fullstack developer

4.6

(4)

5

AmedA

Amed Hamou

Senior Lead Developer

4

(2)

7

AudreyA

Audrey Champion

Web developer

4.3

(3)

4

Education

  • Microsoft Certified Professional
    Microsoft Certified Professional
  • Masters Degree in cybersecurity and privacy
    Universitat Oberta de Catalunya, Spain
    Network Security, Cryptography, Threat Modelling, Privacy & Compliance (GDPR/NIST), Penetration Testing, Secure Systems Design.

Skill set

Categories