Senior Technical Lead · Banking Modernization & GenAI

Jaime Garcia Garcia

Throughout my tech consulting career, I have focused on driving meaningful impact and modernization in banking web applications, transforming legacy systems into scalable, user-centered solutions that deliver real business value.

  • 7 yearsBanking transformations
  • 8-12 peopleTeams led
  • 10+ yearsTotal experience
Jaime Garcia Garcia portrait

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Stack & Skills

Core tech stack and cloud tools.

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Experience

Technical leadership and key deliverables.

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Projects

Case studies with measurable impact.

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Playground

Labs, 3D experiments and motion.

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Contact

Let's discuss your next challenge.

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Stack & Skills

Deep expertise in frontend, backend, and cloud automation for end-to-end products.

Leadership

Leads from a technical, methodological, and business perspective with a global vision

Team Leadership & Motivation

Leadership

Strategic Decision-Making

Leadership

Stakeholder Management & Communication

Leadership

Strategic Decision-Makingg

Leadership

Project & Team Management

Governance, agile frameworks, and methodologies to ensure quality delivery and stakeholder alignment.

Agile & Scrum methodologies

Consulting

Lean & Continuous Improvement

Consulting

Kanban & workflow optimization

Consulting

Project governance & stakeholder alignment

Consulting

Tech Stack

Secure and accessible banking interfaces, aligned with business needs.

TypeScript

Backend

React

Frontend

GitHub Copilot

AI

Codex by OpenAI

AI

AI-Foundry

AI

Cloud & Backend

Microservices architecture, legacy integration, and scalable deployments.

Azure Cloud

DevOps

PostgreSQL

Backend

Java microservices

Backend

API Design

Backend

Experience

Stories of impact, scalability, and technical leadership.

  1. Senior Technical Lead

    NTT DATA

    jul 2025 — Actualidad

    • Project Management: Coordinate and developed a project in 2025 bridging legacy systems with innovative architectures across the AI Agents and GenAI. From the Modernization Agency we have been driving initiatives powered by AI-Agents and generative AI, building process to transform legacy architectures into modern, scalable solutions based on BIAN approach.
    • Leadership: Driving a full-stack team defining ux-solutions, guiding development (frontend & backend), deploying in cloud environments, and coordinating delivery with business stakeholders.
    GenAIBIANMicroservicesAzureTypeScript
  2. Software Engineer Technical Lead

    NTT DATA

    jul 2022 — jul 2025

    • Technical Leadership: Coordination between backend (Java microservices), frontend (React), and mainframe teams to implement key enhancements in Allfunds’ web portal.
    • Software Development: Contributed with hands-on frontend and backend development tasks to support delivery goals.
    JavaLifeRayAzure DevOpsPostgreSQLMainframe
  3. Senior Software Engineer

    NTT DATA

    feb 2020 — jul 2022

    • Technical Leadership: Leading software development projects, collaborating with clients, and assigning tasks to the team following Agile methodologies.
    • Design and Implementation: Designing and implementing software solutions and documentation as Technical Designs, Functional Specification Document including all needs and expectation confirmed during the analysis phase. Supervising and leading implementation of the code to different environments.
    • Mentoring and Collaboration: Mentoring junior programmers, participating in code reviews, and promoting collaboration within the team.
    TypeScriptJavaSQLAzure DevOps
  4. Software Engineer

    NTT DATA

    jul 2018 — feb 2020

    • Software Development: Build code, design functional and technical documentation and execute the implementation of new features. Fix bugs, and optimize existing code following coding standards and best practices. Main projects involve where with Banking clients such as WiZink or Bankinter.
    • Testing and Debugging: Test software functionality, perform unit testing, integration testing, and assist with system or user acceptance testing. Debug and troubleshoot issues reported during testing or by users to ensure software performs as intended.
    • Collaboration and Learning: Collaborate with team members, understand requirements, share progress, and seek guidance. Actively participate in meetings, discussions, and code reviews.
    JavaSQLTestingScrum
  5. Personal Banker

    Santander UK

    ene 2016 — jun 2018

    • Managed client portfolios, designing personalized banking plans and identifying new opportunities.
    • Led weekly risk initiatives and reports for the operations team.
    • Served as Digital Champion promoting mobile app adoption and providing in-branch technical support.
    CRMRisk ManagementCustomer Success
  6. Internship Trainee

    Banco Santander

    nov 2014 — dic 2015

    • Co-organized international workshops to coordinate Santander Universidades digital strategy.
    • Managed virtual communities with 500+ members across 18 countries sharing best practices.
    • Demonstrated organizational and communication skills to global executive teams.
    CommunicationEvent ManagementSocial Media

Featured Projects

Cloud products with tangible results and real measurements.

Live
Repository

Modernization Agency & GenAI Platform

Modernization hub combining generative AI, BIAN standards, and microservices to transform banking core systems.

  • Full-stack design: architecture, backend, and frontend to govern legacy channel migrations to cloud.
  • Automates legacy functionality discovery and proposes target blueprints through GenAI agents.
  • Includes operational dashboard with real-time metrics for management and technical teams.
GenAIBIANAzureTypeScriptMicroservicesCbN

Allfunds Digital Portal Modernization

Evolution of Allfunds portal integrating mainframe and new microservices without degrading fund manager experience.

  • Coordinated backend, frontend, and core squads to deliver regulated releases on aggressive timelines.
  • Implemented UX improvements and LifeRay modules ensuring AA accessibility and stable performance.
LifeRayJavaAzure DevOpsMicroservices

Playground

WebGL experiments, data viz, and rapid interaction prototypes.

Coming soon: repository of experiments with react-three-fiber, particles, and serverless microservices.

Let's build something brilliant

Currently exploring new opportunities in fintech, banking modernization, and technical leadership roles that drive real impact.