Summary
Overview
Work History
Education
Skills
Languages
Timeline
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Sebastian Diaz

Bogotá,DC

Summary

Engineering Manager with 9+ years of experience in software development and technical leadership, currently leading integration-focused initiatives in the fintech space. Proven ability to build and scale multidisciplinary teams, manage complex API integrations, and serve as the technical bridge between business stakeholders and engineering teams.

Specialized in launching custom credit solutions (Lending and Credit Card cores), overseeing integrations with third-party providers (payment gateways, KYC, APIs), and aligning development efforts with operational KPIs. Strong communicator and mentor, experienced in guiding teams through both architectural decisions and career growth.

Passionate about building robust, scalable solutions that generate real value for clients and internal teams.

Overview

9
9
years of professional experience

Work History

Engineering Manager II

MO Credit Managetment Platform
Bogotá
01.2025 - Current
  • Continued leadership over the Instantiation Team, scaling to 9+ engineers (Backend & Frontend) to deliver end-to-end credit core implementations (Lending & Credit Card).
  • Acted as technical lead and point of contact in client-facing integrations, translating business requirements into robust technical solutions.
  • Oversaw the integration of third-party services such as payment gateways, KYC processes, webhooks, and custom APIs based on client needs.
  • Designed and led implementations of custom features beyond the out-of-the-box product scope, ensuring high adaptability of core products.
  • Partnered with Operations, Business, and Product teams to define and execute integration roadmaps, from initial onboarding to production go-live.
  • Contributed to the strategic design of the company's instantiation process, optimizing for scalability, cost-efficiency, and delivery timelines.
  • Led engineering best practices across Frontend and Backend stacks, using technologies like Django, Python, and event-driven architecture.
  • Provided mentorship and growth plans for team members, fostering a culture of ownership, technical excellence, and continuous learning.

Engineering Manager I

MO Credit Management Platform
Bogotá, DC
11.2022 - 01.2025
  • Built the Instantiation Engineering team from the ground up to deliver core Lending and Credit Card implementations, growing the team to 9 multidisciplinary engineers.
  • Acted as the main technical counterpart for new client integrations, coordinating closely with Operations, Business, and Product teams.
  • Led the development of client-specific features and integrations outside the standard product offering.
  • Oversaw third-party integrations including payment gateways, APIs, KYC processes, and webhook infrastructure.
  • Spearheaded the full instantiation lifecycle for new clients—from scratch to production deployment—ensuring alignment with business objectives.
  • Designed the company's instantiation process to reduce time-to-market and implementation costs while improving client satisfaction.
  • Managed engineering initiatives across the stack, supporting product stability, scalability, and innovation.
  • Mentored team members, conducted regular 1:1s, and created structured career development paths.

Front-End Engineer IV

MO Technologies
Bogotá, DC
12.2021 - 11.2022
  • Designed and developed Front End software applications for important Banking solutions like "Buy Now Pay Later" trending.
  • Integrated security solutions like Payment Gateways and ID verification.
  • Crafted proof of concept work for creative new solutions applied to the "Fintech" environment.
  • Oversaw daily operations, delegated tasks and assignments and implemented strategies to optimize workflows.
  • Provided leadership, insight and mentoring to newly hired employees to supply knowledge of various company programs.
  • Delegated work to staff, setting priorities and goals.

Front-End Engineer III

MO Technologies
Bogotá, DC
09.2020 - 12.2021
  • Created dynamic web apps using Angular and NGRX to suit individual financial tech client needs.
  • Developed credit card and payment loans applications (hybrid) using IONIC with Angular and NGRX, deploying to Android and IOS.
  • Provided mentoring, training and leadership for all Frontend team.
  • Coordinated with the Frontend Developer Manager to understand project needs and provide needed support to meet targets.

Full Stack Engineer

ITGlobers
Bogotá, DC
04.2020 - 09.2020
  • Created successful ecommerce websites that met requirements for objectives such as load speed and design using the platform Vtex with React and GraphQL.
  • Redesigned ecommerce sites to enhance navigation and improve visual appeal for different LATAM clients using Vanilla Javascript or Jquery.
  • Develop REST services and other third-party APIs to shorten development times and expand product capabilities with NodeJS and ExpressJS.

Application Development Analyst

Accenture
Bogotá, DC
10.2019 - 04.2020
  • Developed software hybrid applications for financial tech clients using IONIC with Angular.
  • Developed tailored plugin to client requirements utilizing CORDOVA and native technologies.
  • Integrated identity verification solutions to hybrid apps using native mobile languages.

Freelance Unity Developer

Bogotá Mayor's Office
Bogotá, DC
05.2019 - 11.2019
  • Coordinated and helped in the development of the 2D game named "Descubriendo Bogotá" for the Bogotá Mayor's Office using Unity with C# combining augmented reality with 2D graphics deployed for Android and IOS.

Front End Developer

Cencosud S.A
Bogotá, DC
08.2018 - 09.2019
  • Monitored and improved the "tiendasjumbo.com" website performance to quickly rectify front-end-related issues.
  • Created landing pages and dashboards using Vanilla Javascript and Jquery with HTML5 and SCSS.
  • Created and launch the "tiendasmetro.com" website using the ecommerce Vtex framework.

Front End Developer

BEXTechnology S.A
Bogotá, DC
06.2017 - 08.2018
  • Created dynamic websites and intranets for government and private clients using Microsoft Sharepoint, ASP.NET, Javascript and Jquery.

Front End Developer

Smart4 Solutions
Bogotá, DC
03.2017 - 05.2017
  • Developed ecommerce sites to work with Wordpress using Javascript and Jquery.

Web Developer

KAPTA SAS
Bogotá, DC
02.2016 - 03.2017
  • Designed websites, portals and web applications for automotive clients using Javascript and Jquery.
  • Developed instructional material used by instructors and educators using Articulate and AngularJS.

Education

Multimedia Engineer - Computational and Multimedia engineering

Universidad Militar Nueva Granada
Bogota DC
12.2015

Certificate - SCRUM Fundamentals

SCRUMstudy
Bogotá
07.2017

Skills

  • Django
  • Python
  • Domain Driven Design (DDD)
  • PostgreSQL
  • Angular
  • NGRX
  • RXJS
  • Ionic
  • Typescript
  • Web Components
  • Stencil
  • ReactJs
  • Redux
  • Jasmine
  • OOP
  • Design Patterns
  • Testing Library
  • Jest
  • Python
  • Django
  • SQL
  • Vanilla Javascript
  • ES6
  • NodeJS
  • ExpressJS
  • MongoDB
  • HTML5
  • CSS3
  • Git
  • Gitlab CI
  • AWS (S3, CloudFront, DynamoDB, CloudWatch, Lambda)
  • Agile development methodologies (SCRUM)
  • Client-oriented technical leadership
  • Cross-functional collaboration
  • Strategic planning & execution
  • Mentorship & people development

Languages

Spanish
First Language
English
Upper Intermediate
B2

Timeline

Engineering Manager II

MO Credit Managetment Platform
01.2025 - Current

Engineering Manager I

MO Credit Management Platform
11.2022 - 01.2025

Front-End Engineer IV

MO Technologies
12.2021 - 11.2022

Front-End Engineer III

MO Technologies
09.2020 - 12.2021

Full Stack Engineer

ITGlobers
04.2020 - 09.2020

Application Development Analyst

Accenture
10.2019 - 04.2020

Freelance Unity Developer

Bogotá Mayor's Office
05.2019 - 11.2019

Front End Developer

Cencosud S.A
08.2018 - 09.2019

Front End Developer

BEXTechnology S.A
06.2017 - 08.2018

Front End Developer

Smart4 Solutions
03.2017 - 05.2017

Web Developer

KAPTA SAS
02.2016 - 03.2017

Multimedia Engineer - Computational and Multimedia engineering

Universidad Militar Nueva Granada

Certificate - SCRUM Fundamentals

SCRUMstudy

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