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Leonardo A. CTO / Senior Lead Software Engineer

Leonardo A.

  • $75/hour
  • Argentina
  • Full-time (40 hrs/week)
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System engineer (+18 years of experience) with repeated success leading tech teams (3-9 members). Expert at developing and implementing best practices. I have the aptitude and disposition for learning and continuous improvement.

Skills and experiences

Skills and experiences

Senior Lead Software Engineer

Yappa World Inc 09/2020 - 12/2021

Responsible for:

  • Offer hands-on technical mentorship to engineering teams participating in architecture design, code review, pair programming, and implementation of proven software design patterns
  • Designing product features from the tech perspective.
  • Accelerate and optimize developer velocity by helping to implement best practices and owning results.
  • Ensure scalability and performance of the platform.
  • Tech stack: AWS, microservices architecture, ReactJS, VueJS, NodeJS, MySQL, GraphQL

Location: Argentina

Technology Manager

Intraway 08/2019 - 09/2020

Responsible for:

  • Defining the technology stack, libraries, frameworks, standards, procedures, etc.
  • Conducting one-on-one, feedback meetings.
  • Developing the cross components (Java, Angular 8, Go, Python, NodeJs)
  • Managing the dev and DBA teams - Supporting other areas to adopt the new technologies.
  • Maintaining and enhancing the CI/CD pipeline. (Kubernetes, Dockers, Helms) Direct report : CTO

Location: Greater Buenos Aires, Argentina

Senior Lead Software Engineer

Aracar Group 09/2018 - 09/2019
  • StartUp FinTech
  • Responsible for coordinating team's tasks.
  • Code Reviews.
  • Coaching and mentoring to developers.
  • Designed the architecture in Amazon Web Services (AWS).
  • Conducted the recruitment process.
  • Managed the development of new features.
  • Coordinated Salesforce integration
  • Stack used: ReactJS, NodeJS, MongoDB, React Native, Python

Location: Greater Buenos Aires, Argentina

Senior Lead Software Engineer

Opus9 01/2017 - 09/2018
  • StartUp Opus9 offers first-class multi-modal transportation services and solutions. Logistic startup based in California.
  • Responsible for managing the IT team in Argentina (backend, frontend, qa, devop)
  • Participate in the software architecture design
  • Provide technical guidance, coaching and mentoring to developers
  • Interact with Product Managers
  • Participate in the recruitment process.
  • Ensure software meets all requirements of quality, security, modifiability, extensibility etc.
  • Collaborate on development tasks.
  • Code reviews
  • Communicate successfully all concepts and guidelines to development team
  • Serve as meeting manager
  • Work remotely
  • Techs:
  • NodeJS + ReactJS -Java J2EE + Wildfly; Amazon AWS
  • Highlight: Very interesting product and challenges. I have built an excellent team. Directo Report: VP Engineering (US California)

Location: Greater Buenos Aires, Argentina

Tech Lead

Experiencia Futbol 12/2015 - 01/2017

StartUp -Responsible for coordinating team's tasks, QA and Operations. -Designed the architecture in Amazon Web Services (AWS). -Conducted the recruitment process. -Managed the development of an internal startup Projects/Techs: -Game (ReactJs / NodeJS / MySQL / AWS ECS-RDS / Dockers) -Biometric System (Laravel Php / MongoDB / AWS / Suprema devices) -Webs (Php, Angular2, NodeJS)

Location: Argentina

Remote Senior Java Software Engineer

Orbis Technologies, Inc. 09/2013 - 12/2015 -Developed new features -Maintained production environments -Analyzed business processes in order to configure the CMS -Daily meetings with US customers. Customers: HarperCollins

Location: Greater Buenos Aires, Argentina

Global IT Project Lead

Prosegur SA 02/2011 - 08/2013

Values Logistic and Cash Management -Responsible for managing roll-out projects in LATAM and Europe (Peru, Chile, Uruguay, Colombia, Spain, France). -Constant communication at all levels. -In charged of planning the entire project to integrate legacy systems with corporate applications. -Coordinated the gps + black box installation on armored trucks. -Managed distributed teams (analysts and developers). -Participated in the hiring process. Reason for leaving: I had to travel on business too often and I was looking for new challenges

Location: Argentina

Java Team Leader

Gilbarco Veeder Root 11/2007 - 01/2011

Retail company -Design, develop and maintain a Point of Sale. -Coordinate developers work Product: POS (Point of Sale) for gas stations Tech: Java, Swing, MS SQL

Location: Argentina

Java Senior Developer

Synthesis Retail Solutions 02/2003 - 11/2007

Retail company -Responsible for developing and supporting a credit/debit gateway application. Techs: Java, J2EE, Struts 1, Tomcat, JBoss, Oracle, MS Sql, AS400


RENAPER 05/2002 - 02/2003


Location: Buenos Aires

Educations and Certifications

Quality Tech

Logistics, Materials, and Supply Chain Management 2012 - 2012

SAP MM Certified


ITIL 2011 - 2011


Oracle Ins.

Curso BPM Oracle 2011 - 2011


Universidad Tecnológica Nacional

2010 - 2010

Coaching and Leadership

Universidad del Salvador

Quality Management: ISO 9000 & SIX SIGMA 2009 - 2009

Black Belt

Universidad Tecnológica Nacional

Systems Engineering 2001 - 2007

Systems Engineer



Professional working


Full professional
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