
JESUS ORTIZ
💻 Data and Software Engineer
🧑🏻💻 Freelancer
📳 786 630 5797
I'm
About

Senior Data & Software Development Engineer with 12 years of experience, I have a proven track record of success in diverse projects across the 🏦 Fintech, 💸 Retail, and 🏥 IT Health Care sectors.
My professional journey has included 👩💻 roles such as Java and Angular Developer with ☁️ AWS cloud expertise, Android Developer, Web Freelancer and IT department technical leader.
Services
Data Analysis
Transforming raw data into actionable insights for better decision-making.
Web Development
Responsive Web Design, Web Applications, E-commerce Solutions, API Development.
Computers & Smart Devices
Repairs & Upgrades, Software Installation, Troubleshooting, Virus & Data Recovery.
Servers and Cloud
Increased Scalability, Increased Flexibility, Enhanced Security, Enhanced Compliance.
Networking & Security
Comprehensive networking solutions and security measures to protect your data.
IT Consulting
Expert advice on IT strategy, infrastructure optimization, and technology integration.
Portfolio
Skills
Resume
Last Professional Success Results
In 2022, I played a key role in Fiserv Uruguay's success in becoming the first payment network, capturing over 50% of the Uruguayan payments market across all environments. As part of the FSwitchUY team, we focused on maintaining robust solutions through continuous updates and timely resolution of critical security issues, enabling the company's sustained growth.
Last Freelance Success Results
In 2024, I received positive feedback for an urgent web project for the Clinic Mental Wellness of Florida. This was a crucial milestone in expanding the business and enhancing its online presence, effectively streamlining the appointment process throughout the site.
Professional Experience
Key responsibilities:
- Develop and manage healthcare system workloads, integrations, and automations
- Improve PostgreSQL databases, SQL functions, and database tuning
- Build KNIME ETL workflows and serverless functions
- Create pivots, Power Query code, and batch jobs
- Develop Java/Python scripting and AI solutions
- Implement Power Automate pipelines and workflow automation
Key achievements:
- Developed Spring and Angular payment processing solutions for POS terminals, ATMs, e-commerce, and financial authorizers
- Implemented REST, ISO8583, and SOAP protocols for financial transactions
- Reduced log backup time by 60%, enhancing data security
- Implemented integration tests using Selenium, JUnit, and Docker, decreasing production issues by 40%
Key achievements:
- Developed Jakarta EE solutions (REST/SOAP APIs and web applications)
- Used PrimeFaces, Docker Compose, JSF 2.3, Payara, and Hibernate technologies
- Improved API response times by 40% and enhanced POS terminal reporting
- Redesigned mobile app and admin dashboard UI/UX, increasing user satisfaction
Infrastructure & Application Development:
- Improved system uptime to 97% by upgrading 14 on-premises dependencies
- Implemented Hyper-V, Windows Server 2012, SQL Server, and HP ProLiant servers
- Decreased data processing time by 70% through ETL workflow implementation
- Utilized Pentaho, Queues, and Scala scripting for large datasets
- Reduced operational costs by $500,000 with inventory management application
Education
Technological University of Havana (CUJAE), Cuba
I graduated in Computer Engineering and gained experience in the COREMAIN development group at CUJAE, specializing in Healthcare Informatics Standards like HL7, openEHR, and HCE.
Certifications
Clients
Discover how our services have transformed businesses and satisfied clients.