Nathaniel Marzan

NATHANIEL A. MARZAN Address: Avida Towers Centera Tower 4 Unit 222, EDSA cor. Reliance, Mandaluyong City, Philippines Contact No.: - Email:-WORK EXPERIENCE:  Aug 2024 – present Senior Software Engineer Tyler Technologies 18th Floor, Three/Neo Building 3rd avenue corner 30th St., Bonifacio Global City, Taguig City, Philippines Responsibilities • Maintains and develops new features for the enterprise multi-tenant online dispute resolution using Angular, Java, AWS lambda, Python and AWS managed MySQL DB. • Develops Proof of Concepts (POC’s) for new product features using React and Angular for frontend and Spring Boot for backend. • Develops Proof of Concepts (POC’s) for new product integrations using Google Firebase and Big Query Projects Handled • Multi-tenant Online Dispute Resolution • Upgrade of AWS Aurora DB for legacy applications • Client specific Courts and Justice Dispute Resolution  Feb 2021 – Aug 2024 Technical Lead / Senior Full-stack developer Tata Consultancy Services (Philippines) Inc. 10th Floor, Panorama Tower 34th St. corner Lane A, Bonifacio Global City, Taguig City, Philippines Responsibilities • Develops Proof of Concepts (POC’s) for new product features using React and Angular for frontend and Spring Boot for backend. • Develop new enhancements/features for the existing product using React or Angular for frontend and Java/Spring Boot (backend) • Trains junior developers to develop technical skills and deeper understanding on product development. • • Develop new web applications for the ever-changing client needs. Maintains existing Java-based system using Spring Framework and Spring MVC Projects Handled • React-based Network Inventory Management System • Angular-based Telecommunications Portal • Java-based enterprise system for Telco industry  Sept 2017 – Feb 2021 Technical Development Team Leader / Senior Full-stack developer (2019 – 2021) Team Leader - Java (2017 – 2019) TAPServices, Inc. (a subsidiary of Value Exchange Int'l (Hong Kong) Limited- Robinsons Equitable Tower, ADB Avenue, Ortigas, Pasig City Responsibilities • Develops applications and services using Java Core, Spring Framework and Spring Boot • Maintains, enhances, and supports existing applications, services and systems built on Java. • Develops Android Native apps using Android Studio • Develops Hybrid apps using Angular/Ionic • Full-stack development of POC’s using Angular, Spring Boot and JPA • Manages the whole development team of the company (maximum 20 developers) • Performs code reviews of all pull requests of all developers from Philippines, Hong Kong, and China offices. Projects Handled • Smart Vending Machine (Vending Machine using a touchscreen monitor to personalize or buy RFID tags / other items) • Retail One Platform (Software as a service that offers multi-platform retail applications such as mobile POS, Smart Vending Machine, Member and Retail Staff applications) • Fleet Management System for disabled patients for The Hong Kong Society for Rehabilitation • Integration of Bills Payment (Bayad Center) and BEEP Payment to POS Systems • Scan and Go Android Apps (App that can be used as a remote POS for queue busting) • Self-checkout (SCO) system for supermarkets (cashier-less payment method) • Peripherals Framework (multiple integration to various devices such as printers, cashless payments, robots, etc.)  June 2016 – Sept 2017 Technology Consultant and Developer Hewlett Packard Enterprise / DXC Technology 28 Upper McKinley Rd, Taguig, Metro Manila Responsibilities • Develops applications and services using Java and J2EE • Maintains, enhances and supports existing applications and systems built on Java. • Leads a team of 5 members to migrate an Oracle BPM 10g system to 12c. • Conducts technical trainings to entry-level hires. • Manages technical standards and process of Oracle Service Management Team Projects Handled • •  Secure Access Management (Java-based) Development, maintenance and enhancements Oracle BPM 10g to 12c migration/re-development of Digital Framework (DF) July 2015 – June 2016 Software Developer - Java and Business Intelligence TAPServices, Inc. (a subsidiary of Value Exchange Int'l (Hong Kong) Limited) Unit 510 East Tower, Phil. Stock Exchange Center, Exchange Road, Ortigas Center, Pasig City Responsibilities • Develops applications and services using Java and Spring Framework • Maintains, enhances and supports existing applications, services and systems built on Java. • Develops reports using JasperReports and deploys it in Spago BI • Develops stored procedures and SQL jobs using SQL Server that are essential in reporting. • Resolves assigned L3 tickets. • Travels onsite (Hongkong) to work on projects. Projects Handled • Telco Top-up System (Integration of Mobile top-up through POS) • iBeacon Heatmap reporting of Hongkong International Airport for their campaigns. • Reconciliation reporting of Retail Stores and Head Office • Social Media Reward System (Using Twitter to send out Gift Certificates to users portraying positive and negative sentiments)  March 2013 – July 2015 Application Developer - Java IBM Solutions Delivery Inc. 5/F IBM Plaza, No. 8 Eastwood City, Cyberpark, Libis, Quezon City Responsibilities • Develops applications for clients using Java Core and J2EE • Supports and enhances deployed systems. • Helps in the implementation of projects. • Resolves assigned L3 Tickets • Conducts interviews and screening process for applicants. Projects Handled • Automation Tools Development for IBM Testers (Tool that can perform custom steps that external tools cannot do) • PHH Project (Mortgage and Fleet System using J2EE) • Implementation of Pharmacy application to Loblaw (Canada) • Log Collection Tool for IBM Testers (Unix Platform) SKILLS: • • • • • • • • • • • • • • ReactJS Angular Node.js, Express.js Java Core, J2EE Spring Framework, Spring Boot Python AWS EC2, Lambda, DynamoDB, SQS GCP, Firebase, Big Query JPA, Hibernate PL/SQL, MS SQL Server, MySQL, PostgreSQL Business Intelligence Application and Server Security, Penetration Testing Android Native Oracle BPM 10g and 12c LICENSES AND CERTIFICATIONS:  Oracle Certified Associate Java SE 7 Programmer I Makati City, Philippines April 2014 – present  PRC Licensed Electronics Engineer General Average: 86.6 Manila, Philippines November 2012 – November 2015 EDUCATIONAL ATTAINMENT: Tertiary Bachelor of Science in Electronics Engineering SY- Saint Mary’s University Bayombong, Nueva Vizcaya, Philippines TRAININGS: IBM Java Bootcamp IBM Solutions Delivery Inc. UP Ayala Techno Hub Bldg. J, Commonwealth Ave. Diliman QC 1126, Diliman, Quezon City March 2013 – April 2013 UNIX Training Informatics 5th Level, Building A, SM Megamall, Mandaluyong City Oct 2017 CHARACTER REFERENCES: *Available upon request.