Chester Javier

With over 10 years of commercial software development experience, I specialize in delivering scalable and high-performance solutions for startups. My expertise spans across the full stack, from backend technologies like Java, Spring Boot, and Microservices, to frontend frameworks such as React and Next.js. I’m also experienced in mobile development using React Native and Expo. My strong foundation in CQRS, MongoDB, PostgreSQL, and MySQL enables me to build resilient and robust systems. Having worked with diverse teams, I thrive in Agile and Scrum environments, contributing to both technical leadership and hands-on development. I am passionate about creating seamless user experiences and implementing solutions that meet business goals. I value collaboration and enjoy being part of a productive team that drives innovation.

NextJS
NextJS
React
React
TailwindCSS
TailwindCSS
jQuery
jQuery
Javascript
Javascript
Node
Node
CSS
CSS
HTML5
HTML5
Bootstrap
Bootstrap
Redux
Redux
Material UI
Material UI
Typescript
Typescript
NextJS
NextJS
React
React
TailwindCSS
TailwindCSS
jQuery
jQuery
Javascript
Javascript
Node
Node
CSS
CSS
HTML5
HTML5
Bootstrap
Bootstrap
Redux
Redux
Material UI
Material UI
Typescript
Typescript
Python
Python
FastAPI
FastAPI
Java / J2EE
Java / J2EE
Spring Boot
Spring Boot
Git
Git
Axon / CQRS
Axon / CQRS
Swagger
Swagger
Hibernate
Hibernate
Maven
Maven
YAML
YAML
Postman
Postman
Docker
Docker
Python
Python
FastAPI
FastAPI
Java / J2EE
Java / J2EE
Spring Boot
Spring Boot
Git
Git
Axon / CQRS
Axon / CQRS
Swagger
Swagger
Hibernate
Hibernate
Maven
Maven
YAML
YAML
Postman
Postman
Docker
Docker
AWS
AWS
Vercel
Vercel
Google Cloud
Google Cloud
Expo
Expo
React Native
React Native
Flutter
Flutter
Dart
Dart
MongoDB
MongoDB
PostgreSQL
PostgreSQL
MySQL
MySQL
Jira
Jira
Firebase
Firebase
AWS
AWS
Vercel
Vercel
Google Cloud
Google Cloud
Expo
Expo
React Native
React Native
Flutter
Flutter
Dart
Dart
MongoDB
MongoDB
PostgreSQL
PostgreSQL
MySQL
MySQL
Jira
Jira
Firebase
Firebase
Curix AG
Curix AG
Providing insight into the real-time data and security gaps of the IT infrastructure
TRUSTiiN
TRUSTiiN
AI-powered Test Automation Platform
Rateboard
Rateboard
Rateboard Web Application and third party API integration

M

Mernel Trading
Mernel Inventory System Application
Cashare AG
Cashare AG
Cashare Enterprise Web Application
Yabbu
Yabbu
Yabbu Enterprise Web, Android and iOS Application
Redmorph
Redmorph
Redmorph Enterprise Web Application
SIDO
SIDO
SIDO Enterprise Web, Android and iOS Application

Personal Projects

2024 - Present
SmartBuys Philippines, Manila, PHILIPPINES
Senior Developer

Oversees the design and development of the SmartBuys Philippines web and mobile enterprise application. Manages integration of third-party APIs. Directs the architecture of the web and mobile enterprise application.

2023 - 2024
Curix AG, Baar, SWITZERLAND
Senior Developer

Responsible for integrating third-party APIs into the CuriX system, demonstrating successful integration with Dynatrace, CheckMK, and Azure. Accomplished the development of a microservice metric collector for Dynatrace, CheckMK, and Azure. Tasked with establishing and configuring the Azure and CheckMK environment within a Linux VM to ensure smooth access and integration. Installed and configured the essential PRTG Network Monitoring tool on a Windows Server VM to facilitate communication with the collector microservice. Worked closely with the inaugural members of the development team to meet project milestones.

2022 - 2022
Trustiin, Ontario, CANADA
Freelance Senior Developer

Developed a comprehensive application by employing front-end development (React/Redux) and back-end development (Java/Spring Boot). This encompassed the creation of new modules and the strategic integration of third-party libraries to augment functionality. Produced thorough documentation for future reference and implemented unit tests to validate functionality and meet requirements.

2021 - 2022
Rateboard, Tyroll, AUSTRIA
Senior Software Developer

Enhanced application functionality by seamlessly integrating a new third-party hotel API, integrating hotelinx into the RateBoard System, and developing modules to augment overall capabilities. Implemented a more streamlined microservices architecture for improved efficiency. Additionally, authored comprehensive documentation for future reference and implemented unit tests to ensure functional and requirement validation.

2019 - 2021
Mernel, Manila, PHILIPPINES
Freelance Full Stack Developer

Spearheading the conceptualization and implementation of an extensive microservices architecture tailored for enterprise-level web and mobile applications. Responsible for orchestrating the commencement of development protocols, meticulous documentation, and deployment strategies for the product. Additionally, authored comprehensive documentation to serve as future reference. Implemented unit tests to ensure functional and requirement validation checks.

2017 - 2019
Cashare AG, Hünenberg SWITZERLAND
Senior Full Stack Developer (Remote)

Led the creation of the microservices framework for the enterprise application, overseeing design and architecture. This involved initiating module-by-module development to break down the application into smaller, deployable units. My responsibilities included researching impact analyses and solution specifications. Integrated OAuth2 security into the microservices structure, ensuring a robust security framework. I analyzed issues, conducted thorough root cause analyses, and proposed effective solutions. Recognizing the need for streamlined development processes, I proposed efficient and procedural development approaches. Additionally, I introduced Business Requirements Documents (BRDs) and Functional Requirements Documents (FRDs) to improve documentation and processes in both IT and business departments. Documented for future reference and implemented unit tests for functional and requirement validation checks.

2016 - 2017
Yabbu, Amsterdam NETHERLANDS
Lead Full Stack Developer

Focuses on helping people to effectively manage their meetings and improve results by cancelling the meeting. Leading the front and back end development teams, initiated the development process to create the Business Requirements Document (BRD) and Functional Requirements Document (FRD). Worked closely with the CEO to prioritize modules for bi-weekly sprint development, monitoring the progress of both local and remote team members. Systematically organized and assigned weekly deliverables for the team. Additionally, generated documentation for future reference and implemented unit tests for functional and requirement validation checks.

2014 - 2016
Redmorph LLC, Pennsylvania USA
Full Stack Developer (Remote)

Focuses on the well-being of children in the physical and online world. Led the foundational development of the entire enterprise application, spearheaded the overarching architectural design and development, fostered close collaboration with both local and remote team members to ensure timely task deliverables, and instigated the creation of Business Requirement Documents (BRDs) and Functional Requirement Documents (FRDs) for seamless integration into the development process.

2012 - 2014
BNC KK, Muntinlupa PHILIPPINES
Software Engineer / Mobile Developer

Integral contributor to the pioneering team responsible for crafting the foundational element of the comprehensive enterprise application. Spearheaded the creation of a gateway application for seamless customer action processing on the mobile platform. Pioneered the development of native mobile applications for iOS and Android for the product. Collaborated closely with the engineering team to ensure a swift and timely deployment of the product.

2010 - 2012
Intevalue Services Inc, Makati PHILIPPINES
Java Software Engineer

Part of the innovative group that formulated the foundational element for the online gaming casino website, designed the essential gateway module for communication across multiple online gaming casinos, and worked closely with the engineering team to ensure prompt and efficient product deployment.

2009 - 2010
Hemann La Sema, Makati PHILIPPINES
Java Engineer L2

Develop modules and documentation for the forthcoming projects, namely, the Electronic Human Resource Management System (eHR) and Location-Based System (LBS). Commenced the generation of comprehensive documentation for the newly proposed products. Conducted research and documented the Philippine Taxation Rules and Policies to serve as a foundational reference for the construction of the eHR system application. Subsequently, crafted a Minimum Viable Product (MVP) for the product, aligning it with the generated documentation.

2009 - 2009
Headway Process Logics, Makati PHILIPPINES
Java Application Software Developer

Developed a fully functional and scalable RSS module for the Philippine Stock Exchange application, which efficiently fetched, parsed, and displayed real-time stock market data from various news sources.

Contact

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