TRAVIS HOANG

ad49se@r.postjobfree.com

669-***-****, San Jose, CA

Java Developer

SUMMARY:

Dedicated mid-level Java Developer with over 5 years of experience, specializing in modern programming languages like Java and Python. Deeply knowledgeable in design patterns, reliability principles, and Agile methodologies. Seeking to leverage expertise in building robust, scalable services on Serverless platforms to contribute effectively to dynamic development teams.

TECHNICAL SKILLS:

Core Skills:

Java, Spring Framework, Spring Boot, Hibernate, MySQL, ReactJS, Node.js, AWS, Microservices, RESTful APIs, Git

Front End:

ReactJS, HTML, CSS, JavaScript, Redux, JSX

Back End:

Spring Boot, MySQL, Hibernate, NoSQL (MongoDB, DynamoDB), Spring MVC, Python, Django,Express.js, GraphQL, Log4J2

Tools:

Git (GitHub, GitKraken, GitLab), Postman, AWS Services (Lambda, DynamoDB, AppSync, Cognito), SVN, IntelliJ, VS Code, Maven, Gradle, Slack

EDUCATION:

Bachelor of Science in Computer Science from San Jose State University, California 2003

CERTIFICATION:

GenSpark Java Microservices Certification

Comptia A+

HackerRank Python Certifications (https://www.hackerrank.com/certificates/34469b8508e7)

AWS Cloud Practitioner #Credential ID: YMK43S12Q11E13K9

Azure AZ-900 Azure Fundamentals Certified (https://www.credly.com/badges/16666d11-a537-4d13-a5ff-2dc1f4b92940/public_url)

Experience

DisasterAccountability.org Java Developer Remote January 2023 - Current

Created International Disaster Relief Systems for natural disasters.

Lambda Serverless Developer for CRUDS to DynamoDB tables.

Developed question-response system for efficient disaster relief.

Led Java Microservice development as volunteer project.

Built AWS-based Backend Microservices, including Lambda functions and AWS AppSync interaction.

Utilized AWS DynamoDB for data storage and normalization.

Implemented intricate Identity and Access Management (IAM) policies and roles to ensure secure access control across AWS resources.

Rapidly deployed and managed AWS infrastructure using Terraform.io.

Collaborated in code reviews and pull requests for seamless teamwork.

Implemented Agile methodologies for adaptable database schemas and rigorous testing.

Orchestrated API integration across UI, Core, and Middleware teams.

Conducted JUnit and Mockito unit tests for robust code quality.

Designed CRUD service to facilitate database interaction and front-end data retrieval.

Did code refactoring

Tasked on maintaining clear and concise technical documentation.

Cognizant Technology Solutions Java Developer San Ramon, CA May 2022 – August 2023

Developed REST APIs with Spring Boot, JPA, and dependency injection.

Achieve Certified AWS Cloud Practitioner and Microsoft Azure.

Supported Retail Banking app in production, ensuring seamless performance during peak seasons.

Collaborated across UI, Core, Middleware teams for API integration.

Led migration to ReactJS for enhanced user experience.

Built efficient Spring Java CRUD APIs interfacing MongoDB, MySQL, and DynamoDB.

Designed flexible MongoDB schema, enabling seamless data updates.

Proficiently used JSP, JavaScript, and CSS for front-end development.

Implemented Redis caching to improve application performance by reducing database query load improving page load by 30%.

Wrote JUnit and Mockito tests.

Established a robust CI/CD pipeline using Jenkins, GitLab CI/CD to automate the build test and deployment process.

Extensive experience in setting up CI/CD pipelines using tools such as Jenkins, Maven, Docker, Nexus, Artifactory, Slack and AWS Web Services.

Implemented intricate Identity and Access Management (IAM) policies and roles to ensure secure access control across AWS resources.

Conducted regular audits and assessments of IAM configurations to maintain compliance with industry security standards.

Cognito Integration Mastery:

Orchestrated seamless integration of Amazon Cognito for user authentication and authorization in various applications, enhancing overall security and user experience.

Leveraged Cognito triggers and custom workflows to tailor authentication processes to specific project requirements.

AppSync and GraphQL Proficiency

Engineered robust GraphQL APIs using AWS AppSync to facilitate efficient communication between client applications and backend services.

Implemented real-time data synchronization through GraphQL subscriptions, optimizing data retrieval and enhancing application responsiveness.

DynamoDB Optimization:

Designed and implemented highly scalable and performant DynamoDB databases, considering key factors such as partitioning, indexing, and throughput provisioning.

Utilized DynamoDB Accelerator (DAX) to enhance read performance and reduce latency in high-throughput applications.

Genspark Java Developer Alpharetta Georgia Feb 2022 – May 2022

Core Java development

Developed Java Applets

Developed SpringBoot Restful Applications

Wrote Node JS, Express JS API

Maintained codebase of React JS frontend components

KLA Corp Java Developer Milpitas, CA September 2019 – January 2020

Spearheaded end-to-end development as a Full Stack Developer, driving innovation in a dynamic startup environment.

•Developed a plethora of JSP templates for dynamic and responsive FrontEnd solutions.

•Demonstrated prowess in UI design, crafting visually captivating and user-centric interfaces.

•Employed Hibernate for efficient database interaction, optimizing data retrieval and storage.

•Engineered a robust payment system to facilitate secure and seamless transactions.

•Created and optimized a social network feature, enhancing user engagement and connectivity.

•Implemented CRUD database operations using spring and Java, ensuring smooth MySQL interaction.

•Designed and developed multimedia games, leveraging handheld device content for interactive experiences.

•Worked with JSTL, JSP pages, and Spring MVC framework.

•Performed ANT builds.

•Integration application with Yahoo Photos and Photobucket.

Nvidia Corp Senior Desktop Support Analyst Santa Clara, CA February 2019 – June 2019

Orchestrated Office 365 integration and streamlined workflows.

Led Desktop Support, serving as the primary point of contact for technical issues.

Implemented DJANGO/Python Laptop Loaner App, enhancing equipment tracking.

Maintained internal website using HTML, and CSS for dynamic user experiences.

Automated equipment onboarding via PowerShell scripting, boosting efficiency.

Leveraged ServiceNow for seamless ticket management and Docker for containerization.

Managed Active Directory, ensuring secure user authentication and access.

Average about 18 support ticket resolutions a day.

Initiated and executed specs for effective web service implementations.

Worked on a fair amount of executive support issues.

Did audio and video support issues.

Tesla Desktop Support Analyst Fremont, CA November 2018 – January 2019

Conducted cloning, imaging, and data recovery, optimizing system performance.

Managed asset inventory and provided specialized Macintosh and HP workstation support.

Collaborated with internal security to ensure compliance with company policies.

Detected and reported policy infractions, contributing to a secure work environment.

Gathered computer forensic evidence, aiding litigation processes.

RocketEMS Desktop Support Analyst Santa Clara, CA May 2017– May 2018

Provided comprehensive Level 1 and 2 desktop support to 100+ employees in a small company.

Managed end-to-end IT and desktop support, serving as the sole point of contact.

Oversaw procurement and distribution of computer equipment, specializing in DELL and Lenovo.

Maintained the company website using HTML, CSS, and React for optimal user experience.

Orchestrated Office 365 integration and management for enhanced productivity.

Played a key role as a Data Center Technician, ensuring critical infrastructure uptime.

Led Active Directory management and user support.

Expertly handled multi-media and AV needs, delivering seamless presentations.

Supported printers and maintained efficient network operations.

Guided IT initiatives as an IT lead, managing a user base of 100+.

Developed Python Desktop GUI with PTinker to enhance usability.

Viptela Inc Technical Support Engineer San Jose, CA January 2017 – April 2017

Managed Level 1 and 2 desktop support, optimizing user experiences.

Orchestrated seamless Office 365 integration for enhanced productivity.

Ensured Data Center operations for uninterrupted critical services.

Spearheaded Active Directory management, enhancing user access.

Delivered expert multi-media and AV support, elevating presentations.

Led successful implementation of Zendesk system, improving ticket management.

Collaborated effectively on Slack, facilitating streamlined communication.

American Financial Services Network Inc Technical Support Engineer San Jose, CA June 2016 – January 2017

Enabled smooth ATM and financial service deployment.

Facilitated effective HQ-to-customer communication.

Provided responsive email and phone support.

Executed accurate data entry and maintained communication logs.

Managed light clerical tasks with precision.

Setup equipment for seamless deployment.

Delivered customer-facing support for enhanced service experience.

Pareto Networks Full stack Java Developer Sunnyvale, CA January 2010 – July 2011

Drove front-end development using PHP and Java to create dynamic and engaging user interfaces.

Executed UI design strategies, resulting in intuitive and visually appealing user experiences.

averaged Java for front-end development, enhancing interactivity and responsiveness.

Conducted thorough debugging efforts to ensure seamless software performance and functionality.

Led end-to-end web application development using PHP and the LAMP stack (Linux, Apache, MySQL, PHP). Developed dynamic and interactive user interfaces leveraging PHP's server-side scripting capabilities.

Utilized the LAMP stack to optimize server performance, ensuring smooth handling of user requests.

Designed and implemented robust back-end logic, integrating MySQL for efficient data storage and retrieval.

Created RESTful APIs for seamless communication between front-end and back-end components.

Implemented security measures and authentication protocols to safeguard application data and user information.

Tapatap.com Java Engineer February 2008 – August 2008

Spearheaded end-to-end development as a Full Stack Developer, driving innovation in a dynamic startup environment.

Developed a plethora of JSP templates for dynamic and responsive Frontend solutions.

Demonstrated prowess in UI design, crafting visually captivating and user-centric interfaces.

Employed Hibernate for efficient database interaction, optimizing data retrieval and storage.

Engineered a robust payment system to facilitate secure and seamless transactions.

Created and optimized a social network feature, enhancing user engagement and connectivity.

Implemented CRUD database operations using Spring and Java, ensuring smooth MySQL interaction.

Designed and developed multimedia games, leveraging handheld device content for interactive experiences.

Integrating platform with Photobucket, a leading photo sharing service at the time.

Tellytopia.com Software Engineer Sunnyvale, CA April 2007 – February 2008

Directed comprehensive Systems Engineering initiatives, overseeing efficient operations and innovation.

Led as a Python Django specialist, orchestrating cutting-edge web application development.

Automated complex processes, optimizing efficiency and reducing manual intervention.

Expertly utilized a versatile technology stack including Python, Django, Spring, Hibernate, Castor, IDEAJ, Compass, Quartz, Lucene, Linux, CVS, Subversion, and Maven.

Spearheaded startup engineering efforts, contributing to rapid growth and scalability.

Developed Python system integration code, enabling seamless communication across diverse computer systems and set-top boxes.

Collaborated on a large-scale distributed system to generate impactful text advertisements paired with video content.

Leapfile.com Junior Java Engineer Fremont, CA October 2006 – April 2007

Spearheaded Full Stack development, consistently delivering high-quality JSP solutions.

Demonstrated UI design expertise, creating visually appealing and user-friendly interfaces.

Innovated by contributing fresh feature ideas and executing them for enhanced product offerings.

Implemented a robust Hibernate Persistence Layer, optimizing data storage and retrieval.

Engineered diverse payment systems, ensuring secure transactions via credit cards and ACH transfers.

Skillfully integrated customer branding elements, including logos and colors, for brand cohesion.

Bigbark.Net Junior Java Engineer Remote May 2006 – October 2006

Spearheaded the creation of engaging blog pages, enriching the website's content and user experience.

Worked diligently to advance news media and championed objective journalism.

Demonstrated versatility as a Full Stack Developer, contributing across front-end and back-end.

Gained invaluable mentorship under Patrick LightBody, the creator of Structs 2 framework.

Quimbik Inc Junior Java Engineer San Francisco, CA October 2005 – December 2005

Engineered dynamic web applications with a focus on user experience.

Maintained and updated static content, ensuring current and engaging online presence.

Proficiently worked with Struts and Hibernate frameworks, optimizing application functionality.

Showcased expertise as a Java Developer, creating robust and efficient solutions.

Tailored frontend templates to align with clients' branding, enhancing brand consistency.

Designed logos that resonated with clients' identities, reinforcing their branding.

Crafted DAO and Database Services, enabling seamless data interaction and management.

Portfolio

https://store-videocard-4c7907a9e721.herokuapp.com/

Frontend is ReactJS, Backend is NodeJS and Express with MongoDB

GitHub: https://github.com/travhoang77

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