This CV, while comprehensive in detailing technical skills and extensive experience, suffers from several critical issues that hinder its effectiveness. It lacks clear organization and readability, with long lists of technologies and frameworks that overwhelm the reader without highlighting key strengths or achievements.

Additionally, the absence of quantifiable accomplishments and impact metrics makes it difficult to gauge the candidate's true contributions and successes. The document also contains numerous grammatical errors and inconsistent formatting, which detracts from its professionalism.

An expertly crafted resume should present a cohesive narrative, emphasizing relevant skills and experiences with measurable outcomes, and be free from language and formatting issues.

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John Jefferson
B.C.Sc(UCSY) Full Stack Developer

Contact Information
Phone: +852 7777 9999
Email: john.jefferson@myemail.com
Address: Flat 11C, Heath Towers, Scallion Lane, Central, Hong Kong

Personal Statement
I have fifteen years of practical experience in IT development with strong interpersonal skills. I hold a bachelor’s degree in computer science. I am a Full Stack Developer proficient with a solid development background. I primarily focus on backend development and web services like AJAX with JavaScript and have experience with Node.JS, Java, Python, and PHP. I also perform system analysis according to requirements.

Job-Related Information
Years of experience - 15 years

Technical Skills: Programming Languages
C, C++, Java (Java SE, JEE), C#, VB.NET, VB Script, JavaScript, PHP, Python, Objective C, Ruby, Node.JS, Go, Rust, Haskell, Swift, Dart, TypeScript

Frameworks
JQuery, ReactJS, VueJS, Angular, ExtJS, Express.JS, Redux, Sequelize, MEAN.js, MEAN.io, EJB 3.0, Spring, Apache DeltaSpike, Struts 1, Struts 2, SpringBoot, SpringMVC, JSF, Apache Trinidad, PrimeFaces, JSP, Servlet, ActiveMQ, GWT, Google App Engine, Apache Logging, Cordova, Apache Commons, Laravel, Yii2 Framework, Ruby on Rails, Hibernate, JPA, iBatis, MyBatis, JDBC, JMS, Java Mail, JUnit, OSGi, Android, Swing, AWT, Django, Ruby on Rails

System Development Tools
UML, System Analysis and Design, ER Diagram

Formatting Languages
XML, HTML, CSS, XSLT, XHTML, DHTML, AJAX

Web Servers and Application Servers
WebLogic Server, Websphere, Glass Fish, JBoss, Apache Tomcat Server, Jetty

Database Servers
Oracle Database 10g, MySQL 5.5, Microsoft SQL Server 2008 R2, Microsoft Access, Apache Derby, MongoDB, DB2

IDEs
Microsoft Visual Code, IntelliJ, Sublime, Oracle JDeveloper, Eclipse, NetBean, Microsoft Visual Studio, Android Studio, Adobe Dreamweaver

Revision Control
Git, Apache Subversion, CVS, Dimensions CM

Operating Systems
Windows Servers, Windows, Linux, Mac OS

Clouds
AWS, Azure

Professional Experience

ABC Bank, Hong Kong
HR Department,
Principal Consultant
(Jul 2023 – Present)

• Writing unit test cases and ensuring code coverage.

• Delivering projects on time.

• Developing using RESTful APIs.

• Designing and analyzing requirements for onboarding automation.

• Using Git, Jenkins, Docker.

• DB: MariaDB, JS: React, TypeScript, TypeORM.

• Collaborating with quarterly release teams to merge data and report into dashboards (design + develop).

XYZ Corporation, Hong Kong
HR Department,
Senior Application
Consultant
(May 2022 – Jul 2023)

• Working with TypeScript for batch job server side and frontend.

• Using agile methodologies as software development cycle methodologies.

• Developing using RESTful APIs.

• Designing and analyzing requirements for onboarding automation.

• Using Git, Jenkins, Docker.

• DB: MongoDB, MariaDB, JS: VueJS, React, TypeScript, TypeORM.

• Collaborating with quarterly release teams to merge data and report into dashboards (design + develop).

DEF Tech, Hong Kong
Software Department,
Senior Java Developer
(Mar 2021 – May 2022)

• Web application development in Java using Spring framework and interfacing with database using JDBC and SQL.

• Java application development on Windows, QNX, Unix, or Linux platforms.

• Object-oriented software design and UML modeling.

• Experience with JSON, Angular, JSP, JavaScript, HTML.

• Main Project: Web Application Development.

GHI Innovations, Philippines
Senior Backend Developer
(Sep 2020 - Mar 2021)

• Creating and following technical specifications, defining system mechanics.

• Delivering tested and verifiable code, contributing to regular code reviews.

• Part of an agile development team striving for continuous improvement.

• Strong full stack development, participating in various types of testing.

• Main Project: Backend Development.

JKL Systems, Philippines
Senior Software Developer
(Feb 2019 – Mar 2020)

• Participating in the analysis, design, and implementation of business performance approaches.

• Writing code using Angular.js, Vue.js, Java, and Spring Boot on Azure Cloud.

• Working with partners in all business units, managing development of AI components in products.

• Main Projects: Competency Matrix, Incident Management System.

MNO Solutions, Philippines
Senior Full Stack Developer
(May 2018 – Dec 2018)

• Programming, debugging, and modifying internet-related computer programs for commercial applications.

• Writing code, completing programming, performing testing, and debugging applications using React.js, Angular.js, Redux, Java, occasionally PHP.

• Main Project: Full Stack Development.

PQR Studios, Philippines
Game Programming Supervisor
(Jul 2016 – Apr 2018)

• Taking requirements and documentation, developing the project with agile.

• Involved in conceptual database design, screen design, and implementation.

• Performing testing, deployment, and documentation.

• Main Project: Game Development.

STU Tech, Singapore
Software Developer
(Jul 2015 – Feb 2016)

• Adding new features and migrating legacy projects to modern platforms.

• Conducted database design and application implementation.

• Improved application functionality through rigorous testing and deployment.

• Main Project: Web Portal Development.

VWX Consulting, Singapore
Project Leader
(Dec 2014 - Jun 2015)

• Gathering requirements, analysis, and design.

• Scheduling developers’ tasks and tracking their progress.

• Creating the project frame skeleton, test scripts, and mock data.

• Main Project: Project Leadership.

YZA Partners, Singapore
System Analyst/ Senior Developer
(Mar 2013 - Nov 2014)

• Analyzing client requirements and customizing applications accordingly.

• Testing application functionality, structuring project skeletons.

• Developed cross-platform applications for Android and iOS.

• Main Projects: Mobile App Development.

BCD Technologies, Singapore
Senior Software Engineer
(Jan 2013 - Mar 2013)

• Conducted system analysis and design using design patterns.

• Developed applications with Struts, Spring, iBatis, and MyBatis.

• Enhanced system architecture and database design.

• Main Project: System Design.

EFG Data Systems, Singapore
Programmer Leader
(Nov 2011 - Sep 2012)

• Conducted system analysis and created project structures.

• Developed applications and performed code reviews.

• Enhanced project efficiency through mock screens and testing.

• Main Project: Stock Brokerage System.

HIJ Computing, Singapore
Senior Programmer
(Sep 2010 - Nov 2011)

• Analysis and system design, system architecture, using design patterns.

• Getting requirements from clients, developing applications.

• Maintained and enhanced existing projects.

• Main Projects: Management Systems.

KLM Software Solutions, Singapore
Customer Service Support & Junior Programmer
(Jun 2008 - Jul 2010)

• Conducted system analysis and developed applications.

• Collaborated with clients to gather requirements.

• Enhanced system functionality through testing and deployment.

• Main Project: Record System.

Freelance Programmer, Singapore
Freelance Programmer
(Mar 2007 - Apr 2008)

• Analysis and system design, getting requirements from clients, developing applications.

• Creating user documentation, learning Java and C# languages.

• Main Project: Dynamic Web Page.

Education and Professional Certification

• Bachelor of Computer Science (B.C.Sc[UCSY]), University of Computer Studies Singapore, 2003-2006

• Java Professional Developer Course, Singapore Technology, 2009

• Enterprise Java (JEE/J2EE) Course, Singapore Technology, 2009

• MCPA Certified Fundamental Software Engineer (FSE), Singapore Computer Professionals’ Association, 2009

• Android Mobile Application Development Course, Singapore University, 2013

• Project Management, Singapore, 2015

• Hack Challenge (Election App Challenge), Singapore, 2015

• Corporate Finance for SME, Singapore, 2015

• JCCI Bookkeeping (Level 3), Singapore, 2016

Non-Technical Skills:

• Strong communication skills in English

• Self-motivated and ambitious

• Adaptable and responsive to change

• Excellent team player and leader