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Xavier B. Hemmings

Software Development | Full-Stack & UI/UX | Solution Architecture

Kingston, Jamaica | +1 (876) 507-6645 | x_hemmings@yahoo.com | XavierHemmings.com

PROFESSIONAL SUMMARY

Full Stack Developer with strong foundation in software development, UI/UX design, and technical architecture. Experienced in building enterprise solutions using modern web technologies including JavaScript, Python, and PHP frameworks. Proven ability to manage full software development lifecycle from requirements gathering and architecture design to implementation and deployment. Strong background in database design, API development, and creating user-friendly interfaces. Passionate about teaching and mentoring aspiring developers in programming fundamentals and best practices.

15+ YearsSoftware & Solution Development

6,500+ UsersEnterprise Data Solutions Delivered

60-70%Manual Effort Reduced via Automation

End-to-EndRequirements Through Deployment Delivery

PROFESSIONAL EXPERIENCE

Software Developer & Solutions Architect

Symptai - CIBC Enterprise Project | June 2023 - January 2024

Led full-cycle software development for enterprise solution, managing multiple roles including developer, architect, designer, and project manager
Designed comprehensive data architecture including database schema, entity relationships, and data access patterns
Created detailed UI/UX designs in Figma, developing wireframes, user flows, and high-fidelity mockups based on client requirements
Documented current state and future state workflow diagrams, identifying technical requirements and system integrations
Developed detailed project plan with task breakdown, effort estimation (hours per task), and resource allocation
Facilitated technical discussions and client meetings, gathering requirements and managing stakeholder expectations
Implemented application architecture following MVC patterns and RESTful API design principles
Collaborated with development team on code implementation, conducting code reviews and ensuring quality standards
Wrote technical specifications and system documentation for development team and future maintenance

JavaScript Instructor & Software Development Mentor

Various Teaching Engagements | Ongoing

Teaching beginner-level JavaScript programming to aspiring developers, covering fundamentals to intermediate concepts
Developing curriculum and hands-on coding exercises focused on practical application and problem-solving skills
Mentoring students on best practices including code organization, debugging techniques, and version control
Creating learning materials and code examples demonstrating DOM manipulation, event handling, and asynchronous programming
Providing one-on-one guidance to help students overcome programming challenges and build portfolio projects
Emphasizing industry-standard practices and preparing students for real-world development scenarios

Solutions Developer & Automation Engineer (Contractor)

VMBS (Victoria Mutual Building Society) | Various Projects

Developed automated workflow solutions using Power Automate, integrating with Excel and email systems
Built data transformation logic and business rules for automated report generation system
Created technical documentation including system architecture, deployment procedures, and user guides
Implemented error handling, logging, and monitoring for production automation workflows
Designed reusable components and modular code structure for maintainability and scalability
Collaborated with business stakeholders to translate requirements into technical solutions

Senior Business Intelligence Analyst

Digicel Jamaica | September 2018 - Present

Building in-house software solutions and analytical tools supporting business operations
Building custom data transformation scripts and automation tools using Python and VBA
Creating database-driven applications for customer analytics and reporting
Designing and implementing ETL processes using SQL and Power Query
Directing development of software solutions through analytics findings and technical expertise
Leading UAT processes for new applications, ensuring quality and user acceptance

Key Projects & Technical Achievements

CIBC Enterprise Solution (Symptai)

Role: Software Developer, Solutions Architect, UX Designer, Project Manager
Technologies: Database design, Figma, workflow modeling, project planning tools
Deliverables: Complete data architecture, UI/UX designs, technical documentation, project plan
Impact: Successfully delivered comprehensive solution design meeting client requirements and timelines

Financial Services Automation Platform (VMBS)

Technologies: Power Automate, VBA, Excel automation, email integration
Features: Automated report generation, scheduled workflows, data validation, error handling
Impact: Reduced manual reporting effort by 60%, improved data accuracy and consistency

Customer Analytics Applications (Digicel)

Technologies: Python, SQL, Power BI, VBA
Features: Data transformation pipelines, automated reporting, custom analytics tools
Impact: Gave commercial departments recurring analytics they use to make decisions

JavaScript Training Curriculum

Topics Covered: Variables, functions, objects, DOM manipulation, events, async programming, APIs
Approach: Hands-on coding exercises, real-world examples, project-based learning
Impact: Successfully mentored multiple students from beginner to intermediate skill levels

Additional Technical Experience

Data Infrastructure: Designed and implemented enterprise data solutions serving 6,500+ users globally
Analytics Development: Built custom analytical tools and dashboards using Power BI, Python, and SQL
Process Automation: Created workflow automation solutions reducing manual effort by 60-70%
Technical Leadership: Led technical discussions, code reviews, and solution architecture decisions
Client-Facing Work: Direct client interaction for requirements gathering, demos, and project updates

TECHNICAL SKILLS

Core Competencies

Full Stack Web Development
Database Design & Development
UI/UX Design & Prototyping
RESTful API Development
Software Architecture
Technical Documentation
Agile/Scrum Methodologies
Version Control (Git)
Project Planning & Estimation
Code Review & Quality Assurance
Technical Training & Mentorship
Problem Solving & Debugging

Tools & Technologies

Programming Languages: JavaScript (Advanced), Python, PHP, Java, C/C++, VBA

Frontend Development: HTML5, CSS3, JavaScript, jQuery, AngularJS, Node.js, Responsive Design

Backend Development: PHP, Laravel Framework, Node.js, RESTful APIs, Server-side Logic

Databases: Oracle SQL, MySQL, SQLite, Database Design, Query Optimization, ORM

Design & Prototyping: Figma, UI/UX Principles, Wireframing, User Flow Design, Mockups

Tools & Platforms: Git/GitHub, Power Automate, Visual Studio Code, Oracle Database, Linux/Unix

Methodologies: Agile/Scrum, Object-Oriented Programming, MVC Architecture, Test-Driven Development

Development Practices & Methodologies

Agile Development: Experience with sprint planning, daily standups, retrospectives, and iterative development
Code Quality: Writing clean, maintainable code following SOLID principles and design patterns
Version Control: Git workflow including branching strategies, pull requests, and code reviews
Testing: Unit testing, integration testing, and user acceptance testing practices
Documentation: Technical specifications, API documentation, code comments, and user guides
Collaboration: Cross-functional teamwork, client communication, and stakeholder management

Software Development Lifecycle Experience

Requirements Gathering: Conducting stakeholder interviews, documenting functional and non-functional requirements
Design & Architecture: Creating system architecture, database design, API contracts, and UI/UX mockups
Implementation: Writing clean, efficient code following best practices and coding standards
Testing & QA: Developing test cases, conducting testing, and managing bug tracking
Deployment: Managing release processes, deployment procedures, and production support
Maintenance: Bug fixes, performance optimization, and feature enhancements

Professional Attributes

Strong problem-solving abilities with analytical and logical thinking approach
Self-motivated learner staying current with emerging technologies and best practices
Excellent communication skills for technical and non-technical audiences
Proven ability to manage multiple responsibilities and meet project deadlines
Passionate about code quality, user experience, and delivering value to clients
Experience mentoring and teaching programming to developers at various skill levels

EDUCATION

Executive MBA in Business Analytics - Commencing 2026

Business Administration Studies - University of the West Indies (UWI)

Certificates & Coursework

Microsoft Power BI Data Analyst Associate Coursework

Master BI Data Storytelling - BI Brainz

SQL for Data Science - University of California, Davis / Coursera

Harvard/MIT edX Professional Program in Data Science

Modular Computer Studies - UTech SciT