Jovannah N. Walker

Business Analyst | Strategy & Operations Consultant | Process Improvement Specialist

Projects

IT Infrastructure Upgrade and Modernization 

Collaborated with the team to conduct feasibility studies, develop a project plan with scalability considerations, manage vendor relationships, and implement phased infrastructure upgrades.

Key Responsibilities:

  • Conducted feasibility studies to assess current infrastructure and identify upgrade needs for future growth.
  • Developed a detailed project plan to ensure infrastructure could accommodate increasing demands.
  • Managed vendor relationships to secure resources and ensure timely delivery of upgrades.
  • Implemented infrastructure upgrades in phases to minimize disruptions.

Technologies Used:
AWS, Terraform, Ansible, Azure, VMware

Outcome:
Accommodated business growth seamlessly, improved system reliability by 40%, and supported a 50% increase in user base without performance degradation.


Automated CI/CD Pipeline Implementation

Assisted the team in implementing a fully automated Continuous Integration/Continuous Deployment (CI/CD) pipeline for a startup web application to streamline development, reduce manual errors, and ensure reliable deployments.

Key Responsibilities:

  • Configured Jenkins to automate build, test, and deployment processes.
  • Integrated GitHub for version control and collaborative coding.
  • Implemented Docker for application containerization across development, testing, and production environments.
  • Configured Kubernetes for container orchestration, ensuring scalability and high availability.
  • Automated testing using Selenium and JUnit to maintain code quality.
  • Deployed Prometheus and Grafana for application performance monitoring.

Technologies Used:
Docker, Kubernetes, Jenkins, GitHub, Grafana

Outcome:
Reduced deployment time and errors, improved overall efficiency and reliability, and accelerated feature delivery.


Banking Transaction Monitoring System

Assisted in developing a SQL-based transaction monitoring system for a bank to detect and prevent fraudulent transactions.

Key Responsibilities:

  • Designed database schema to store transaction data, account details, and fraud alerts.
  • Developed SQL queries to flag suspicious transactions based on predefined criteria.
  • Implemented triggers to automatically escalate potential fraud cases.
  • Created reports to track fraud incidents and analyze patterns over time.
  • Collaborated with the fraud detection team to refine monitoring criteria.

Technologies Used:
SQL Server, Triggers, Fraud Detection Algorithms, Data Analysis

Outcome:
Enhanced the bank’s ability to detect and prevent fraud, reducing financial losses and improving security.


Complex IT System Implementation

Employed agile methodologies to implement a complex IT system, ensuring smooth integration across departments with continuous stakeholder communication and training.

Key Responsibilities:

  • Gathered and analyzed business requirements to ensure system met organizational needs.
  • Developed a phased project plan for implementation.
  • Integrated business processes across departments for seamless workflow.
  • Ensured data flow accuracy between systems.
  • Provided end-user training and ongoing support.

Technologies Used:
Splunk, SAP, Oracle Database, Mulesoft, Jira, Microsoft BI

Outcome:
Improved operational efficiency, streamlined business processes, reduced manual errors, and provided real-time insights for better decision-making.


Customer Relationship Management (CRM) Database Design

Assisted with designing and implementing a SQL database for a CRM system to streamline customer data management and interactions.

Key Responsibilities:

  • Designed database schema for customer data, interactions, and sales information.
  • Created SQL queries for reporting on customer activity and sales performance.
  • Optimized database performance through indexing and normalization.
  • Developed stored procedures to automate routine tasks.
  • Ensured data integrity with constraints and triggers.

Technologies Used:
MySQL, SQL Server, ERD, Stored Procedures, Indexing

Outcome:
Improved organization of customer data, enabling better tracking of interactions and sales performance with actionable insights.


E-Commerce Data Analysis

Conducted a comprehensive SQL-based analysis of an e-commerce platform’s database to identify trends in customer behavior and optimize marketing strategies.

Key Responsibilities:

  • Extracted and analyzed customer purchase data using SQL queries.
  • Created views and aggregate functions to summarize sales by product, category, and region.
  • Identified key sales trends and customer preferences through data segmentation.
  • Collaborated with marketing to develop targeted campaigns.
  • Automated data extraction for regular reporting.

Technologies Used:
PostgreSQL, SQL Views, Aggregate Functions, Data Segmentation

Outcome:
Delivered actionable insights that drove targeted marketing campaigns, increasing sales and customer retention.


Financial Reporting System

Assisted in building a SQL-based financial reporting system to streamline corporate finance reporting.

Key Responsibilities:

  • Designed database schema for financial transactions, accounts, and budgets.
  • Created SQL queries for generating income statements and balance sheets.
  • Developed stored procedures for automated monthly and quarterly reports.
  • Implemented role-based access control and data encryption.
  • Optimized queries for large datasets.

Technologies Used:
SQL Server, Stored Procedures, Role-Based Access Control, Data Encryption

Outcome:
Reduced reporting time, improved data accuracy, and enhanced decision-making capabilities.


Healthcare Patient Management System

Worked with the team to develop a SQL-based patient management system to improve healthcare delivery and patient data management.

Key Responsibilities:

  • Designed database schema for patient records, appointments, and treatment plans.
  • Developed SQL queries to track patient visits, diagnoses, and treatments.
  • Created reports to analyze patient outcomes and optimize treatment plans.
  • Implemented data security measures including encryption and audit trails.
  • Collaborated with healthcare staff to ensure system usability.

Technologies Used:
MySQL, SQL Server, Data Encryption, Audit Trails

Outcome:
Improved patient data organization and accessibility, enhancing healthcare delivery and patient outcomes.


Inventory Management System

Developed a SQL-based inventory management system to improve inventory tracking for a retail store.

Key Responsibilities:

  • Designed database schema for inventory levels, suppliers, and orders.
  • Developed SQL queries to monitor stock levels and generate reorder alerts.
  • Implemented triggers to update inventory counts automatically.
  • Integrated database with web interface for real-time management.
  • Optimized queries for faster retrieval.

Technologies Used:
MySQL, Triggers, Stored Procedures, Web Interface Integration

Outcome:
Improved inventory accuracy, reduced stock discrepancies, and ensured timely reorders.


Process Optimization for Cost Reduction

Conducted detailed business analysis to identify inefficiencies in procurement and inventory management and implemented optimization strategies.

Key Responsibilities:

  • Analyzed current processes to identify inefficiencies.
  • Developed a strategic plan to optimize workflows for cost reduction.
  • Introduced automation and new workflows to eliminate redundancies.
  • Monitored optimized processes to ensure targets were met.

Technologies Used:
Lean Six Sigma, Smartsheet, Excel, Tableau, Power Automate

Outcome:
Achieved a 30% reduction in operational costs, increased efficiency, reduced manual errors, and improved overall productivity.


Retail Sales Analysis Dashboard

Developed a SQL-based dashboard to provide real-time sales insights for a retail chain.

Key Responsibilities:

  • Extracted and transformed sales data from multiple sources.
  • Developed SQL queries to generate real-time reports and KPIs.
  • Created a BI dashboard to visualize trends and performance.
  • Implemented data cleaning for accuracy.
  • Collaborated with stakeholders on key metrics.

Technologies Used:
SQL Server, ETL, BI Tools (Tableau, Power BI), Data Cleaning

Outcome:
Enabled data-driven decisions, improved profitability, and provided real-time sales visibility.


Social Media Analytics

Implemented a SQL-based analytics platform to track and analyze social media activity, measuring engagement and optimizing content strategy.

Key Responsibilities:

  • Designed database schema to store posts, likes, comments, and shares.
  • Developed SQL queries to analyze engagement metrics.
  • Created reports to identify high-performing content and optimize posting schedules.
  • Automated data collection via social media APIs.
  • Validated data for accuracy and consistency.

Technologies Used:
PostgreSQL, Social Media APIs, Data Validation, Automated Data Collection

Outcome:
Provided actionable insights into social media performance, improved content strategy, and increased engagement.

Driving Business Transformation Through Data, Strategy, and Innovation

I help organizations bridge the gap between business needs and technical solutions through business analysis, project management, process improvement, and AI-driven innovation. My focus is delivering measurable results that improve efficiency, reduce risk, and support organizational growth.