Data Analyst - Business Intelligence Professional

JOSEPH NSEABASI OKPOISO

Mobile: +234**********, E-mail:‘*************@*****.***’

Address: Urua Ekpa Road, Uyo, Akwa Ibom State, Nigeria. Linkedin: www.linkedin.com/in/joseph-okpoiso, Github: https://github.com/claptonsJ PROFILE SUMMARY

Analytical and dynamic data professional and business analyst with 5+ years of practical experience using data to inform strategic decisions, improve business processes, and complete digital transformation projects. demonstrated proficiency in systems analysis, data-driven strategy, and business intelligence. This includes a thorough understanding of business operations along with strong technical skills in Python, SQL, Power BI, and Excel. Proven ability to lead data analytics projects, deliver custom solutions, and maximize organizational performance using practical insights. With a proven track record of increasing operational efficiency, driving growth, and assisting leadership through well-informed decision-making, I am skilled at bridging the gap between technical execution and business needs. SKILLS HIGHLIGHT

• Programming Languages — Python, SQL

• Databases—SQL Server, PostgreSQL, BigQuery, MS Excel, Google sheets

• Data Visualization and Reporting—Looker, Power BI, Powerpoint

• APIs and vulnerability assessment testing — Postman, Burp Suite

• Version Control & Collaborations—Git, GitHub, Google Workspace, Slack

• Management Information Systems (MIS) reports

• Product analytics — Mixpanel

• Google analytics

• Systems analysis & process mapping/optimization

• Agile framework & Methodologies—Jira, Kanban, Trello

• Data Modeling and schema design

• Dashboards and KPI analysis

• Extract, Transform, and Load (ETL)

• Machine Learning and Artificial Intelligence (ML/AI)

• LLMs and Generative AI

• Business Requirements Documentation (BRD)

• Gap analysis

• Software Requirements Specifications (SRS) & Quality Assurance (QA)

• Organizational leadership

PROFESSIONAL EXPERIENCE

Business Analyst (Remote), April 2025 – April 2026 OpenFactor Technology Group, Hemel Hempstead, England, United Kingdom Responsibilities and Key Achievements

● Delivered enterprise-level solutions to MDAs and clients spanning logistic and freight, education, and finance sectors.

● Facilitated functional training and demo sessions for clients.

● Conducted gap analysis on SRS, FRDs and BRDs and documented in RFPs

● Collaborated with Quality Assurance teams to conduct unit and regression testing of software features hence combining FDD and TDD methodologies.

● Documented User Stories, Use cases, FRDs, BRDs, and SRS using technical terminologies for development teams.

● Tracked and led development teams through software defects and bugs detected during QA testing in order of priority while meeting strict deadlines for fixes.

● Developed and designed user journeys using tools like Figma.

● Utilized tools like Jira and Trello to manage projects, prioritize backlogs, and track Implementation progress.

● Utilized tools like Zoho CRM for customer support and issue tracking and utilized data for Incident reporting to stakeholders.

Data Analyst (Hybrid), November 2023 – January 2025 Everest Information and Solutions Centre, Nigeria

Responsibilities and Key Achievements

● Collected and warehoused company’s data from all sources for analytics and insights generation.

● Carried out market research and feasibility studies to identify business opportunities and risk.

● Analyzed financial data, market trends, and business performance metrics to drive data-driven decision-making.

● Provided actionable insights and recommendations that contributed to a 20% growth in the student base and a 15% surge in sales.

Data analyst (Remote), June 2021 – October, 2023

Labano Academy, Nigeria

Responsibilities and Key Achievements

● Gather data of all the students who signed up for training through online sources.

● Performed data wrangling and mining on students' data and assigned them to their respective courses.

● Analyzed the company's 3-year sales data and provided recommendations based on insights, resulting in a 10% increase in the student base and a 15% surge in sales.

● Connected all company student and sales data to a data warehouse for real-time analysis. Project Manager (Hybrid), June 2024 – March 2026

The Ambassadors Youth Leadership Collaborative Initiative, Nigeria Responsibilities and Key Achievements

● Conducted data wrangling techniques to understand and prepare MIS reports for the management.

● Planned, Managed, budgeted and controlled the organization’s inventory and finances.

● Led the team that developed the organization’s website and Database Management System.

● Developed several programs geared towards tech innovation, leadership, self-development, career and transformation with metrics to monitor and evaluate each program.

● Provided actionable insights and recommendations that contributed to expenses cut by 50% and mentees retention rate grew by 10%.

EDUCATION CERTIFICATIONS

University of Uyo, Akwa Ibom State, Nigeria — 2017 - 2022 Bachelors of Engineering (B.Eng) Computer Engineering Labano Academy, Lagos, Nigeria

Data Analysis Certification

CWW Tech Africa

Python Programming Certification

Advantage Excel, U.K

Data Science/Machine Learning Certification

Udemy

Business Analyst Career Blueprint: From Beginner to Hired

Udemy

Mastering MIS: Organizing Controlling Analyzing

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