Data Analyst | Business & Operations Intelligence
I transform complex business, manufacturing, and sales data into clear insights that drive confident decisions and optimize overall operations.
I’m Constance Tomessien, a Data Analyst based in Lagos, Nigeria. I work with founders and product teams to transform raw data into actionable insights that drive smarter decisions and measurable growth. My focus is on analytical problem-solving, building scalable data solutions, and translating complex datasets into clear, strategic insights that create real business impact.
3+
Years in Data Analytics & Business Intelligence
25+
Dashboards & Analytical Reports Delivered
Currently: Data Analyst at Sevenup Bottling Company
Open to Opportunities: Remote, On-site, and Contract roles in data analytics and business intelligence.
Location: Ikeja, Lagos · Fulltime
Selected work
Recent projects focused on strategic analysis, data storytelling, and delivering measurable
Growth, Sales & Strategic Analytics
Turning sales and financial data into clear insights that support smarter planning and revenue growth.
- Analyzed sales vs actual dispatch performance to highlight revenue variances
- Developed revenue trend reports and financial performance dashboards
- Built forecasting models to support business planning and scenario analysis
- Delivered executive-ready reports focused on strategic decision-making
Operational Intelligence & Performance Analytics
Driving operational efficiency through structured KPI tracking, variance analysis, and performance optimization.
- Analyzed manufacturing KPIs including downtime, hot issues, and corrective actions
- Tracked production vs business plan to identify performance gaps and root causes
- Monitored material yield to reduce losses and improve process efficiency
- Built dashboards for finished goods allocation and budget control
Retail Transaction Analytics
Interactive retail transaction dashboard designed to provide clear visibility into sales performance, profitability, and customer behavior.
- Centralized KPI dashboard tracking Revenue, Profit, Margin %, and AOV
- Sales trend analysis, regional performance insights, and top product identification
- Discount impact evaluation to uncover profit leakages and optimization opportunities
About me
Analyzing with clarity, curiosity, and a focus on measurable impact.
I use data to uncover insights that drive smarter decisions and sustainable growth. I enjoy translating complex datasets into clear findings backed by thoughtful analysis.
I like working with teams that value accuracy, strategy, and measurable impact. When I'm not analyzing data, I'm learning new tools and refining analytical solutions.
Toolbox
- Excel
- Data analysis & statistical modeling
- Power BI / Looker Studio
- Data cleaning(Power Query), transformation & ETL processes
- Dashboard development & performance reporting
Services
Flexible engagements from idea to impact.
Sales & Growth Analytics
Analyzing revenue trends, target performance, and customer segments to uncover opportunities that accelerate business growth.
Operational Performance Analytics
Monitoring KPIs, process efficiency, and variance metrics to optimize operations and improve overall performance.
Dashboard & Reporting Solutions
Designing dynamic, data-driven dashboards that transform complex datasets into clear, actionable executive insights.
Let’s Work With Your Data
I’m available for remote roles, contract opportunities, and freelance analytics projects. If you need clear dashboards, accurate reporting, or data-driven insights to support decision-making, let’s connect.
Get In Touch