Iseghohimen Miracle

Assisted instruction of core foundational topics by adapting explanations to support student understanding and engagement. Managed an Excel-based student database for quarterly intakes, ensuring accurate attendance and student progress records. Coordinated logistics and record-keeping across cohorts while maintaining a learning-focused and well-organized classroom environment.

Labeled and annotated large datasets to support training and optimization of machine learning models. Performed validation, cleaning, and edge-case checking to improve dataset integrity. Analyzed labeling patterns and documented annotation logic and data issues to support model refinement while meeting productivity and quality targets in a self-directed remote setup.

Worked with a team to deliver an end-to-end data project for an external client, covering ingestion through final presentation. Performed data cleaning and preparation, transforming raw technical datasets into analysis-ready formats using Excel Power Query. Built an interactive Excel dashboard with slicers and KPI views, and translated findings into clear recommendations presented to address client pain points.

Maintained and secured staff and company records using structured database practices while ensuring data confidentiality and accuracy. Produced reports and documentation using MS Excel and Word to support management decisions. Managed invoice records for tracking pending and submitted payments and coordinated between field managers and leadership through progress updates.

Delivered end-to-end data tasks including extraction, cleaning, and transformation using Excel Power Query and SQL. Built and managed relational schemas and data integrity structures in SQL Server Management Studio. Created interactive reporting dashboards in Power BI and Tableau and used SQL for multi-level filtering, grouping, and aggregation to support statistical analysis.

Collaborated with UI/UX designers and developers to build an application focused on unemployment, aligning user requirements with implementation. Developed responsive web interfaces including a school website and a professional portfolio using HTML5 and CSS3. Participated in front-end bug fixing and performance improvements for the company website within a cohort and completed training focused on responsive web design and accessibility.

Collaborated with UI/UX and development teams to build a web application supporting unemployment-related workflows based on user requirements. Implemented responsive front-end interfaces, including a school website and a personal portfolio, using HTML and CSS. Contributed to fixing front-end issues and improving website performance as part of a development cohort.