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Yohannis Tefera

@yohannistefera

Data analyst at DecodeLabs who prepares and validates datasets, builds Power BI dashboards, and automates data workflows with Python.

Ethiopia

Message

What I'm looking for

I'm seeking a Data Scientist position at ALX Africa, where I can use my analytical and data management skills to support its mission of unlocking tech careers for young Africans and improve data visibility through reliable reporting.

At DecodeLabs, I clean, standardize, and validate datasets with Python and Pandas, using preprocessing checks to support reliable analysis and reporting. I also use SQL queries and Python scripts to streamline data retrieval.

I developed interactive Power BI dashboards and automated data preparation workflows. In Bahir Dar, I organize Salesforce community events and workshops, mentor aspiring professionals, and promote Trailhead learning and Salesforce certifications.

Experience

Work history, roles, and key accomplishments

Current

Data Analytics Intern

Current

DecodeLabs

Jul 2026 - Present (3 months)

Completed hands-on data analytics projects using Python and Pandas to clean, prepare, standardize, and validate datasets for analysis. Applied preprocessing checks, version control with Git/GitHub, and workflow documentation to support accurate analysis and repeatable reporting work.

Python Pandas Data Cleaning Data Preparation Data Standardization Data Validation Git GitHub VSCode SQL Data Analysis

Current

Volunteer Salesforce Trailblazer Community Group Leader

Current

Salesforce User Group

Feb 2026 - Present (8 months)

Lead Salesforce Trailblazer Community, Bahir Dar, Ethiopia. Organize events, workshops, and mentorship for skill development and innovation updates. Collaborate with leaders to boost learning and career growth, empowering future Trailblazers in Ethiopia.

Salesforce Community Management Event Organization Mentorship Knowledge Sharing Collaboration Data Analysis

Business Development & Operations Support

LocaeRise

Dec 2025 - Jan 2026 (1 month)

Streamlined business dev with lead tracking, CRM, and spreadsheet updates; coordinated follow-ups. Monitored metrics, ensured data accuracy, segmented by status, and organized reports to optimize funnel visibility and aid team decisions.

Lead Tracking CRM Spreadsheets Data Accuracy Data Segmentation Reporting A B Testing Data Analysis Email Management Scheduling

Salesforce Project Experience | Talent Accelerator Program

Africa Ohana

May 2025 - May 2025 (0 months)

Completed a Salesforce project translating business needs into workflows, system configs, and reports. Enhanced skills in analyzing processes, organizing data, and presenting insights to stakeholders.