Open to opportunities

Evans Lolchoki

@evanslolchoki

Geoinformation technologist, data annotator, swahili linguistic and full‑stack developer delivering web GIS, mapping, and data visualization.

Kenya

Message

What I'm looking for

I seek roles combining geospatial technology and full‑stack development, where I can build web GIS solutions, visualize spatial data, and grow professionally in collaborative, impact‑driven teams.

A results-driven GIS Practitioner, Software & Web Developer, and Data Annotation Specialist with a strong foundation in geospatial technologies, full-stack web development, and data-driven innovation. Skilled in developing responsive websites, GIS web applications, and interactive dashboards that enhance decision-making efficiency by over 25%.

Successfully delivered 10+ web and software projects, including the DowntownCybertech website, increasing client engagement and online visibility by 60%. Experienced in GIS analysis, remote sensing, and data visualization, contributing to mapping projects covering over 120 km² of flood-prone areas and improving spatial data accuracy by 15%.

Proficient in Python, JavaScript, flask, PostgreSQL, ArcGIS, and QGIS, with a proven record of integrating geospatial intelligence and technology to deliver user-centered solutions. Consistently achieving above 90% client satisfaction across all engagements.
I am a professional Data Annotator trained through Ajira Kenya and CloudFactory. I contributed to the Ones to Scout Project between July and September 2024, where I annotated and validated over 100,000 images and video frames for AI and machine learning models, achieving a 98% accuracy rate

Key Achievements

Developed and deployed over 10 responsive websites and web applications, enhancing digital presence and efficiency for clients across various sectors.
Built and optimized the DowntownCybertech website, boosting online engagement and visibility by 60% through SEO integration and interactive design.
Created interactive GIS dashboards that improved data interpretation speed by 25% and supported evidence-based decision-making for field projects.
Delivered GIS training to 15+ interns and attachés, strengthening departmental capacity in spatial data management and analysis.
Annotated 100,000+ images and videos for AI model development, achieving a 98% labeling accuracy rate and contributing to machine learning advancements.

Experience

Work history, roles, and key accomplishments

Current

Data Annotator

Current

CloudFactory

Aug 2025 - Present (3 months)

Annotated and labeled over 100,000 images and videos for AI model training with 98% accuracy.

Collaborated with a team of 30+ remote annotators, consistently meeting tight deadlines and quality targets.

Annotating Labeling

Current

Freelance GIS Developer

Current

Freelance

Deliver GIS services and full‑stack web applications to clients on platforms like Upwork and Fiverr, building interactive dashboards and web maps that support spatial decision‑making.

QGIS ArcGIS Flask PostgreSQL JavaScript Spatial Analysis Data Visualization

GIS Intern

Directorate of Resource Survey and Remote Sensing

Jan 2023 - Jan 2024 (1 year)

Delivered GIS and Remote Sensing training to 15+ interns, providing guidance in spatial data handling and map production.
Contributed to the development of the DRSRS Geoportal, uploading 50+ map layers and improving data accessibility.
Assisted in wildlife census data cleaning and processing, improving reporting accuracy by 15%.

Geoportal Development Spatial Analysis QGIS ArcGIS SQL Technical Reporting Data Management

Polling Clerk

Independent Electoral and Boundaries Commission

Aug 2022 - Aug 2022 (0 months)

Managed voter verification, election logistics, and vote counting during the 2022 General Election to ensure accurate and transparent polling operations.

Election Operations Voter Verification Logistics Record keeping Attention To Detail Communication & Compliance

GIS Contractor

Kenya Power and Lighting Company

Mar 2022 - Apr 2022 (1 month)

Collected GPS data for customer meters and updated spatial databases using QField, verified metering anomalies, and produced technical logs for customer profiles.
Digitized and mapped over 500 utility features including transformers, poles, and power lines using ArcGIS and QGIS.

Validated geospatial datasets to improve network accuracy and reduce mapping errors by 20%.

GPS Data Logging ArcGIS Report Writing

School Assessment Officer

Ministry of Education

Oct 2021 - Dec 2021 (2 months)

Collected GPS and questionnaire data from schools, evaluated infrastructure standards across counties, and liaised with school administrators to report assessment findings.

Field Data Collection GPS Surveying Report Writing Data Entry Assessments

Survey Intern

Lands Office Narok

Feb 2021 - Mar 2021 (1 month)

Supported survey operations including land subdivision mapping and court‑related survey tasks, gaining experience in GPS equipment use and RIM updates.

Surveying GPS RIM Updates Mapping

Education

Degrees, certifications, and relevant coursework

Technical University of Kenya

Bachelor of Technology, Geoinformation Technology

2016 - 2022

Grade: Second Class Honors

Activities and societies: Final Year Project: Mapping of Public Primary Schools from Homesteads in Narok; Christian Union Member

Completed a Bachelor of Technology in Geoinformation Technology with Second Class Honors; final project involved mapping public primary schools from homesteads in Narok.