Martial Lioner
@martiallioner
I’m a video editor and short-form content specialist who drives engagement through trend-aware, AI-assisted edits.
KenyaWhat I'm looking for
I’m a versatile video editor and content professional with hands-on experience cutting short-form video for TikTok and YouTube, paired with strong social media management and AI-powered content production. I’m comfortable gathering assets, syncing footage to voiceover, and keeping my work fresh by researching competitor content and trends.
In my freelance and self-employed work, I apply greenscreen/tracking effects, text animation, styled/colored subtitle captioning, and stock footage editing to match each platform’s style and pacing. I repurpose long-form podcast and webinar recordings into short, attention-grabbing clips optimized for social discovery, while keeping watch-through in mind through tighter visual-to-audio synchronization.
I also build scalable content systems: I’ve built and maintained content calendars for 10+ brands and combined AI-assisted workflows with efficient asset gathering to reduce overall content production time by 60%. Whether I’m delivering motion graphics for titles, transitions, and special effects or reporting on reach and engagement, my goal is consistent growth and quality that clients can rely on.
Experience
Work history, roles, and key accomplishments
AI Trainer & Data Annotator
Outlier AI / Scale AI
Mar 2023 - Present (3 years 4 months)
Evaluated and ranked AI-generated responses for accuracy, tone, and quality to support RLHF pipelines. Performed detailed content labeling/classification and collaborated remotely with QA teams to identify model weaknesses and provide structured feedback.
Video Editor & AI-Powered Content Creator
Self-Employed
Jun 2022 - Present (4 years 1 month)
Edited short-form TikTok and YouTube videos using greenscreen/tracking effects, text animation, stock footage, styled subtitles, and synced voiceovers/music. Repurposed long-form podcast/webinar content into social clips and used competitor/trend research plus AI tools to produce captions, scripts, and visuals at scale.
Fan Engagement & Chat Specialist
Freelance Digital Agency
Jan 2022 - Present (4 years 6 months)
Handled real-time subscriber communications across subscription-based platforms with consistently high response rates. Created personalized, on-brand messaging strategies, tracked subscriber behavior, and delivered weekly performance reports to inform engagement strategy.
Social Media Manager
BrandBoost Marketing Agency
Aug 2021 - Dec 2022 (1 year 4 months)
Managed and grew social media presence for multiple brand accounts, using short-form video as a core growth driver. Planned/scheduled posts, ran A/B tests on content formats, and reported monthly on reach, engagement rate, and follower growth.
Education
Degrees, certifications, and relevant coursework
University of the People
Bachelor of Science in Computer Science, Computer Science
Activities and societies: Relevant coursework: Data Structures & Algorithms, Artificial Intelligence, Database Management, Web Development, Programming Fundamentals.
Pursuing a Bachelor of Science in Computer Science at University of the People. Coursework includes data structures and algorithms, artificial intelligence, database management, web development, and programming fundamentals.
Tech stack
Software and tools used professionally
Availability
Location
KenyaAuthorized to work in
Job categories
Skills
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