I'm Onyinyechi Josephine Obidike, a results-driven freelance professional specializing in executive assistance, content creation, translation, and AI data annotation. I excel at managing complex calendars, coordinating travel, and delivering polished work under tight deadlines, all while bridging cultural gaps through accurate translation and localization. I’m passionate about helping clients achieve exceptional outcomes through careful attention to detail and proactive communication. I thrive working independently and collaboratively, consistently providing value-driven results across freelance projects in Lagos and beyond. My experience spans executive support, written content, social media management, and data annotation for AI training, enabling me to deliver clear, engaging content and reliable, high-quality datasets for models.

Onyinyechi Josephine Obidike

I'm Onyinyechi Josephine Obidike, a results-driven freelance professional specializing in executive assistance, content creation, translation, and AI data annotation. I excel at managing complex calendars, coordinating travel, and delivering polished work under tight deadlines, all while bridging cultural gaps through accurate translation and localization. I’m passionate about helping clients achieve exceptional outcomes through careful attention to detail and proactive communication. I thrive working independently and collaboratively, consistently providing value-driven results across freelance projects in Lagos and beyond. My experience spans executive support, written content, social media management, and data annotation for AI training, enabling me to deliver clear, engaging content and reliable, high-quality datasets for models.

Available to hire

I’m Onyinyechi Josephine Obidike, a results-driven freelance professional specializing in executive assistance, content creation, translation, and AI data annotation. I excel at managing complex calendars, coordinating travel, and delivering polished work under tight deadlines, all while bridging cultural gaps through accurate translation and localization. I’m passionate about helping clients achieve exceptional outcomes through careful attention to detail and proactive communication.

I thrive working independently and collaboratively, consistently providing value-driven results across freelance projects in Lagos and beyond. My experience spans executive support, written content, social media management, and data annotation for AI training, enabling me to deliver clear, engaging content and reliable, high-quality datasets for models.

See more

Language

English
Fluent
Japanese
Fluent
Spanish; Castilian
Fluent
Ukrainian
Fluent
French
Fluent
Gujarati
Beginner
Finnish
Fluent

Work Experience

Brand Ambassador at Cowrywise
January 1, 2026 - Present
Represent the Cowrywise brand across social platforms, drive user acquisition via referral campaigns, and educate peers on savings and investing strategies.
Administrative & Inventory Officer (NYSC) at Naval Headquarters, Abuja
August 1, 2023 - August 1, 2024
Managed inventory control with 99% accuracy; resolved stock discrepancies; coordinated cross-functional teams to improve supply chain efficiency.
Social Media Manager at Self-Employed
September 1, 2021 - Present
Direct end-to-end social media operations across LinkedIn, Facebook, Instagram, and X for multiple clients; grew follower base through data-driven planning; deliver weekly analytics and on-brand content.
Finance Analyst Intern at Dickson Auditing House
June 1, 2021 - August 1, 2021
Supported financial audits and in-depth analysis of financial statements; applied Excel for data organization and reporting; earned commendation from the General Auditor for performance.
Freelance Financial Writer & Transcriber at Self-Employed
March 1, 2020 - Present
Craft finance articles, investment guides, and blog posts; deliver fast, accurate transcriptions; conduct market research; collaborate with design teams to elevate content presentation.
AI Data Annotation & Evaluation Specialist at Self-Employed
January 1, 2020 - Present
Evaluate translation quality across multiple language pairs, applying structured feature, scenario, and entity tagging frameworks to support AI model training. Complete transliteration and language identification tasks across diverse languages. Maintain rigorous quality standards while annotating and reviewing large data volumes within tight timelines. Partner with AI training platforms (Appen/CrowdGen, Mercor) to deliver high-quality annotation and evaluation.

Education

B.Sc. Public Administration & Local Government at University of Nigeria, Nsukka
January 1, 2017 - January 1, 2022
Google Data Analytics Certificate at Coursera
January 1, 2024 - January 1, 2024
Mindluster: HR Management, Data Entry, Financial Accounting at Mindluster
January 11, 2030 - June 24, 2026
Corporate Finance at Simplilearn
January 11, 2030 - June 24, 2026
Project Management at Simplilearn
January 11, 2030 - June 24, 2026

Qualifications

Associate Chartered Accountant (ICAN)
January 11, 2030 - June 24, 2026

Industry Experience

Professional Services, Media & Entertainment, Education, Financial Services, Software & Internet