Available to hire
Hi, I’m Ejiroghene Oghojafor, a Senior Software Engineer with a passion for building scalable and high-performance systems. I’ve had the opportunity to lead engineering teams and develop impactful solutions across various industries, from e-commerce to fintech and AdTech. I enjoy mentoring junior engineers and working on innovative projects that drive customer engagement and operational efficiency.
With extensive experience in crafting scalable architectures, developing APIs, and leading startups, I thrive in dynamic environments where problem-solving and collaboration are key. I’m always eager to learn, grow, and contribute to building products that make a real difference.
Skills
Experience Level
Language
English
Fluent
Work Experience
Senior Software Engineer at Depop
September 1, 2022 - June 24, 2024Redesigned the product catalog system, scaling it from 1 million to over 12 million products while processing over 25 million product updates seamlessly. Led the implementation of event pass back for Google Analytics 4 using Google Tag Manager and Firebase on web and mobile. Built a scalable product data processing pipeline using Databricks and Spark for server-side event tracking with Hightouch. Mentored associate engineers on best practices and solving complex platform challenges.
Co-Founder And CTO at Simplexi Engage
January 1, 2024 - June 24, 2024Co-founded Simplexi Engage, a stealth startup revolutionizing customer engagement platforms in Africa. Oversaw the vision, strategy, and execution for the company. Designed and implemented end-to-end frontend and backend systems to ensure scalability and robustness. Played a key role in recruiting, mentoring, and coaching engineers to build a world-class engineering team.
Lead Software Engineer at Africa's Talking
January 1, 2022 - September 1, 2024Designed and led development of a new scalable architecture for the voice API, supporting 10x the previous capacity while reducing maintenance costs. Increased client engagement by approximately 20% through innovative voice API solutions.
Senior Software Engineer at Africa's Talking
November 1, 2019 - January 1, 2022Developed a chatbot for Dashen Bank's Amole service enabling transactions within the chatbot. Designed and implemented WebRTC APIs for browser-based calls. Integrated voice API with external platforms like Zendesk for seamless call handling. Built a scalable SIP trunk API to facilitate developer connectivity with voice API. Delivered a debt collection platform automating calls with payment options.
Senior Software Engineer at Eskimi
April 1, 2021 - May 1, 2022Built a Customer Data Platform using Spark, categorizing data analytics. Developed Spark jobs to aggregate stats for ad campaigns processing billions of records efficiently.
Software Engineer at Africa's Talking
November 1, 2017 - November 1, 2019Designed and implemented voice APIs used across Africa by developers.
Co-Founder And CTO at Reactive Js
January 1, 2020 - December 31, 2023Provided IT solutions developing enterprise platforms. Enhanced Lagos State's issue response system impacting over 10,000 survivor cases annually.
Senior Software Engineer at Depop
September 1, 2022 - June 15, 2024Redesigned the product catalog system at Depop, scaling it from 1 million to over 12 million products while seamlessly processing 25 million+ product updates. Led the implementation of event pass back for Google Analytics 4 (GA4) using Google Tag Manager and Firebase for web and mobile platforms. Built a scalable product data processing pipeline using Databricks and Spark to power server-side event tracking via Hightouch. Mentored associate engineers on best practices and solving complex platform challenges.
Co-Founder And CTO at Simplexi Engage
January 1, 2024 - June 15, 2024Co-founded Simplexi Engage, a stealth startup revolutionizing customer engagement platforms in Africa. Oversaw the vision, strategy, and execution for the company. Designed and implemented end-to-end frontend and backend systems, ensuring a scalable and robust foundation for the platform. Played a key role in recruiting, mentoring, and coaching engineers to build a world-class engineering team for the platform.
Lead Software Engineer at Africa's Talking
January 1, 2022 - September 1, 2024Designed and led the development of a new scalable architecture for the voice API, handling 10x the platform's previous capacity while reducing maintenance costs. Increased client engagement by 20% by spearheading the development of innovative voice API solutions.
Senior Software Engineer at Africa's Talking
November 1, 2019 - January 1, 2022Developed a chatbot for Dashen Bank’s Amole, enabling users to send money, make payments, and buy tickets within the chatbot. Designed and implemented WebRTC APIs to enable browser-based calls for developers. Integrated the voice API with external platforms like Zendesk, allowing seamless call handling directly from third-party platforms. Built a scalable SIP trunk API to facilitate developer connectivity with the voice API. Delivered a debt collection platform automating calls to debtors with payment options.
Senior Software Engineer at Eskimi
April 1, 2021 - May 1, 2022Built a customer data platform (CDP) using Spark, creating a taxonomy of data analytics. Developed Spark jobs to aggregate metrics for ad campaigns, processing billions of records efficiently.
Software Engineer at Africa's Talking
November 1, 2017 - November 1, 2019Designed and implemented the voice APIs used by developers across Africa.
Co-Founder And CTO at Reactive Js
January 1, 2020 - December 31, 2023Enhanced Lagos State's issue response by implementing a system impacting over 10,000 survivor cases annually.
Education
Master of Business Administration at Augment Business School
June 1, 2024 - October 31, 2024Bachelor's degree at University of Lagos
January 1, 2012 - December 31, 2017Master of Business Administration at Augment Business School
June 1, 2024 - October 31, 2024Bachelor's degree at University of Lagos
January 1, 2012 - December 31, 2017Qualifications
Machine Learning
January 1, 2023 - December 31, 2023Machine Learning Engineer
January 11, 2030 - June 14, 2025Machine Learning
January 11, 2030 - June 14, 2025Machine Learning Engineer
January 11, 2030 - June 14, 2025Industry Experience
Software & Internet, Telecommunications, Financial Services, Government, Retail, Media & Entertainment
Skills
Experience Level
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