Dosubi Joshua Padjo

Dosubi Joshua Full-Stack Software Engineer | Data Scientist Lagos, Nigeria | (- |-|-| https://www.linkedin.com/in/dosubi-p-joshua/ | https://github.com/elpadjo | https://www.dosubijoshua.com Dynamic and results-driven software engineer with 10+ years of experience in JavaScript, .NET, MERN stack, R, and Python. Adept at leading teams, optimizing system performance, and driving innovation in web applications, financial technology solutions, and data science. Passionate about leveraging cutting-edge technologies to develop scalable solutions that improve efficiency, user experience, and business outcomes. Proven expertise in cloudbased development, agile methodologies, and full-cycle software engineering. Experience APRIL 2024 – JANUARY 2025 Founder, CEO/CTO | Tracehut Innovations | Lagos, Nigeria • Built a C# .NET Core REST API, cutting response time by 40%. Optimized MySQL & EF queries and deployed Docker, boosting efficiency and scalability by 50%. • Led Tracehut XP (Flutter, iOS & Android), increasing sign-ups by 60%. Built a ReactJS/NextJS dashboard, improving page load time by 35%. • Used SCRUM (Jira) to improve efficiency by 25%. Set up Git workflows (Bitbucket), reducing merge conflicts by 40%. Graduated Founder Institute, driving 60% user growth. AUGUST 2021 – MARCH 2024 Senior Backend Developer | Flutterwave | Lagos, Nigeria • Built a C# .NET Core REST API, handling 10,000+ requests per minute. Optimized a USSD platform, reducing latency from 2s to under 300ms, improving responsiveness. • Developed an Android ticket validation app, processing 50,000+ scans monthly. Used Docker to streamline deployments, cutting time by 50% and costs by 30%. • Selected among 20 engineers (out of 600) to fly from Nigeria to India for Capgemini’s Flutterwave v3 project, enhancing transaction speed by 30%. AUGUST 2021 – FEBRUARY 2023 Director of Engineering | Coresight Research | New York, USA (Remote) • Led a 14-member team, delivering 5+ data-driven web apps with Azure, NodeJS, ReactJS, and Python/Django, improving operational efficiency by 40%. • Automated cron jobs with Azure Logic Apps, eliminating manual tasks by 100%. Built a Python-based data scraper, increasing data processing efficiency by 70% and handling 500,000+ records monthly. • Revamped a WordPress homepage, boosting traffic by 50% in 3 months. Created a store tracker for 10,000+ locations, reducing reporting time by 60% with Tableau insights. APRIL 2020 – JULY 2021 Director of Engineering | Centricity AI | New York, USA (Remote) • Built a Chrome extension using NodeJS & ReactJS, driving a 60% adoption increase in 6 months and improving user engagement. • Automated Bitbucket pipeline for AWS S3, cutting deployment time by 50%. Optimized a Django serverless backend with PostgreSQL, enhancing API response time by 45%. • Automated annotation-to-CSV processing with AWS Lambda, saving 10+ hours weekly, streamlining workflows, and reducing manual effort. MARCH 2020 – JULY 2021 Full-Stack Developer | Maxfront | Lagos, Nigeria • Visualized ‘cardio fitness data’ using R & R Markdown, driving a 30% improvement in fitness recommendations. • Engineered a ‘cold storage’ analytics model, cutting storage losses by 20%. • Assembled an online education management app in C# .NET Core, serving 700+ active users monthly.. APRIL 2018 – JANUARY 2020 Full-Stack Developer | Afritickets | Lagos, Nigeria • Wrote a REST API with NodeJS and VueJS, handling 500,000+ ticket transactions annually. • Configured Digital Ocean Droplet, reducing downtime by 40%. • Integrated Paystack, Rave, and Interswitch payment gateways, ensuring a 99.9% transaction success rate. • Launched 2 Android apps, increasing user engagement by 60%. APRIL 2017 – APRIL 2018 Full-Stack Developer | Yandi | Lagos, Nigeria • Set-Up a PHP-based e-commerce platform, processing 5,000+ transactions monthly. • Put together a WordPress e-commerce site, increasing sales by 45% in 6 months. • Constructed an AI-driven chat bot, reducing customer response time by 50%. SEPTEMBER 2015 – FEBRUARY 2017 Full-Stack Developer | Ultrabrains (UBIIT) | Osun, Nigeria • Trained 300+ professionals in Java, MATLAB, HTML, CSS, MySQL, and computer networking. • Put-Up a PHP-based school portal, automating registrations and reducing manual workload by 70%. Skills Skilled in C#, .NET Core, NodeJS, ReactJS, NextJS, VueJS, Python, Django, PHP, Flutter, and JavaScript/TypeScript. Experienced with MySQL, PostgreSQL, NoSQL, AWS DynamoDB, and cloud platforms like AWS, Azure, and Digital Ocean. Proficient in Docker, DevOps, data analytics (R, Tableau, Looker), machine learning, and AI. Strong in SCRUM, Jira, Git (GitHub, Bitbucket, GitLab), and project management. Adept in UI/UX design (Figma, Canva, WordPress, Elementor) with excellent leadership, problem-solving, and strategic thinking skills. Education JULY 2015 Bachelor of Science Computer Science & Mathematics | Obafemi Awolowo University | Osun, Nigeria Certifications OCTOBER 2022 AWS Certified Cloud Practitioner (CLF) | Amazon Web Services | AWS Hobbies / Passions Reading Books, Anime, Research, AI & Machine Learning Innovations, Artwork