Tk Alagbada

Highly accomplished Senior Full-Stack Engineer with over 7 years of experience in designing, developing, and decomposing monolithic applications into scalable microservices using TypeScript, Node.js, and AWS. Proven ability to manage large datasets, improve system reliability, and enhance performance, evidenced by an 80% reduction in MTTD/MTTR and a 30% increase in transaction processing. Eager to leverage expertise in CI/CD, distributed tracing, and robust architecture to contribute to Cognizant's innovative solutions.

Software Engineer - Keller Williams Realty International - Austin

(2019-11)

• Architected new designs to decompose the existing monolithic legacy application in PHP and MySQL into microservices utilizing Typescript, Node.js, and MongoDB.
• Managed over 90 million customer contact records using these microservices, implementing PubSub and GCF to establish queue mechanisms that prevent data loss during high traffic and system breakdowns.
• Developed a real-time lead-sharing notification system to facilitate lead distribution among over 180,000 agents within their teams.
• Engineered a subscriber worker for contact exports, capable of processing up to 12 requests per second and exporting over 300,000 contacts in PDF and CSV formats.
• Provided distributed tracing through Lightstep and Opentracing to monitor application performance and enhance visibility across DEV, QA, and PROD lifecycles.

Software Engineer - The Home Depot Technology - Austin

(2018-05 - 2019-11)

• Constructed a health dashboard for payment applications deployed on Pivotal Cloud Foundry.
• Developed a diagnostic tool to deconstruct the company’s complex credit authorization process, visualizing its components (application and infrastructure) and their interdependencies.
• Integrated monitoring functionality into the diagnostic tool to identify affected areas during outages, resulting in an 80% improvement in Mean Time to Detect (MTTD) and Mean Time to Repair (MTTR).
• Built an automated job to alert the network team upon changes in PayPal's DNS lookup, ensuring timely traffic flow authorization.
• Contributed to a 10% reduction in overall PayPal outage duration.
• Executed destructive testing on payment applications to inform strategic planning for high-volume sales events, such as Black Friday.

Full Stack Engineer - Guaranty Trust Bank - Lagos, Nigeria

(2015-02 - 2017-01)

• Engineered a hybrid mobile banking application using Ionic, achieving 500,000 installs and a 4.2/5.0 rating, to boost transactions for Nigeria's most profitable bank, which holds $8.7 billion in assets and operates in 10 countries, including the UK.
• Created an end-to-end encrypted RESTful API to serve data to the aforementioned mobile application.
• Developed a lead management application deployed internally for sales and marketing teams, facilitating primary lead origination and management, with over 5,000 installs and a 4.8/5.0 rating.
• Integrated third-party payment APIs with Interswitch, VISA, and Mastercard, processing over $1 million in daily transactions.
• Continuously refactored the enterprise's core business logic across multiple channels, leading to a 30% increase in the number of transactions processed.

Software Engineer - Techie Planet - Lagos, Nigeria

(2013-06 - 2014-11)

• Developed a training and testing application for the Clinton Health Access Initiative (NGO), utilized by over 3,000 medical professionals in rural African regions.
• Collaborated with the NGO's UX and Project Management teams in Boston, MA, to provide design critiques and manage project execution.

Master of Science - Computer Science - Texas State University

Bachelor of Science - Computer Science - University of Ibadan