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Hi, I'm Segun Alabi, a Senior Software Engineer with 10+ years of experience building and scaling React and Node.js apps across fintech, AI, and data-driven platforms. I design and implement TypeScript + GraphQL systems, integrate AI/LLM features, and deliver reliable products used by millions of users. I'm a hands-on leader who mentors engineers and shapes front-end-to-back-end architecture. I’m motivated by building practical, responsible AI and user-focused software that improves access, transparency, and real-world decision-making through clean design and robust data. I thrive in cross-functional teams, advocate accessible design (WCAG), and enjoy turning complex ideas into robust, scalable solutions.…Hi, I'm Segun Alabi, a Senior Software Engineer with 10+ years of experience building and scaling React and Node.js apps across fintech, AI, and data-driven platforms. I design and implement TypeScript + GraphQL systems, integrate AI/LLM features, and deliver reliable products used by millions of users. I'm a hands-on leader who mentors engineers and shapes front-end-to-back-end architecture. I’m motivated by building practical, responsible AI and user-focused software that improves access, transparency, and real-world decision-making through clean design and robust data. I thrive in cross-functional teams, advocate accessible design (WCAG), and enjoy turning complex ideas into robust, scalable solutions.

Segun Alabi

Full Stack Developer, Back-End Developer, Front-End Developer, +2

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Hi, I'm Segun Alabi, a Senior Software Engineer with 10+ years of experience building and scaling React and Node.js apps across fintech, AI, and data-driven platforms. I design and implement TypeScript + GraphQL systems, integrate AI/LLM features, and deliver reliable products used by millions of users. I'm a hands-on leader who mentors engineers and shapes front-end-to-back-end architecture. I’m motivated by building practical, responsible AI and user-focused software that improves access, transparency, and real-world decision-making through clean design and robust data. I thrive in cross-functional teams, advocate accessible design (WCAG), and enjoy turning complex ideas into robust, scalable solutions.…Hi, I'm Segun Alabi, a Senior Software Engineer with 10+ years of experience building and scaling React and Node.js apps across fintech, AI, and data-driven platforms. I design and implement TypeScript + GraphQL systems, integrate AI/LLM features, and deliver reliable products used by millions of users. I'm a hands-on leader who mentors engineers and shapes front-end-to-back-end architecture. I’m motivated by building practical, responsible AI and user-focused software that improves access, transparency, and real-world decision-making through clean design and robust data. I thrive in cross-functional teams, advocate accessible design (WCAG), and enjoy turning complex ideas into robust, scalable solutions.

Available to hire

Hi, I’m Segun Alabi, a Senior Software Engineer with 10+ years of experience building and scaling React and Node.js apps across fintech, AI, and data-driven platforms. I design and implement TypeScript + GraphQL systems, integrate AI/LLM features, and deliver reliable products used by millions of users. I’m a hands-on leader who mentors engineers and shapes front-end-to-back-end architecture.

I’m motivated by building practical, responsible AI and user-focused software that improves access, transparency, and real-world decision-making through clean design and robust data. I thrive in cross-functional teams, advocate accessible design (WCAG), and enjoy turning complex ideas into robust, scalable solutions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Work Experience

Senior Software Engineer at Uber

September 1, 2022 - Present

Built and scaled React and TypeScript internal tools and Node.js/NestJS backend services for Uber's Payments, Marketplace, and Geospatial platforms. Designed GraphQL API endpoints exposing trip, pricing, and payment data used across Uber Rides and Uber Eats. Implemented event-driven services with Kafka for real-time trip lifecycle and financial events. Integrated AI/ML outputs (fraud signals, demand insights, geospatial predictions) into backend APIs and analytics dashboards. Championed accessibility (WCAG) and performance improvements for global internal tools. Owned deployment readiness and on-call support for revenue-critical services. Collaborated with AWS, Docker, Kubernetes, Terraform, and CI/CD pipelines to support reliable production releases. Mentored engineers on TypeScript, system design, and end-to-end full-stack ownership.

Senior Full Stack Engineer at Scribble

March 1, 2019 - June 1, 2022

Co-founded and led development of Scribble's documentation automation platform using React, Node.js, and TypeScript. Built backend services that convert recorded user actions into structured, shareable guides. Designed REST and GraphQL APIs consumed by the Read editor and team workspaces. Set engineering standards, mentored developers, and worked directly with early customers.

Backend Developer at Cognizant

June 1, 2015 - February 1, 2019

Worked as a React and Node.js intern on enterprise client projects within Cognizant's Digital Engineering teams. Built Node.js / TypeScript backend services and REST APIs for client applications. Helped develop React components and connect frontend views to backend services. Supported basic event-based processing and data ingestion pipelines used for reporting systems. Assisted with AWS deployments (S3, EC2) and shared CI/CD pipelines. Gained early exposure to AI/ML integrations by wiring model outputs into backend APIs. Learned enterprise delivery practices through code reviews, sprint planning, and production releases.