Ola 'Jiboye
Summary
Full-Stack Engineer with 8+ years of experience delivering high-impact projects at AWS and Delivery Hero. Skilled in React, TypeScript, and Node.js with deep expertise in performance optimization, telemetry, and A/B testing. Proven track record of building large-scale Micro Frontends and distributed systems, driving efficiency and cross-team collaboration.
Tech Stack: React (Next.js), TypeScript, Node.js, Go, REST/GraphQL, AWS, GCP, Hasura
Overview
9
9
years of professional experience
Work History
Frontend Engineer
Amazon Web Services
01.2023 - 09.2025
- Led a cross-functional team of 3 engineers to deliver real-time monitoring dashboards, giving customers clear, actionable visibility into system health.
- Designed and launched an interactive chat-like prototyping interface that accelerated model experimentation and contributed to a 30% uplift in platform revenue.
- Implemented telemetry and A/B testing pipelines, turning engagement data into product insights and driving roadmap decisions with PM, UX, and design teams.
- Improved on-call workflows by introducing frontend operational playbooks and best practices, reducing incident response times and easing engineer workload.
- Mentored junior engineers through code reviews, design sessions, and workshops, raising the bar for code quality and frontend craftsmanship.
- Drove adoption of a Micro Frontend architecture across 3 teams, enabling modular feature delivery and reducing cross-product dependencies.
Senior Frontend Engineer
DeliveryHero
05.2021 - 12.2022
- Founded and led the Order Completion Frontend team, building experiences for order tracking, courier communications, refunds, and discount vouchers.
- Scaled and mentored a team of 2 frontend engineers to deliver a new order tracking system, migrating from PHP/Symfony to a React + Redux Micro Frontend architecture.
- Partnered with cross-functional teams (PM, design, backend) to analyze requirements and deliver scalable solutions for evolving product needs.
- Owned A/B testing and engagement analytics, surfacing insights to product leadership and driving improvements in customer experience.
- Built a CI/CD pipeline with GitHub Actions and AWS CloudFormation, cutting deployment time from hours to minutes.
- Collaborated with client engineering teams to co-develop features, provide technical guidance, and influence product design.
- Migrated a legacy cart calculation module from a PHP monolith to a high-performance Golang microservice, improving reliability and scalability.
Senior Full Stack Developer
Societe Generale
05.2020 - 05.2021
- Contributed to Terraform configurations and GitHub workflows to automate deployment across multiple virtual machines.
- Boosted application performance by 75%+ through bundle size reduction, lazy loading, optimized data structures, and rendering cycle improvements.
- Introduced and enforced E2E testing, raising quality standards and expanding unit test coverage across all projects.
- Delivered technical workshops on testing strategies and advanced JavaScript/TypeScript patterns, strengthening team expertise.
- Mentored interns and junior developers by writing technical specs, providing code reviews, and guiding implementation of new features.
Software Engineer
Platinion
10.2019 - 05.2020
- Reviewed and debugged code to resolve critical issues, ensuring stable and seamless software functionality.
- Developed responsive, user-focused web applications aligned with business requirements, driving higher customer engagement.
- Optimized performance and integrated new features, improving efficiency and product scalability.
- Collaborated directly with customers to gather feedback, address concerns, and refine solutions throughout the development cycle.
- Translated concepts into actionable project plans, ensuring timely delivery and successful execution.
- Led regular client meetings to validate progress, incorporate feedback, and maintain alignment with evolving business goals.
FullStack Developer
CodeAfrique
01.2017 - 09.2019
- Led development of scalable web applications, reducing load time by 30% and improving experience for 10K+ users.
- Designed and deployed microservices architecture, increasing scalability, maintainability, and supporting future growth.
- Performed in-depth code reviews, identifying and resolving critical issues to improve reliability and code quality.
- Partnered with cross-functional teams to ensure on-time delivery and alignment with business objectives.
- Conducted comprehensive testing and validation, reducing post-release issues and ensuring high-quality releases.
- Used NodeJS, ORM and SQL/No-SQL to develop and manage databases.
Education
Master of Engineering -
Tallinn University of Technology
Estonia01.2016
Skills
- Frontend: React, TypeScript, MobX/Redux, Single Page Applications (SPA)
- Architecture & Tooling: Monorepo (pnpm, Turborepo), Micro Frontends, Component-driven development (Storybook)
- Styling & Accessibility: Vanilla Extract, React Aria, Design Systems
- Testing & Quality: Vitest, Playwright, Unit & E2E Testing, Cypress
- Observability & Monitoring: Sentry, Telemetry, A/B Testing
- APIs & Data: GraphQL, Relay, REST APIs
Timeline
Frontend Engineer
Amazon Web Services
01.2023 - 09.2025
Senior Frontend Engineer
DeliveryHero
05.2021 - 12.2022
Senior Full Stack Developer
Societe Generale
05.2020 - 05.2021
Software Engineer
Platinion
10.2019 - 05.2020
FullStack Developer
CodeAfrique
01.2017 - 09.2019
Master of Engineering -
Tallinn University of Technology