App LogoApp name
JO

Justice Otuya

Open to work6 years experience

Senior Frontend Engineer

Lisbon, PortugalTarget Roles: Backend Engineer • Full-Stack Developer • Frontend Specialist

Senior Frontend Engineer with 6+ years in fintech and SaaS.

GitHubLinkedIn
Resume
Email

Standing Rank

Rank Not Available

Developer Badges

Badges Pending

Skills & Technologies

25 skills
reactreact nativetypescriptjavascriptnext.jsvuegraphqlnode.jstailwind cssmaterial-uihtmlcssrest apiswebsocketsreduxreact queryjestposthogfirebasegcpa/b testingagilecode reviewseoweb analytics

Work Experience

Software Engineer II

Quidax

Aug 2024 - Present Remote
  • Architected and led the Ramp product (crypto on/off-ramping), personally coordinating engineering-driven marketing rollouts with user acquisition strategies.
  • Spearheaded the Ghana market launch: implemented mobile money (MoMo) integration, GHS wallet, and KYC workflows with zero-downtime release.
  • Delivered advanced trading features (Favorites, portfolio toggles, ODB charts) and high-impact A/B-tested landing pages, driving measurable conversion lifts through SEO optimization.
  • Integrated Tiering & Cashback APIs and led stability efforts during high-traffic launches, maintaining 100% uptime at scale.

Frontend Engineer

Quidax

Mar 2022 - Aug 2024 Remote
  • Delivered full Orderbook V1 trading workflows using HTML, CSS, and React, six weeks ahead of schedule ensuring responsive design.
  • Architected an auto-voucher withdrawal system that significantly reduced user wait times and operational overhead.
  • Introduced PostHog web analytics platform-wide, enabling data-driven product decisions; integrated Platinum and Fincra payment gateways and shipped 2FA.
  • Built React Native mobile screens, announcement banners, and savings withdrawal flows, improving retention and communication.
  • Optimized web pages for SEO best practices, improving organic search ranking and user engagement.

Frontend Engineer

Digital Pulse Technologies

Sep 2018 - Feb 2022 Lagos, Nigeria
  • Built a nationwide helpdesk for Nigeria’s national examinations body, reducing technical issues by 70% and improving fraud detection.
  • Engineered reporting platforms for the National Identity Management Commission, contributing to 30% revenue growth.
  • Collaborated with designers to translate mockups and wireframes into responsive web pages, ensuring cross-browser compatibility.

Projects

Gravy

React NativeTypeScriptGraphQLReact QueryTailwind CSS
  • Developed a cross-platform fintech app using React Native and TypeScript, published on the Google Play Store
  • Led the full development lifecycle, including app architecture, GraphQL data layer with React Query, responsive UI using Tailwind CSS, and Play Store release

Duro

Vue.jsTwilio SMS API
  • Built a virtual queue management system with Vue.js frontend, enabling QR code booking and integrating Twilio SMS API
  • Sole developer who delivered a production-ready application on time by optimizing front-end performance and ensuring responsive design under tight resource constraints

Leaderboard Standings

Leaderboard Position Pending

Global test scores, peer standing percentiles, and algorithm leaderboard ranks are updated dynamically.

Assessment Highlights

Assessments Not Completed

Coding evaluations, system assessment results, and conceptual score badges will appear here after taking a test.

AI Collaboration Score

AI Collaboration Score Pending

Developer coding behavior, assistant cooperation, and AI pair-programming indicators are evaluated during live coding sessions.

Role Compatibility Profile

Role Compatibility Analysis Pending

Custom matching reports, candidate role compatibility percentiles, and core engineer strength profiles are processed once conceptual code screenings are complete.

Achievements

Ramp Product Lead

Architected and led the Ramp product (crypto on/off-ramping) at Quidax.

Orderbook V1 Delivery

Delivered full Orderbook V1 trading workflows six weeks ahead of schedule.

National Helpdesk Implementation

Built a nationwide helpdesk for Nigeria’s national examinations body, reducing technical issues by 70%.

About Details

Professional Bio

Senior Frontend Engineer with 6+ years in fintech and SaaS, skilled in HTML, CSS, JavaScript, and React. Proven ability to translate designs into responsive interfaces, optimize web performance, and drive conversion through A/B testing and analytics.

M.Sc. in Information Management - Digital Transformation

NOVA Information Management School (NOVA IMS) (2025 - 2027)

Postgraduate Diploma in Computer Science

University of Ilorin (2016 - 2017)

Languages: English, Hindi
Email: Locked