I guarantee ๐—ฎ ๐—ฟ๐—ผ๐—ฏ๐˜‚๐˜€๐˜, ๐˜€๐—ฐ๐—ฎ๐—น๐—ฎ๐—ฏ๐—น๐—ฒ, ๐—ฎ๐—ป๐—ฑ ๐—ฒ๐—ณ๐—ณ๐—ถ๐—ฐ๐—ถ๐—ฒ๐—ป๐˜๐—น๐˜† ๐—ณ๐˜‚๐—ป๐—ฐ๐˜๐—ถ๐—ผ๐—ป๐—ถ๐—ป๐—ด ๐—ฎ๐—ฝ๐—ฝ๐—น๐—ถ๐—ฐ๐—ฎ๐˜๐—ถ๐—ผ๐—ป that will streamline your business operations. ๐—œ ๐—ฎ๐—บ ๐˜๐—ต๐—ฒ ๐—ฝ๐—ฒ๐—ฟ๐—ณ๐—ฒ๐—ฐ๐˜ ๐—ณ๐—ถ๐˜ ๐—ณ๐—ผ๐—ฟ ๐˜†๐—ผ๐˜‚๐—ฟ ๐—•๐˜‚๐—ฏ๐—ฏ๐—น๐—ฒ ๐—ฎ๐—ฝ๐—ฝ ๐—ฑ๐—ฒ๐˜ƒ๐—ฒ๐—น๐—ผ๐—ฝ๐—บ๐—ฒ๐—ป๐˜ and ๐—”๐—ฝ๐—ฝ ๐—ฆ๐˜๐—ผ๐—ฟ๐—ฒ ๐—ข๐—ฝ๐˜๐—ถ๐—บ๐—ถ๐˜‡๐—ฎ๐˜๐—ถ๐—ผ๐—ป. I can confidently guarantee these as a result. "Over the past three years, weโ€™ve hired over 10 web & mobile app experts, and Onasanya has undoubtedly been the most knowledgeable and helpful of everyone weโ€™ve worked with." Some of the features I can include in your app are: โœ… Payment Processing โœ… Automated emails โœ… Chat/messaging โœ… User profiles โœ… Account Settings โœ… Admin Portal โœ… 2FA โœ… File upload โœ… API integrations โœ… GPT Agent Development โœ… API Data Extraction โœ… Frontend Developer for Database Query Web App โœ… Game Development ๐Ÿ‘‰ Expertise in Bubble allows me to quickly identify and resolve issues with your individual or company project, ensuring minimal downtime and optimal performance. ๐Ÿ‘‰ My experience in no-code development will facilitate the enhancement and addition of features to your app, making it more intuitive and user-friendly.. โ˜๏ธ I'm well-versed in Bubble.io, Airtable, and n8n, which I can integrate seamlessly to automate workflows and enhance the capabilities of your Bubble app. I'm excited to team up with you to breathe life into your concepts! In today's swiftly evolving no-code bubble.io realm, developers typically fall into two categories: 1. The indifferent developers who construct projects devoid of vision or passion, prioritizing the price tag over long-term value creation. 2. The dedicated dynamo developers who enthusiastically embrace client ideas, infusing their expertise, insight, and commitment into realizing their SaaS/MVP aspirations. ๐Ÿ’Ž๐Ÿ’Ž๐Ÿ’Ž I assist businesses, startups, scaleups, B2B, B2C, and SMEs in designing internal tools such as CRMs, marketplaces, SaaS products, โš›custom AI-powered MVPs, etc., tailored to enhance their business systems & operations. My Experience ๐Ÿš€ Over 5 years dedicating to Bubble coding, ranked Elite Bubble Programmer ๐Ÿ† First Rated Plus provider with 100% Job Testimonial โญ๏ธ 350+ projects delivered with 500+ happy clients on freelancing platforms ๐Ÿ“ˆ Experienced developing fast-loading progressive web apps (PWAs), multi-tenant SaaS, and interactive dashboards โ›“ Integrate third-party APIs like Stripe, Mailchimp, Google Sheets โšก Build secure user authentication, role management, payments and subscriptions ๐ŸŽฏ Expert in UI/UX design, branding, typography, art direction, and usability principles ๐Ÿ’ป Fluent in workflow automation, complex logic, efficient data modeling, mathematics, algebra ๐ŸŒŽ Cross-browser and mobile responsive sites following accessibility standards โœ… Successful track record designing, launching and scaling apps for startups and enterprises ๐Ÿ‘ฅ Leading a talented team of Bubble developers to deliver quality solutions, fast iterations and ongoing supportโ€ฆ

Onasanya Oluwaseyi

๎˜‚5.0 (4 reviews)

I guarantee ๐—ฎ ๐—ฟ๐—ผ๐—ฏ๐˜‚๐˜€๐˜, ๐˜€๐—ฐ๐—ฎ๐—น๐—ฎ๐—ฏ๐—น๐—ฒ, ๐—ฎ๐—ป๐—ฑ ๐—ฒ๐—ณ๐—ณ๐—ถ๐—ฐ๐—ถ๐—ฒ๐—ป๐˜๐—น๐˜† ๐—ณ๐˜‚๐—ป๐—ฐ๐˜๐—ถ๐—ผ๐—ป๐—ถ๐—ป๐—ด ๐—ฎ๐—ฝ๐—ฝ๐—น๐—ถ๐—ฐ๐—ฎ๐˜๐—ถ๐—ผ๐—ป that will streamline your business operations. ๐—œ ๐—ฎ๐—บ ๐˜๐—ต๐—ฒ ๐—ฝ๐—ฒ๐—ฟ๐—ณ๐—ฒ๐—ฐ๐˜ ๐—ณ๐—ถ๐˜ ๐—ณ๐—ผ๐—ฟ ๐˜†๐—ผ๐˜‚๐—ฟ ๐—•๐˜‚๐—ฏ๐—ฏ๐—น๐—ฒ ๐—ฎ๐—ฝ๐—ฝ ๐—ฑ๐—ฒ๐˜ƒ๐—ฒ๐—น๐—ผ๐—ฝ๐—บ๐—ฒ๐—ป๐˜ and ๐—”๐—ฝ๐—ฝ ๐—ฆ๐˜๐—ผ๐—ฟ๐—ฒ ๐—ข๐—ฝ๐˜๐—ถ๐—บ๐—ถ๐˜‡๐—ฎ๐˜๐—ถ๐—ผ๐—ป. I can confidently guarantee these as a result. "Over the past three years, weโ€™ve hired over 10 web & mobile app experts, and Onasanya has undoubtedly been the most knowledgeable and helpful of everyone weโ€™ve worked with." Some of the features I can include in your app are: โœ… Payment Processing โœ… Automated emails โœ… Chat/messaging โœ… User profiles โœ… Account Settings โœ… Admin Portal โœ… 2FA โœ… File upload โœ… API integrations โœ… GPT Agent Development โœ… API Data Extraction โœ… Frontend Developer for Database Query Web App โœ… Game Development ๐Ÿ‘‰ Expertise in Bubble allows me to quickly identify and resolve issues with your individual or company project, ensuring minimal downtime and optimal performance. ๐Ÿ‘‰ My experience in no-code development will facilitate the enhancement and addition of features to your app, making it more intuitive and user-friendly.. โ˜๏ธ I'm well-versed in Bubble.io, Airtable, and n8n, which I can integrate seamlessly to automate workflows and enhance the capabilities of your Bubble app. I'm excited to team up with you to breathe life into your concepts! In today's swiftly evolving no-code bubble.io realm, developers typically fall into two categories: 1. The indifferent developers who construct projects devoid of vision or passion, prioritizing the price tag over long-term value creation. 2. The dedicated dynamo developers who enthusiastically embrace client ideas, infusing their expertise, insight, and commitment into realizing their SaaS/MVP aspirations. ๐Ÿ’Ž๐Ÿ’Ž๐Ÿ’Ž I assist businesses, startups, scaleups, B2B, B2C, and SMEs in designing internal tools such as CRMs, marketplaces, SaaS products, โš›custom AI-powered MVPs, etc., tailored to enhance their business systems & operations. My Experience ๐Ÿš€ Over 5 years dedicating to Bubble coding, ranked Elite Bubble Programmer ๐Ÿ† First Rated Plus provider with 100% Job Testimonial โญ๏ธ 350+ projects delivered with 500+ happy clients on freelancing platforms ๐Ÿ“ˆ Experienced developing fast-loading progressive web apps (PWAs), multi-tenant SaaS, and interactive dashboards โ›“ Integrate third-party APIs like Stripe, Mailchimp, Google Sheets โšก Build secure user authentication, role management, payments and subscriptions ๐ŸŽฏ Expert in UI/UX design, branding, typography, art direction, and usability principles ๐Ÿ’ป Fluent in workflow automation, complex logic, efficient data modeling, mathematics, algebra ๐ŸŒŽ Cross-browser and mobile responsive sites following accessibility standards โœ… Successful track record designing, launching and scaling apps for startups and enterprises ๐Ÿ‘ฅ Leading a talented team of Bubble developers to deliver quality solutions, fast iterations and ongoing supportโ€ฆ

Available to hire

I guarantee ๐—ฎ ๐—ฟ๐—ผ๐—ฏ๐˜‚๐˜€๐˜, ๐˜€๐—ฐ๐—ฎ๐—น๐—ฎ๐—ฏ๐—น๐—ฒ, ๐—ฎ๐—ป๐—ฑ ๐—ฒ๐—ณ๐—ณ๐—ถ๐—ฐ๐—ถ๐—ฒ๐—ป๐˜๐—น๐˜† ๐—ณ๐˜‚๐—ป๐—ฐ๐˜๐—ถ๐—ผ๐—ป๐—ถ๐—ป๐—ด ๐—ฎ๐—ฝ๐—ฝ๐—น๐—ถ๐—ฐ๐—ฎ๐˜๐—ถ๐—ผ๐—ป that will streamline your business operations. ๐—œ ๐—ฎ๐—บ ๐˜๐—ต๐—ฒ ๐—ฝ๐—ฒ๐—ฟ๐—ณ๐—ฒ๐—ฐ๐˜ ๐—ณ๐—ถ๐˜ ๐—ณ๐—ผ๐—ฟ ๐˜†๐—ผ๐˜‚๐—ฟ ๐—•๐˜‚๐—ฏ๐—ฏ๐—น๐—ฒ ๐—ฎ๐—ฝ๐—ฝ ๐—ฑ๐—ฒ๐˜ƒ๐—ฒ๐—น๐—ผ๐—ฝ๐—บ๐—ฒ๐—ป๐˜ and ๐—”๐—ฝ๐—ฝ ๐—ฆ๐˜๐—ผ๐—ฟ๐—ฒ ๐—ข๐—ฝ๐˜๐—ถ๐—บ๐—ถ๐˜‡๐—ฎ๐˜๐—ถ๐—ผ๐—ป. I can confidently guarantee these as a result.

โ€œOver the past three years, weโ€™ve hired over 10 web & mobile app experts, and Onasanya has undoubtedly been the most knowledgeable and helpful of everyone weโ€™ve worked with.โ€

Some of the features I can include in your app are:

โœ… Payment Processing
โœ… Automated emails
โœ… Chat/messaging
โœ… User profiles
โœ… Account Settings
โœ… Admin Portal
โœ… 2FA
โœ… File upload
โœ… API integrations
โœ… GPT Agent Development
โœ… API Data Extraction
โœ… Frontend Developer for Database Query Web App
โœ… Game Development

๐Ÿ‘‰ Expertise in Bubble allows me to quickly identify and resolve issues with your individual or company project, ensuring minimal downtime and optimal performance.

๐Ÿ‘‰ My experience in no-code development will facilitate the enhancement and addition of features to your app, making it more intuitive and user-friendlyโ€ฆ

โ˜๏ธ Iโ€™m well-versed in Bubble.io, Airtable, and n8n, which I can integrate seamlessly to automate workflows and enhance the capabilities of your Bubble app.

Iโ€™m excited to team up with you to breathe life into your concepts! In todayโ€™s swiftly evolving no-code bubble.io realm, developers typically fall into two categories:

  1. The indifferent developers who construct projects devoid of vision or passion, prioritizing the price tag over long-term value creation.

  2. The dedicated dynamo developers who enthusiastically embrace client ideas, infusing their expertise, insight, and commitment into realizing their SaaS/MVP aspirations.

๐Ÿ’Ž๐Ÿ’Ž๐Ÿ’Ž I assist businesses, startups, scaleups, B2B, B2C, and SMEs in designing internal tools such as CRMs, marketplaces, SaaS products, โš›custom AI-powered MVPs, etc., tailored to enhance their business systems & operations.

My Experience
๐Ÿš€ Over 5 years dedicating to Bubble coding, ranked Elite Bubble Programmer

๐Ÿ† First Rated Plus provider with 100% Job Testimonial

โญ๏ธ 350+ projects delivered with 500+ happy clients on freelancing platforms

๐Ÿ“ˆ Experienced developing fast-loading progressive web apps (PWAs), multi-tenant SaaS, and interactive dashboards

โ›“ Integrate third-party APIs like Stripe, Mailchimp, Google Sheets

โšก Build secure user authentication, role management, payments and subscriptions

๐ŸŽฏ Expert in UI/UX design, branding, typography, art direction, and usability principles

๐Ÿ’ป Fluent in workflow automation, complex logic, efficient data modeling, mathematics, algebra

๐ŸŒŽ Cross-browser and mobile responsive sites following accessibility standards

โœ… Successful track record designing, launching and scaling apps for startups and enterprises

๐Ÿ‘ฅ Leading a talented team of Bubble developers to deliver quality solutions, fast iterations and ongoing support

See more

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
See more

Language

English
Fluent

Work Experience

Full Stack Developer at Bitrux Multitax Ltd
January 9, 2024 - May 8, 2024
"Onasanya was very easy to work with and understanding when I needed changes or updates. delivered good work and I enjoyed working with him. His communication was top-notch, he met all deadlines, and his skills were reasonably strong. The quality of the final products was amazing. Look forward to working with him again soon."
Bubble.io Developer at Ajax WesterDoor United
June 13, 2024 - October 19, 2024
"Project was meant to take a few days, he was able to get it done in a few hours. Was easy to work with. Great understanding of Bubble.io functionality and made recommendations to optimize. Will work with again for sure."
Full Stack Developer | Python | MERN | React Native Expert at Menior Ltd
November 8, 2024 - December 28, 2024
"I can honestly say that Onasanya is the BEST developer I have used -and I've contracted a few over the years. Please don't hesitate to use Onasanya services hand on heart you wont be disappointed WILL 101% give all my work to Onasanya Thanks"
Full stack developer (Angular, NodeJS, JAVA, MySQL, MongoDB) at Bells Asn
January 9, 2025 - March 21, 2025
"I had the pleasure of working with Onasanya to resolve a critical issue with starting and running an Angular project. He quickly diagnosed that the problem was related to the Node.js version being incompatible with the project. His expertise and troubleshooting skills were exceptional โ€“ he promptly fixed the issue, ensuring the project ran smoothly without any hiccups. I am thoroughly impressed with his knowledge and efficiency, and I highly recommend him for any Angular or Node.js-related tasks. Great work!"
Bubble.io MVP Development Expert, Adalo No-Code Apps at Flexbie Ltd
April 11, 2025 - May 16, 2025
"Working with Onasanya on my website development project was an absolute pleasure! He demonstrated top-notch technical skills, creativity, and attention to detail. The website he built is not only visually appealing but also highly functional and user-friendly. He communicated effectively throughout the process, met all deadlines, and went above and beyond my expectations. I highly recommend His services to anyone looking for a professional and reliable web developer!
No-Code Specialist for Service-Selling Platform Development Using Adalo or bubble at Wills Bix
June 4, 2025 - June 29, 2025
"An exceptional job well done! Onasanya successfully developed a fully functional website with great attention to detail, efficiency, and professionalism. his expertise in web development, problem-solving skills, and ability to meet project requirements made the entire process smooth and seamless. The final product is not only visually appealing but also highly responsive and user-friendly. I highly recommend Onasanya for any web development project!"
Flutter Developer |Flutter App Developer |Flutter Mobile App Developer at Pea West
July 18, 2025 - August 1, 2025
"Onasanya was very friendly, punctual, and most importantly, willing to work according to my needs. His expertise in Flutter is outstanding, and he completed my project on time. I highly recommend him."

Education

Bachelor of Science at University of Derby
August 6, 2020 - August 8, 2024
Full Stack Development at Udemy
January 2, 2024 - April 18, 2024
A Complete Guide to the Flutter SDK & Flutter Framework for building native iOS and Android apps at Udemy
April 3, 2024 - July 10, 2024
Learn Flutter and Dart from the ground up, step-by-step Build engaging native mobile apps for both Android and iOS Use features like Google Maps, the device camera, authentication and much more! Learn how to upload images and how to send manual and automated push notifications
Learn Mobile App Development by Creating a Food Ordering App at Udemy
August 7, 2024 - September 13, 2024
Master HTML, CSS, and JavaScript basics, providing a solid foundation for web development. Understand the fundamentals of React and how to build dynamic user interfaces. Integrate Firebase for backend services like authentication and real-time databases. Dive into React Native to build cross-platform mobile apps using JavaScript and React.
Figma for Mobile App Design: Ultimate Edition at Udemy
September 28, 2024 - October 27, 2024
Create beautiful apps in Figma (a free design program) from scratch, with no previous experience, and add it to your portfolio Learn about Google Material Design and how to use it. Practical advice that can get you design jobs fast - either as a freelancer or full time

Qualifications

Google Associate Android Developer
March 6, 2024 - May 31, 2024
Certified by Google for proficiency in Android development, covering core Android components, UI/UX design, data storage, and testing.
Apple Certified iOS Developer
April 11, 2024 - May 23, 2024
Demonstrates expertise in building iOS applications using Swift and Xcode, following Appleโ€™s Human Interface Guidelines and best practices.
Meta Front-End Developer Certificate (Coursera)
June 6, 2024 - August 7, 2024
A professional certificate from Meta (Facebook) covering HTML, CSS, JavaScript, React, UI design, and accessibility for responsive web development.
Certified React Developer (Scrimba / Codecademy / FreeCodeCamp)
July 13, 2024 - September 13, 2024
Verifies strong knowledge of building dynamic, component-based front-end applications using React, including hooks and state management
Flutter Developer Certification (Udemy / Coursera / Google)
October 12, 2024 - November 15, 2024
Shows capability in building cross-platform apps using Flutter and Dart, with emphasis on beautiful UIs, animations, and scalable architecture.
Responsive Web Design Certification (freeCodeCamp)
January 8, 2025 - March 13, 2025
Covers the fundamentals of HTML5, CSS3, Flexbox, and responsive design principles for building mobile-first, accessible web applications.
AWS Certified Developer โ€“ Associate
April 9, 2025 - May 30, 2025
Validates ability to develop and maintain cloud-based applications using Amazon Web Services, with focus on serverless and scalable mobile/web backends.
MongoDB for Developers Certificate
May 15, 2025 - May 31, 2025
Specialized in building modern applications using MongoDB, covering schema design, aggregation, and database integration in MERN/MEAN stacks.
Full-Stack Web Developer Certificate (Coursera)
April 11, 2024 - June 10, 2025
Comprehensive training in both front-end and back-end development including JavaScript, Node.js, Express, databases, and RESTful APIs.
Progressive Web App (PWA) Certification (Google)
April 9, 2025 - May 14, 2025
Proves skills in building fast, reliable, and installable web applications that work offline and offer native-like experiences using modern web APIs.

Industry Experience

Software & Internet, Gaming, Financial Services, Real Estate & Construction, Wholesale & Distribution, Life Sciences, Consumer Goods, Education, Energy & Utilities, Computers & Electronics, Agriculture & Mining, Manufacturing, Media & Entertainment, Non-Profit Organization, Retail, Professional Services, Healthcare, Telecommunications, Transportation & Logistics, Government, Travel & Hospitality
    uniE621 Bubble Developer for Web App Customization | Full-Stack Developer
    "I'm totally impressed with him. He is very knowledgeable with the bubble. Very professional attitude too. I will be back in a heartbeat with anything else bubble." app webdesigner designer branding graphicdesigner illustrator photo logoโ€ฆ

Hire a App Developer

We have the best app developer experts on Twine. Hire a app developer in London today.