intro
Say Hi from Isahan Oncel, Full Stack Developer
I'm a passionate full stack developer with a mission to create
robust and scalable digital solutions. With extensive experience
in modern web technologies and a strong foundation in both
frontend and backend development, I specialize in building
high-performance applications that deliver exceptional user
experiences and business value.
about me
Building Digital Solutions with Code and Innovation
Since beginning my journey as a developer over 8 years ago, I've
worked with leading companies, built scalable applications, and
collaborated with talented teams to create digital products for
both business and consumer use. I'm passionate about clean code,
modern architectures, and continuously learning new technologies
to solve complex problems and deliver exceptional results.
8+
YEARS OF EXPERIENCE
50+
PROJECTS COMPLETED
Resume
Experience
With over 8 years of experience in full stack development, I've
worked with various technologies and frameworks to build scalable
applications. From startups to enterprise-level companies, I've
contributed to projects that serve millions of users and handle
complex business requirements.
Frontend Developer
1-800-FLOWERS INC / New York, USA / 12/2022 - Current
Took ownership of multiple applications and contributed to the
development of large-scale B2B e-commerce platforms. Worked
with modern technologies including React.js, Next.js, Tailwind
CSS, Styled Components, Node.js, and TanStack libraries to
build scalable and maintainable frontend architectures.
Implemented micro-frontend structures to improve codebase
modularity and streamline development across teams.
Contributed to the development of a Microsoft Teams Extension
as part of cross-platform integrations.
Frontend Developer
SCOUTIUM / Istanbul, Turkey / 01/2022 - 12/2022
Contributed to the development of multiple web applications
within a football analysis platform, featuring gamification
elements and various user roles. Worked with modern frontend
technologies including Micro-Frontend architecture, Vue.js,
Nuxt.js, React.js, Next.js, Tailwind CSS, CSS3/SCSS, and
Styled Components. Collaborated with cross-functional teams to
build scalable, modular interfaces supporting complex
analytical workflows. Helped enhance user engagement through
performance optimization and interactive UI implementations.
Frontend Developer
NEREDEKAL / Istanbul, Turkey / 02/2021 - 01/2022
Focused on building high-performance, SEO-friendly web
applications using React.js, Next.js, CSS3, SCSS, Rebass, and
Emotion. Designed and implemented the frontend architecture of
a high-traffic travel accommodation platform from scratch.
Contributed to key features utilizing SSG and SSR to improve
SEO performance and page load times. Collaborated closely with
backend and product teams to deliver a fully functional,
production-ready platform.
Co-Founder / Full-Stack Developer
PLAN29 / Istanbul, Turkey / 01/2019 - 04/2021
Led end-to-end development of web and mobile applications with
a primary focus on JavaScript technologies including Node.js,
Express.js, Next.js, and React Native. Built and maintained
online education platforms, e-commerce solutions, and custom
web applications for various clients. Occasionally developed
and integrated PHP-based projects to meet specific client
needs. Actively contributed to architecture design, feature
planning, and deployment processes to ensure scalable and
maintainable products.
Full-Stack Developer
Digital Agency / Istanbul, Turkey / 01/2016 - 08/2020
Developed end-to-end full-stack web and mobile applications
using PHP, MySQL, React, and jQuery. Delivered a wide range of
projects including e-commerce platforms, CRM systems, and
back-office solutions. Collaborated with cross-functional
teams to design scalable architectures and implement efficient
database structures. Improved overall development speed by
applying modular code structures and reusable components
across multiple projects.
my services
Bringing your vision to life with Code and Innovation
I specialize in building modern, scalable applications using
cutting-edge technologies. From frontend interfaces to backend
APIs, I deliver end-to-end solutions that are performant,
maintainable, and user-friendly.
Frontend Development
Building responsive and interactive user interfaces using
React.js, Next.js, and modern CSS frameworks. Creating
seamless user experiences with performance optimization and
SEO best practices.
Backend Development
Developing robust server-side applications with Node.js,
Laravel, and RESTful APIs. Implementing scalable architectures
with MySQL, MongoDB, and Redis for optimal performance and
data management.
Mobile App Development
Building cross-platform mobile applications using React
Native. Creating native-like experiences for both iOS and
Android platforms with optimized performance, smooth
animations, and seamless user interactions.
Full Stack Solutions
End-to-end development of web and mobile applications. From
architecture design to deployment, delivering complete
solutions that meet business requirements and user needs.
Cloud & DevOps
Deploying and managing applications on AWS cloud
infrastructure. Implementing CI/CD pipelines, monitoring
solutions, and ensuring high availability and scalability for
production environments.
my skills
Mastering Technologies and Building Solutions
With expertise across the full technology stack, I bring
comprehensive knowledge of modern web development tools and
frameworks to every project.
Language Skills
Technical Skills
portfolio
Showcasing Innovative Projects and Solutions
Explore a collection of projects that demonstrate my expertise in
building scalable platforms, from web applications to
mobile applications that serve thousands of users daily.
UNICERA
MOBILE APPLICATION
UNICERA
MOBILE APPLICATION
Lumi AI
Mobile Application
Lumi AI
Mobile Application
ORBIS ROUTE
MOBILE APPLICATION + WEB APPLICATION
ORBIS ROUTE
MOBILE APPLICATION + WEB APPLICATION
Spajadore
WEB APPLICATION
Spajadore
WEB APPLICATION
contact me
Let's Work Together!
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