Buse Çelik

The Engine

Backend & Architecture

Building the invisible infrastructure that powers everything. Microservices, security layers, and data pipelines engineered for scale.

Java / Spring Boot Python / Django Node.js PostgreSQL Microservices Keycloak / OIDC WebSockets Apache Airflow Docker / K8s AWS (EC2, S3, RDS) CI/CD (GitLab/GitHub)

$ deploy --env production --scale 3

The Interface

Frontend & Mobile

Translating Figma visions into high-performance, pixel-perfect experiences. From responsive web apps to cross-platform mobile products.

React / Next.js React Native / Expo TypeScript Flutter Redux / RTK Query Tailwind CSS HTML5 / CSS3 Figma UI/UX Design Mobile-First Design

$ npx expo start --ios --android

0+ Years Experience

0+ Projects Delivered

0+ Companies

0+ Certifications

Software Engineer

Databoss Security & Analytics A.Ş.

Mar 2024 — Present

Architected secure microservices using Java (Spring Boot) and Node.js with high availability
Engineered IAM solutions integrating Keycloak (OIDC/OAuth2) for complex RBAC
Optimized PostgreSQL architecture through advanced schema design and performance indexing
Automated ETL pipelines using Apache Airflow from multiple data sources
Streamlined deployment via Docker, Kubernetes, and GitLab CI/CD
Integrated AI-driven modules and optimized web interfaces with React/Next.js

Spring BootKeycloakPostgreSQLAirflowDockerK8sReact

Software Engineer

Soulmate Project — Startup

Sep 2025 — Present

Leading end-to-end architecture for a cross-platform mobile app using React Native & Expo
Developed AI-integrated chat modules and matchmaking algorithms with Python (Django REST)
Translating Figma design systems into pixel-perfect, high-performance UI components
Implemented Firebase services (Auth, Firestore, Cloud Functions) for real-time data

React NativeExpoDjangoWebSocketsFirebaseAI/ML

Software Engineer

SippsHub — sipsshub.com

Mar 2025 — Present

Designed full-stack responsive web application using React (TypeScript) and Node.js/PostgreSQL
Led product optimization for backend query efficiency and frontend web vitals
Developed secure RESTful APIs with integrated data validation

ReactTypeScriptNode.jsPostgreSQLREST APIs

Frontend Developer

Melon (Startup) — mellontech.com.tr

Dec 2024 — Present

Developed core mobile UI components using React Native with high-fidelity animations
Optimized state management using Redux Toolkit and RTK Query
Agile collaboration iterating on product features based on user feedback

React NativeRedux ToolkitRTK QueryAgile

Frontend Developer

FintelaAI — AI-Powered Financial Assistant

Feb 2025 — Mar 2025

Built a responsive web app using React.js
Developed clean, reusable UI components with API integration

React.jsAPI IntegrationUI Components

Frontend Developer

iWebsa — Remote

Nov 2024 — Dec 2024

Converted Figma designs into responsive, pixel-perfect frontend components
Ensured cross-browser compatibility and mobile-first responsive layouts

ReactFigmaResponsive DesignCSS3

UI/UX Designer

Kloudser Technologies — Freelance

Sep 2024 — Nov 2024

Designed a complete web application UI/UX for a cybersecurity firm using Figma
Created high-fidelity wireframes, interactive prototypes, and responsive layouts
Focused on user-centered design principles to enhance usability and visual coherence
Collaborated with stakeholders to translate business requirements into effective UI components

FigmaUI/UX DesignWireframingPrototypingCybersecurity

Social Media Content Creator & Graphic Designer

Databoss Security & Analytics A.Ş.

Sep 2024 — May 2025

Designed and managed the company's LinkedIn-based visual content strategy
Produced branded visuals including posters, brochures, banners, business cards, and videos
Created corporate business card designs aligned with brand identity guidelines

Graphic DesignFigmaLinkedInBrand IdentityBusiness CardsVideo

Startup • Founder

Soulmate

Cross-platform dating app for iOS and Android featuring AI-driven matchmaking algorithms, real-time chat with WebSockets, and Firebase-powered authentication. End-to-end architecture from Figma design systems to production deployment.

React NativeExpoDjango RESTWebSocketsFirebaseAI/MLFigma

Architecture

React Native → Django API → PostgreSQL → Firebase

influencehub.club

Senior Project • Founder • Cross-Platform

InfluenceHub

Full-scale AI-based recommendation platform connecting brands with influencers and event organizers with performers. Web and mobile applications with AI matchmaking model, Docker deployment, and complete UI/UX design in Figma.

ReactReact NativeTypeScriptAI ModelDockerFigma

Visit Site

sipsshub.com

Full-Stack

SippsHub

Full-stack responsive web application with React/TypeScript frontend and Node.js/PostgreSQL backend. Focused on backend query efficiency and frontend web vitals optimization.

ReactTypeScriptNode.jsPostgreSQL

Visit Site

ssisaret.com

Frontend • Corporate

S.S. İşaret

Corporate website for a real estate development company. Modern, responsive design showcasing property projects with immersive visuals, interactive layouts, and a professional web presence.

ReactResponsive DesignUI/UXCorporate Web

Visit Site

fintelaai.com

Frontend • AI

FintelaAI

AI-powered financial assistant web application. Responsive React.js interface with clean, reusable components and dynamic API-driven data rendering.

React.jsAI IntegrationREST APIs

Visit Site

pteminhatipoglu.vercel.app

Frontend • Freelance

Emin Hatipoğlu PT

Professional portfolio website for a personal trainer based in Ankara. Modern dark-themed design with animated backgrounds, bilingual support (TR/EN), client transformations gallery, certifications showcase, and WhatsApp integration for easy client outreach.

HTML5CSS3JavaScriptResponsive Designi18n

Visit Site

melon

Startup • Tablet • Hospitality

Melon

Tablet application designed for the hospitality industry, built with React Native and Expo Go for hotel in-room guest experiences. Developed high-fidelity UI components with fluid animations and optimized state management using Redux Toolkit and RTK Query. Also built the promotional website using React with TypeScript.

React NativeExpo GoReactTypeScriptRedux ToolkitRTK Query

Visit Site

kloudser.com

UI/UX • Cybersecurity

Kloudser Technologies

Complete web application UI/UX designed for a cybersecurity firm using Figma. Created high-fidelity wireframes, interactive prototypes, and responsive layouts with a focus on user-centered design principles to enhance usability and visual coherence.

FigmaUI/UX DesignWireframingPrototypingResponsive

iwebsa.com

Frontend • Remote

iWebsa

Converted Figma designs into responsive, pixel-perfect frontend components. Ensured cross-browser compatibility and implemented mobile-first responsive layouts with clean, semantic code architecture.

ReactFigmaResponsive DesignCSS3Mobile-First

Poster Designs

Visual content and poster designs crafted for brands and campaigns.

buse@portfolio ~ skills

$ cat skills.json

{
  "languages": ["Java", "Python", "TypeScript", "Swift", "Dart", "HTML5/CSS3"],
  "frontend": ["React", "Next.js", "React Native", "Expo", "Flutter", "Redux/RTK Query", "Tailwind"],
  "backend": ["Spring Boot", "Django", "Node.js", "REST APIs", "WebSockets", "Keycloak", "Microservices"],
  "database": ["PostgreSQL", "Firebase", "Redis"],
  "devops": ["Docker", "Kubernetes", "GitLab/GitHub CI/CD", "AWS (EC2,S3,RDS)", "Nginx"],
  "ai_data": ["Apache Airflow", "OpenAI API", "Pandas", "NumPy", "Data Preprocessing"],
  "design": ["Figma", "UI/UX", "Graphic Design", "Business Cards"],
  "tools": ["Git", "Jira", "YouTrack", "Agile/Scrum", "Linux"]
}

$ █

Languages

Java

Python

TypeScript

Swift

Frontend & Mobile

React / Next.js

React Native

Flutter

Tailwind CSS

Backend & Data

Spring Boot

PostgreSQL

Django

Node.js

Keycloak/IAM

Firebase

DevOps & Cloud

Docker / K8s

GitLab / GitHub CI/CD

AWS (EC2, S3, RDS)

Linux / Nginx

The Hybrid Identity

The Engine

The Interface

Professional Journey

Software Engineer

Software Engineer

Software Engineer

Frontend Developer

Frontend Developer

Frontend Developer

UI/UX Designer

Social Media Content Creator & Graphic Designer

Featured Work

Soulmate

InfluenceHub

SippsHub

S.S. İşaret

FintelaAI

Emin Hatipoğlu PT

Melon

Kloudser Technologies

iWebsa

Poster Designs

Tech Arsenal

Languages

Frontend & Mobile

Backend & Data

DevOps & Cloud

Education & Certifications

B.Sc. in Computer Technology and Information Systems

Let's Connect

Buse Çelik

The Hybrid Identity

The Engine

The Interface

Professional Journey

Software Engineer

Software Engineer

Software Engineer

Frontend Developer

Frontend Developer

Frontend Developer

UI/UX Designer

Social Media Content Creator & Graphic Designer

Social Media Content Creator & Manager

Featured Work

Soulmate

InfluenceHub

SippsHub

S.S. İşaret

FintelaAI

Emin Hatipoğlu PT

Melon

Kloudser Technologies

iWebsa

Poster Designs

Tech Arsenal

Languages

Frontend & Mobile

Backend & Data

DevOps & Cloud

Education & Certifications

B.Sc. in Computer Technology and Information Systems

Let's Connect