buse çeliksoftware engineer

Buse Çelik

I don't just design the screen —
I build what runs behind it.

building digital products
with character.

A Full-Stack Software Engineer

Available for opportunities

Ankara, TürkiyeFull-stack · Backend · Mobile · UI/UX · AI

Selected Work

Products and platforms I've designed, built, and shipped.

Hi I'm Buse

I'm a full-stack software engineer building scalable systems, interfaces and digital products.

I like clean architecture, thoughtful typography and the small details that make a product feel complete.

  • React
  • Spring Boot
  • React Native
  • Figma
  • LangGraph
Years Experience
4+
Projects Delivered
10+
Companies
6+
Certifications
8+
Buse Çelik
buse · ankara ♡

What I do

Where architectural engineering precision meets pixel-perfect creative vision.

Backend & Architecture

Building the invisible infrastructure that powers everything.

Frontend & Mobile

Translating Figma visions into high-performance, pixel-perfect experiences.

Languages

  • Java
  • Python
  • TypeScript
  • Swift
  • Dart
  • HTML5 & CSS3

Frontend & Mobile

  • React
  • Next.js
  • React Native
  • Expo
  • Flutter
  • Redux & RTK Query
  • Tailwind

Backend & Data

  • Spring Boot
  • Django
  • Node.js
  • NestJS
  • REST APIs
  • WebSockets
  • Keycloak
  • Microservices

Databases

  • PostgreSQL
  • Firebase
  • Redis
  • Supabase

DevOps & Cloud

  • Docker
  • Kubernetes
  • GitLab & GitHub CI/CD
  • AWS (EC2, S3, RDS)
  • Nginx
  • Linux

AI & Data

  • LangGraph & RAG
  • OpenAI API
  • Apache Airflow
  • Pandas
  • NumPy

Design

  • Figma
  • UI/UX
  • Graphic Design
  • Brand Identity

Tools

  • Git
  • Jira
  • YouTrack
  • Agile & Scrum

Experience journey

From security analytics to startup product development — a trajectory of increasing scope and impact.

01 Software Engineer Databoss Security & Analytics A.Ş.
  • Built an enterprise LLM assistant with React, TypeScript and Chainlit on a LangGraph multi-agent RAG backend — voice input, streaming audio, guided tours and help-desk integration
  • Embedded the assistant into surveillance and internal platforms over Socket.IO / REST for contextual access to product data
  • Built a RAG document-ingestion pipeline with NestJS, PostgreSQL, Redis and MinIO — real-time progress, failure recovery and self-repair jobs
  • Unified seven AI services (OCR, translation, summarisation, STT/TTS, content generation) in a bilingual React/MUI interface
  • Designed a runtime multi-tenant branding system (Docker + Nginx injection) so a single image serves per-customer themes, logos, legal notices and feature flags
  • Developed a drone command-and-control dashboard (React, MUI, Socket.IO) with live telemetry, mission/waypoint planning, target tracking and video streams
  • Delivered full-stack features for a video-surveillance platform using MapLibre/Leaflet, Spring Boot, Oracle and Janus WebRTC, incl. MGRS mapping
  • Owned the front end and contributed Spring Boot / Java 21 services for a predictive-analytics platform with GIS scenario analysis and Apache Airflow pipelines
  • Secured React, NestJS and Spring Boot apps with Keycloak (OIDC, OAuth2/JWT, UMA); tuned PostgreSQL on high-volume datasets
  • Shipped containerised services via GitLab CI, Harbor and Kubernetes; delivered product demos and technical walkthroughs to customers and stakeholders
  • React
  • TypeScript
  • NestJS
  • Spring Boot
  • LangGraph / RAG
  • Socket.IO
  • Keycloak
  • PostgreSQL
  • Docker
  • K8s
02 Software Engineer Soulmate Project — Startup
  • 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 Native
  • Expo
  • Django
  • WebSockets
  • Firebase
  • AI/ML
03 Software Engineer SippsHub — sipsshub.com
  • 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
  • React
  • TypeScript
  • Node.js
  • PostgreSQL
  • REST APIs
04 Frontend Developer Melon (Startup) — mellontech.com.tr
  • 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 Native
  • Redux Toolkit
  • RTK Query
  • Agile
05 Frontend Developer FintelaAI — AI-Powered Financial Assistant
  • Built a responsive web app using React.js
  • Developed clean, reusable UI components with API integration
  • React.js
  • API Integration
  • UI Components
06 Frontend Developer iWebsa — Remote
  • Converted Figma designs into responsive, pixel-perfect frontend components
  • Ensured cross-browser compatibility and mobile-first responsive layouts
  • React
  • Figma
  • Responsive Design
  • CSS3
07 UI/UX Designer Kloudser Technologies — Freelance
  • 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
  • Figma
  • UI/UX Design
  • Wireframing
  • Prototyping
  • Cybersecurity
08 Social Media Content Creator & Graphic Designer Databoss Security & Analytics A.Ş.
  • 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 Design
  • Figma
  • LinkedIn
  • Brand Identity
  • Business Cards
  • Video
09 Social Media Content Creator & Manager Freelance
  • Managing end-to-end social media strategy, content creation, and brand identity for multiple clients
  • Producing branded visuals including posters, reels, stories, and promotional videos
  • Designing business cards, logos, brand identities, and visual content systems from scratch
  • Growing audience engagement through consistent, data-driven content planning
Clients
Élan Studio
Élan Studio@elanflow.co
Emin Hatipoğlu
Emin Hatipoğlu PT@eminhatipoglu.pt
  • Content Strategy
  • Graphic Design
  • Business Cards
  • Brand Identity
  • Video Editing
  • Instagram

Poster Designs

Visual content and poster designs crafted for brands and campaigns.

Drag or scroll →

More Projects

Education & more

Feb 2021 — June 2025

B.Sc. in Computer Technology and Information Systems

Bilkent University, Ankara

GPA: 3.06 / 4.00 · High Honor & Honor Certificates

Beyond

English — Advanced (IELTS 6.5)

Board Member — Bilkent Karting Society (2022–2023), Led marketing & visual content

Certifications
  • Java (Intermediate-Advanced) — TÜBİTAK
  • Spring Framework — TÜBİTAK
  • Microservices Architectures — TÜBİTAK
  • UX & Usability — TÜBİTAK
  • Figma / Mockup Design — TÜBİTAK
  • CCNAv7: Switching & Routing — Cisco
  • CCNAv7: Intro to Networks — Cisco
  • PCAP — Python Essentials — Cisco

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in mind?

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