Ambient, Entertainment
LumaReef
A living reef on every screen.
LumaReef turns your TV, browser or tablet into a breathing reef aquarium that you care for from your phone.
Live on the web. Coming soon to phones, tablets and TVs.
Follow the light
Berke Düzgün software engineer, founder.
I build payment and core banking systems for enterprises, and co-run Sazora, an independent app studio.
Systems that can't afford to stop.
Payment infrastructure, core banking and hospital finance. Work where downtime has a price.
Dgpays
Expert Software Engineer
– PresentRemote
I build and optimize core banking and advanced reporting modules for large-scale financial transformation projects, working across the full stack. I also take hands-on responsibility for DevOps operations.
Core banking, Advanced reporting, Full stack development, DevOps
Innovance Consultancy
Full Stack Developer
– Istanbul, Turkey
Through Innovance I consulted for SIBS, a European payment infrastructure company, working on payment infrastructure, batch systems, tokenization and card systems. In the same role I also built ticketing and travel backends, contributed to AI R&D projects and developed the GSYIAD backoffice panel for the Galatasaray Board of Directors.
Payment infrastructure, Batch systems, Tokenization and card systems, Ticketing and travel backends, AI R&D
Acıbadem Healthcare Group
Full Stack Developer
– Istanbul, Turkey
I worked on Cerebral Plus, a healthcare management and information system for international hospitals and health chains. I developed its charging systems, invoice processing and advanced reporting, on both the frontend and the backend.
Healthcare information system, Charging systems, Invoice processing, Advanced reporting
Viveven
Founder
– Istanbul, Turkey
I founded a technology startup that built in-house SaaS products and delivered software for contracted enterprise clients. I engineered and scaled a data scraping and analytics platform, which was acquired within a year.
In-house SaaS products, Data scraping and analytics, Enterprise client projects, Product exit
Sixfab
Software Developer
– California, USA (remote)
As a contract full stack developer, I designed and built a containerized web application end to end: a Flask REST API with JWT authentication, MongoDB for the data and a Vue.js frontend.
Flask REST API, JWT authentication, MongoDB data modeling, Vue.js frontend, Docker
Nextlua
Software Developer
– Istanbul, Turkey
As a backend developer, I worked on the CRM and CMS platforms behind mobility and automotive brands including Garenta, Ikinciyeni and Getir Araç (Moov). I was responsible for backend architecture and integrations.
CRM platforms, CMS platforms, Backend architecture, Integrations
Six layers, one line through them.
Frontend
JavaScript, TypeScript, React.js, Next.js, Vue.js, React Native, HTML, CSS, MobX
Backend
C#, ASP.NET Core, Java Spring Boot, Go, Python, Flask, RESTful
Data
PostgreSQL, MSSQL, Oracle, MongoDB, NoSQL, Vector DB, Redis, Entity Framework, Prisma, Drizzle, Mongoose, Dapr
Architecture
Microservices, Domain-Driven Design (DDD), CQRS, Test Driven Development (TDD), Task Management
DevOps & Cloud
Azure, AWS, DevOps, Cloud Applications, Docker, RabbitMQ, Kafka, Elasticsearch, Git
AI
Generative AI, Prompt Engineering, LLM Integration, AI-Powered Applications, TensorFlow
Alongside all of it, I build my own.
Sazora is the independent app studio I co-founded. One prism, many lights: each app takes its own colour.
Visit sazora.ioProducts
Weather, Aurora
Solwind
Know when to look up.
One honest number for the aurora where you are, with alerts only when it’s dark and clear.
Coming soon to iPhone & Apple Watch. Free to download. Smart alerts, the next three nights, widgets, Live Activities and Apple Watch come with Solwind Pro.
Sports, Platform
Spordium
Put your facility in play.
A white-label platform for pitches, courts, pools and gyms. Bookings, QR check-in, classes, leagues and loyalty, in an app with your own brand.
Live on iPhone, Android and the web.
SaaS, Founder tools
WallMRR
Put your MRR on the wall.
WallMRR is a live MRR dashboard for your TV. Connect RevenueCat, Stripe, Polar, DataFa.st or Stalkr.ai, pair any screen with a six-character code, and watch every sale land from across the room. Built for founders who ship.
In public beta on the web, with Apple TV and Android TV apps coming soon.
Sleep, iOS
Lubb
Fall asleep to a heartbeat.
Lubb turns an iPhone into a slow, realistic heartbeat you can feel: a soft vibration under the edge of your pillow, like resting your head on someone's chest. It's for adults who sleep better with someone beside them.
Live on iPhone.
Commerce, Shopify
Carboy
Sell every size from one bottle, sack or drum.
Pooled inventory for Shopify shops that buy in bulk and sell by the portion: decants, tea, coffee, spices and refills.
Early access. Join from the Carboy website.
More from the studio, and before it.
Shopping, Price tracking
LiveGözcü
A real-discount radar for Amazon Turkey.
Music, AI
LiveMusimagine
Turn your words into songs.
Kids, Creativity, AI
Coming soonPaintopia
Say your wish, and your coloring page appears.
Real estate, Property management
Coming soonRentora
Property rental, made simple.
Accessibility, Hearing
Coming soonHark
Hear the people you love.
Beauty, Booking, Partner project
LiveSalon+
Discover beauty, find nearby salons, book with ease.
Sports, Football talent, Partner project
LiveNextGOAT
Play. Compete. Get discovered.
Telecom data analysis, Desktop, Client project for Mirber
LiveMBHTS
Analyze BTK HTS data in depth, on your device.
Before Sazora
Viveven
A data scraping and analytics platform for automated web data extraction and market insights. I built it at Viveven, the startup I founded, and managed the product from its first architecture through to commercialization.
Acquired within a year
VizePlus
Visit: VizePlusA visa appointment tracking and alert service. It shows appointment slots in real time, sends push, SMS and email alerts, and includes an AI visa assistant and an agency sales panel where MCP handles automatic appointment booking. It was featured on Product Hunt.
HOOP
Visit: HOOPA mobile food delivery app and ERP that connects users with partner restaurants and delivers on electric scooters, so an order does not interrupt a day at the beach. It has real-time order tracking and an onboarding system for restaurant partners.
Çalhanoğlu Football Academy
Visit: Çalhanoğlu Football AcademyA full stack platform that digitizes student registrations, branch applications and academy operations, with separate panels for students, branches and administrators.
DataMorph
A recommendation engine that serves personalized recommendations in real time through configurable data flows and several strategies: content-based, collaborative filtering and hybrid. It runs on a microservices architecture with MLflow model tracking and Redis caching.
DataDex+
An AI-powered platform for data extraction and search, built on data mining and web scraping. It helps SMEs, enterprises and individual users run industry and competitor analysis and get personalized recommendations from its AI models.
ShieldPoint
Visit: ShieldPointA data loss prevention (DLP) product focused on stopping data loss and protecting endpoints.
Notes from the work.
Research paperJournal of Data Science and Modern Techniques, Aug 2025
Development of Salary Prediction Models for the Information Technology Industry
A peer-reviewed paper written with Ceren Ulus and Mehmet Fatih Akay. We built machine learning and ensemble models on about 10,000 records to predict salaries in the IT sector, and Random Forest performed best with a MAPE of 2.60%.
Vektörel Database nedir, ne işe yarar
What vector databases are and why they matter: stores built to hold and query the vector embeddings that AI models produce.
Kayan Noktalı Sayılar Problemi
The IEEE 754 standard and the difficulty of representing decimal fractions in binary, with a technical explanation of why 0.1 + 0.2 does not equal 0.3.
AI Agents: n8n nedir?
Building AI agents and managing automation flows with n8n, taking a no-code and low-code approach to AI integrations.
Manifest Build: Backend Geliştirmede Yeni Dönem
An AI-based API ecosystem and the new generation of tools in backend development, with a look at modern backend approaches and AI-assisted solutions.
Veri Madenciliği ve Web Scraping
Web scraping techniques and the role of data mining in modern software development.
Bulut Teknolojisinin Değişen Yüzü
How cloud computing has evolved and changed, with a look at modern cloud technologies and future trends.
Load Balancer, API Gateway ve Reverse Proxy Nedir?
What load balancers, API gateways and reverse proxies are, why they matter in microservice architectures, and where each one is used.
Away from the keyboard.
Tennis, played and trained seriously. Target shooting, regular range practice, for focus and technique. Film and cinematography, visual storytelling, film analysis and filming techniques. Cooking, world cuisines, with healthy, protein-rich recipes. Reading, philosophy and psychology. Piano, at an amateur level.
Education
Kocaeli University
BEng, Electronics and Communication Engineering, 2020 – 2025
Meram Science High School
Science high school diploma, 2016 – 2020
Languages
Turkish
Native
English
Professional working proficiency
Spanish
Beginner
Let's build something.
Available for engineering roles and product collaborations.
Download CVPDF, in English
Or ask me anything