# Yaşar Fatih Enes Yalçın

> Founding Engineer | technically, ex-Google | NY & IST

Location: United States, United States
Profile: https://flows.cv/yaar

I build AI-driven systems, scalable backends, and optimized data pipelines, bridging backend engineering, AI, and automation to turn raw data into actionable insights.

🔹 Backend & Data – APIs, data pipelines, and scalable infrastructure (Python & Next.js).
🔹 AI Automation – LLM-powered metadata extraction, classification, and process optimization.
🔹 Full-Stack – Backend architecture to UI/UX enhancements.
🔹 Startup-Ready – Turning ideas into production in early-stage environments.

## Work Experience
### Founding Engineer @ midpage
Jan 2024 – Present | New York City Metropolitan Area
- Developed the world’s 3rd AI-powered Legal Citator.
- Created the Natural Language Search in legal space (called Proposition Search)
- Built the data pipeline for US Courts, integrating AI for automation.
- Python FastAPI & Next.js seamless integration.
- Leading backend & data team
- Ensuring scalability and reliability.
- Created offline AI tasks for document type detection, metadata extraction, and data quality improvements using various LLMs (Gemini, GPT, etc).
- Worked on Next.js frontend, including AI-annotations, and UI design and enhancements.
- and anything and everything a founding engineer does.

### Freelance Software Developer & Founder @ Unknown
Jan 2023 – Present
* Created an AI Infrastructure service where we help businesses deploy their AI models on high performance, fault-tolerant and efficient infrastructure.
* (pinify.co) Created Pinify as ”Pinterest of Shopping” to let people pin any product from any store
* Created a webapp of Scenario Simulator for Drones (name undisclosed due to NDA), in Next.js
* Developed a self-help iOS app for Acceptance and Commitment Therapy in Psychology
* Developed auction bidding bot with Python and Selenium
* (calculatebuddy.com) Created CalculateBuddy for real-life calculators in all areas of life, getting 75.000 organic traffic and growing
* (dolarlamaas.com) Created DolarlaMaas where people in Turkey can find companies pays in dollars, due to inflation in Turkish Lira

### Software Engineer @ Google
Jan 2023 – Jan 2023 | London, England, United Kingdom
* I accepted their offer. Just before I start, Google rescinded the offer due to layoffs. 
* For details --> https://twitter.com/yfenes/status/1690105208120983553

### Software Engineer @ Celonis
Jan 2020 – Jan 2023
* Created Rossum Connector from scratch which is the first Celonis OCR solution
* Created a Python library which led to 500K+ monthly extractions
* Created a Datadog Dashboard to see Uptime of Kubernetes replicas with a Slack integration
* Developed the Python Connector to enable customers to create their own extractors
* Maintained the extraction of data from 50+ data source systems such as Salesforce, Zendesk, JDBC etc.
* Volunteered to improve the internal & external documentation

### Software Engineer @ Digital Product School by UnternehmerTUM
Jan 2020 – Jan 2020
* 3-month program on remote development & management of 1-on-1 Event Scheduler app
* Led team of 7 to conduct iterative prototyping in Agile
* Built a 4-segment software architecture from scratch
* Acquisition of unique idea rights by SAP Business
* Applied best practices: code reviews, source control, CI/CD, etc.
* Worked in backend (Python & Node.js), frontend (React & Redux), database (Google Firebase Cloud NoSQL) and hosting (Google Firebase Cloud Hosting) and the management of the product from scratch

### Software Engineer Internship @ Hazelcast
Jan 2019 – Jan 2019
* Worked for an open-source Hazelcast project of integration and third-party partnerships
* Maintained the integration of Hazelcast to Java servlet containers for 8 replication scenarios
* Tested Tomcat session replication with load balancing with nginx for both sticky and non-sticky sessions

### Machine Learning Engineer @ Tarentum AI
Jan 2018 – Jan 2019
* Wind-Power estimation of 200+ wind turbines using ML techniques, AWS, PostgreSQL, etc
* Developed predictive maintenance tool to reduce 1.000.000$ potential maintenance cost

### Internship @ Turkcell Technology Research and Development
Jan 2017 – Jan 2017 | Istanbul, Turkey
* Optimized work pipeline by providing SSL certificate information to avoid 2 day in-firm bureaucracy. 
* Used Spring Framework, JSF, REST API etc.

### Internship @ Invesp
Jan 2016 – Jan 2016 | Istanbul, Turkey
Worked for 2 conversion optimization tool projects from scratch: 
* Mouse Movement Analysis, analyzing and finding most common mouse paths of users
* Website Funnel Analysis, for analyzing conversion funnels and finding most common ones


## Education
### Master of Science - MS in Informatics
Technical University of Munich
Jan 2019 – Jan 2021

### Master's degree in Computer Engineering
Boğaziçi University
Jan 2018 – Jan 2021

### Computer Engineering
Boğaziçi University
Jan 2013 – Jan 2018


## Contact & Social
- LinkedIn: https://linkedin.com/in/yfenes

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Source: https://flows.cv/yaar
JSON Resume: https://flows.cv/yaar/resume.json
Last updated: 2026-04-01