Hasan Mahir Ateş

Principal Software Engineer & Solutions Architect

+90 554 264 99 81

Ankara, Turkey

Professional Summary

Principal Software Engineer & Solutions Architect available for B2B/Contract roles (via US-registered LLC) or Relocation opportunities. Specializing in high-scale SaaS ecosystems and AI-native platforms. Proven track record of orchestrating complex Node.js microservices with Python-based AI workers (RAG, Computer Vision) for sports, ad-tech, and defense sectors. Expert in solving 'hallucination' problems in LLMs. A remote-native veteran capable of delivering enterprise-grade solutions globally, with availability for periodic on-site collaboration and critical meetings.

B2B Contract (via US LLC / Outside IR35) | Remote (Hybrid-Ready) | Open to Travel & Relocation

Key Skills

Languages & AI/ML

Node.js (Advanced)

Python

C# (.NET Core)

TypeScript

SQL

C++

RAG Architectures

LangChain

Vector Databases (Pinecone, Weaviate)

OpenAI/DeepSeek APIs

OpenCV

Backend, Cloud & DevOps

Microservices

AWS (EC2, S3, Lambda)

Kubernetes

Docker

Kafka

RabbitMQ

Redis

NGINX

Jenkins

GitHub Actions

Experience Highlights

Principal Software Engineer (AI & SaaS Platforms)

03/2025 - Present

Sports Digitale

Building AI-native SaaS products for the sports industry. Designing the shared microservices core powering four distinct high-scale applications.

Node.js

Python

React Native

OpenCV

PostgreSQL

MongoDB

+3 more

Built AI-native SaaS products. Designed the shared microservices core powering four distinct high-scale applications, using Node.js for orchestration and Python for heavy AI workloads

Built 'Trustworthy RAG' at Scale: Solved the LLM 'hallucination' problem by building a strict pipeline that verifies answers against official club data. Used Node.js to manage Agentic workflows, ensuring users receive fact-checked info

Principal Consultant & Solutions Architect

03/2023 - Present

Fabula Labs, LLC

Delivering high-level architectural solutions for international clients using a Delaware-based LLC to facilitate seamless B2B contracting.

Node.js

Python

Rust

Unity

Unreal Engine

+4 more

B2B Consultancy via US Entity: Delivering high-level architectural solutions for international clients using my Delaware-based LLC to facilitate seamless B2B contracting

Built Custom AI & RAG Solutions: Developed domain-specific bots using Pinecone for vector search and custom MCPs (Model Context Protocols) to ingest live data feeds, ensuring context-aware answers

Senior Software Engineer (Data Governance)

07/2023 - 02/2025

Datarul

Architected a high-scale data governance SaaS platform handling 10M+ daily records with 99.9% uptime for enterprise clients.

.NET Core

Python

React

D3.js

PostgreSQL

+4 more

Architected High-Scale SaaS: Designed a data governance platform handling 10M+ daily records with 99.9% uptime. Orchestrated a polyglot stack (.NET Core, Python, Go) via Kubernetes

Solved Performance Bottlenecks: Dropped API response times from 800ms to 120ms by hunting down N+1 queries and implementing database sharding on PostgreSQL/MongoDB

View Full Resume →

Education

Hacettepe University

Master's Degree in Computer Animation and Game Technologies

Ankara, Turkey • 2020 - 2022

Hacettepe University

Bachelor's Degree in Statistics

Ankara, Turkey • 2014 - 2019

Certifications

.NET Senior Developer Assessment

Coderbyte

02/2024

AWS Serverless Architecture Specialization

Remotetechwork

03/2024

Advanced PostgreSQL Database Management

Udemy

05/2019

Languages

Turkish

Native

English

Professional Working Proficiency (C1)

Portuguese

Elementary Proficiency (A2)