I build production voice-AI systems, ML research that reproduces, Bangla language tools, and full-stack products.

📍 Dhaka, Bangladesh

• B.Sc. in Computer Science and Engineering — Green University of Bangladesh (Jan 2022–Dec 2025) · CGPA 3.80/4.00
• Higher Secondary Certificate (HSC) — Government Bangabandhu College (2017–2019)
• Secondary School Certificate (SSC) — S. M. Model Govt. High School (2012–2017)

• Senior AI Software Engineer @ SloanCode, New York (May 2026–Present) — Engineer a live, multi-tenant AI phone receptionist SaaS for New York restaurants and home services. Own the voice workflow (OpenAI Realtime, Twilio Media Streams), FastAPI/Redis backend, Next.js portals, CRM and kitchen flow; integrated Toast, Square and Clover POS and Stripe; added tenant-scoped roles, MFA and secret scanning. [Live Platform]
• Software Engineer @ Nuhu Labs (Aug 2026–Present) — Shipping the Linux port of Byakaron, a Bangla phonetic keyboard, on the shared Zig engine through its C ABI: IBus/Fcitx5 input method in C, GTK3 app, .deb and Flatpak packaging, Wayland CI. [nuhulabs.com]
• Founder @ Callisa (BanglaBot) (Aug 2026–Present) — AI voice and chat agents for clinics, real estate, home services and e-commerce: streaming STT → LLM → Azure TTS over Telnyx, plus web chat, WhatsApp, Messenger, SMS and calendar sync. [Live]
• Founder @ Wasilah (Sept 2026–Present) — Quran habit app built around one ayah a day (Expo, React Native, TypeScript, Supabase). Own the streak engine, offline sync, reminders and guest mode. [Live | Code]
• Machine Learning Engineer @ Brandifies (Dec 2025–Sept 2026) — Built end-to-end ML pipelines (preprocessing, features, training, evaluation), fine-tuned LLMs, implemented RAG chatbots with vector databases, and developed boosting-based predictive models (XGBoost and similar).
• Robotics Engineer Intern @ RoboTech Valley (Jul–Sept 2025) — Designed robotics modules using embedded systems and ROS for autonomous navigation.
• Teaching Assistant @ Green University of Bangladesh (May–Aug 2025) — Conducted demo classes on C Programming and Data Structures; evaluated exam scripts and prepared grade sheets.
• Programming Trainer @ Green University of Bangladesh (Jan–Dec 2025) — Trained students for competitive programming through weekly problem-solving sessions.
• Mentor @ University Mentorship Program (Jun 2023–Aug 2025) — Mentored first-year students in programming fundamentals and professional tools.

• KobitaLM: Provenance-Aware Evaluation of Adaptation, Retrieval, and Creative Diversity in Bengali Poetry Generation (Published, IEEE COMPAS 2026) [Model | Code]
• BanglaVerb-R: Explaining Bengali Verb Transitivity Classification through Leakage-Controlled Evaluation (Published, IEEE COMPAS 2026)
• FracEdge-R: Fractional-Order Edge Detection in Hazy Laparoscopic Images with Reference-Controlled Assessment (Submitted)
• IRIS: Reliability-Gated Label Acceptance and Introspective Instance Selection for Human-in-the-Loop Deep Active Learning under Imperfect Annotators (Submitted) — all 285 runs reproduce from the repo without a GPU. [Code]
• FOG-DDIM: Fractional-order spatial gradients conditioning a DDIM U-Net; 10.4% lower high-frequency spectral distance for +0.025% parameters. [Code]
• SAGE-YOLO26: Hematoma localization in porcine spinal B-mode ultrasound with YOLO26 and SAGE residual modules (LTGC, WSG, MSAA). [Code]
• Federated Learning (Ongoing) — Adaptive client selection algorithms for optimal convergence.

• Languages: C, C++, Python, Java, JavaScript, TypeScript, Zig
• AI/ML: PyTorch, TensorFlow, Scikit-learn, LangChain, VectorDB, RAG, LLM, Roboflow, XGBoost, LightGBM, CatBoost
• Voice AI: OpenAI Realtime, Twilio Media Streams, Telnyx, Azure TTS, tool-calling agents, RAG
• Web & Mobile: Django, FastAPI, Next.js, React, React Native, Expo, REST APIs, PostgreSQL, MySQL, Supabase, PWA
• Systems & Tools: Linux, IBus, Fcitx5, GTK3, Git, Docker, Celery, Redis, SQLite, Twilio, Stripe, Meta Graph API, LaTeX, Render, ROS, Arduino, Raspberry Pi, Jetson, ESP32, Azure, DigitalOcean

• SloanCode AI Receptionist — Live multi-tenant AI phone receptionist for restaurants and home services (FastAPI, PostgreSQL, Redis, Twilio Media Streams, OpenAI Realtime, POS integrations). [Live]
• Callisa (BanglaBot) — Four ready-made voice and chat agents (clinic, real estate, home services, e-commerce) on one platform, across phone, web chat, WhatsApp, Messenger and SMS. [Live]
• Wasilah — Quran habit app with a streak engine that survives timezone changes, DST, offline reads and clock jumps; 223 tests. [Live | Code]
• Byakaron for Linux — Bangla phonetic keyboard: IBus/Fcitx5 input method, GTK3 app, .deb and Flatpak releases. [Nuhu Labs]
• samimreza.me — Personal site with portfolio, writing, and a Groq-streamed AI chat that answers as me (Next.js, TypeScript). [Live | Code]
• IRIS — Human-in-the-loop active learning under noisy annotators on Fashion-MNIST, BloodMNIST and CIFAR-10 (PyTorch). [Code]
• KobitaLM — Fine-tuned Gemma 2 9B with LoRA and RAG for Bengali poetry. [Model | Code]
• TrueDoc — Digital document attestation in Bangladesh with QR verification, role-based access, JWT auth, and BDT payments. [Code]
• GoUp — Lead Ads automation: Meta pages/forms via API and webhooks, SMS follow-ups with Celery & Redis. [Code]
• WeCare — Offline-first PWA for rural healthcare with AI-assisted triage (FastAPI, Ollama/Qwen3-VL, MySQL). [Code]
• Mazaya Invoice Generator — Bilingual (English/Arabic) Saudi tax invoices with ZATCA QR codes and A4 PDF export (Next.js). [Code]
• Hourly — Freelancer time tracker with proof of work: Electron + Next.js + Supabase. [Code]
• ABID AK Expense Portal — Expense, VAT, payroll, invoices, and audit log. [Code]
• CoWork — Coworking-space booking REST API from an ICT Fest hackathon. [Code]
• Cirrhosis Outcome Prediction — Ensemble classifier with 55 engineered features, 14.5% accuracy gain — BAIC 2025
• Hasib Academic System — Django school workflows: admissions, attendance, notices, teachers, finance. [Live | Code]
• Union Ledger — Collaborative finance with consensus voting for deposits, loans, and investments. [Live | Code]
• Mars Rover — ROS-based autonomous navigation, computer vision, and telemetry. [Code]

• statsmodels#10187 — pass transformed through to MarkovSwitching.hessian (merged)
• tslearn#715 — fix GAK returning NaN on long time series (merged); #757 tests the PyTorch log-space GAK recursion (open)
• ziex — Emacs support (#179) and LSP/IDE fixes (#176, #181, #182) (merged)

• Champion — Intra Dept Programming Contest 2024
• 3× ICPC Regionalist — 2022, 2023, 2024
• ~1000 problems solved across online judges
• Kaggle Competitor — Active in ML competitions
• Problem Setter — Junior Programming Contests
• Participated — NCPC 2023, IUPC 2023/2024

• Vice Chancellor's and Dean's Award for Academic Excellence
• Champion, Inter Dept Programming Contest 2024
• 8th Position in BUBT Artificial Intelligence Conquest (Kaggle)
• Medalist, National IT Quiz Competition

• Prof. Dr. Md. Saiful Azad — Dean, Faculty of Science & Engineering, Green University of Bangladesh | dean@fse.green.edu.bd
• Ms. Umme Ruman — Assistant Professor, Green University of Bangladesh | ruman@cse.green.edu.bd

• 🌐 Website: https://samimreza.me
• 📧 Email: samimreza2111@gmail.com · samim@sloancode.com
• 🐙 GitHub: https://github.com/samim-reza
• 💼 LinkedIn: https://www.linkedin.com/in/samim-reza

Last updated: October 2026