💡 Senior Software Engineer | Data & Machine Learning

📍 Based in Munich, Germany
🌐 sayef.tech
💼 LinkedIn | 💻 GitHub | 🎓 Google Scholar

I am a Senior Software Engineer with expertise in Natural Language Processing (NLP) and Machine Learning (ML).
With over 5 years of industry experience, I have worked across academia, research institutes, and startups — building services and products powered by ML, CV, and NLP techniques.

Currently, I am working at Cobrainer GmbH as a Software Engineer (Data & ML), where I strengthen their AI-driven career and learning recommendation systems.
Previously, I contributed to Fraunhofer IIS as an NLP Research Engineer, focusing on fine-tuning LLMs, maintaining MLOps infrastructure, and working on OpenGPT-X.

• Senior Software Engineer (Data & ML) – Cobrainer GmbH, Munich (Aug 2025 – Present)
• Software Engineer (Data & ML) – Cobrainer GmbH, Munich (Jun 2024 – July 2025)
• NLP Research Engineer – Fraunhofer IIS, Erlangen (Jan 2022 – May 2024)
• Student Research Assistant (NLP) – Fraunhofer IIS, Nürnberg (Sep 2020 – Jan 2022)
• Werkstudent (Software Engineer) – IAV GmbH, Gifhorn (Mar 2019 – Feb 2020)
• Software Engineer – TigerIT Bangladesh Ltd, Dhaka (Jan 2016 – Nov 2021)

• OpenGPT-X – Contributed to data preprocessing pipeline for large-scale LLM training.
• Speaker Platform – NLP integration for dialogue management and NLU.
• FSNER Python Package – Implemented Example-Based Named Entity Recognition research as a Python library.
• KinderMate - Corella NLP Engine – NLP-driven dialogue engine for children’s knowledge and entertainment app.
• ALPR (Bengali) – Deep learning-based automatic license plate recognition.
• Robust Face Recognition System – PyTorch-based surveillance system for intruder detection.

• M.Sc. Applied Computer Science (Data Science) – Georg-August-Universität Göttingen, Germany (2018 – 2021)
  • Thesis: Multi-type evidence retrieval for assisting fact-verification experts
• B.Sc. Computer Science & Engineering – University of Dhaka, Bangladesh (2012 – 2016)
  • Thesis: Trajectory Analyzed Centroid Displacement for velocity measurement

• EcRD: Edge-Cloud Computing Framework for Smart Road Damage Detection and Warning
  IEEE Internet of Things Journal, 2021 – DOI: 10.1109/JIOT.2020.3024885

• 🥉 ACM ICPC (Asia Regional, Dhaka Site) – Ranked 3rd (2013) & 4th (2014) in selection contests.
• 🎖️ Represented in ACM ICPC Asia Regional finals, achieving honorable positions.

• English – C2 (Professional)
• German – B1 (Intermediate)
• Bangla – Native

Experienced: Python, PyTorch, Scikit-Learn, Transformers, MLFlow, Prefect, Git, Linux, Docker, CI/CD
Skillful: C/C++, Pandas, NoSQL, Flask, FastAPI, PostgreSQL, Redis, Kubernetes, Terraform, Elasticsearch

• Deep Learning Specialization – deeplearning.ai (Andrew Ng)
• Computer Vision for Faces – Big Vision LLC

🔗 sayef.tech | 💼 LinkedIn | 💻 GitHub | 🎓 Google Scholar

✨ Always learning, building, and exploring the intersection of AI, NLP, and real-world applications.