Md. Al-Amin Khandaker

Cybersecurity Engineer · Cryptography R&D

Berlin, Germany https://al-am.in tokhandaker@outlook.com linkedin.com/in/khandakermd github.com/eNipu Resume version: 2026-01-16

Career Objective

Pursuing advanced cryptography R&D to drive secure data processing, leveraging my academic and professional background in homomorphic encryption while expanding into post-quantum solutions.

Profile

  • PhD in Engineering with 6+ years of experience in data security and applied cryptography, specializing in homomorphic encryption, secure multi-party computation, and identity management.
  • Strong track record of bridging academic research with industrial R&D, delivering prototypes, PoCs, and secure product integrations in cloud and mobile security domains.
  • Hands-on development in C/C++, Python, and Rust; DevOps proficiency using Docker, Kubernetes, GitLab CI, and Terraform on Azure and AWS.
  • Excellent communication and team leadership skills, with proven ability to collaborate on complex cryptographic solutions across diverse, multinational teams.

Professional Experience

Cybersecurity Engineer · ITK Engineering GmbH

2024.1 - Present Berlin, Germany
  • Performed in-depth Threat Analysis & Risk Assessment, integrating cryptographic measures to comply with industry security standards (e.g., ISO/SAE 21434).
  • Developed and integrated cryptographic libraries (Mbed-TLS) across large-scale systems for secure data processing in diverse environments.
  • Prepared secure coding guidelines (aligned with SEI CERT) and performed code reviews to ensure robust security for embedded systems.

Secure Computing Engineer · EAGLYS Inc.

2020.11 - 2023 Tokyo, Japan
  • R&D on Encrypted Data Processing
  • Researched and implemented homomorphic encryption (Lifted-ElGamal on BLS curves) and secure multi-party computation for DataArmor GateDB, enabling SQL queries on encrypted data without exposing the decryption key.
  • Accelerated encryption/decryption by 17x through Rust and Python optimizations; improved system performance by 30%.
  • Identity & Access Management
  • Led design and implementation of an Attribute-Based Encryption (ABE) system, enabling fine-grained access control in cloud-based environments.
  • Secure ML & Cloud Integration
  • Advanced DataArmor GateAI to deliver encrypted AI inferences, migrating critical modules from Python to C++ for a 20% performance boost.
  • Streamlined secure CI/CD pipelines with Bazel, Skaffold, and Kubernetes.

Systems Development Engineer · Cardservice Inc.

2019.04 - 2020 Tokyo, Japan
  • Developed secure payment terminal software, focusing on cryptographic protocols and data integrity.
  • Created an in-house emulator for protocol testing between POS devices and payment gateways, improving reliability and reducing integration time.

Associate & Junior Software Engineer (iOS) · Metatude Asia Ltd.

2012.05 - 2015
  • Built and iterated on the Viadesk iOS application, implementing secure data-sharing features and caching mechanisms.
  • Contributed to the early-stage development of Coursepath, an online e-learning platform that integrates secure authentication and data flows.

Skills

Programming Languages

Python, Rust, C (focus on secure computing and cryptographic implementations).

Secure Computing & Cryptography

Public-key cryptosystems, homomorphic encryption, elliptic curves, bilinear pairings.

DevOps & Cloud

Docker, Kubernetes, GitLab CI, Terraform; Azure and AWS.

Languages

English (Fluent), Japanese (Conversational), Bengali (Native).

Soft Skills

Leadership, Technical Writing, Public Speaking.

Education

Ph.D. in Engineering · Okayama University

2015.10 - 2019 Okayama, Japan

Thesis: A Study of Efficient Pairing Computation Algorithm Using KSS Curves. Focused on optimizing finite field operations for elliptic curve pairings, with applications to attribute-based encryption and zero-knowledge proofs.

B.Sc. in Computer Science & Engineering · Jahangirnagar University

2007 - 2012 Bangladesh

GPA: 3.71/4.

Research Experience

  • Conducted research in academia and industry (6+ years) on applied cryptography, including homomorphic encryption, secure multiparty computation, and pairing-based cryptosystems.
  • Optimized Miller’s Algorithm for KSS & BLS pairing-friendly curves, benefiting cryptographic protocols (ABE, zero-knowledge proofs, etc.).
  • Built prototypes and PoCs for secure data analytics and ML models (processing over encrypted data).

Research Profiles

Google Scholar: https://scholar.google.com/citations?user=nAO6FycAAAAJ&hl=en&oi=ao ORCID: available on request

Selected Publications

  • Conference Proceedings: Progress in Cryptology, “Efficient Optimal Ate Pairing at 128-Bit Security Level”. Dec. 2017, pp. 186–205. doi:10.1007/978-3-319-71667-1_10.
  • Journal: IEICE Transactions on Discrete Mathematics, “An Improvement of Scalar Multiplication by Skew-Frobenius Map with Multi-Scalar Multiplication for KSS Curve”. pp. 1838-1845. doi:10.1587/transfun.E100.A.

Honors and Awards

  • Received Dean’s Award for excellence in PhD thesis in 2019.
  • Awarded MEXT scholarship by the Japanese government for doctoral studies in 2015.
  • The Government of Bangladesh granted a continuous merit scholarship from grade 6 to the completion of undergraduate studies in 2012.