Miyazaki, Japan — Engineer Visa

Shanewas Ahmed

I build production systems that don't break.

Backend Systems Engineer at SkyCom Japan. Japan Patent holder. IEEE author.

View GitHub Open to Senior/Lead roles
About

Building reliable systems at scale

Senior Backend Systems Engineer with 7+ years of experience. Currently developing low-level PDF infrastructure and cryptographic signing systems (SkyPDF) in C++ and C# on RHEL at SkyCom Japan. Patent holder and IEEE author with proven production impact. Strong focus on agentic workflows, AI automation, and design-driven development.
Track Record

What actually shipped

5
Major banks running production systems I built
2×
Throughput improvement on critical SkyPDF API
1
Japan Patent (JP 2025-169170 A) — My Number Card e-Signature
Skills

Production technologies

Languages
C++ C# / .NET Python TypeScript
Infrastructure & DevOps
Docker RHEL / Linux RPM packaging CI/CD
AI & Automation
Autonomous Agents Multi-agent Systems TensorFlow / PyTorch FastAPI
Experience

Current Role at SkyCom Japan

SkyCom Corporation
Software Engineer (Promoted to SE I)
Apr 2022 – Present · Miyazaki, Japan
Core developer on SkyPDF — low-level PDF libraries and cryptographic signing infrastructure in C++ and C# on RHEL. Designed WebAPI interfaces for document signing, rendering, and conversion. Built RPM packaging and CI/CD pipelines. Resolved critical API bottleneck delivering 2× throughput improvement in production. Filed patent JP 2025-169170 A on electronic signature using My Number Card.
Selected Projects

Agentic systems, automation & design-driven work

Hermes Agent

Production-grade autonomous AI agent system with tool use, delegation, persistent memory, and multi-agent orchestration. Designed for complex, long-running workflows with minimal human intervention.

Python Multi-agent Tool Use Docker
View repository →

ATS Resume Analyzer

ML-powered resume analysis system. Performs keyword matching, skill gap detection, and generates intelligent rewrite suggestions. Built to automate and improve recruitment workflows.

Python ML / NLP Automation
View repository →

Figma Design Generator

Design-driven automation tool that generates professional portfolio and landing page designs in Figma from structured briefs. Focuses on translating requirements into high-quality visual systems.

JavaScript Design Systems Automation
View repository →

SkyPDF — Low-level PDF Infrastructure

Core low-level PDF library and cryptographic signing system in C++ / C# on RHEL. Powers enterprise document workflows. Achieved 2× throughput improvement on critical APIs through careful systems design.

C++ C# RHEL Systems Design
Current production project at SkyCom Japan
Open to Opportunities

Target Roles

Open to Senior Backend Systems Engineer, Platform Engineer, or ML/Automation Engineer roles in Tokyo or remote. Target compensation: 7M+ JPY. Strong preference for work involving low-level systems, document infrastructure, or AI tooling.
Senior Backend / Systems Engineer
C++, .NET, Linux, production systems
ML / AI Platform Engineer
Autonomous agents, automation
Document & Workflow Infrastructure
PDF, signing, enterprise automation
Based in Miyazaki with full Engineer Visa. Open to hybrid or on-site roles in Japan (Tokyo preferred).
Research & Patents

Formal recognition

Japan Patent JP 2025-169170 A
Electronic Signature System Using My Number Card
Japan Patent Office • Filed 2025
IEEE Publication
Alzheimer’s Prediction using Deep Learning
IEEE Xplore • 2019
BSc Computer Science
BRAC University, Dhaka • 2013–2019
Contact

Let's discuss opportunities

GitHub LinkedIn shanewasahmed@gmail.com