# Shihab Sikder

> Tech Lead and full-stack AI engineer based in Dhaka, Bangladesh. HashiCorp Certified: Terraform Associate (004). Tech Lead at BinduLogic LLC (hospital management systems, HMIS, live across 15+ government facilities in Bangladesh) and former Founding Software Engineer at Everstar, a US AI startup (GraphRAG platform over 3M+ regulatory documents, 6.7TB corpus). Builds and operates his own SaaS products with 50K+ users. Top Rated on Upwork.

## Roles

- Tech Lead, BinduLogic LLC (August 2022 to present): Full hospital management platform (HMIS) live across 15+ government facilities in Bangladesh, including Dhaka Medical College (~15K patient visits/day). Covers OPD, IPD, patient management, lab billing and result automation, and hospital-wide inventory. Built the ePrescription system with LLM-assisted clinical decision support and drug-drug interaction checking, used by clinicians in production. Owns payments, government health integrations, auth and RBAC/ABAC, scheduling, and production reliability. TypeScript end to end: React, Node, PostgreSQL with Prisma, Datadog.
- Founding Software Engineer, Everstar, US AI startup (April 2024 to July 2026): Built a GraphRAG architecture over 3M+ NRC regulatory documents (6.7TB), designed for near-zero hallucination: every answer grounded in retrieved sources with attribution. Built the full ingestion pipeline in Airflow (OCR, LLM correction, embeddings), OpenSearch vector search, and the FastAPI backend. Drove the GCP to Azure migration with Terraform and Kubernetes. Largely solo, from an empty repo.
- Top Rated on Upwork: 100% Job Success across 17 jobs.

## Products

- easymanage.work: Multi-tenant ERP/CRM SaaS, built and run solo. 15+ modules (CRM, payroll, inventory, POS, analytics), granular role-based access, per-tenant subdomains, Stripe billing. Next.js, PostgreSQL, Prisma, TypeScript. https://easymanage.work
- temp-mail.lol: Disposable email SaaS, 50K+ users, 4.6 stars from 485 reviews and 50K+ downloads on Google Play (https://play.google.com/store/apps/details?id=com.tronics.tempmail). Self-hosted SMTP with real-time inbox delivery over WebSockets. Web and Android. FastAPI, Next.js, Kotlin, MongoDB. https://temp-mail.lol
- sensorcast.app: Real-time phone-sensor streaming, 1-200Hz, to ESP32, Raspberry Pi, Arduino, and web dashboards. WebSocket and JWT, BLE GATT and SPP. Web and Android, live on the Play Store with 1K+ installs (https://play.google.com/store/apps/details?id=com.tronics.sensorcast). https://sensorcast.app

## Certifications

- HashiCorp Certified: Terraform Associate (004), issued November 6, 2026, valid through November 6, 2028. Verify: https://www.credly.com/badges/36664ab1-14a8-4b90-8772-0528ebfbd23d
- IBM Cybersecurity Analyst Professional Certificate (Coursera / IBM), October 2020. Verify: https://www.credly.com/badges/82adebc7-9165-489d-895d-5b598625d9c2
- IBM IT Fundamentals for Cybersecurity Specialization (Coursera / IBM), May 2020
- Upwork Skill Certification, API Full Stack Development, May 2024
- All badges: https://www.credly.com/users/shihab-sikder

## Skills

- Languages: TypeScript/JavaScript, Python, C, C++, Dart, Java
- AI and LLM: RAG, GraphRAG, LLM routing, agentic chat, OpenSearch vector search, pgvector, LangChain, MCP
- Frontend: React, Redux/RTK, Next.js, Tailwind CSS
- Backend: Node.js, Express, NestJS, FastAPI, Flask
- Data: PostgreSQL, MongoDB, Redis, Airflow, Dagster
- Cloud and infrastructure: Terraform, Kubernetes, Docker, Azure, GCP, AWS, Ansible, Datadog
- Healthcare: HL7, OpenMRS, government Health-ID integrations

## Education

- B.Sc. in Computer Science and Engineering, Islamic University of Technology (IUT), 2019 to 2023

## Professional Profiles

- GitHub: https://github.com/arctronic
- LinkedIn: https://www.linkedin.com/in/shihab-sikder
- Upwork: https://www.upwork.com/freelancers/shihabsikder
- Stack Overflow: https://stackoverflow.com/users/12497382/shihab-sikder
- Medium: https://medium.com/@shihabsikder98
- Credly: https://www.credly.com/users/shihab-sikder
- Machine-readable resume (JSON Resume): https://tronics.dev/resume.json

## Contact

- Work with me: shihabsikder98@gmail.com
- Site alias: contact@tronics.dev
- Portfolio: https://tronics.dev