Firas Sattar - Software Engineer Portfolio

Hello! I'm Firas! 🧑🏾‍💻
I build software that scales and software that matters — from HIPAA-compliant medical imaging tools to blockchain payment infrastructure. 7+ years across marketing, healthcare, and fintech. Open to new opportunities! 🚀

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Languages: (Main) Python, Java, TypeScript, HTML/CSS (Familiar) C, C#, C++, Go, Ruby, Solidity
Tools/Frameworks/Libraries: Git, FastAPI, Flask, Spring, React.js, Jupyter, numpy, pandas, fastai, PyTorch, opencv, MATLAB
Database/Search: MongoDB, PostgreSQL, Oracle, Elasticsearch
Cloud/Infrastructure: Docker, Kubernetes, Helm, AWS, GCP
Medical domain-specific: DICOM protocol, dcmtk, pydicom

Led triage team efforts in identifying recurring ticket patterns and surfacing underlying systemic issues, coordinating code fixes that resolved root causes before they escalated into widespread outages.
Resolved customer-reported defects across a full-stack TypeScript/React/Flask application by reproducing issues end-to-end, inspecting application traffic, and tracing root causes to backend Python code — delivering targeted fixes with minimal disruption.
Developed and enhanced customer-facing features spanning campaign editors, fundraising page builders, forms, and email tooling — including self-service asset deletion flows that reduced support ticket volume and improved platform autonomy for users.

Advising on software architecture & usability, building software MVPs for a small team at an early-stage startup. (Mobile app & general software architecture)

I provide 1:1 mentoring via Zoom for Python, Java, and general programming concepts. I also code your spec'd out freelance projects from scratch. Hire me on codementor.io!
Types of projects I like:
- Python scripts that solve some manual problem for your business!
- Interactive tweet bots
- Image processing/manipulation
- Deep learning/data classification

Built Java payment infrastructure connecting flagship banking software with crypto networks like Stellar and Provenance, collaborating frequently with third-party development teams to meet strict regulatory requirements.
Built a robust framework for custodial wallet management using Fortanix to handle secure creation and cycling of keys.
Increased developer team efficiency by automating CI/CD and application build workflows using GitHub Actions.

Conducted R&D on medical image de-identification, securing a $400,000 grant (SBIR 411 and 427) and delivering an AI-powered medical image anonymizer that enabled HIPAA-compliant use of patient data in cancer research applications.
Created containerized Python + FastAPI application for secure medical data transmission and retrieval using Elasticsearch, meeting sub-second performance requirements.
Contributed to a successful audit through rigorous system testing and validation efforts. (21CFR Part 11)

Created configurable call simulators for testing flagship calling app Boss Revolution Mobile.
Built and maintained Java modules within a large-scale calling app to assess customer account standing and dynamically manage service eligibility.
Inherited and maintained WebAdmin, a full-stack account management dashboard built in Typescript and React.js, adding responsive sorting and filtering features to streamline support team workflows.

Developed an Oracle database-querying application in Python for monitoring telecom network traffic and generating alerts based on traffic conditions.
Wrote Python scripts to search Call Detail Records on Unix-based systems using regex-matching.