Portfolio

Aniekan Winner Anietie- Software Engineer

Software Engineer focused on healthcare systems, fintech products, and high-performance backend delivery.

Software engineering experience: 3+ years
Retention growth delivered: 60%+
Conversion lift on core health products: 35%
Monthly visitors on led web platform: 100,000+

Profile

Professional Summary

Full-stack Software Engineer with 3+ years of experience specializing in high-performance Python backends and React frontends. Proven track record of shipping AI-integrated products that drive measurable growth (60% retention) in Fintech and Healthtech. Expert in building offline-first PWAs and scalable RAG pipelines.

I design and ship production software that balances domain reliability, clear product experience, and measurable business outcomes. My recent work spans healthcare systems, fintech operations, and AI-enabled tooling.

Current Focus

Reliable API and backend architecture for healthcare and fintech products
Offline-first, mobile-focused frontend systems for real operating conditions
AI-assisted product features including RAG, semantic search, and automation tooling
Practical engineering execution with clear release quality and delivery outcomes

Experience

Recent Roles and Outcomes

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Feb 2024 - Present

Wellahealth Technologies

Abuja, Nigeria (Remote)

Software Engineer

Building healthcare and fintech products with a strong focus on reliability, offline capability, and measurable user outcomes.

Improved user retention by 60%+ and conversion by 35% across Meditrina, Zoi, and Healthsend.
Reduced release defects by establishing consistent CI/CD practices for the web stack.

ReactTypeScriptPWAService Workers

May 2024 - Dec 2025

OpenTeams Inc

Austin, Texas (Remote)

Software Engineer

Progressed from Internship (Feb 2024 - April 2024)

Delivered production APIs and AI-assisted internal tooling, balancing system performance with developer productivity.

Improved API reliability by 45% for production web applications.
Reduced legacy API latency by 18% through targeted service optimization.

FastAPIPythonReactDuckDB

Oct 2024 - Dec 2024

InstantData

United States (Remote)

Software Engineer (Backend)

Contract

Built backend foundations for secure medical records processing, centered on compliance, reliability, and maintainable API design.

Established a robust backend architecture for ingesting and processing hospital and medical records.
Designed storage and retrieval flows for high-confidence access by healthcare professionals.

PythonFlaskPytestSoftware Infrastructure

Projects

Selected Delivery Highlights

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Product2025

SOLE (Employee Stock Option Loan Platform)

Full-Stack Engineer

Built a multi-tenant stock-loan platform with strict tenant isolation and workflow governance.

PythonFastAPISQLAlchemyAlembic

View full case study

PlatformIn ProgressIn Progress

SuperSet (Agentic Dev Orchestrator)

Engineer

Building an open source local-first orchestrator for CLI coding agents and verifier-driven automation.

PythonRustSQLiteGit Worktrees

View full case study

Product2024 - Present

PRESS (Blood Pressure Monitoring PWA)

Lead Developer

Delivered a mobile-first, offline-capable progressive web app for blood pressure tracking workflows.

ReactTypeScriptShadcn UIService Workers

View full case study

Product2024

Zoi (Data + Health Subscription Platform)

Frontend Developer

Built a disruptive health-tech product that bundles affordable data plans with essential healthcare services like telemedicine via WhatsApp and hospital cover.

ReactTypeScriptViteTailwind CSS

View full case study