Portfolio

Aniekan Winner Anietie - Software Engineer

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

3+ years

Software engineering experience

60%+

Retention growth delivered

35%

Conversion lift on core health products

100,000+

Monthly visitors on led web platform

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

Software Engineer

Wellahealth Technologies

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

Software Engineer

OpenTeams Inc

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

Software Engineer (Backend)

InstantData

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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SOLE (Employee Stock Option Loan Platform)

Full-Stack Engineer

Product

2025

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

  • - Implemented borrower eligibility and configurable down-payment flows.
  • - Built HR, Legal, and Finance workflows with staged approval and funding gates.
  • - Integrated JWT auth, RBAC + ACL, encrypted fields, and audit logging.
PythonFastAPISQLAlchemyAlembicPostgreSQLRedisTypeScriptReact

SuperSet (Agentic Dev Orchestrator)

Engineer

PlatformIn Progress

In Progress

Designing a local-first orchestrator for CLI coding agents and verifier-driven automation.

  • - Defined a handoff bundle contract for stage continuity.
  • - Implemented verifier loops for lint, test, and type gates.
  • - Added worktree-per-task isolation with persistent logs.
PythonRustSQLiteGit WorktreesPTY SessionsElectronDocker

PRESS (Blood Pressure Monitoring PWA)

Lead Developer

Product

2024 - Present

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

  • - Designed resilient offline data-entry behavior for unstable network environments.
  • - Implemented modern patient-facing UX with robust form and cache flows.
  • - Supported fraud detection pipelines for reading validation.
ReactTypeScriptShadcn UIService WorkersHealthcare Workflows

Liahona Foundation Website

Lead Developer

Client

2024

Designed and delivered the foundation website focused on outreach, donor engagement, and accessibility.

  • - Grew platform traffic to 5,000+ monthly visitors.
  • - Managed deployment, SEO, and post-launch maintenance.
HTMLCSSJavaScriptPHPSEO