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Yaasiin Ayeva — Product Engineer

Full-stack products, built end to end.

Web, mobile and backend, shipped end to end — across fintech, govtech, health and agri.

15+
Products shipped
5+
Years building
5
Industries
4
Countries
Illustrated side-profile portrait of Yaasiin Ayeva in a black suit

Professional Profile

Engineering with product intent

5+ years building platforms for public and private sectors — national deployments, cross-border payments and regulated data, delivered remotely.

Based in

Accra, Ghana

Focus

Full-stack · Product

Stack

React · Node · Flutter

Open to

Freelance & full-time

Professional Experience

A track record of shipping

Quality Assurance Engineer / QA Mentor

Part-time

MassKode · Remote, USA · Jan 2024 – Present

  • Lead QA for a client mobile/web platform, triaging bugs and tracing recurring root causes.
  • Mentor QA interns from onboarding through to test automation.

Associate Software Engineer

Full-time

JS Morlu LLC · Accra, Ghana · Jan 2024 – Present

  • Shipped Fixaars & Fixaars Partner to the app stores.
  • Built the Ratevora frontend (Ghana property tax) and SignalPlaybook AI.

Software Engineer & BA

Freelance

Paneotech · Johannesburg, South Africa · Jul 2023 – Jan 2024

  • Led UbuntuLink, a blockchain cross-border money-transfer platform.
  • Built e-Agriconseil+ (Togo) and Imbuto (Burundi) for agriculture ministries.

Product Owner

Freelance

YIELD · Lomé, Togo · Jan 2022 – Jan 2024

  • Led PulseHMS, a hospital system with biometric digital patient cards.
  • Contributed to Seranoun, a mobile e-learning platform with a web admin dashboard.

Software Engineer

Full-time

Calculus Solutions · Accra, Ghana · Mar 2023 – Jan 2024

  • Led GFCA, a bank-reconciliation system for high-volume transactions.
  • Built SMLPayroll, HR and payroll for SML Ghana.

Software Developer & IT

Full-time

Acmedias Holding · Lomé, Togo · Feb 2022 – Mar 2023

  • Built CMediaPay, an all-in-one payment platform for Togolese SMEs.
  • Built Menodji Pro, a telehealth app for consultations and prescriptions.

Java EE Software Developer

Full-time

CMPJ · Sokodé, Togo · May 2021 – Feb 2022

  • Built Labomaster, a stock system for medical-lab reagents and consumables.

Skills

Across the stack

5+ years of production judgment, shipped at AI speed.

Frontend & Mobile

  • React
  • Next.js
  • TypeScript
  • Tailwind
  • TanStack Query
  • Framer Motion
  • Flutter
  • Kotlin

Backend & APIs

  • Node.js
  • Bun
  • Elysia
  • Hono
  • Python
  • Java
  • WebSockets

Data & Infra

  • PostgreSQL
  • MongoDB
  • Redis
  • Kafka
  • Elasticsearch
  • Typesense

DevOps & Cloud

  • Docker
  • Kubernetes
  • AWS
  • GitHub Actions
  • Semaphore

AI & Workflow

  • Claude Code
  • Cursor
  • Codex
  • MCP / Agents

Selected Case Studies

Products shipped, systems that stuck

Industries

Where the work has landed

01Fintech

Payments, remittances, reconciliation

UbuntuLinkCMediaPay
02GovTech

Tax, agriculture, public services

Ratevorae-Agriconseil+
03HealthTech

HMS, telehealth, insurance

PulseHMSMenodji Pro
04AgriTech

Seed traceability, extension services

ImbutoICAT
05Enterprise

Payroll, analytics, internal tools

SMLPayrollGFCASignalPlaybook AI

Currently open to

New builds, product engineering & advisory.

Wherever you're based — let's talk.