Richard QuaicoeBackend Engineer

03Résumé

Work history

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Backend engineer with experience building scalable, production-grade systems across fintech, SaaS and low-latency financial infrastructure. My work centres on reliable APIs, event-driven systems and high-availability services, mostly in Python (FastAPI, Django, Flask) and C++.

Jan 2022 to present

Morgan Stanley

Software Engineer

Low Latency Execution Systems team, Remote

  • Designed and implemented reliability mechanisms, including DNS-based failover recovery systems, to keep trading services at maximum uptime.
  • Designed an agent-based automation skill that streamlines large-scale test migration and identifies root causes of flaky tests.
  • Built an internal observability tool giving cross-project visibility into test coverage and flaky-test metrics, improving test reliability by 98%.
  • Built and maintained CI/CD pipelines for zero-downtime deployments.
  • Reimplemented 95% of critical trading engine tests covering Order Books and Smart Order Routers across FIX-based protocols.
  • Developed log rotation and remote file-transfer systems that improved observability and operational efficiency.
  • Active contributor to the Morgan Stanley Testplan in-house and open-source project.

Python, C++, FIX, Flask, Jenkins, Testplan, Bash, Linux, DevOps

Apr 2025 to present

Clarsix

Technical Lead

Fintech startup, Accra, Ghana (weekends)

  • Architected and implemented REST API endpoints across authentication, transactions, payments, chat and events.
  • Designed an escrow state machine for secure fund lifecycle management.
  • Engineered a pluggable payment processing layer integrating the Paystack API, with room for additional providers.
  • Built a real-time event system on Redis Streams and WebSockets for instant transaction updates and chat messaging.
  • Developed a multi-channel notification pipeline (email via SendGrid, SMS, push).
  • Used FastAPI TaskFlow to offload background work and keep the API responsive under concurrent load.

Python, FastAPI, PostgreSQL, SQLAlchemy, Redis, FastAPI TaskFlow, Docker

Sep 2021 to present

Turntabl Ghana Limited

Software Engineer III

Accra, Ghana

  • Implemented a high-frequency trading engine with tick-to-trade latency under 5 milliseconds on stock products.
  • Supervised a team of five developers through guidance and feedback.
  • Engineered a synthetic data generator for data privacy using GAN and HMA ML algorithms with near-perfect accuracy.
  • Led my team to the finals of the company hackathon and was assigned to the Morgan Stanley Low Latency Execution team.

Microservices, Python (FastAPI, Django), SQLAlchemy, RabbitMQ, Redis, Machine learning, PostgreSQL, FIX

Aug 2020 to Aug 2021

Ministry of Food and Agriculture

Software Engineer

Accra, Ghana

  • Led infrastructure setup (MySQL, Redis, ELK stack, RabbitMQ) on Linux servers to support POS system deployment and testing.
  • Led a team of three to build and deploy a real-time monitoring system on Django REST Framework for agricultural resource tracking.
  • Built a log parsing service that extracted structured metrics from SMS traffic logs for better performance visibility.

Python, MySQL, ReactJS, Django, Redis, AWS, Docker, ELK, Grafana