Hi, I'm Andrew Mintah

Senior Engineer | Creative Problem Solver

About Me

Senior Backend Engineer with 6+ years' experience designing and delivering distributed systems, high-scale APIs and event-driven architectures within financial services. Strong track record of building cloud-native platforms, improving system reliability, and collaborating cross-functionally to deliver impactful product features. Deep expertise in large-scale transactional systems using technologies like Java, Kafka, AWS, Terraform and many others. Passionate about building resilient services, simplifying complex systems, and delivering high-quality engineering outcomes in regulated environments.

When I'm not coding, you'll find me exploring new technologies, contributing to open-source projects, or sharing my knowledge through technical writing.

Experience

Senior Engineer

Natwest Group/Bigspark2022 - Present

Designed and owned microservices powering a distributed data platform used across the bank, handling 1,000+ daily API requests with >99.9% reliability, facilitating data-driven decision making in banking operations.

Applications Engineer

Ecobank Transnational Inc.2020 - 2022

Built and integrated APIs connecting digital wallets, CRM, and loan management platforms, supporting services for 1M+ customers across 33 countries. Improved customer journeys by implementing backend integrations for account services and digital onboarding.

Integrations Engineer

Ecobank Transnational Inc.2016- 2020

Developed a centralised API gateway improving transaction throughput andreducing failure rates across multiple financial products.

Projects

Personal Banking APP

A full-featured banking backend application with account management, fund transfers, and transaction history.

JavaSpring BootMySql
View Project

Binance Streaming App

Real-time cryptocurrency price tracking app with live updates and historical data visualization.

PythonRedpanda
View Project

ETL Data Pipeline

An ETL pipeline that extracts data from a data store, transforms it, and loads it into a data warehouse for analysis.

Python
View Project

Get In Touch

I'm always open to new opportunities and collaborations. Feel free to reach out!