Open to opportunities

ayissi nke joel narcisse

@ayissinkejoelnarciss

Full-stack software engineer building scalable Java/Spring Boot and Angular platforms with performance-focused delivery.

Cameroon

Message

What I'm looking for

I’m looking to help teams ship scalable, high-performance web apps in agile environments—owning backend and frontend delivery, designing microservices/APIs, and applying DevOps practices to improve reliability and performance.

I’m a full-stack software engineer specialized in core Java, Spring Boot, and Angular, with over 5 years of experience building scalable and high-performance web applications. At DME SYSTEMS, I optimized real-time data processing and bet settlement, cutting processing time from 1 hour to 1.5 minutes, and improved user experience through faster rendering, caching, and reduced downtime.

I also design and deliver microservices—integrating payment providers like Authorize, M-Pesa, Flutterwave, Orange, MTN, Monnify, and Korapay—and led the transformation from monolith to microservices, improving performance and scalability by 90%. As a Scrum Master, I led a team of 7 and helped drive faster delivery across major projects, while my DevOps enthusiasm keeps me continuously extending my knowledge and adapting to modern development practices.

Experience

Work history, roles, and key accomplishments

Current

Software Engineer

Current

DME Systems

Jun 2021 - Present (5 years)

Optimized real-time data processing and bet settlement using Hibernate, multithreading, and JDBC batch inserts, reducing processing time from 1 hour to 1.5 minutes. Designed bonus microservices (20% user engagement uplift) and integrated payment providers to streamline transactions; also transformed a monolith to microservices (90% performance/scalability improvement) and reduced vulnerabilities b

Java Spring Boot Hibernate Microservices RabbitMQ Kafka PostgreSQL Docker