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Lead Developer · Ciffreo Bona

Ciffreo Bona

ActiveFreelanceGo

Legacy stack poorly maintainable with significant technical debt. Need for scalability and reliability to support growth with real-time synchronization of stock, products and orders.

May 2025
Period
6 months
Duration
6
people
8
Technologies
Go
NestJS
Next.js
OpenSearch
Docker
PayXpert
GitHub Actions
AWS

Mission

Modern backend architecture with Go & NestJS

Integration of high-performance search engine via OpenSearch in Go

Frontend development (Next.js)

Setup of CI/CD pipelines (Docker, GitHub Actions)

ERP API connection and stock system

Payment integration via PayXpert

Regular technical consulting to team and decision makers

Challenges

Legacy stack poorly maintainable with significant technical debt

Lack of scalability and reliability to support growth

Need to synchronize stock, products and orders in real time

Complex integration with existing systems

Achievements

Significant performance improvement (latency divided by 2)

Reliable production deployment without service interruption

Documented, modular and scalable stack

Productivity gain for internal team

Key learnings

Modern backend architecture with Go and NestJS

High-performance search engine integration

Performance optimization and scalability

Robust CI/CD pipeline implementation