OPEN SI Tech Stack

Digital transformation consulting and custom web/mobile development for West African enterprises

Software Development Cotonou, Littoral 11–50 employees Founded 2014 Privately Held

OPEN SI is a 11–50-person consulting and development shop in Cotonou, Benin, focused on digital strategy and platform delivery. The stack (Vue, Nest.js, PostgreSQL, MongoDB, Kubernetes, GCP) reflects a modern full-stack web/mobile practice, while the hiring mix—engineering-led but balanced with sales and design—suggests they're scaling both delivery capacity and business development. Active projects span client acquisition, growth strategy, and user research, with fundraising appearing as an internal priority.

Tech Stack 39 technologies

Core StackVue Tailwind CSS Figma PostgreSQL MongoDB Linux Docker Nest.js TypeScript Go Rust gRPC Nginx Cloudflare Kubernetes Ansible Pulumi Redis Prometheus Elasticsearch Git Rollup NATS Caddy Envoy GCP Teleport Falco Open Policy Agent Iptables+9 more

What OPEN SI Is Building

◆Challenges

Acquiring new institutional clients
Expanding digital presence
Reducing client churn
Seeking funding for growth
Cash flow optimization
Raising capital
Acquiring new merchants
Increasing digital traffic
Commercial growth
Acquisition of new clients

▲Active Projects

Client outreach campaigns
Upcoming fundraising operation
Dashboard development for stakeholders
Growth strategy implementation
Online acquisition funnel construction
Product evolution coordination
User research studies
Api integration
Ui implementation from figma to vue js
Project handover

Hiring Activity

Steady15 roles · 5 in 30d

Department

Engineering

Sales

Design

Finance

Support

Seniority

Mid

Senior

Manager

Notable leadership hires: Chief Financial Officer

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About OPEN SI

OPEN SI advises and implements digital transformation for mid-market enterprises across West Africa. Services include digital innovation strategy, systems audits, application architecture, and custom web and mobile platform development. Founded in 2014 and based in Cotonou, the company operates as a privately held consulting firm with a distributed tech stack (Vue, Nest.js, Kubernetes on GCP) suited to both cloud-native client solutions and internal scaling. Current focus includes expanding client acquisition, optimizing cash flow, and pursuing growth capital.

HeadquartersCotonou, Littoral

Company Size11–50 employees

Founded2014

Hiring MarketsBenin

Frequently Asked Questions

What tech stack does OPEN SI use?

Frontend: Vue and Tailwind CSS. Backend: Nest.js, PostgreSQL, MongoDB, Go, Rust. Infrastructure: Kubernetes, Docker, GCP, Nginx, Caddy, Envoy. Observability and security: Prometheus, Elasticsearch, Falco, Open Policy Agent. Design: Figma.

Where is OPEN SI headquartered?

Cotonou, Littoral, Benin. The company was founded in 2014 and remains privately held with 11–50 employees.