Product engineering
End to end: discovery, architecture, build, launch, and the operations that follow. One team from the first conversation through to production.
Software engineering · Port Harcourt, Nigeria
We build software that ships, scales and stays running.
Eminent Concepts Technology Limited designs, builds and operates web, mobile and cloud products — for our own platforms and for clients who need a team that is still there after launch.
About us
A software company that operates what it builds.
Eminent Concepts Technology Limited (RC 8278868) is a software engineering company. We have been building software since 2015, and our CEO and engineering team have been shipping products for companies and clients since 2012.
We work end to end — discovery, architecture, engineering, launch, and the operations that follow. That last part is the difference. We run production systems with real users and real money moving through them, on infrastructure we manage ourselves, which means the advice we give about scale, cost and failure comes from operating it rather than reading about it.
We also train engineers — taught by the same people who build and run those systems.
- Registered
- RC 8278868Eminent Concepts Technology Limited
- Building software since
- 2015Our CEO and engineering team have been shipping products for companies and clients since 2012.
- Based in
- Port Harcourt, NigeriaWorking with clients across West Africa and the United Kingdom.
- Still running
- Products, not hand-offsThe systems below are live today, and we operate them.
What we build
Four things we do properly.
Custom-built for what the business actually needs — not assembled from a template and handed over.
Mobile & PWA
React Native and React Native Expo — store releases, over-the-air (OTA) updates and installable web apps that work on every platform.
Cloud, DevOps & scale
AWS infrastructure, load balancing and auto-scaling, CI/CD pipelines, monitoring and alerting that pages someone before the customer notices.
Payments & integrations
Payment gateways, KYC and identity verification, third-party APIs and webhooks — built for money movement, with the reconciliation to match.
Our work
Two systems we did not hand off.
Most agencies show work they delivered and left. These are both live right now, and we operate both.
Our flagship product
Game4Pay
We didn’t just build it — we run it.
Skill gaming with real stakes: eleven games, live tournaments, a multi-currency wallet, payment gateway, KYC and realtime play. Every layer is ours — the mobile app, the API, the realtime services, the admin console, and the infrastructure the whole thing runs on.
Download the Android app. Install the PWA
(progressive web app) from your browser on iPhone, iPad, Mac,
Windows or Android. Or start playing in the browser right now.
- React Native
- React Native Expo
- TypeScript
- Node.js
- MongoDB
- Redis
- Socket.IO
- AWS
Client work, still running
Fast Trac
Built by us, maintained by us, hosted by us — renewed every year since.
A logistics, freight-forwarding and procurement platform for a Liverpool company trading between the United Kingdom, Nigeria, Ghana and wider West Africa. Per-customer international shipping addresses, a live shipping calculator and quote engine, membership tiers, RORO vehicle shipping, and PayPal and SumUp payments — behind a full operations console covering packaging, shipments, orders, users, QR-coded shipping labels and barcode scanning.
- PHP
- Phalcon
- MongoDB
- PayPal
- SumUp
- AWS
Platforms & technology
What we work in.
Listed so you can check whether we already work in your stack — not to pad a page.
We deliver for
- iOS
- Android
- iPhone
- iPad
- Tablet
- Web
- PWA
- macOS
- Windows
- Linux
- Desktop
Frontend
- TypeScript
- JavaScript
- React
- Next.js
- Angular
- HTML5
- CSS
Mobile & cross-platform
- React Native (bare)
- React Native Expo (managed + React Native Web)
- PWA
- Over-the-air (OTA) updates
- Push notifications
Backend & APIs
- Node.js
- NestJS
- Express
- Golang (Gin)
- PHP Laravel
- PHP Phalcon
- Microservices
- REST APIs
- Job queues
- Socket.IO
Data & caching
- MongoDB
- MySQL
- PostgreSQL
- Redis
Platform & operations
- DevOps & CI/CD
- Docker
- Cloudflare
- Apache
- PM2
- New Relic
Security & payments
- Payment gateways
- KYC
- WebAuthn / passkeys
- Two-factor authentication
Amazon Web Services
- EC2
- S3
- RDS (PostgreSQL, MySQL)
- Lambda + AWS CDK
- SQS
- ElastiCache (Redis)
- CloudWatch
- CloudFront
- Elastic Load Balancing
- Auto Scaling
- IAM
- VPC
Engagements
Three ways to start.
These are stages, not packages — most work runs through all three, and you can join at whichever one you actually need.
Discovery & design
Before anyone writes code, we agree on what is being built and what it costs.
- Requirements and scope
- Technical architecture
- User flows and interface design
- Delivery plan and estimate
Build & launch
Engineering to production, with the release machinery in place from day one.
- Web, mobile and PWA delivery
- APIs, data model and integrations
- Payments, authentication and compliance
- App store releases and deployment
Run & scale
The part most teams skip. We keep it up, patched, observed and growing.
- Hosting and infrastructure management
- Monitoring, alerting and incident response
- Load balancing and auto-scaling
- Ongoing maintenance and feature work
Training
Taught by the team that built and runs Game4Pay.
Hands-on, project-based training in the stacks we ship with — not slide decks about them.
Frontend & web
Building interfaces that hold up in production — state, performance and accessibility included.
- TypeScript
- React
- Next.js
- Angular
- HTML5 & CSS
Backend & APIs
Services, data modelling and the operational concerns that appear once real traffic arrives.
- Node.js
- NestJS
- Express
- Golang (Gin)
- PHP Laravel
- MongoDB
- MySQL
- Redis
- Job queues
- Microservices
Mobile
Both workflows, taught as the distinct disciplines they are — from native builds to over-the-air (OTA) delivery.
- React Native (bare workflow)
- React Native Expo (managed, including React Native Web)
- App store releases
- Over-the-air (OTA) updates