Backend Systems Built to Stay in Production
Eternia Solutions designs and builds the APIs, databases, and backend services that a business runs on. A small, focused team that takes on a limited number of projects and sees each one through to production.
- Backend, API, and database engineering
- System integration and legacy modernization
- Registered in Wyoming, USA
Engineered for Performance
Focused expertise in the parts of the stack where systems actually fail
API Architecture & Development
Design and build RESTful, GraphQL, and real-time APIs. Optimized for performance, security, and the developers who have to consume them.
Software Architecture
Strategic system design from the ground up. Microservices, monoliths, serverless — we pick the architecture that matches your business requirements and your team's size, not the one that reads best in a slide deck.
Database Engineering
PostgreSQL, MySQL, NoSQL design and optimization. Data layers that handle growth without breaking: query optimization, indexing strategies, and replication architecture.
Backend Development
Modern PHP and Node.js development with Laravel, Symfony, Express, and NestJS. Clean code, real test coverage, and deployment pipelines included.
System Integration
Connecting systems that were never designed to talk to each other. Third-party API integration, legacy modernization, and data synchronization across platforms.
Technical Consulting
Architecture reviews, performance audits, security assessments. A second opinion from people who have had to live with these decisions long-term.
Modern Tools, Proven Results
The stack we work in day to day
Backend Languages
- PHP 8.x
- Node.js
- TypeScript
- JavaScript (ES6+)
Databases
- PostgreSQL
- MySQL / MariaDB
- MongoDB
- Redis
Frameworks
- Laravel
- Symfony
- Express.js
- NestJS
API & Integration
- REST Architecture
- GraphQL
- WebSockets
- gRPC
Infrastructure
- AWS / Cloud Services
- Docker & Containers
- Kubernetes
- CI/CD Pipelines
Networking
- TCP/IP Stack
- Load Balancing
- CDN Integration
- Network Security
Eternia Solutions LLC
Eternia Solutions LLC is a small software development and IT services company registered in Wyoming, USA. We build and maintain backend systems, APIs, and integrations for businesses in the United States and Europe.
Our background is in systems that organizations depend on every working day: enterprise resource planning, business platforms, and the integrations that hold them together. That kind of work shapes how we engineer: downtime is a phone call, and a bad schema decision follows a project for years.
We keep the company deliberately small and take on a limited number of clients at a time, so every engagement gets real attention from the engineers doing the work. There are no account managers or hand-offs between the sales conversation and the people building the system.
Whether you are launching a product, scaling a platform, or untangling a legacy system, we bring hands-on experience with exactly those problems.