Ether Solutions designs and builds software solutions tailored to your business challenges: web applications, backend & API, modernization of existing systems, and AI integration into your processes.
Java & Spring Boot · Vue & Angular · API · AI & LLM · RAG · Spring AI
Business applications, web platforms, APIs and modernization — solutions sized to your project, from SMEs to public sector organizations, including mid-sized companies, startups and associations.
Are your processes still running on spreadsheets or outdated tools? We design robust business applications, built for your organization and your teams.
Showcase websites, client portals, extranets or business platforms: we build modern, fast web interfaces designed to last.
Backend architecture, REST APIs, ERP/CRM integrations: we build solid technical foundations with Java/Spring Boot, Node.js or Python depending on your context.
Do you have an existing application to modernize, migrate or maintain? We work directly on your systems in place: migration away from legacy technologies (Java 8, PHP, Struts), corrective and evolutive maintenance, security updates. You keep control, we provide technical continuity.
Discuss my maintenance contractContext: Slow legacy system, difficult to maintain and evolve
Solution: Modernization toward a microservices architecture, progressive migration
Context: No digital portal for citizens or partners
Solution: Secure portal or extranet, GDPR and accessibility compliant
Context: Production tracking managed on spreadsheets
Solution: Tracking application connected to your ERP, real-time dashboard
Context: Need for a technical partner to build or strengthen a product
Solution: Backend/API development, technical co-development
A set of specifications, or just an idea?
Free first consultation to scope your needs, identify the right technical options and propose a realistic approach.
Talk about my projectiOS and Android from a single codebase. Applications for your customers or field teams: catalogs, order taking, mobile CRM, real-time tracking.
Artificial intelligence used when it brings real value: document processing, data extraction, business chatbots. An option, not a generic product.
Security audits of your applications, GDPR compliance, personal data protection. A legal requirement and a trust argument for your customers.
Visualize your indicators in real time. Activity, performance, business data — reliable dashboards to inform your decisions.
A technical point of contact to guide your technology choices, audit your systems and support your digital transformation.
Train your teams on digital tools, AI and development best practices. Training adapted to your level.
Solutions designed for your industry: associations, regulated professions, retailers, tradespeople — a tool suited to your business reality.
Secure hosting, domain name, SSL certificate, production deployment, CI/CD — we handle putting your project live.
We don't offer generic chatbots: we integrate AI models into your existing applications, data, APIs and business processes.
Integrating AI models into Java/Spring applications and business processes.
Making use of your documents and internal knowledge through embeddings, vector stores and RAG architectures.
Securely connecting models to your tools, APIs and company data through agentic architectures and the MCP protocol.
Setting up AI-assisted development workflows: project conventions, TDD, code review, architecture audits and security guardrails.
Ether Solutions is a software development company based in Lyon-Villeurbanne. We design, build and maintain business applications, web platforms, APIs and mobile solutions for companies and organizations that need a genuine technical partner.
We work with SMEs, mid-sized companies, IT departments, startups, public sector organizations and associations — an internal application, a legacy system overhaul, a backend and API, or a full platform.
Our approach: real technical discussions, documented and maintainable code, and support that doesn't stop at go-live.
Several years of experience on demanding information systems, put to work for projects of every size — without the overhead of a large structure.
You deal directly with the founder, a software engineer. No sales intermediary — direct, efficient communication.
Java, Spring Boot, React, Angular, microservices architecture — sustainable technical choices, documented and maintainable.
Artificial intelligence is one option among others, proposed only when it brings real value to your project.

Founder & software engineer
Over 9 years of experience on information systems and business applications, gained with major accounts — Groupama, SNCF, EDF, Volvo, BioMérieux, Worldline, APRIL, APICIL. This enterprise-grade rigor (code quality, security, availability) is now put to work for projects of every size.
Technical expertise
Companies the founder has worked with as a senior IT consultant, before and alongside building Ether Solutions
Websites, mobile apps, AI, management tools — a few types of projects we know how to deliver.
AI · Python · API
Automatic data extraction from documents (invoices, quotes, forms), classification and integration with your ERP or CRM.
React Native · iOS · Android
Field intervention tracking: work orders, photos, customer signature, real-time synchronization.
React · Spring Boot · PostgreSQL
Migration of a legacy application to a modern, maintainable and scalable architecture, with improved SEO and performance.
React · Node.js · Dashboard
Replacing spreadsheets with an HR, scheduling or activity-tracking application, accessible to the whole team.
Professional, industry-standard technologies, adapted to each project.
Java / Spring Boot
Backend
React / Angular
Frontend
React Native / Flutter
Mobile
GPT / Claude / AI
Artificial intelligence
Docker / Cloud
Infrastructure
PostgreSQL / MongoDB
Database
A simple, transparent process, adapted to the size of your project.
30 minutes to understand your needs, scope the project and propose the best approach.
Book a callDetailed proposal within 24h: scope, timeline and budget.
Agile development, with regular demos. You validate each step before moving to the next.
Go-live, documentation, team training and ongoing maintenance support if needed.
Based in Lyon-Villeurbanne, we support companies across France, Europe and internationally
France
Lyon · Paris · Marseille · Bordeaux · Nantes · Toulouse
Europe
Belgium · Switzerland · Luxembourg · Germany · Spain · Italy · Netherlands · United Kingdom
International
Americas · Africa · Asia · Oceania
Business application, web platform, API, modernization or maintenance: tell us about your project, and we'll respond within 24h. SMEs, mid-sized companies, startups, public sector organizations and associations — all structured projects are welcome.
Address
29 Rue Clément Michut, 69100 Villeurbanne
contact@ethersolutions.fr
Phone
+33 (0) 6 88 74 54 60