Senior technical consultant in Paris —
finance, critical systems & AI web

The Paris financial district is familiar ground: NSY’s founder spent much of his career in the technical engine rooms of major institutions — trading platforms and real-time risk computation, around La Défense. NSY now serves Paris-based players on site or remotely, at your teams’ pace.

What NSY brings to Paris teams

• Senior technical consulting — distributed architecture, Java EE / Jakarta EE migration, WildFly · JBoss EAP, OpenShift · Kubernetes, Kafka · Artemis JMS, production audits, DORA compliance. Regulated environments (ACPR, AMF, GDPR) practised from the inside.
• AI-powered website creation — for Paris companies and firms that want a site that works for them: LLM integration (Claude, OpenAI, Mistral), a chatbot grounded in your content, SEO and GEO from day one. See the offering.

A way of working that fits Paris

Consulting missions run on site (Paris, La Défense) when presence makes the difference — scoping, production incidents, team coaching — and remotely for the rest: NSY’s default working mode, proven with distributed teams. One senior counterpart, no sales layer: the person who sells the mission is the one who delivers it, with a maximum of three clients in parallel.

Who is it for?

Retail and investment banks, insurers, asset managers, fintechs — and, on the web side, Paris SMEs and firms in their AI transition. Detailed references are shared in direct conversation, within the bounds of confidentiality agreements. See Services.

A project in Paris? Describe your context — reply within 48 business hours, or use the feasibility questionnaire for a web project.