Custom software, shipped like a product.
Leadershift designs and builds the web, mobile and AI tools your team needs — no generic integrator, no hidden tech debt.
- 60+
- projects shipped
- 20+
- long-term clients
- 99.9%
- average uptime
- 72
- client NPS
Products built to last
From POC to scale, we own the design, the code and the production rollout.
Web applications
SaaS, client portals, internal back-offices. Next.js, TypeScript, modern databases, in-house design systems.
Mobile applications
iOS and Android with React Native or Expo. One codebase, two stores, a real native experience.
AI integration
LLMs, RAG, autonomous agents, automation. We bring AI where it actually adds value.
APIs & integrations
REST/GraphQL, ERP/CRM connectors, webhooks, queues — the infrastructure that talks to your whole stack.
Cloud & DevOps
Infrastructure as code, CI/CD, observability, security. Predictable, automated deployments.
Product design
User research, wireframes, design systems. No pretty screen without purpose, no useful feature left ugly.
Audit & rebuild
Technical audit, remediation plan, incremental rebuild without breaking production. Escaping legacy takes a plan.
Framed. Transparent. Shipped.
A four-step process that removes the unpleasant surprises.
- 01
Discover
We clarify the need, the expected ROI, the technical constraints and a realistic timeline.
- 02
Design
Architecture, mockups, interactive prototypes — validated by your real users.
- 03
Build
Two-week sprints, regular demos, systematic code review.
- 04
Ship
Deploy, monitor, transfer ownership or run dedicated maintenance.
A few recent projects
Internal platforms, SaaS products, AI integrations — always shaped around your business.
Marchés PME
Platform that helps French SMEs tap into public tenders: monitoring, targeted alerts and bid-response support.
AI Pricing
AI assistant that prices tender responses directly from RFP documents — itemised quotes generated in minutes.
Atlas Platform
Full rebuild of a route-planning tool: 42% less time spent on dispatch.
Lumen Assistant
AI assistant that summarises 12,000 archived cases. Sourced answers in under 3s.
A project that deserves better than a template?
Let's talk. First call is free, no strings attached, to assess feasibility.