Locations · Paris

Software Development Company in Paris — Nearshore Engineering Teams

Senior nearshore engineering for Paris-based founders, scale-ups, and CAC 40 innovation teams. We ship AI-native SaaS on sovereign cloud (OVHcloud, Scaleway), build GDPR-clean fintech and healthtech, and integrate Mistral, OpenAI on Azure EU, and Anthropic into production. CET workday, French-law-friendly contracts via our German GmbH, three-week kickoff. From 12,000 EUR/month per role; fixed-scope MVPs from 25,000 EUR.

Paris in 2026 is the most dense software-engineering market in continental Europe outside the German-speaking belt. Station F still anchors the early-stage ecosystem with more than 1,000 startups on the Halle Freyssinet floor, Mistral AI has graduated from challenger to a strategic pillar of European AI sovereignty with Le Chat Enterprise and the Mistral Large family, and fintech leaders Qonto and Alma are scaling pan-European on Paris-built engineering. OVHcloud's listing on Euronext and the SecNumCloud qualification of its sovereign offer have made Roubaix and Gravelines credible production destinations for data that cannot legally leave EU jurisdiction. The Macron-hosted AI Action Summit at the Grand Palais in February 2025 made it explicit: France is positioning Paris as the European AI capital and is throwing public capital, GPU capacity (the Jean Zay supercomputer expansion) and procurement preference behind that bet. The downstream effect on the hiring market is brutal — senior fullstack and ML engineers in Paris are now competing offers from Mistral, H Company, Poolside, Hugging Face's Paris office and the BigTech EMEA hubs. That is the gap we close: nearshore senior teams, in your time zone, contracted cleanly, ready in three weeks.

Why nearshore beats hiring locally in Paris right now

Comp inflation is real

Confirmed fullstack engineers in Paris (4 to 7 years) clear 75,000 to 95,000 EUR all-in in 2026, seniors clear 95,000 to 110,000, and ML engineers with LLM production experience are above 120,000 EUR before equity. Add 42 percent employer charges and a 25k EUR Paris-area fully-loaded overhead and you are above 150,000 EUR per seat per year.

Time-to-hire is killing roadmaps

Wellfound, Welcome to the Jungle and AngelList France data converge on 4 to 6 months to close a confirmed senior with React + Python + cloud, and 6+ months for ML engineers. We start a vetted squad in under three weeks because the bench already exists.

CDI rigidity, not flexibility

French CDI labour law makes scaling teams down expensive and slow. A services contract through our German GmbH gives you a 30-day notice clause for ramp-down, no employer-side rupture conventionnelle exposure, and clean IP assignment compatible with French L.111-1 of the Code de la propriete intellectuelle.

What we build for Paris clients

AI-native SaaS on Mistral + OpenAI

Production RAG, multi-agent workflows, and fine-tuned LLM features using Mistral via la Plateforme, OpenAI on Azure EU regions, and Anthropic. EU AI Act documentation built in from day one, not retrofitted.

Sovereign-cloud architecture

Production deployments on OVHcloud, Scaleway, and Outscale with Terraform-managed infrastructure, EU-only data planes, and SecNumCloud-aware control mapping for clients selling to the French public sector or regulated industries.

GDPR-clean fintech & PSD2

PSD2 SCA flows, account aggregation via Powens / Bridge / Tink, KYC/KYB via Veriff / Onfido / Ubble, ledger-grade accounting, and AML rules engines for cards, lending, and B2B payment products.

Product engineering for scale-ups

React, Next.js, Vue, TypeScript on the front; Python / FastAPI / Django, Node.js, and Go on the back. PostgreSQL + Redis + Kafka the default data path. Cypress + Playwright + Pytest before merge.

Mobile + cross-platform

React Native and Flutter for shared codebases, native Swift / Kotlin where the product truly requires it. App Store and Play Store releases that pass French data-protection notice review the first time.

Fractional CTO & technical DD

Senior engineering leadership 2 to 8 days a month for Series A–C founders, plus investor-side technical due diligence for Paris VCs and corporate development teams.

Three engagement scenarios we see weekly

Scenario A: Series A fintech, 9 engineers

Qonto-style B2B fintech, 9 in-house engineers in the 11th arrondissement, two senior roles open for six months. We slot in a 4-engineer squad on the cards and ledger streams, your in-house team focuses on the regulated KYC core. Six-month engagement, 230k EUR all-in versus 540k EUR for four French CDI hires with no ramp-down option.

Scenario B: AI scale-up, 22 engineers

Post-Series-B vertical AI product. The founding team owns the core model work; we deliver the product surface (React app, agent orchestration, Mistral + Anthropic routing layer, billing, admin) so the in-house ML team stops being pulled into platform work. 5-engineer squad, 8-month engagement, productionised before the Series C close.

Scenario C: CAC 40 innovation lab

Large French enterprise, internal innovation team, needs to ship three sovereign-cloud GenAI prototypes per quarter on OVHcloud and Azure EU. Fixed-scope discovery + MVP engagements, 6 to 8 weeks each, French-law master services agreement signed once, ordered against on individual statements of work.

Stack we ship in Paris

React / Next.js TypeScript Vue / Nuxt Python / FastAPI Django Node.js / NestJS Go PostgreSQL Redis Kafka Mistral / la Plateforme OpenAI on Azure EU Anthropic LangGraph pgvector / Qdrant OVHcloud Scaleway Outscale Azure EU Terraform + Ansible

Time-zone overlap, contract entity, pricing

Full CET workday

Our delivery teams work the Paris business day in full (09:00–18:00 CET, with East-Coast US morning overlap from 15:00 CET). Standups, code review, and incident response sit inside your calendar, not against it.

Contract via German GmbH

Services agreement signed with our German limited entity (GmbH). EU-internal invoicing in EUR, reverse-charge VAT, IP assigned to the client on payment with French L.111-1 compatible language. No off-shore intermediaries on the paper trail.

From 12,000 EUR/month

Dedicated confirmed engineer from 12,000 EUR/month, senior from 14,500 EUR. Standard squad 48,000 to 62,000 EUR/month. Fixed-scope MVP from 25,000 EUR (6 to 8 weeks to production). Discovery + architecture sprint 18,000 EUR (3 weeks).

From first call to live deploy in four steps

  1. 01

    Discovery call

    30 to 45 minutes with the founder or hiring manager. We map the product, the team, the gap, and the constraint (GDPR, sovereign cloud, EU AI Act, audit timeline). You get a written scope memo within 48 hours.

  2. 02

    Squad proposal

    Within 5 business days: named engineers, CVs, GitHub or portfolio links, pricing, draft master services agreement, and a kickoff plan. No anonymous-rectangles staffing slides.

  3. 03

    Kickoff in 3 weeks

    Contracts signed, NDAs in place, accesses provisioned, repo onboarded, on-call rota agreed. First PR merged before end of week 3 on dedicated engagements.

  4. 04

    Operating cadence

    Daily standup, weekly demo, bi-weekly steering, monthly written report to the founder or sponsor. Ramp up or down with 30 days notice; no rupture conventionnelle exposure on your side.

Frequently asked questions — Paris

Why hire a nearshore software development company instead of building a Paris-based team?

Senior fullstack engineers in Paris cost 75,000 to 110,000 EUR all-in for 4 to 7 years of experience, and the search for a confirmed senior with React + Python + cloud experience routinely takes four to six months in the post-Station-F market. A YuSMP nearshore squad of three engineers plus a tech lead is operational in under three weeks, costs from 12,000 EUR per month per role-equivalent, contracts through our German GmbH on a clean services agreement with French-law-compatible IP assignment, and overlaps your Paris workday in full (CET = our working time zone).

Can you build on sovereign French cloud providers like OVHcloud or Scaleway?

Yes. We deploy production workloads on OVHcloud (Public Cloud, Bare Metal, Managed Kubernetes), Scaleway, and Outscale — the three providers with SecNumCloud or equivalent sovereignty positioning. We have shipped infra-as-code (Terraform + Ansible) on OVH for clients who needed data residency in Roubaix or Gravelines, and we know the SecNumCloud control matrix well enough to scope what realistically clears the assessment without selling false promises.

Do you handle CNIL / GDPR work for French SaaS products?

Yes. Every engagement starts with a DPA aligned to GDPR and the French CNIL guidance on subcontractors. For products handling French personal data we structure the architecture to keep the data plane in EU regions, document the processing register, write CNIL-readable user-facing notices, and prepare the technical answers for the CNIL's standard questionnaire. Where DPO support is needed beyond engineering we coordinate with the client's external DPO; we do not act as DPO ourselves.

Have you shipped AI / LLM products for French clients?

Yes — production RAG systems, multi-agent workflows, and fine-tuned LLM features. We work across the providers French companies actually pick: Mistral (Le Chat Enterprise, Mistral Large, Codestral via la Plateforme), OpenAI through Azure EU regions, Anthropic, and self-hosted Llama / Qwen on GPU-backed OVH or Scaleway when sovereignty matters. We track the EU AI Act timeline (general-purpose-AI provisions live since August 2025, high-risk obligations August 2026) and bake the documentation requirements into the build rather than retrofitting them before audit.

What does a typical Paris engagement cost and how is it priced?

Dedicated engineers are priced per role-month, from 12,000 EUR for a confirmed engineer and from 14,500 EUR for a senior. A standard squad (tech lead + 3 engineers + part-time PM/QA) lands at 48,000 to 62,000 EUR per month all-in. Fixed-scope MVPs start at 25,000 EUR for a 6 to 8 week build with a working production deploy. Fixed-scope discovery and architecture sprints are 18,000 EUR for 3 weeks. Invoicing is in EUR from our German GmbH, payment terms 14 days, no agency markup on cloud bills.

Building in Paris and short on senior engineering capacity?

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