You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Loris GuignardLG

Loris Guignard

Fractional CTO & Fullstack Software Engineer

€800/day
Paris, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
Back to original language

About Loris

Product-oriented engineer with over 15 years of experiencein designing large-scale distributed systems.

From building a mobile wallet startup (acquired by Splio) to developing marketing automation platforms serving millions of users, I combine technical excellence, business acumen, and a user-centric approach.

I design and develop complex, data-intensive applications capable of handling large volumes—specializing in distributed architectures, real-time systems, and AI workflows. My approach combines engineering rigor, UX/UI sensibility, and product vision to deliver impactful solutions.

What motivates me:Designing elegant technical solutions for complex problems, building high-performing teams, and staying at the forefront of emerging technologies—I am currently exploring agentic AI workflows and modern LLM integration patterns in HealthTech.

Key Expertise:Full-stack Engineering • Distributed Systems Architecture • AI/LLM Engineering • TypeScript/Node.js/React • Team Leadership • Product Strategy
  • French

    Native or bilingual

  • English

    Native or bilingual

  • Spanish

    Conversational

Can work on-site
Paris (up to 20km)

Experience

  • Splio
    Principal Engineer
    SOFTWARE PUBLISHING
    October 2023 - July 2025 (1 year and 9 months)
    Paris, France
    Technologies: Node.js, Golang, Python, TypeScript, React.js, MySQL, MongoDB, BigQuery, Redis, Kafka, Clickhouse…
    Leadership Fullstack Artificial Intelligence ETL Big Data
  • Splio
    VP Engineering
    October 2018 - September 2022 (3 years and 11 months)
    Paris, France
    The Splio platform combines Marketing Automation, Loyalty Engine, Mobile Wallets & WeChat, on top of data, to enable brands to orchestrate Omnichannel CRM On and Offline, ultimately driving engagement, traffic and revenue.
  • Gowento, a Splio Company
    Co-founder & CTO
    March 2014 - October 2018 (4 years and 7 months)
    Paris Metropolitan Area, France
    Currently responsible for all things tech.
    Technologies: Node.js, TypeScript, MongoDB, React.js, Redis, Kafka

Recommendations

Be the first to recommend Loris

Help this freelancer shine by sharing your experience working together.

These freelancer profiles also match your criteria

AgathaA

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

2

BaptisteB

Baptiste Duhen

Fullstack developer

4.6

(4)

5

AmedA

Amed Hamou

Senior Lead Developer

4

(2)

7

AudreyA

Audrey Champion

Web developer

4.3

(3)

4

Education

  • Engineer
    ENSIIE
    2008
    Master of Computer Science

Skill set

Categories