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Emmanuel BALLERY

Chief Technology & Product Officer (CTPO)

Cognitics Engineer ENSC – Bordeaux INP · 15+ years in web engineering

Expert engineer and technical director with a dual Product/Tech culture. 15 years designing complex architectures (SaaS, ERP, high-security systems) and leading engineering teams. I have designed and operated very high-volume SaaS platforms for demanding key accounts (LVMH, Lacoste, Le Coq Sportif) — 1M+ product data points validated per day, contractual 99% SLA. I turn business challenges into robust technology roadmaps. Strong security background (ex-DGSE).

Targeting a salaried engineering leadership or software architect role; x10 stays active for freelance engagements. Based in Metz: on-site or hybrid (Metz, Luxembourg), hybrid in Paris or fully remote.

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Portrait of Emmanuel BALLERY, Chief Technology & Product Officer (CTPO)

01

Experience

  1. 2026 – Present

    Senior Full-Stack Engineer · Technical Referent

    Mevia — Alumnforce (Paris)

    Alumnforce SaaS (alumni network management, 350 institutions). Fully remote role (from Metz), deliberately focused on technical impact: member of the technical leadership committee (4 senior referents) in a shared-governance model, no central CTO.

    • Technical vision and evolution of the Alumnforce platform (architecture, scalability, security).
    • Engineering standards: CI/CD, testing, quality, observability.
    • Applied AI: built (in 1 month) an AI plugin wired to Jira, Jenkins and GitLab — resolves tickets, syncs with the product team and generates merge-ready MRs; 100% of PRs AI-assisted.
    • Cross-team technical referent (Symfony) and developer mentoring.
  2. 2023 – 2026

    Chief Technology & Product Officer (CTPO)

    Sinfin — SaaS PIM/DAM/CMS/OMS vendor (Troyes)

    Ownership of the technical strategy and modernisation of a critical, high-volume SaaS platform for Retail.

    • Stakes: technical strategy for demanding key accounts (LVMH — 1M+ product data points validated per day, Lacoste, ESTAC, Le Coq Sportif, etc.), with a contractual 99% availability SLA.
    • Management: leading and restructuring a team of 10+ engineers. Building a culture of excellence (code reviews, pair programming, standards).
    • Architecture & refactoring: full migration from a legacy stack to a modern architecture (Symfony/React/API Platform) in 4 months, progressively (client-by-client re-onboarding) with zero downtime; AWS infrastructure costs cut by over 70% (monthly bill divided by more than 3).
    • DevOps & industrialisation: CI/CD on every MR and every production tag (Docker/AWS/Azure) — delivery lead time cut from several weeks to under 24 h, on-demand deploys in under a minute, 300+ deployments over 2 years.
    • Product: aligning the technical roadmap with business goals (CTPO).
  3. 2021 – 2023

    Co-founder & CTO

    Timcity — Real-estate SaaS (Paris)

    From-scratch design of a full business ERP (rental management, property management, accounting): 26 SCCV entities of a single property developer onboarded — full accounting and construction-site tracking — in a few months.

    • Tech strategy: sovereign choices of architecture and technologies. Design of a secure RESTful API.
    • Delivery: development from MVP to production release. QA tooling and local development environment.
    • Business: direct translation of legal and accounting constraints into software features. Administrative management and general management of the company.
  4. 2015 – 2021

    Senior Web Architect & Consultant

    x10 — Clients: Orange, CNRS, Apperture, Moria, URGO

    Full-time independent practice — technical expertise, audit and complex development for key accounts, healthcare/industry and SMEs. Dual entrepreneur/engineer hat: company management, economic trade-offs and a client-ROI "quick win" culture.

    • Key accounts (Orange, recurring client since 2015): internal mapping and ticketing tools, OpenShift infrastructure maintenance.
    • Healthcare/industry (Moria, URGO via Apperture): applications meeting strict traceability standards.
    • Audit & training: code audits and performance optimisation for SMEs; lecturing at HITEMA for 3 years (4 cohorts) on modern architectures and DevOps.
  5. 2012 – 2015

    Full Stack Web Engineer / R&D

    French Ministry of Armies — DGSE (Paris)

    Technical lead of a team of around ten — design of analysis tools in a high-confidentiality environment.

    • Security: development under strong constraints (encryption, traceability, compartmentalisation).
    • Standardisation: creation of internal foundation libraries to unify the department's development.
  6. 2010 – 2012

    Full Stack Web Engineer

    Domicalis — e-health SaaS vendor (HAD)

    Design of a SaaS platform for medical care coordination in home hospitalisation.

    • Architecture & product (CTPO role): design of the platform core, integration of heterogeneous data flows (connected health devices), patient-data integrity and translation of medical needs into specifications and ergonomic UX.
    • Management: operational leadership of a team of 10, plus development processes and quality follow-up.

02

Skills

Tech

  • Backend: PHP (expert Symfony / API Platform), Node.js
  • Frontend: React, Vue.js, TypeScript
  • Data: MySQL, Redis, Elasticsearch
  • DevOps & Cloud: Docker, Kubernetes (OpenShift), Ansible, Vault, GitLab CI / GitHub Actions / Jenkins, AWS, Azure, OVH
  • AI: daily use of Claude (Claude Code) and Gemini for pair-programming, assisted code review, test generation; MCP servers, agents, semantic search (Voyage AI embeddings, pgvector)

Management & Leadership

  • Team leadership: hiring, career development, technical mentoring, performance reviews
  • Organisation: Agile methodologies, Developer Experience (DX) improvements
  • Management: budget ownership, arbitration, vendor/client relationships
  • Languages: French (native), English (professional)

Strategy & Architecture

  • Software architecture: distributed, scalable systems (high-volume SaaS), DDD
  • Tech governance: stack choices, technical-debt management, tech watch, security standards
  • Infrastructure & Ops: cloud strategy (AWS/Azure/OVH), containerisation (Docker/OpenShift/K8s), CI/CD industrialisation

Product & UX (cognitics background)

  • Product vision: CTPO role, turning business needs into technical specs
  • Quality: global testing strategy (unit, E2E, QA), web performance, accessibility