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Julien Deray

Julien Deray

Senior Engineering Manager

Lisbon, PT
+351 964 301 576
French, English, Portuguese

Background


About

About

Senior Engineering Manager with 9+ years in fintech and crypto. Scaled SwissBorg's engineering org from 30 to 70+ engineers while shipping regulatory-compliant identity systems (PSAN), gamification features, and a Series A crowdfunding platform. Advocate for aviation-inspired operational discipline—structured briefings, blameless debriefs, continuous improvement. Author and podcast host on technical leadership. Fully remote since 2021, based in Lisbon.

Work Experience

Work Experience

  • Senior Engineering ManagerSwissBorg

    Mar, 2021 - Present

    European leader in cryptocurrency investment with 900k+ users and €1.5B+ AUM. Leading multiple engineering teams in a fully remote, fast-paced scale-up environment.

    • Scaled engineering organization from 30 to 70+ engineers; personally hired dozens across multiple teams

    • Shipped SwissBorg's Series A crowdfunding platform enabling community investment

    • Led Identity team delivering continuous regulatory compliance (PSAN) amid rapidly evolving crypto legislation

    • Drove gamification initiatives on the Loyalty side of the app, increasing user engagement

    • Currently managing 3 Engineering Managers and 5 Individual Contributors across multiple squads

    • Established Kanban practices org-wide through structured training programs

  • Engineering Manager, Artos Systems

    Jan, 2020 - Nov, 202010 months

    Fast-growing SaaS company building an open protocol for ticket exchange on Ethereum. Part of the management team reporting to CTO.

    • Led a solutions team of 4 engineers focused on fast prototyping and proof-of-concept delivery for enterprise clients

    • Owned end-to-end project delivery: requirements gathering, architecture, CI/CD, production, and client relationship management

    • Created team structure, procedures, tools, and handbooks that significantly increased delivery efficiency

    • Worked directly with clients to establish requirements and maintain transparent progress communication

  • Senior Back-End Engineer & Scrum Master, Artos Systems

    Oct, 2017 - Jan, 20202 years 3 months

    First engineer at the startup, accountable for all back-end development and building the engineering team.

    • Built scalable Layer 2 solution for high-volume Ethereum transactions

    • Developed highly scalable APIs in Scala using Akka HTTP

    • Established CI/CD pipeline with Jenkins

    • Grew and coached an agile development team from 1 to 6 engineers

    • Introduced and supervised adoption of Scrum and Kanban methodologies

  • CTO & Co-Founder, Mobillity / Mespo

    Jun, 2016 - Oct, 20171 year 4 months

    Co-founded a fintech startup building a white-labelled financial advisor chatbot solution.

    • Raised £100K angel round at £1.8M valuation

    • Hired, managed, and coached a team of 7 engineers

    • Built product waitlist of 800+ customers, secured 100+ paying customers pre-launch

    • Selected for Startup Bootcamp FinTech London 2017 cohort

    • Stack: Play!/Scala/Akka, React, MongoDB, Kubernetes, ELK, Jenkins, GCP

  • Full-Stack Developer, Earlier Experience

    Sep, 2012 - May, 20163 years 8 months

    PDX (London) — Sole developer building 4 fintech web applications end-to-end. Serli (France) — Developer apprentice working with enterprise clients including insurance and education sectors; R&D projects with RedHat and Google.

Projects Experience

Projects Experience

  • Tech Ronins Podcast

    - Present

    Podcast covering technical leadership topics, interviews with engineering leaders, and discussions on building high-performing teams.

Skills

Skills

  • Domains

    Fintech

    Crypto / Web3

    Identity & Compliance (KYC/AML)

    Payments

    Platform Engineering

  • Technical

    Backend Systems

    Blockchain (Ethereum/L2)

    Cloud Infrastructure (GCP, AWS, Kubernetes)

    CI/CD

  • Methodologies

    Scrum

    Kanban

    OKRs

    Shape Up

    Lean

  • Leadership

    Org Design

    M2 Management

    Engineering Hiring

    Team Coaching

    Remote Operations

    Stakeholder Management

    Incident Management

    Briefing / Debriefing Culture

Education

Education

  • Software Engineering, Masters (Engineering School), IMT Atlantique

    Jan, 2012 - Jan, 2015

Certificates

Certificates

  • Kanban Foundation KMP 1, Kanban University

    Issued on: Jan 01, 2021

  • Certified Scrum Master, Scrum Alliance

    Issued on: Jan 01, 2018

Publications

Publications

Interests

Interests

  • Aviation Operational Culture

    Crew Resource ManagementStructured BriefingsBlameless DebriefsJust Culture
  • Leadership Reading

    Team of Teams (Stanley McChrystal)Extreme Ownership (Jocko Willink)The Coaching Habit (Michael Bungay Stanier)Radical Candor (Kim Scott)Team Topologies (Skelton & Pais)