Engineering Manager / Tech Lead with over 10 years of experience in web development, frontend architecture, technical leadership and team management. Proven track record delivering frontend-heavy, high-impact products. Exploring AI integration into frontend and full-stack architectures.

Born in France, Based in NYC, United States

Currently open to work! (full remote or NYC hybrid/on-site)

https://www.linkedin.com/in/agreffard/

📖 Read 12 books (8/12 so far – I take recommendations!)
🎸 Attend 12 concerts (12/12 already – I might end up with 20)
🥾 Go on 6 hikes (2/6 – late on schedule - the city can be sticky!)
🚲 Bike to work at least 50% of the days (closer to 0% at the moment)
🧗‍♂️ Reach V5 bouldering grade (currently V3-V4, chalking up!)
🇧🇷 Learn Portuguese (Você quer ser meu amigo de conversa?)

♟️ Chess player – please don’t crush me too hard
🧗‍♂️ Indoor climber – trying to be the most cliché software dev possible
🏃‍♂️ Former marathon runner – let’s give the knees a little rest

• Learning notes ⸱ 2025

  • Taking notes on books I read and things I learn.

• NY Legislative tracker ⸱ 2024

  • Sunrise movement NYC partnership. Tracking platform and call for action on progressive legislation.
  • React, JavaScript, Node.js, Mapbox, Airtable, Docker, Open States API

• Projet 89 ⸱ 2021

  • Student project mentoring. Brain-mapping experimental project for a theatre company.
  • React, Node.js, PostgreSQL, react-d3-graph, Heroku

• The Colors of NCY ⸱ 2018

  • Unconventional view of my photography project: 1 picture a day in New York City.
  • Angular, JavaScript, Python, OpenCV

• ButtleOFX ⸱ 2013

  • Open source video compositing software based on TuttleOFX framework.
  • Python, QML, PySide, OpenFX, Docker

• Leadership: Team growth | Recruitment | Mentoring | Technical strategy | 1-1s
• Agile tools: Scrum | Kanban | Jira | Phabricator
• Soft Skills: Strong focus | Problem-solving | Adaptability | Excellent communication

• JavaScript | TypeScript | React.js | Next.js | Redux | React-query | React-router | AI CopilotKit
• Jest | React Testing Library | Cypress | Puppeteer
• HTML5 | CSS3 | Emotion | Tailwind | Styled-components
• Webpack | Vite | ESLint | Prettier
• Docker | Jenkins | Bitbucket actions | Github actions
• Node.js | Express.js
• PostgreSQL | GraphQL
• Python | C++ | Qt | QML | Java

📌 Witbe (9+ years)

🔹Frontend Tech Lead | NYC (Nov 2022 to now)

• Drove frontend architecture decisions and technical debt management.
• Implemented best practices for frontend architecture, code quality and scalability.
• Reviewed code and provided guidance to company frontend developers to maintain high coding standards.
• Set up automated testing and CI pipelines to maintain high-quality, bug-free code.
• Developed and maintained key projects (React, TypeScript, Node.js, QML, C++, Python):
  • Agentic AI: chatbot connected to MCP servers and LLM agents for test automation
  • Remote Eye Controller: access and control devices with virtual remotes + live streaming
  • Smartgate: data visualisation platform and live alerts monitoring
  • Analyzer: data structures migration microservice
  • Workbench: node-based visual scripting and test campaigns scheduler
  • Design System: UI/UX components standardization across all company applications

🔹Engineering Manager | Paris (Jan 2020 to Nov 2022)

• Managed a cross-functional team of 6-8 engineers (frontend, backend, QA, devOps) across multiple global locations.
• Established technical goals within outlines provided by the Product Owners.
• Estimated time, resources and materials needed to develop the product.
• Facilitated Agile ceremonies (daily stand-ups, sprint planning, reviews, retrospectives, post-mortems, etc).
• Ensured effective communication between teams (R&D, design, product, QA, support).
• Performed recruitment, onboarding and evaluation of newcomers.
• Ensured coaching, mentoring, and frequent performance reviews, offering constructive feedback and action plans for the team and each team member.
• Transitioned the team to a full-remote work environment during Covid-19 lockdown.

🔹 Lead Frontend Software Engineer | Paris (2018-2020)

• Transitioned company’s key projects from desktop to web based application (React, Redux, HTML, CSS, Webpack, Node.js).
• Designed the architecture of company’s current main product.
• Onboarded and mentored interns, providing technical guidance and evaluation.

🔹 Fullstack Software Engineer | New York City (2016-2018)

• Developed video monitoring software, including node-based visual scripting, realtime screen streaming from multiple devices, remote control and live recorder on browser, mobile and desktop apps using C++, Qt/QML, JavaScript, Gstreamer.
• Created an Express.js microservice helping migrating data structures between major software versions, heavily tested with Jest.

📌 Previously

🔹 Fullstack Software Engineer | Mikros Image | Paris (2015-2016)

• Developed an end-to-end media transcoding and delivery platform for TV broadcasters using Java, JavaFX, Play! framework, LevelDB, JUnit.
• Ensured security, integrity and redundancy of sensitive data on the backend side.
• Provided monthly deliveries to our main client FranceTV.
• Showcased our software solution at IBC Amsterdam.

🔹 R&D Engineer in Computer Vision | Visual Cognitive Systems Lab | Ljubljana, Slovenia (2014)

• Graduation internship.
• Worked on state-of-the-art implementations of image recognition methods based on Fisher vectors and using Matlab, VLFeat, C++.

🔹 Python developer internship | Gymglish | Paris, France (2013)

• Various developments Python, Plone, Django.

Graduated from a Master of Engineering in Computer Science | IMAC Engineering school | Paris, France (2014)

• Specializations: programming, web development, image processing, system design, project management, communication.

https://www.linkedin.com/in/agreffard/