Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I'm Jean-Luc Robert, a Lead Full-Stack Engineer with 10+ years of experience designing, building and scaling web platforms. I specialize in architecture-driven product development, delivering performant, reliable systems and shaping product outcomes. I enjoy mentoring teams, improving development velocity and making complex technical decisions that align with business goals. I've worked across startups and large enterprises, from medical cloud platforms to government border systems, always putting security, compliance and data integrity at the forefront. I'm open to relocation and motivated by roles where technology and collaboration drive meaningful impact.…I'm Jean-Luc Robert, a Lead Full-Stack Engineer with 10+ years of experience designing, building and scaling web platforms. I specialize in architecture-driven product development, delivering performant, reliable systems and shaping product outcomes. I enjoy mentoring teams, improving development velocity and making complex technical decisions that align with business goals. I've worked across startups and large enterprises, from medical cloud platforms to government border systems, always putting security, compliance and data integrity at the forefront. I'm open to relocation and motivated by roles where technology and collaboration drive meaningful impact.

Jean-Luc Robert

Full Stack Developer, Web Developer, Front-End Developer, +3





I'm Jean-Luc Robert, a Lead Full-Stack Engineer with 10+ years of experience designing, building and scaling web platforms. I specialize in architecture-driven product development, delivering performant, reliable systems and shaping product outcomes. I enjoy mentoring teams, improving development velocity and making complex technical decisions that align with business goals. I've worked across startups and large enterprises, from medical cloud platforms to government border systems, always putting security, compliance and data integrity at the forefront. I'm open to relocation and motivated by roles where technology and collaboration drive meaningful impact.…I'm Jean-Luc Robert, a Lead Full-Stack Engineer with 10+ years of experience designing, building and scaling web platforms. I specialize in architecture-driven product development, delivering performant, reliable systems and shaping product outcomes. I enjoy mentoring teams, improving development velocity and making complex technical decisions that align with business goals. I've worked across startups and large enterprises, from medical cloud platforms to government border systems, always putting security, compliance and data integrity at the forefront. I'm open to relocation and motivated by roles where technology and collaboration drive meaningful impact.

Available to hire

I’m Jean-Luc Robert, a Lead Full-Stack Engineer with 10+ years of experience designing, building and scaling web platforms. I specialize in architecture-driven product development, delivering performant, reliable systems and shaping product outcomes. I enjoy mentoring teams, improving development velocity and making complex technical decisions that align with business goals.

I’ve worked across startups and large enterprises, from medical cloud platforms to government border systems, always putting security, compliance and data integrity at the forefront. I’m open to relocation and motivated by roles where technology and collaboration drive meaningful impact.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

French

Fluent

English

Fluent

Work Experience

Senior fullstack JS Developer (Medical Devices / Cloud Platform) at Echosens

July 31, 2025 - July 31, 2025

Led refactoring of the Liver Health Management app (JavaScript → TypeScript, React/MUI upgrade; Cognito/Auth0 migration). Designed & built 'LHM Research' (React/Node.js) enabling researchers, operators and sponsors to manage clinical studies (AWS Lambda, DynamoDB, DocumentDB). Implemented granular medical data access control (Euris + RBAC). Mentored developers and improved TS/Node/React maturity. Optimized front-end performance (fewer API calls, smaller bundles, Webpack→Vite). Tuned serverless back-end performance (connection pooling, smarter Lambda cold-start strategies). Ensured high software quality with Jest, Dynalite, and TeamCity CI/CD. Delivered pixel-perfect UI (Material UI, CSS) and HL7 data sync via Mirth Connect.

CTO & Co-Founder at Chappygo

August 31, 2023 - August 31, 2023

Co-founded an early-stage startup; designed the entire backend using Event Sourcing + CQRS with Kafka and multi-DB persistence (MongoDB + PostgreSQL). Built an event-driven microservices platform with projections and async workflows. Delivered the full front-end (Next.js, React, Vite) with strong UX, SEO and performance focus; integrated an NLP pipeline. Set up DevOps (GitLab, Docker-Compose) and a scalable monorepo; led product iterations and early user testing.

Senior fullstack JS developer ( Data catalog ) at Castor (Catalog)

March 31, 2023 - March 31, 2023

Improved CI/test execution for faster pipelines; tackled high-scale data catalog challenges (Snowflake, Redshift, Looker): search performance, data lineage, data export. Enhanced management of data entities (filters, updates, migrations). UI/UX fixes, and technical explorations documenting advanced approaches.

Lead developer React/Node JS (European border control) at French Ministry of the Interior, DSIC

September 30, 2022 - September 30, 2022

Redesigned and extended CTF border-control application to support EES workflows (biometrics, validation rules). Implemented data models and cross-database integrations to meet European compliance. Upgraded stack (React 16→17, Redux). Improved performance and reliability for high-volume, mission-critical operations. Mentored juniors and promoted best practices; built internal tools (Python-based statistical control) and data simulators for performance testing.

Lead frontend developer (AI powered advertising strategy) at Ermes (Redpill Group)

October 31, 2019 - October 31, 2019

Architected scalable app structure; guided frontend module development (Funnel, Insight, Data, Activation). Implemented authentication via AWS, GraphQL data server; led frontend team and trainee onboarding.

FullStack developer React/Node JS (National border control) at French Ministry of the Interior

March 31, 2019 - March 31, 2019

Redesigned CTF from scratch using DDD and TDD; trained junior developers; modular architecture with micro-app structure; implemented heavy UI features (document scanner, WebSocket data injection, IndexedDB historization, animations). Integrated Java back-end with Redux-Saga; delivered PDF export and robust error handling; established coding standards and documentation.

Frontend Developer at Prisma Media

February 28, 2018 - February 28, 2018

Created new interfaces, bug fixes, data management; implemented GraphQL integration; enhanced front-end deliverables for media publishing workflows.

Frontend Developer at Cross Quantum

January 31, 2018 - January 31, 2018

Developed the La Finbox mobile app (Finance/Wealth) with responsive UI improvements, data presentation, and front-end optimizations.

Fullstack JS Developer at Possible Future (ex French Bureau)

September 30, 2017 - September 30, 2017

Consulting assignments; architecture planning and implementation of real-time features for a construction-related POC.

Fullstack JS Developer at Atelier des Chefs

January 1, 2017 - January 1, 2017

Gift card dematerialization; implemented e-commerce improvements, close collaboration with design; SEO optimizations.

Fullstack JS/PHP Developer at N-Sens

January 1, 2016 - January 1, 2016

Web app development for multiple client projects (e-commerce, real estate, incubator apps); introduced various enhancements including payments, search, and migrations.

Fullstack JS/PHP Developer at Erashome

November 30, 2014 - November 30, 2014

Admin dashboard, search, user forms, data validations; contributed to product features for housing marketplace.

Senior/Lead fullstack JS Developer (Cloud Engineering) at Echosens

August 1, 2023 - July 1, 2025

Led cloud engineering initiatives around FibroScan, refactored core Liver Health Management app, and built 'LHM Research' for clinical studies (AWS Lambda, DynamoDB, DocumentDB). Implemented granular medical data access control (Euris + RBAC), mentored developers, improved frontend performance (reducing API calls, bundle size, migrating to Vite), optimized serverless back-end performance, and ensured high software quality with Jest/Dynalite and TeamCity. Delivered pixel-perfect UIs with Material UI and integrated HL7 data synchronization via Mirth Connect.

Lead Software Architect & Engineer at Chappygo

April 1, 2023 - August 1, 2023

Co-founded and built the MVP: designed end-to-end architecture using Event Sourcing + CQRS, Kafka and multi-DB persistence. Created an event-driven microservices platform with optimized projections and async workflows. Delivered the full frontend (Next.js, React, Vite, Styled-Components) with strong UX/SEO, integrated the NLP pipeline, and setup scalable DevOps and a monorepo. Led product iterations and early user testing.

Senior Full-Stack Developer (Data catalog) at Castor (now Catalog)

October 1, 2022 - March 1, 2023

Improved CI performance and addressed high-scale data catalog challenges (Snowflake, Redshift, Looker): search performance, data lineage, data export, and entity management. Worked on migrations, fixtures, and synchronization with external data sources. Delivered UI/UX fixes and authored technical explorations to document complex decisions.

Lead Developer (European Border Control System EES) – CTF Redesign at French Ministry of the Interior (DSIC)

April 1, 2020 - September 1, 2022

Led redesign/extension of the CTF border control application to support EES workflows (biometrics, identity verification rules, EU processes). Implemented new data models and cross-database integrations to meet European compliance, upgraded the stack (React 16→17), improved performance/reliability under strict operational constraints, mentored juniors, and delivered internal tools and data simulators for performance testing.

Lead Frontend Developer & Architectural Consultant (AI powered advertising strategy) at Ermes (Redpill Group)

May 1, 2019 - October 1, 2019

Conceptualized scalable frontend architecture and module design for an AI-driven platform (Funnel, Insight, Data, Activation). Implemented authentication via AWS, GraphQL data server, and integrated frontend with AI pipelines. Led task delegation, established CI/CD, and delivered multiple modules with strong UX and performance focus.

FullStack developer (National Border Control, CTF Redesign) at French Ministry of the Interior, DSIC

March 1, 2018 - March 1, 2019

Redesigned CTF from scratch in a fast-paced, client-facing environment. Provided technical leadership for frontend, promoted DDD/TDD practices, upgraded UI (React 16→17), and delivered features supporting biometrics and border control workflows while ensuring high reliability.

Frontend Developer/Consultant at Prisma Media

January 1, 2018 - February 28, 2018

Frontend consultant delivering new interfaces for media clients (Closer, Femmes Actuelles) with GraphQL integration, bug fixes, performance improvements, and data visualization enhancements.

Mobile App Developer at Cross Quantum

September 1, 2017 - January 31, 2018

Developed the mobile app 'La Finbox' for finance/wealth management; improved data algorithms, added data generator, implemented responsive UI, and integrated analytics tracking.

Apprentice / Fullstack JS Developer at Atelier des chefs

January 1, 2016 - January 1, 2017

Gift card dematerialization project; integrated PayPal; collaborated with design to optimize B2B pages and SEO.

Fullstack JS/PHP Developer at N-Sens

January 1, 2015 - January 1, 2016

Worked on multiple web apps, internal search tooling, migration work, and service improvements across client projects.

Senior Fullstack JS Developer (Medical Devices / Cloud Platform) at Echosens

August 1, 2023 - July 31, 2025

Led refactoring of the Liver Health Management app, built LHM Research with AWS Lambda, DynamoDB and DocumentDB, implemented granular medical data access control (RBAC), mentored developers, and improved frontend performance by migrating to Vite and reducing API calls. Ensured high quality with Jest tests and CI/CD; delivered pixel-perfect UIs and HL7 data synchronization (Mirth Connect).

Senior Fullstack JS Developer (Data Catalog) at Castor (Catalog)

October 1, 2022 - March 31, 2023

Improved CI unit test execution, addressed high-scale data catalog challenges (Snowflake, Redshift, Looker); enhanced data entity management and lineage; implemented data exports and migrations; performed UI fixes and performance improvements.

Lead Developer React/Node JS (European border control) at Ministry of the Interior (DSIC)

April 1, 2020 - September 30, 2022

Led redesign and extension of the CTF border control app to support EES workflows, added new data models, validation logic and cross-database integrations; upgraded stack (React 16→17, Redux) and delivered internal tools and performance improvements; mentored juniors and improved testing and documentation.

Lead Frontend Developer (AI-powered advertising strategy) at Ermes (Redpill Group)

May 1, 2019 - October 31, 2019

Conceptualized scalable frontend architecture for an AI-driven advertising platform; implemented module-based frontend with authentication via AWS and GraphQL data server; delivered 4 modules (Funnel, Insight, Data, Activation) and led NLP pipeline integration and monorepo setup.

FullStack Developer React/Node JS (National border control) at French Ministry of the Interior (DSIC)

March 1, 2018 - March 31, 2019

Redesigned CTF from scratch using DDD and TDD; built frontend with React/Redux; implemented heavy features (document scanner loader, WebSocket data injection, IndexedDB historization, PDF export); integrated Java back-end with Redux-Saga; standardized tooling and ensured compliance.