Web app
Fullstack web product
Build or recover a React/Next.js product with a reliable Node.js/NestJS backend, clear data flows and a base ready to evolve.
- End-to-end features shipped
- Aligned frontend and backend
- Foundation ready for next iterations
Senior JavaScript engineering - Web / Mobile / Backend
I turn product ideas into solid JavaScript platforms.
I help teams move fast without weakening their foundations: React/Next.js web, React Native/Expo mobile and Node.js/NestJS backend.
Available for high-stakes freelance engineering missions
Services
What you can hire me for
Focused engagements to unblock a product, accelerate a team or establish technical foundations that will keep holding up.
React / Next
React frontend architecture
Stabilize the web side of a product so changes become more predictable, faster and easier for the team to own.
- More coherent components
- Better controlled state and forms
- More predictable iterations
JS backend
Backend, APIs and data
Design or harden a product backend: API contracts, authentication, data, jobs and critical integrations.
- Documented REST/GraphQL contracts
- Secure auth and permissions
- Observable and testable services
Expo mobile
React Native mobile apps
Build or reinforce a React Native/Expo mobile app with clear navigation, clean API integration and a controlled build path.
- Reliable mobile foundation
- Controlled journeys and navigation
- Prepared iOS/Android builds
Selection
Concrete cases shaped as proof
Each case study isolates something useful for a recruiter or client: technical judgment, delivery rhythm, foundation quality or scale readiness.
B2B SaaS product
Fullstack SaaS platform
Fullstack architecture, API contracts, data model, product delivery
Recovered a SaaS product foundation to clarify architecture, make front/backend exchanges reliable and accelerate delivery.
Mobile product
React Native mobile app
Expo architecture, mobile journeys, API integration
React Native/Expo mobile foundation to launch quickly on iOS and Android while keeping the codebase easy to maintain.
Existing web application
JavaScript quality audit
Architecture, quality, performance and technical backlog diagnosis
Targeted audit to turn diffuse technical debt into prioritized, actionable decisions.
Process
A mission framed from day one
The point is not only to code fast: priorities must be secured, trade-offs visible and delivery free of hidden debt.
- 01
Clarify the product goal, business context, constraints and risk areas.
- 02
Turn the need into a prioritized backlog with readable acceptance criteria.
- 03
Choose architecture, API contracts, data model and key integrations.
- 04
Ship through short iterations with tests, review, CI/CD and quality tracking.
- 05
Document decisions, transfer context and prepare the next evolution.
Skills
A readable stack, deliberate choices
JavaScript foundation
Product backend
React Native mobile
Quality & delivery
Experience
End-to-end responsibility
2024
Senior Fullstack JavaScript Developer
Senior reinforcement to turn product needs into reliable delivery: framing, architecture, web/mobile/backend development and team handover.
2022 - 2024
Product engineering and JavaScript architecture
Contributions to evolving products with focus on technical decisions, feature slicing and delivery continuity.
Trust
What makes collaboration safer
A successful engagement should leave more than a feature: understandable decisions, code the team can own and momentum that can continue.
Confidential projects are anonymized to protect clients while still showing what matters: context, technical trade-offs and product impact.
Availability
Available for a high-impact mission
Especially relevant when you need to ship an MVP, reinforce a team, recover an existing codebase or secure an important technical decision.
Discuss a mission
Audit, MVP or product reinforcement