End-to-end engineering
Mobile, backend, architecture, and CI/CD across the full delivery path.
Hi, I am Hedi Hidouri · Paris, France
Senior Software
Engineer.
I design, build, and modernize software products across mobile apps, backend services, and AI-enabled delivery workflows. My focus is simple: reliable execution, durable architecture, and secure delivery from MVP to scale.
Paris, France
Location
8+ years
Experience
Available
Freelance / consulting
01 - About
End-to-end engineering, from the mobile interface to the backend services and SDKs behind it.
I support tech, fintech, and product teams in designing, building, and modernizing reliable software products that are built to last. Across high-scale and high-constraint products (logistics, payments, mobility, banking), I help teams deliver robust mobile applications, streamline backend interactions, and structure maintainable mobile + backend architectures. End-to-end ownership: mobile, backend, architecture, CI/CD. Strong expertise in security-sensitive systems and compliance constraints. Ability to frame products technically from MVP stage to large-scale platforms. Pragmatic delivery mindset focused on production outcomes.
Mobile + backend
Android, iOS, Flutter, KMP, Ktor, Node.js, and product-focused APIs.
Durable architecture
Modular foundations that stay maintainable as the product grows.
Pragmatic delivery
Production-minded decisions focused on quality and measurable impact.
Production quality
Testing, observability, crash analytics, and release discipline.
AI-assisted delivery
Automating what makes sense without losing technical ownership.
02 - Experience
Delivery highlights
INGroupe
CurrentSenior Mobile Engineer · Apr 2025 - Present
Working across EUDI use cases end to end: Android, iOS, Flutter, React Native and KMP apps/SDKs, Ktor issuer and verifier backends, proximity verification flows, and Docker/Docker Compose environments. Scope includes wallet, issuer, verifier, age verification, digital badging, identity sharing and payment-related scenarios.
Stuart
Senior Mobile Engineer · Nov 2022 - Apr 2025
Led the modernization of Android and iOS user experiences with Flutter for a high-scale logistics platform. Developed and supervised a mobile Backend For Frontend in Node.js with endpoints tailored for app needs.
Carrefour
Mobile Development Consultant · May 2021 - Nov 2022
Contributed to large-scale evolution of Carrefour Drive and Delivery Android applications. Delivered new features and UI/UX refactors to improve fluidity, performance, and customer experience.
JCDecaux
Mobile Android / iOS Engineer · Jan 2021 - May 2021
Developed and continuously improved bike-sharing mobile apps used by over one million users. Implemented new Android and iOS features while optimizing overall app performance.
HSBC
iOS Mobile Engineer · Mar 2019 - Dec 2020
Enhanced the iOS banking application with continuous UX and functional improvements. Implemented advanced security capabilities, including biometric authentication and wallet provisioning.
Bulldozer
Mobile Software Engineer · Jul 2017 - Feb 2019
Contributed to the full mobile lifecycle: planning, development, testing, and release on Google Play and App Store. Produced technical studies and architecture designs for multi-domain client products.
03 - Expertise
Expertise & Services
01
Software Product Delivery
I build production-grade software products across mobile apps and supporting services, from scratch or through strategic refactors, with a strong focus on quality and long-term maintainability.
02
Architecture Modernization
I help teams modernize client and service architectures with durable foundations, clear module boundaries, and patterns adapted to scale and team velocity.
03
Backend & API Services
I design and implement backend and API layers tailored to product use cases, reducing client complexity and improving reliability, security, and release speed.
04
CI/CD & Release Automation
I set up and optimize delivery pipelines across mobile and backend stacks so teams can ship faster with confidence, repeatability, and strong release governance.
05
Quality, Stability & Security
I improve engineering quality with robust test strategies, observability practices, and security-first implementation standards across critical user journeys.
06
AI-Enabled Engineering & Automation
I use AI pragmatically to accelerate engineering workflows, automate repetitive tasks, and improve delivery efficiency where it creates real value.
04 - Skills
Tools of the trade
Platforms
AndroidiOSFlutterKotlin Multiplatform
Languages
KotlinSwiftDartTypeScriptJavaScriptPython
Backend
KtorNode.jsREST APIsOpenAPIBFF
Delivery
DockerDocker ComposeGitHub ActionsJenkinsFastlane
Architecture
Clean ArchitectureMVIMVVMMVP
Quality
FirebaseCrashlyticsAnalyticsObservability
06 - Contact
Available for freelance software engineering missions
I partner with product teams to deliver robust software products, streamline mobile + backend architecture, and accelerate releases. If you need senior engineering support across Android, iOS, Flutter, backend, or AI-enabled delivery, let's talk.
Available for freelance or consulting