Senior Product Engineer @ PflegeNavi · Vienna, Austria

Aloïs Heloir

Senior Full-Stack Product Engineer

Nearly 5 years shipping production software in healthcare, e-commerce and security. I own products end to end, from architecture and delivery to deployment and first paying users. Former team lead bringing testing culture, faster CI and AI-assisted engineering to the teams I join. At home in correctness-critical domains: payments, auditability, GDPR and healthcare data.

TypeScript
React
React Native
NestJS
Elixir
PostgreSQL

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01// works.json

Senior Product Engineer

PflegeNavi

Vienna, Austria · Healthcare FinTech

Oct 2025 - Present

Build and maintain 5 production applications (3 web, 2 mobile) covering the full financial lifecycle of nursing-home residents: admission, billing, payment reconciliation. Used by care organizations including Caritas.
Designed the team's AI-assisted development workflow with Claude Code (repository context, custom commands, automated review passes), delivering features shelved a year earlier as too expensive and sharply reducing bug-fix turnaround.
Ship Elixir back-end services and TypeScript/React/React Native clients under strict correctness constraints: money movement, audit trails and healthcare data protection (GDPR).
Shape architecture decisions and code review standards across the application portfolio, partnering directly with product managers and healthcare domain experts.

ElixirTypeScriptReactReact NativeNestJSPostgreSQL

Lead Developer

Ringana

Vienna, Austria · E-commerce, €300M annual revenue

May 2024 - Sep 2025

Led a team of 5 engineers building the e-commerce platform of a direct-sales cosmetics company with roughly €300M in annual revenue.
Introduced automated testing (unit, integration, Playwright end-to-end) on projects that had none, raising coverage from 0% to 20% and catching 100+ defects before release.
Built a custom CMS as the first step in migrating content off WordPress, now used daily by 5-10 non-technical staff.
Cut CI pipeline time by 50% (10 min to 5 min) and onboarded 10+ engineers across teams onto TypeScript standards, tooling and testing practices.

TypeScriptVue.jsNestJSPlaywrightCI/CDTeam Leadership

Software Engineer

Barracuda Networks

Vienna, Austria · Enterprise network security

Nov 2023 - Apr 2024

Developed features in C++ for the CloudGen / NG Firewall enterprise security platform on Linux.
Diagnosed and resolved production incidents affecting firewall performance and reliability.

C++LinuxBashNetwork Security

Software Engineer

Mantu

Vienna, Austria · Internal platforms

Feb 2023 - Nov 2023

Designed and built an internal identity and access management (IAM) platform securing 100+ applications for 300 employees across the company's ERP ecosystem.
Migrated a 200+ component Vue 2 application to Vue 3 single-handedly in one month.
Provisioned and managed the Azure infrastructure as code (IaC) with Terraform.

C#/.NETVue 3AzureTerraformIAM

Software Engineer

Padoa

Paris, France · Occupational health SaaS

Sep 2021 - Jan 2022

Designed an asynchronous worker system for bulk Excel import/export, moving long-running jobs off the request path so the API no longer blocked under load.
Redesigned the employee history data model to support anonymization, granular permissions and employees shared across multiple companies.

Node.jsAngularPostgreSQLWebSocket

Teaching Assistant, Programming

EPITA

Paris, France

Sep 2020 - Jul 2022

Taught and mentored 600+ first-year engineering students in C++, C#, Java, JavaScript and SQL. Authored object-oriented programming exercise sets used across the cohort.

C++C#JavaJavaScriptSQLTeaching

Web Developer

CEOS-IT

Béthune, France

Aug 2019 - Jul 2020

Promoted from intern to developer. Built REST APIs and client-facing web applications in PHP and JavaScript.
Delivered an electronic document signing solution (Universign API) with an Electron desktop client, and a bulk SMS notification service on the OVH API.

PHPJavaScriptElectronREST

02// projects.json

Protocolys

Founder & engineer · Medical protocol SaaS in production

In production

Licensed and in daily production at a radiology practice (client: Imalliance), saving 30+ staff hours per week.

Schema-driven engine where each medical specialty is a configurable domain: typed fields generate the protocol card, patient form and validation workflow at runtime, so a new specialty is set up in an afternoon without a developer.
Front-desk staff resolve standard cases in under 10 seconds. Only exceptions escalate to a physician through a traceable validation circuit.
Owned architecture, product, self-hosted Docker deployment, GDPR data model and go-to-market.

SaaSHealthcareDockerGDPRProduct

charpente

Fullstack starter template

Rust/Axum API + Vue 3 SPA + Nuxt site in a single binary. Types generated end-to-end from the OpenAPI spec, cookie auth, S3 uploads, CI/CD and Docker deploy out of the box. Shipped as a Copier template so fixes propagate to generated projects.

RustAxumVue 3Nuxt 4OpenAPI

cabane

One-page starter template

The small sibling of charpente: one Nuxt 4 page, an admin dashboard behind a shared secret, SQLite in a file, same lint/test/CI/GHCR tooling and none of the infrastructure.

Nuxt 4Nuxt UISQLite

internal-linktree

Clinic portal & identity provider

Internal portal for a radiology clinic: role-based app and document directory, admin UI, and the establishment's OpenID Connect identity server (Better Auth) that other apps log in through.

Nuxt 4Better AuthOIDCSQLite

Capture CLI

Developer tooling for AI agents

Rust CLI that captures the output of long-running processes by name (dev servers, builds) so AI agents can grep, tail and read logs on demand.

RustCLIAI agents

Mini Agentic Harness

AI agent framework

A minimal agentic loop in Rust built from scratch: LLM tool calling, bash execution and autonomous multi-step workflows against a local model.

RustLLMTool calling

Protocol

Offline-first PWA

Routine-tracking app with recurring schedules, progress charts and full offline capability. Local-first, no backend.

Nuxt 4IndexedDBPWA

Bistro

SaaS starter kit

Production-ready Nuxt 4 SaaS boilerplate: Better Auth, Prisma/PostgreSQL, multi-tenancy, RBAC, Polar payments, Resend email.

Nuxt 4PrismaBetter Auth

warframe-spy

Data tool

Ranks Warframe missions by platinum profitability from the official drop table and live warframe.market trade history. Static site rebuilt server-side.

Node.jsDataStatic site

GitHub PR Comment Copier

Chrome extension

Copies GitHub PR review comments, with file paths, line numbers and code context, as AI-friendly XML in one click.

TypeScriptChrome extensionVite

Stud'Asso

Open source

Association management platform. Led a team of four.

AngularNestJS

ImalysRCP

Medical platform

PHP platform for multidisciplinary medical meetings, used for 1,000+ patients.

PHP

ZombsCastle

Mobile game

Published on Google Play.

MobileGame

03// skills.json

Languages

TypeScript
JavaScript
Elixir
Rust
C#
C++
Java
PHP
SQL

Frontend & Mobile

React
React Native
Vue.js
Nuxt
Angular
TailwindCSS
HTML5
CSS/SCSS
PWA

Backend & Data

Node.js
NestJS
Express.js
.NET
PostgreSQL
SQL Server
REST APIs
WebSocket
Async workers

Cloud & DevOps

Docker
AWS
Azure
Terraform (IaC)
GitHub Actions
CircleCI
CI/CD
Linux
Git
Nx

Testing & Quality

Playwright
TDD
Unit
Integration
End-to-end (E2E)
Code review

AI Engineering

Claude Code
GitHub Copilot
LLM tool calling
AI agents
Agentic workflows

Security & Compliance

GDPR
IAM
Access control
Audit trails
Healthcare data

Leadership

Technical leadership
Team lead
Mentoring
Onboarding
Product thinking
Agile/Scrum

Education

EPITA School of Engineering and Computer Science

Master of Science in Computer Science (Diplôme d'Ingénieur)

Paris, France · 2018 - 2023

Languages

French · Native
English · Fluent, daily working language (TOEIC 975/990)

04// testimonials.json

It is my pleasure to recommend Alois Heloir as an exceptional software developer. From the moment Alois joined our team, his outstanding technical skills significantly elevated our group's capabilities. His profound knowledge and intuitive grasp of technology are truly impressive. Alois possesses an exceptional understanding of agile methodologies, particularly Scrum. He seamlessly integrates his operational activities with a comprehensive knowledge of modern, market-relevant applications. This combination highlights his ability to excel in a dynamic and fast-paced environment.

Fabio Diso

Product Owner

I had the pleasure of working with Aloïs, where he consistently demonstrated strong expertise in web development. Aloïs is highly skilled in several web frameworks, making him versatile and adaptable to various project needs. His ability to navigate complex technical challenges and deliver efficient, maintainable code is exceptional. Beyond his technical skills, he is a collaborative and reliable team member, always contributing positively to the team dynamic. I highly recommend Aloïs for any web development role.

Loup Dallier

Software Engineer

05// contact.json

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