Software Engineer

Nicolas Baptista

Senior Software Engineer & Software Architect

Full Stack · UI/UX · DevOps · QA · Agile

Work with me View experience
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Nicolas Baptista

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Work history

Experience

2024 – 2025
BlueCrest
Logistics
Software Engineer (Freelance) · Global mail & parcel automation · Remote
React Native Angular C#/.NET Objective-C NgRx Azure DevOps BPMN.io
Cross-platform React Native app (iOS/Android) with Microsoft Intune SDK and Objective-C bridge, deployed on App Store & Google Play. Angular web frontend with Redux (NgRx, RxJS), Kendo UI and BPMN.io for workflow management. C#/.NET backend integration. CI/CD via Azure DevOps. Agile/Scrum with distributed team (Poland).
2023
OVHcloud
Cloud
Software Engineer (Freelance) · Cloud computing & web hosting · Paris
React.JS Node.JS Stencil.JS TypeScript Playwright JEST SonarCloud
Migration of OVH Manager from Angular.JS to React.JS. Built a comprehensive design system using Stencil.JS with Storybook documentation. QA: E2E and unit testing (Playwright, Puppeteer, JEST), ESLint, SonarCloud. Agile SCRUM/Kanban, JIRA.
OVHcloud Design System OVH Manager Dashboard
2022
Echosens
Health
Software Engineer (Freelance) · Medical device software · Paris
React.JS Node.JS Electron C#/.NET TeamCity JFrog
Refactoring backend/frontend for medical device software (Electron + React.JS) for liver diagnostics — Fibroscan solution. Healthcare compliance, CI/CD with TeamCity and JFrog Artifactory. Agile SCRUM, JIRA.
2022
Dowit (Wizards Technologies)
Social Network
Software Engineer (Freelance) · Social network mobile app · Paris
React Native Node.JS GraphQL AWS S3 Swift Java
Social network mobile app (iOS/Android) with video upload to AWS S3, real-time streaming and community features. Complete UX/UI redesign following ergonomic best practices. Native modules in Swift and Java. Backend with Node.JS and GraphQL API.
2020 – 2022
Think Insurtech / AOC Insurance Broker
InsuranceHealth
Software Architect & Tech Lead (Freelance) · Health insurance SaaS · Paris La Défense
Angular React.JS Node.JS Loopback Google Cloud MySQL Docker
Think Insurtech — software for comparing expat health insurances. Migration to a SaaS multi-tenant platform. Google Cloud HIPAA environments. React.JS admin panel with KPI dashboards and CRM integration (Pipedrive). Tech Lead & architecture responsibilities.
2019 – 2020
Blocs & Compagnie
InsuranceMobility
Software Engineer · Geolocation-based car insurance · Paris La Défense
React Native React.JS Node.JS MongoDB MapBox AWS Redux Saga
Geowallet — geolocated car insurance solution with trusted third party, real-time tracking of insured vehicles. BLE beacon detection, background geolocation. Nearshore team management (Belarus) in SCRUM. AWS/Nginx, 99%+ uptime.
Geowallet — Calendar view Geowallet — Results Geowallet — Trip detail Geowallet — Web dashboard
2016 – 2019
TPBox
Translation
Full Stack Developer, DevOps & Support · Translation agency software · Paris
Perl 5 React Native MariaDB WebSocket FreeBSD REST API
France's #1 management solution for translation agencies. Memsource REST API integration with dedicated Perl module (SHA512 auth). RESTful API with MariaDB. React Native mobile app for real-time interpretation (Expo, WebSocket, push notifications). FreeBSD server administration.
TPBox — Translation management software

Side projects

Personal projects

Relations-Expert.com
2025 – now
Co-founder · Full Stack · DevOps

Online relationship coaching platform. Built with React.JS, Node.JS, MySQL, deployed on a VPS with Nginx and PM2. Full UI/UX design and E2E testing.

React.JS Node.JS MySQL Nginx PM2
Create time slot Recurring time slot Payments Sessions Messages Payments dashboard Personalization Payment methods Coach search Booking Booking details
relations-expert.com
Jimee
2020
Solo developer · UI/UX

Mobile app for managing Instagram follow/unfollow actions. React Native frontend connected to a Python backend automating interactions via the Instagram API.

React Native Python UI/UX
Jimee logo Jimee app screenshot Jimee analytics Jimee app interface
GitHub

About

The engineer
behind the code

Full-stack developer with strong expertise in designing scalable and maintainable software architectures across multiple technology stacks. I seamlessly manage both front-end applications and back-end services, from REST APIs to real-time systems. Self-driven and detail-oriented, I bring hands-on experience administering cloud infrastructure, managing databases and containerization, while delivering pragmatic and creative technical solutions.

Certifications & Education

2025 SAFe Product Owner / Product Manager (6.0)
2025 Agile Project Management & Innovation
2019 TOEIC C1 — 795/990
2017–19 Master's — Software Architecture · ESGI Paris
2016–17 Bachelor's — Computer Science & Security · IRIS Paris
2014–16 BTS — Digital Systems, Computer & Network · DORIAN Paris

Technical stack

Skills & technologies

Frontend
React.JS React Native Angular Next.JS TypeScript Redux RxJS Stencil.JS UI/UX
Backend
Node.JS Express REST API GraphQL WebSocket C#/.NET Perl 5 Python
Mobile
iOS (Swift) Objective-C Android (Java) Kotlin Expo
Cloud & DevOps
AWS Google Cloud Azure DevOps Docker CI/CD Terraform Nginx PM2
Testing & QA
JEST Playwright Puppeteer ESLint SonarCloud Detox E2E
Methodologies
Agile SCRUM SAFe POPM Kanban JIRA Tech Lead Code Review
Soft Skills
Meticulous Perfectionist Rational Communicative Consistent Adaptable Attentive Organized Collaborative Teamwork

Open to opportunities

Let's build something
together

Available for freelance projects and remote opportunities worldwide

Get in touch