- Spread controlled agentic development: AI usage extended to around 80% of the team, PR reviews perceived as faster.
- Rewrote 2 business applications, now in production (.NET 8, Angular, strict TypeScript).
Florian Lefevre
Tech Lead / Engineering Manager hands-on
Angular · TypeScript strict · NestJS · Architecture applicative · Qualité & delivery
Tech Lead, with hands-on Engineering Manager experience, focused on architecture and delivery, with 15+ years of experience on business web applications built with Angular, strict TypeScript and NestJS. I have structured and grown development teams and modernised critical business applications across media, real estate, agrifood, banking and telecoms, aligning code quality with business needs. I now put agentic development to work for team quality and delivery speed.
Florian Lefevre
Tech Lead / Engineering Manager hands-on
Angular · TypeScript strict · NestJS · Architecture applicative · Qualité & delivery
Tech Lead, with hands-on Engineering Manager experience, specialised in the design, development and evolution of business web applications, with deep expertise in Angular, strict TypeScript and NestJS.
I help teams with application architecture, code quality, reviews, delivery and upskilling, while maintaining hands-on involvement in technical decisions.
I integrate AI assistance — including Claude Code, GitHub Copilot, agents and skills — as a lever for analysis, development, documentation and continuous improvement, while retaining full ownership of engineering decisions.
Operational summary
Design and delivery of business web applications, from scoping to production.
Design of modular foundations, structural decisions, modern/legacy coexistence.
TypeScript strict, ESLint, code review, CI/CD pipelines and delivery reliability.
Team coaching, structured code reviews, technical trade-offs.
Scope planning, prioritisation and risk management with product and stakeholders.
Managing 3 to 7 developers, hiring, agile rituals and upskilling.
Crédit Agricole Nord Midi-Pyrénées is a regional bank of the Crédit Agricole group. Thousands of legacy applications being rebuilt, from Excel macros to .NET applications spanning dozens of pages.
Agentic Fullstack Developer in a team of a dozen developers, with no formal lead role.
Objective: deliver new .NET 8 and Angular 16 applications quickly in a tightly constrained banking environment: no software installation, restricted catalogue of AI models.
Impact: brought controlled agentic development to the team and delivered two business applications, over a three-month engagement.
Environment : Angular, TypeScript, RxJS, .NET 8, C#, GitHub Copilot Enterprise, Git (GitLab), ESLint, Prettier, Confluence, SQL Server
Agentic development
Building applications from scratch
Best practices & quality
Results:
Blue Whale is France's leading apple exporter. Founded in 1950 and based in Montauban, the group brings together close to 300 growers and over 100 employees. It sells around 300,000 tonnes of fruit per year — 17% of French apple production — for close to €300M in revenue.
Tech Lead on a management and sales ERP for agricultural products, used by around fifty users, in a complex legacy environment mixing Angular, Java/Spring 2, PowerBuilder, Oracle 9, Tomcat and ageing Windows Server infrastructure.
The objective of the engagement was to progressively modernise the application foundation, strengthen development practices and secure delivery, while keeping the existing system in production.
Impact: modernised a business legacy ERP without service interruption (display speed perceived as around 50% faster, after UX/UI optimisation and fewer redundant calls), with strengthened quality practices, secured delivery and hands-on support for the team.
Environment : Angular, Angular Material, DevExtreme, TypeScript, RxJS, NgRx, NX, Java, PowerBuilder, Node.js scripts, Git (Bitbucket), Docker, ESLint, Prettier, Stylelint, GNU/Linux, Windows Server 2003, Oracle 9, PostgreSQL, Tomcat
Leadership & delivery
Frontend modernisation
Quality & technical foundation
Technical trade-offs
Results:
Founded in 2013, Joorney is an international company specialising in business plan production, notably for immigration cases (EB-5, E-2, L-1 visas). Present in the United States and France, it produces around 300 business plans a month, more than 2,500 to date, across more than 120 industries.
Engineering Manager hands-on on an internal application ecosystem dedicated to immigration business plan generation, used by around a hundred internal users, using a stack of Angular, NestJS, Nx, PHP, Node.js, Python and AWS.
Objective: move from a still-young application foundation and highly manual workflows to a structured, maintainable ecosystem capable of industrialising internal document production.
Impact: grew an international team from 3 to 7 developers and industrialised an ecosystem grown from 1 legacy application to 6 internal applications, enabling faster and more reliable business plan production.
Environment : Angular, NestJS, NodeJS, TypeScript strict, RxJS, NgRx, Nx, PHP, Symfony, Python, Git (Bitbucket / GitHub), Jira, Notion, Docker, AWS, GitHub Copilot, GNU/Linux
Team & management
Architecture & industrialisation
Modernisation & hands-on technical
Product, data & delivery
Results:
Kaliz is a proptech specialising in rental management, founded in late 2019. With around fifty employees in Toulouse, Paris and Nantes, it has raised over €22M and manages several tens of thousands of units across around a hundred cities, with a target of 50,000 units by 2027.
Tech Lead Angular on a critical real estate management application (Nx monorepo, ~80,000 lines of TypeScript, 650+ components), the backbone of business operations for around thirty users.
Held technical frontend responsibility while remaining heavily involved in development, refactoring and structural topics.
Impact: took ownership of a critical frontend, progressively reduced technical debt and improved the team's capacity to deliver reliable updates.
Environment : Angular, TypeScript strict, RxJS, NgRx, Nx, HTML, CSS, Git (Gitlab), Docker, Notion, Cypress / Playwright, Prettier, GNU/Linux
Hands-on development
Technical leadership & quality
Architecture & delivery
Results:
The Canal+ Group is a major international audiovisual player, present in more than 70 countries and counting around 40 million subscribers, with revenue of €6.26bn in 2025.
Fullstack developer then technical lead on Canal+ interfaces for set-top boxes and web platforms, in a mission-critical context with high availability, high user volumes and strict multi-platform constraints.
This long engagement built a solid production culture: performance, resilience, monitoring, cross-team coordination, high-stakes releases and large-scale operations.
Impact: built a strong production culture on a mission-critical, very high-volume application, with high-stakes releases, monitoring, cross-team coordination and high-availability constraints.
Environment : PHP, Smarty, HTML, CSS, JavaScript, MySQL, NoSQL, AngularJS, SVN, Git, Redmine, Trello, Jenkins, Jira, Confluence, Windows, GNU/Linux, Apache, Httpd, Nginx, Akamai, Amazon (AWS)
Progression: initially a fullstack PHP/Smarty developer, then technical lead and cross-team coordinator across environments, releases and structural technical projects.
Development & production
Coordination & delivery
Technical projects & lead
Results:
Full-stack Engineer, freelance, across three engagements with varied stacks.
Impact: demonstrated rapid adaptability across three very different stacks and contexts (Angular/telecom legacy, PHP/Symfony, Odoo/Python), working fully autonomously on each engagement.
Environment : Angular, PHP, Symfony, Odoo, Python, TypeScript strict, HTML, CSS, Git, GitHub, Redmine, Jira, Docker, GNU/Linux
LivingObjects is a Toulouse-based software vendor specialising in network analytics and monitoring for telecom operators, with a platform able to monitor millions of devices at Tier 1 operators. After divesting part of its activities to US-based LiveAction in 2017, the company continued developing several monitoring products.
My responsibilities:
Results:
Joorney is an international company specialising in business plan writing for immigration cases, present in the United States and France.
My responsibilities:
Results:
Scopea is a Toulouse-based cooperative and Odoo Gold partner, specialising in the integration and custom development of the Odoo open-source ERP for very small businesses and SMEs.
My responsibilities:
Results:
LiveAction is a US software vendor (Palo Alto), founded in 2007 and specialising in network performance monitoring and analytics, used by more than 750 enterprises. Its Toulouse entity stems from the 2017 acquisition of LivingObjects' monitoring business.
Senior developer on a network monitoring web application, as part of a structural AngularJS to Angular migration.
The engagement consisted of modernising the frontend foundation, overhauling development practices and improving the maintainability of an application rich in dashboards, reports and data visualisation.
Impact: made a major contribution to the AngularJS to Angular migration and standardised frontend practices on a complex network monitoring application.
Environment : Angular, AngularJS, TypeScript strict, HTML, CSS, Java, Git (Gitlab), Trello, Jira, Docker, GNU/Linux, Nginx
Results:
Engagement carried out through Ausy, an international high-tech consulting and engineering group, at LivingObjects — a Toulouse-based software vendor specialising in network analytics and monitoring for telecom operators, with a platform able to monitor millions of devices at Tier 1 operators.
Frontend developer on a network monitoring web application in AngularJS, used by several hundred users, with strong constraints around data visualisation, performance and output as customisable dashboards and reports.
My responsibilities:
Environment : AngularJS, TypeScript, HTML, CSS, Trello, Git (Gitlab), Redmine, Jira, GNU/Linux, Nginx
Results:
Inria is the French national research institute dedicated to digital science and technology.
Inria is the French national research institute dedicated to digital science and technology.
Six-month intern within the ADAM team at INRIA, on the topic Bridging Software-Oriented Architecture with the Internet of Things, focused on modelling CBRN crisis procedures using a SOA/SCA approach and BPEL orchestration.
EADS, now Airbus, was one of the world's leading aerospace, space and defence groups. Cassidian was its defence and security division.
EADS, now Airbus, was one of the world's leading aerospace, space and defence groups. Cassidian was its defence and security division.
Engineering intern at EADS Cassidian, working on the design and development of a Java/J2EE web documentation platform.
The EISTI Junior Enterprise (now CY Tech) let students carry out assignments for real client companies.
The EISTI Junior Enterprise (now CY Tech) let students carry out assignments for real client companies.
Web developer on client projects carried out through the EISTI Junior Enterprise, building client sites in PHP, HTML, CSS, vanilla JavaScript and jQuery.
Set up an experimental homelab to test architectures, automate deployments and host personal services with an Infrastructure as Code approach.
Environment: Proxmox, Terraform, Ansible, GNU/Linux.
Experiments with AI agents and Claude Code / GitHub Copilot workflows for writing assistance, code review and technical task automation.
Environment: Claude, ChatGPT, Github Copilot.
Volunteer frontend development (Vue.js) for a slow-motion film creation application.
Environment: Vue.js, HTML, CSS, GitHub, Docker, GNU/Linux.
Built a site with authentication, attendance form and data extraction scripts to Google Sheets.
Environment: React, Node.js, HTML, CSS, Git, Docker, AWS, Firebase, GNU/Linux.
Regional bank of the Crédit Agricole group: thousands of legacy applications being rebuilt.
Three-month engagement in a team of a dozen developers. Constrained banking context: no software installation, restricted AI models.
My responsibilities:
Results:
Environment : Angular, TypeScript, RxJS, .NET 8, C#, GitHub Copilot Enterprise, Git (GitLab), ESLint, Prettier, Confluence, SQL Server
1,356 / 2,000 characters
Blue Whale is France's leading apple exporter (founded in 1950, close to 300 growers, ~€300M revenue).
Its operations rely on a central agricultural ERP, used by around fifty staff.
Tech Lead on this ERP, in a complex legacy context. Stack: Angular, Java/Spring 2, 23 PowerBuilder applications, Oracle 9, ageing infrastructure.
My responsibilities:
Leadership & team
Modernisation & architecture
Quality & delivery
Results:
Environment : Angular, Angular Material, DevExtreme, TypeScript, RxJS, NgRx, NX, Java, PowerBuilder, Node.js scripts, Git (Bitbucket), Docker, ESLint, Prettier, Stylelint, GNU/Linux, Windows Server 2003, Oracle 9, PostgreSQL, Tomcat
1,540 / 2,000 characters
Joorney: a US company producing business plans for immigration cases (EB-5, E-2, L-1 visas), ~300 deliverables a month, 120+ industries.
Engineering Manager hands-on owning the full application scope (~100 staff). Stack: Angular, NestJS, Nx, PHP, Node.js, Python, AWS.
My responsibilities:
Team & management
Architecture & industrialisation
Modernisation & delivery
Results:
Environment : Angular, NestJS, NodeJS, TypeScript strict, RxJS, NgRx, Nx, PHP, Symfony, Python, Git (Bitbucket / GitHub), Jira, Notion, Docker, AWS, GitHub Copilot, GNU/Linux
1,764 / 2,000 characters
Kaliz is a rental-management proptech. Founded late 2019, over €22M raised, several tens of thousands of units managed. Operations run on a central business application.
Tech Lead Angular on this critical application (CRM, leases, billing), for around thirty staff. Foundation: Nx monorepo, ~80,000 lines of TypeScript, 650+ components.
My responsibilities:
Technical leadership & quality
Hands-on development
Architecture & delivery
Results:
Environment : Angular, TypeScript strict, RxJS, NgRx, Nx, HTML, CSS, Git (Gitlab), Docker, Notion, Cypress / Playwright, Prettier, GNU/Linux
1,713 / 2,000 characters
Full-stack Engineer, freelance across three complementary engagements, with a role blending hands-on development, code audits, technical support and delivery ownership. Work on existing applications, with strong autonomy and fast ramp-up on varied stacks.
LivingObjects - Senior Angular Developer — telecom network monitoring
LivingObjects builds network monitoring platforms for Tier 1 telecom operators, covering millions of devices.
Result: frontend practices made more consistent, onboarding eased and team made more autonomous on Angular and TypeScript strict.
Joorney - Fullstack PHP/Symfony Developer — short engagement
Joorney produces business plans for US immigration cases.
Result: technical risks identified and priority improvements delivered within a short timeframe.
Scopea - Fullstack Odoo Engineer — recurring fixed-price engagement
Scopea is an Odoo Gold partner serving very small businesses and SMEs on custom development.
Result: business modules delivered end to end, tailored to client processes, with rapid ramp-up on the Odoo/Python ecosystem.
Environment : Angular, PHP, Symfony, Odoo, Python, TypeScript strict, HTML, CSS, Git, GitHub, Redmine, Jira, Docker, GNU/Linux
1,835 / 2,000 characters
LiveAction is a US software vendor (Palo Alto), founded in 2007, specialising in network performance analytics. Its product is used by more than 750 enterprises. Its Toulouse entity stems from the 2017 acquisition of LivingObjects' monitoring business.
Senior Angular developer on the structural migration of the application from AngularJS to Angular. Mission centred on rebuilding the frontend foundation, improving its maintainability and modernising practices.
Results:
Environment : Angular, AngularJS, TypeScript strict, HTML, CSS, Java, Git (Gitlab), Trello, Jira, Docker, GNU/Linux, Nginx
1,311 / 2,000 characters
Engagement carried out through Ausy, an international consulting and engineering group, at LivingObjects — a Toulouse-based software vendor specialising in network analytics and monitoring for telecom operators. Its platform monitors millions of devices at Tier 1 operators.
AngularJS developer on interfaces with strong visualisation and performance constraints: dashboards and customisable reports.
My responsibilities:
Results:
Environment : AngularJS, TypeScript, HTML, CSS, Trello, Git (Gitlab), Redmine, Jira, GNU/Linux, Nginx
1,106 / 2,000 characters
The Canal+ Group is a major international audiovisual player (70+ countries, around 40 million subscribers). Engagement carried out through Omnilog, on set-top box and web interfaces.
Fullstack developer then technical lead on consumer-facing interfaces, in a critical, highly exposed production environment.
Results:
Environment : PHP, Smarty, HTML, CSS, JavaScript, MySQL, NoSQL, AngularJS, SVN, Git, Redmine, Trello, Jenkins, Jira, Confluence, Windows, GNU/Linux, Apache, Httpd, Nginx, Akamai, Amazon (AWS)
1,445 / 2,000 characters
Inria is the French national research institute for digital science and technology. Within the ADAM team: service-oriented architectures, distributed systems and the Internet of Things.
6-month research internship on Bridging Software-Oriented Architecture with the Internet of Things. Modelled CBRN crisis procedures with a SOA/SCA approach, orchestrated interactions via BPEL.
579 / 2,000 characters
EADS, now Airbus, was one of the world's leading aerospace, space and defence groups. Cassidian, its defence division, used many internal tools for technical documentation.
Engineering internship: designed and developed a Java/J2EE web documentation platform. Formalised its architecture and data model.
473 / 2,000 characters
The EISTI Junior Enterprise (now CY Tech) gave students assignments for real client companies. Professional, delivery-oriented setting.
Delivered first web projects in PHP, HTML, CSS, JavaScript and jQuery, from requirements to client delivery.
429 / 2,000 characters