Etienne Licheron

Full-Stack Developer

Paris, France · Open to relocation

Full-stack developer and Epitech graduate, with experience at SmartKeyword (Cosmo5 Group) and as a freelancer, covering front-end, back-end and cloud infrastructure. Independent and rigorous, comfortable on a wide range of technical projects, from migrating existing systems to building custom tools.

Experience

Full-Stack Developer

PermanentCurrent role

SmartKeyword (Cosmo5 Group) · Paris

Sep 2025 — Present

Migrated the front-end application from Vue 2 to Vue 3 across the team's internal tools
Designed and built GEO (Generative Engine Optimization) and AIO (Google AI Overview) dashboards to track client visibility on AI search engines
Migrated a service to an ARM architecture on Kubernetes/AWS to reduce infrastructure costs
Handled and prioritized support tickets, diagnosing and fixing front-end and back-end bugs within tight deadlines
Worked in an agile (Scrum) methodology: sprints, daily stand-ups and retrospectives

Vue 3TypeScriptNode.jsKubernetesAWSClickHouse

Internship — Full-Stack Developer

Internship

SmartKeyword (Cosmo5 Group) · Paris

Mar 2025 — Sep 2025

Modernized the SEO metrics collection and distribution service: migrated analytical storage from Elasticsearch to ClickHouse, with refactoring of critical paths, retry/batching and idempotency keys
Cut requests to external providers (Google, Moz, Majestic, Semrush) by about 33% during batch collections, and removed 2,500–5,000 weekly duplicates through data normalization and deduplication
Improved the keyword tagging system to let SEO consultants analyze datasets more precisely
Designed a Figma design system (reusable components, loading/empty/error states) to prepare the front-end migration from Vue 2 to Vue 3
Worked within a Java microservices architecture orchestrated on Kubernetes/AWS, with a Kafka event pipeline for data ingestion

JavaSpring BootClickHouseKafkaKubernetesFigma

Shopify store development

Freelance

ORA Esport · Freelance — direct client engagement

May — Jun 2026

End-to-end design and development of a Shopify store: UX/UI design and a fully custom Liquid theme
Full autonomy and direct client relationship, from mockup to launch

ShopifyLiquidJavaScriptCSS

Brand integration — application development

Freelance

Eminence · Freelance — direct client engagement

Sep 2024 — Feb 2025

Built a custom, CMS-free solution for the brand integration, combining a PHP/Symfony back-end, Python scripts and SQL queries
Designed and developed an automation script to connect to the NuOrder API (Passionata) and collect data, establishing a data flow that until then did not exist in the brand's supply chain

PHPSymfonyPythonSQLAPI REST

Systems & network administration

Apprenticeship

Eminence Group · France

Aug — Dec 2021, May — Aug 2023

Managed Active Directory: creating and administering user accounts, handling permissions and groups, within the IT team
Deployed and configured cloud services on Microsoft Azure
Administered the network infrastructure: server/VM configuration, network equipment management (switches, routers, VPN) and implementation of security measures (firewall, access control)

Active DirectoryMicrosoft AzureVPNWindows Server

Skills

Languages

CC++C#JavaScriptTypeScriptPythonPHP

Front-end

ReactNext.jsVue.js (2 & 3)AngularHTMLCSSTailwind

Back-end

Node.jsNestJSJava / Spring BootPHP / Symfony

Cloud & Infra

DockerKubernetesAWSMicrosoft AzureCI/CD (Jenkins)

Data

ClickHouseSQLKafka (event pipelines)

Systems & Network

Active DirectoryNetwork infrastructure (servers, VPN, security)

AI Tools

Claude CodeMCP integrationAI workflows applied to development

Methodology

Agile / ScrumGit

Education

MSc Software Engineering

Heriot-Watt University · Edinburgh, Scotland

2023 — 2024

Expert in Information Technology degree

Epitech · Montpellier

2020 — 2025

French Baccalaureate (STMG, IT specialization)

Lycée Saint Vincent de Paul · Nîmes

Languages

French— Native
English— C1