Change your world, launch your IT career securely with Aventys

Being independent shouldn't mean being precarious. Over 500 partners trust us. Your next mission is waiting.

Simulate my salaryBrowse missions
Our mission

A freelancer's freedom, a permanent contract's benefits

Employee security

Employment contract, pension contributions, health cover and unemployment insurance: you are a fully protected employee.

Freedom at work

You choose your missions, your clients, your daily rate and your pace. Aventys never decides for you.

Income optimization

Professional expenses, employee savings, dedicated advice: we maximize your net income, fully compliant.

Hi SamiPro status
€3,625 / €5,000
Activity statusActive

Latest missions

QA, Testing & Support

QA Automation Engineer Cypress / Playwright

Plateforme marketplace

Set up the automated testing strategy of a marketplace: Playwright framework, GitLab CI integration, non-regression tests on critical journeys (payment, seller onboarding), QA team upskilling.

📍 Full remote (France/Luxembourg)Remote6 monthsCypressPlaywrightTypeScript
450550 €/dayApply now
ERP, CRM & Enterprise Software

Salesforce Sales Cloud Consultant

ETI services B2B

Sales Cloud rollout for a B2B services mid-cap: business workshops, configuration (Flows, validation rules), targeted Apex development, data migration, key user training and change management.

📍 Full remote (France)Remote8 monthsSalesforceSales CloudApex
560680 €/dayApply now
Software Development & Engineering

Java / Spring Boot Backend Developer

Acteur fonds d'investissement

Build order-processing microservices for an investment funds player: Java 21, Spring Boot 3, Kafka, load testing, high resilience requirements. Regulated context (CSSF), 2 remote days.

📍 LuxembourgHybrid12 monthsJava 21Spring BootKafka
520640 €/dayApply now
Project & Product Management

Infrastructure Project Manager / Datacenter Migration

Groupe logistique

Lead the migration of 2 datacenters to a hybrid setup (colocation + Azure): planning, coordinating infra/network/security teams, cutover windows, COMEX reporting. On-site presence required in Metz.

📍 MetzOn-site10 monthsGestion de projetInfrastructureITIL
550650 €/dayApply now
Design & Digital

SaaS Product UX/UI Designer

Éditeur RH SaaS

HR SaaS vendor overhauling its design system and onboarding journeys: UX audits, user testing, high-fidelity Figma mockups, design system documentation, daily pairing with front-end devs.

📍 Full remote (France/Belgique)Remote6 monthsFigmaDesign SystemUX Research
450550 €/dayApply now
Cybersecurity

SOC Analyst L2/L3

Opérateur de services essentiels

SOC reinforcement for an essential services operator (NIS2): L2/L3 incident handling, threat hunting on Sentinel, detection rule improvement, crisis exercises. Occasional paid on-call.

📍 LuxembourgHybrid12 monthsSIEMSentinelThreat Hunting
550680 €/dayApply now

View all missions

500+

Partners

15

IT missions

9

Covered professions

~50%

Average payout ratio

How does umbrella employment work?

Employee status, freelance freedom — in three steps.

Find your mission

On our IT jobboard or with your own clients: you choose your missions and your daily rate.

Simulate and sign

Our simulator computes your net salary. Aventys issues your employment contract and invoices your client.

Work with peace of mind

Payroll, contributions, insurance, admin: we handle everything. You remain a protected, supported employee.

Simulate my salary

Over 500 partners trust us

Key accounts, IT services companies and leading platforms.

AtosExtiaEYMaltInetum

Most popular missions

Data, AI & BI

Machine Learning / GenAI Engineer

Éditeur SaaS B2B

B2B SaaS vendor adding GenAI capabilities to its product: RAG pipeline design, model evaluation, MLOps industrialization (deployment, monitoring, costs), guardrails and AI Act compliance. International product team, full remote Europe.

📍 Full remote (Europe)Remote6 monthsPythonLLMRAG
650800 €/dayApply now
Software Development & Engineering

Fullstack React / Node.js Developer

Groupe bancaire — place de Luxembourg

Within the IT division of a Luxembourg banking player, you join an 8-person product squad building new digital customer journeys. Stack: React 18, Node.js/NestJS, PostgreSQL, Kubernetes. GitLab CI/CD, Scrum. 2 remote days per week. Professional English required, French appreciated.

📍 LuxembourgHybrid12 monthsReactNode.jsTypeScript
550680 €/dayApply now
Cloud, Infrastructure & DevOps

AWS / Kubernetes DevOps Engineer

Scale-up e-santé

Fast-growing e-health scale-up seeks a DevOps engineer to industrialize its AWS platform: EKS migration, Terraform IaC, observability (Prometheus/Grafana), security hardening (ISO 27001 underway). Full remote, weekly remote architecture board.

📍 Full remote (France/Luxembourg)Remote9 monthsAWSKubernetesTerraform
600750 €/dayApply now

Companies

Entrust us with your IT needs: expert consultants under a secure contract, with zero administrative burden for you.

Post a mission

Consultants

Switch to umbrella employment: invoice your missions freely while keeping full employee protection.

Create my account

Our umbrella plans

Transparent management fees, no hidden costs.

Essential

10% management fee
  • Full payroll management
  • Employment contracts & client invoicing
  • Professional liability insurance
  • Online consultant portal
Simulate with this plan

Comfort

8% management fee
  • Everything in Essential
  • Professional expenses optimization
  • Salary advance
  • Enhanced health & providence cover
Simulate with this plan

Premium

6% management fee
  • Everything in Comfort
  • Dedicated advisor
  • Priority access to partner missions
  • Training & career support
Simulate with this plan

News & insights

All articles

Land the most valuable IT missions — simply drop your CV at Aventys

Our team reviews your profile and matches you with missions aligned with your skills and target daily rate.

Upload my CV