Senior Developer / Tech Lead (.NET / Azure) - Freelance (M/F/D)

Location: Brussels, Brussels, be

Company Description

Everience is an international consulting group delivering AI-augmented digital services and placing people at the heart of the AI revolution.

With a presence in Europe, Africa, Asia and America, Everience offers its 4,000-strong workforce the most demanding and stimulating environment in which to transform and develop their skills, learning about new AI-based roles and building their future employability.

Through its Symbiotic Academy the group offers a unique hub for training, practical application and exchange where everyone can experiment, learn, and progress in the fields of artificial intelligence and data.

In accordance with its core purpose of orchestrating the symbiotic relationship between humans and AI in the workplace, Everience is making the augmented employee the driving force of a “symbiotic age”, where AI enhances talents and opens up new career opportunities.

Job Description

We are looking for an experienced freelance Senior Developer / Tech Lead. You will work on challenging projects with the latest technologies and play a key role in developing and optimising software products.

Your missions :

• Set the technical bar: safeguard code quality, perform code reviews and coach developers
• Translate business and domain questions into clear technical analyses and specifications
• Contribute to the development of a scalable business platform on .NET and Azure
• Work AI-native: agents write, test and refactor code, and you safeguard the architecture, security and quality of what they produce

Qualifications

Must-have knowledge and experience :

• Azure: experience with Azure services and cloud-based infrastructures
• .NET: in-depth knowledge and experience developing applications
• DevOps, Kubernetes & Docker: CI/CD pipelines, containerisation and implementing a DevOps culture
• Angular: front-end development
• AI coding tools: experience with tools such as Claude Code and GitHub Copilot on real projects, and the ability to critically assess their output
• Tech lead: code reviews, technical coaching and technical analysis
• Fluency in DUTCH & ENGLISH 

Nice to have :

• Marten (event sourcing and document-oriented data in .NET)
• GraphQL (API design and optimisation)
• PostgreSQL (document databases and SQL)
• RabbitMQ & MassTransit (message-based systems, event-driven architecture)
• Domain-Driven Design (DDD)
• Elasticsearch (search and data analysis)
• Certifications: AZ-204 and AZ-400 are a plus

Your profile :

• Problem-solving mindset: you solve complex problems quickly and efficiently
• Resilient: you handle chaos and pressure without losing focus
• Proactive: you anticipate and suggest improvements
• Curious: passionate about technology and always learning
• Team player: you collaborate well with other developers, can work independently, and enjoy sharing knowledge to raise the team’s technical level

Additional Information

All our positions are open to both women and men and are, of course, open to people with disabilities.