Software Architect

B2B Freelance Opportunity

12 months Contract

Hybrid (71 days Onsite and 48 days Remote), Luxembourg

Minimum 7 years of experience needed

Starts ASAP

Note: EU Citizens or Luxembourg Work Permit candidates Only

Mandatory Technical Skills

Frontend Architecture & React

• Strong experience in the architecture and development of complex React projects.
• Experience with advanced React concepts, including micro-frontends and performance optimisation.
• Ability to design scalable, maintainable and reusable frontend architectures.
• Strong understanding of frontend application structure, component design and state management principles.
• Ability to troubleshoot and optimise complex frontend applications.
• Experience working on large-scale or business-critical web applications.

JavaScript, TypeScript, HTML & CSS

• Strong knowledge of JavaScript and TypeScript standards.
• Solid experience developing frontend applications using modern JavaScript and TypeScript.
• Strong experience with HTML and CSS.
• Ability to implement clean, structured and maintainable frontend code.
• Understanding of responsive design, browser compatibility and frontend performance considerations.
• Ability to apply frontend development best practices in a professional software delivery environment.

REST APIs & Fullstack Development

• Experience integrating frontend applications with REST APIs.
• Good understanding of API consumption, testing and troubleshooting.
• Fullstack experience is required, preferably including Java Spring Boot.
• Ability to collaborate with backend teams and contribute to fullstack implementation activities.
• Understanding of application integration principles and frontend-backend dependencies.
• Ability to support technical analysis and implementation across application layers

Testing & Quality Assurance

• Experience with unit testing in frontend development environments.
• Ability to define, implement and maintain unit tests.
• Understanding of software quality, code review and maintainability practices.
• Ability to troubleshoot defects and contribute to their resolution.
• Strong attention to detail and commitment to delivering high-quality software components.

Development Tools, Build Tools & CI/CD

• Experience with modern development and build tools.
• Knowledge of build, packaging and release preparation activities.
• Experience with CI/CD tools and practices.
• Knowledge of Azure DevOps would be a strong advantage.
• Ability to support automated build and deployment pipelines.
• Understanding of software delivery lifecycle and deployment processes.

Education & Languages

• Senior profile as per the Framework Agreement, with a minimum of 7 years of professional experience.
• Relevant academic background in IT, computer science, software engineering or a related field would be expected.
• Fluency in English is mandatory.
• Strong ability to prepare clear technical documentation in English.

Core Competencies

• Strong analytical and problem-solving skills.
• Excellent communication skills, both verbal and written.
• Good ability to synthesise technical information.
• Capacity to deliver within tight deadlines.
• Structured, accurate and detail-oriented approach.
• Strong sense of ownership and accountability.
• Ability to work effectively in a complex institutional environment.