Full Stack Developer

#ABOUTUS

Global Citizen Solutions is a leading residency and citizenship planning advisory firm, supporting high-net-worth individuals and families in securing greater control over where they can live, operate, and plan for the future.

We work with private clients navigating complex, multi-jurisdictional decisions — providing structured, end-to-end guidance across residency and citizenship strategies.

With a multidisciplinary team of over 100 professionals across multiple jurisdictions, we combine legal, advisory, and programme expertise to deliver tailored solutions in high-stakes, highly personal contexts.

#THEROLE

As a Senior Fullstack Software Engineer, you will play a critical role in designing, building, and scaling our core applications. You will work across the full technology stack, contribute to architectural decisions, and ensure high engineering standards across our systems.

This role is ideal for a senior engineer who combines deep technical expertise with ownership, pragmatism, and a strong product mindset.

#THECHALLENGE

Fullstack Development

• Design, develop, and maintain scalable backend and frontend systems
• Build modern, responsive user interfaces using JavaScript frameworks
• Develop robust backend services (JavaScript-based and potentially .NET-based environments)
• Contribute to system architecture and technical design decisions

Cloud & Infrastructure

• Develop cloud-native applications in AWS and/or Microsoft Azure
• Contribute to infrastructure improvements and automation
• Support CI/CD pipelines and DevOps best practices
• Ensure system scalability, performance, and security

Engineering Excellence

• Apply clean code principles and software design best practices
• Drive test-driven development (TDD) and automated testing strategies
• Implement observability practices (logging, monitoring, tracing)
• Perform code reviews and mentor junior developers
• Ensure high standards of reliability and maintainability

Integrations & APIs

• Build and maintain integrations with third-party systems
• Design and consume RESTful APIs and external services
• Ensure secure and reliable data exchange across systems

#ABOUTYOU

• 5+ years of professional software engineering experience
• Strong hands-on experience in fullstack development
• Deep knowledge of JavaScript ecosystems (Node.js, frontend frameworks such as React, Vue, or similar)
• Experience in .NET environments is a plus
• Experience working with AWS and/or Microsoft Azure
• Strong understanding of API design and system integrations
• Experience with relational and/or NoSQL databases
• Solid understanding of DevOps practices and CI/CD
• Experience implementing automated testing and TDD
• Familiarity with observability and monitoring tools
• 5+ years of experience supporting senior leadership (Executive Assistant, Personal Assistant, or similar), ideally within advisory, professional services, or multi-entity environments.
• Proven ability to operate in complex, high-responsibility contexts involving multiple stakeholders, priorities, and jurisdictions.
• Exceptional written and verbal communication skills in English; additional languages are advantageous.
• Advanced proficiency in Microsoft Office and modern collaboration tools.
• Strong organisational judgement, with the ability to prioritise effectively and maintain accuracy under pressure.
• Demonstrated discretion and professionalism when handling sensitive information.

Localização do trabalho: Trabalho remoto híbrido em Lisboa