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Senior Software Engineer: Frontend & Systems (SASE Evolution) - Job application

Cloudi-Fi is on a mission: Secure what SASE forgot and become the Security Gateway for all unidentified devices connecting to Wi-Fi. Our 100% cloud-based solution combines best-in-class marketing features, global personal data compliance, and a Zero-Trust security framework. Thanks to strong technology partnerships and integrations with major cloud security and networking vendors, Cloudi-Fi is now trusted by over 150 leading global brands including Total Energies, Atos, System U (see our success stories). Recognized as one of Europe’s most promising SaaS startups by the Financial Times, Cloudi-Fi brings together a passionate, multicultural team working toward a safer and more seamless internet experience for everyone.

Position overview

Our ecosystem is entering a critical modernization phase. While maintaining and expanding our current TypeScript/Angular-based administration interfaces and dashboards, you will also be instrumental in a foundational rewrite of our core networking infrastructure.

We are moving away from legacy components to build a custom, high-performance SASE platform from the ground up. This involves rewriting critical services such as IPSec, DHCP, and Proxy using Rust to ensure absolute performance, scalability, and multi-tenant security.

We are seeking a versatile Senior Software Engineer with a dual mastery of modern frontend frameworks and systems-level programming to lead this transformation.

Key Responsibilities

- Frontend Excellence: Design and develop scalable, responsive web applications using Angular and TypeScript.

- Systems Architecture: Design and implement high-performance networking protocols and security services in Rust from scratch.

- Multitenancy Implementation: Implement UI logic that respects tenant isolation while managing global configuration propagation.

- SASE Evolution: Participate in the strategic transition of our infrastructure into a fully scalable, multi-tenant SASE service.

Required Qualifications

- Frontend Mastery: Expert proficiency in TypeScript and Angular (v12+), including RxJS, NgRx/Signals, and component architecture..

- Systems Expertise: Solid, proven experience in Rust development, specifically applied to high-performance systems or networking.

- Networking Knowledge: Deep understanding of network protocols (IPSec, DHCP, Proxying) and the principles of SASE architectures.

- Scalable Architecture: Experience building and maintaining multi-tenant, cloud-native SaaS platforms.

- Engineering Culture: A commitment to writing clean, documented code and a passion for 360° technical mastery.

Desired skills

- Familiarity with containerization (Docker) and modern DevOps workflows.

- Experience in a high-growth, international environment.

What we offer

- Opportunity to join a fast-growing cybersecurity company with international ambitions - Competitive compensation package including uncapped commissions and stock options - Dynamic and collaborative work environment - Exposure to strategic enterprise customers and innovative cybersecurity projects - Flexible work environment - international coworking spaces, or remote experience with sponsored home office equipment. - Career growth and leadership opportunities - Continuous Training & Learning. A personalized program with all the tools and resources needed.

At Cloudi-Fi, we own our roadmap and our code. You will have the opportunity to work in an environment where engineering sovereignty is a core value. This role offers the unique chance to bridge the gap between sophisticated web interfaces and high-performance systems engineering, shaping the future of global enterprise connectivity.

Hiring process

1/ Culture-fit interview with our Chief People Officer

2/ Technical interview with a Developper

3/ Operational interview with the CTO

4/ Final interview with the CEO