Dfns

Dfns

Dfns is a Wallets-as-a-Service (WaaS) platform that enables fintechs, enterprises, and developers to securely manage digital assets. Utilizing advanced cryptography like multi-party computation (MPC), it offers services to streamline crypto operations and user onboarding. Dfns also operates Dfns Labs, a research team dedicated to enhancing digital asset security.
Paris, FRA

Job Listings

Senior Frontend Developer


Full Time
Lead
Category: Frontend

Description

Trojan is looking for a Senior Frontend Developer to build and maintain responsive, user-centric applications with React/NextJS and TypeScript. They will collaborate with the Senior Full-Stack Developer to ensure seamless integration and optimize for speed.

Senior Blockchain Engineer


Full Time
Senior
Category: Engineering

Description

DFNS is looking for a Senior Blockchain Engineer to design, develop and scale blockchain indexers, data pipelines, integrations, and smart contracts to improve wallet platform reliability and performance.

Lead Mobile Engineer


Full Time
Lead
Category: Engineering

Description

DFNS is looking for a Lead Mobile Engineer to design and build iOS and Android apps, refine cross-platform frameworks, and craft fast intuitive interfaces.

Senior Software Engineer


Full Time
Senior
Category: Backend

Description

DFNS is looking for a Senior Software Engineer to design develop and scale core backend services and APIs, own projects end to end, and ensure systems are secure reliable and performant.

Principal Software Engineer - EU


Full Time
Lead
Category: Backend

Description

DFNS is looking for a Principal Software Engineer to lead the design development and scaling of core backend systems.

Senior Infrastructure Engineer


Full Time
Senior
Category: Devops

Description

DFNS is looking for a Senior Infrastructure Engineer to design operate and scale cloud native infrastructure and embed DevOps and SRE practices.

Principal Software Engineer


United States
Full Time
Lead
Category: Backend

Description

DFNS is looking for a Principal Software Engineer to lead design develop and scale core backend systems and set technical direction while mentoring senior engineers.

Principal Solutions Engineer


Full Time
Head
Category: Engineering

Description

DFNS is looking for a Principal Solutions Engineer to design integrations guide customers through deployment and provide end-to-end technical support to institutions and enterprises

Senior Core Systems Engineer


Full Time
Senior
Category: Engineering

Description

DFNS is looking for a Senior Core Systems Engineer to design, build and scale MPC, HSMs, TEEs and middleware and to build Rust-based low-level distributed services focused on performance and security.

Commercial Counsel


Full Time
Lead
Category: Legal

Description

DFNS is looking for a Commercial Counsel to draft review and negotiate commercial contracts build scalable templates and processes and ensure compliance with fintech and blockchain regulations.

Strategic Account Manager


Full Time
Lead
Category: Sales

Description

DFNS is looking for a Strategic Account Manager to support customers, drive adoption, manage onboarding and handle inbound and outbound sales.

Senior Core Systems Engineer


US or EU remote first office optional Paris New York Fully remote
Full Time
180K - 260K
Senior
Category: Engineering

Description

Dfns is looking for a Senior Core Systems Engineer to design build and scale MPC HSM and TEE systems and middleware, build low-level Rust services, and optimize distributed databases for performance and security.

Lead Mobile Engineer


United States remote first office optional
Full Time
140K - 220K
Lead
Category: Engineering

Description

Dfns is looking for a Lead Mobile Engineer to design and build iOS and Android apps and refine cross-platform frameworks.

Principal Security Engineer


US or EU remote first office optional
Full Time
220K - 300K
Head
Category: Cybersecurity

Description

Dfns is looking for a Principal Security Engineer to lead security architecture and threat modeling, drive vulnerability management and penetration testing, and design defense in depth controls across the platform.