Principal Solutions Engineer
Dfns is a wallet-as-a-service platform that provides institutional-grade digital asset wallet infrastructure for fintechs, banks, and enterprises via API.
Investors
Projects
About Dfns
Dfns is a B2B cybersecurity company that offers wallet-as-a-service infrastructure, enabling financial institutions, fintechs, and enterprises to provision and manage programmable digital asset wallets at scale. Users can create MPC-secured multichain wallets, automate transaction workflows, enforce policy-based access controls, and deploy key management across cloud or on-premises environments. The platform supports multiple blockchains and is certified under SOC 2 Type II, ISO 27001, ISO 27017, and ISO 27018.
Skills
About the Role
You will help institutions, fintechs, and enterprises across the Americas adopt Dfns by designing integrations for complex environments, guiding deployments, and providing end-to-end technical support. You will advise CTOs, architects, and engineering teams, create tailored solutions, deliver technical proposals, troubleshoot issues, maintain documentation, and collaborate with backend, security, and product teams.
Requirements
- 10+ years of experience in solutions engineering forward-deployed engineering or enterprise integration
- Experience helping institutions or enterprises deploy mission-critical systems
- Proficiency in TypeScript or similar languages
- API experience with REST
- Knowledge of AWS cloud platforms
- Knowledge of microservices and serverless architectures
- Ability to troubleshoot complex issues and deliver under pressure
- Understanding of ISO 27001 SOC 2 and PCI DSS security frameworks
- Strong communication documentation presentation and demonstration skills
- Knowledge of blockchain custody and financial workflows
- AWS Solutions Architect certification is a plus
- Spanish or Portuguese fluency is valued
Responsibilities
- Guide financial institutions and fintechs through onboarding and integration
- Build secure and scalable deployment pathways connecting legacy and modern systems
- Provide hands-on support and troubleshoot issues alongside client teams
- Collaborate with sales on technical proposals demos and RFP responses
- Maintain and improve technical documentation and developer guides
- Gather client feedback and translate insights into product and API improvements
- Represent Dfns at conferences workshops and customer meetings