> Markdown version of [/jobs/ext/4622600-principal-solutions-engineer-us](https://www.wearedevelopers.com/jobs/ext/4622600-principal-solutions-engineer-us). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Solutions Engineer, US - **Company:** DFNS TRADES LLC - **Location:** New York, NY, United States - **Experience:** Expert - **Salary:** $160,000 - $240,000 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Amazon Web Services, Microsoft Azure, Cloud Computing, Blockchain, TypeScript, Enterprise Integration, Api Design, Serverless Computing, Microservices - **Published:** November 7, 2026 - **Apply:** https://www.juju.com/job/28_25197_c1d3f45d4b287b9ae0bfcf752ac776db ## About the Role * 10+ years in solutions engineering, forward-deployed engineering, enterprise integration. * Track record of helping institutions or enterprises deploy mission-critical systems. * Strong in TypeScript (or similar languages) with proven API experience (REST). * Deep knowledge of cloud (AWS; GCP/Azure/Thales a plus), microservices, and serverless. * Skilled in troubleshooting complex issues and delivering under pressure. * Solid understanding of enterprise security frameworks (ISO 27001, SOC 2, CCSS). * Excellent communicator, able to bridge technical and business conversations. * Strong documentation, presentation, and demo skills. * Knowledge of blockchain, custody, and financial workflows strongly preferred. Recruitment process * Intro call with Co-CEO (30 min) * Personality and cognitive tests (45 min) * Coding test in a language of your choice ## Description * Guide financial institutions and fintechs through seamless onboarding and integration. * Build secure, scalable deployment pathways that bridge legacy and modern systems. * Provide hands-on support: troubleshoot, fix, and build solutions 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.