> Markdown version of [/jobs/ext/3784704-sr-fintech-engineer-dallas-tx-mountain-view-ca](https://www.wearedevelopers.com/jobs/ext/3784704-sr-fintech-engineer-dallas-tx-mountain-view-ca). 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). --- # Sr Fintech Engineer - Dallas, TX / Mountain View, CA - **Company:** R Systems, Inc. - **Location:** Dallas, TX, United States - **Experience:** Expert - **Contract:** Contract - **Skills:** Application Programming Interfaces (APIs), Data Governance, Data Security, Systems Integration, Software Security, Graphql, Restful APIs, Webhooks, Web Api - **Published:** October 16, 2026 - **Apply:** https://www.dice.com/job-detail/3f2d65a4-1899-4227-b6b2-8a039aa62f0c ## About the Role ยท 8-10 year experience, recent hands-on experience within fintech, wealth management, brokerage, or banking environments. * Strong experience integrating financial platforms and third-party APIs. * Experience with BNY Mellon Pershing APIs including trade execution, clearing, and account integration. * Experience integrating Conquest Planning or similar financial planning platforms. * Strong understanding of REST APIs, GraphQL, Webhooks, and event-driven integrations. * Experience building secure data pipelines and handling sensitive financial data. * Understanding of authentication, authorization, API security, and data governance.