> Markdown version of [/jobs/ext/3806496-senior-fintech-integration-engineer](https://www.wearedevelopers.com/jobs/ext/3806496-senior-fintech-integration-engineer). 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). --- # Senior Fintech Integration Engineer - **Company:** First Call Trading Corporation - **Location:** Austin, TX, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Data Security, OAuth, Graphql, Api Management - **Published:** October 17, 2026 - **Apply:** https://www.careerjet.com/jobad/us873acf8456c855d006a2ab1cc124e0d8 ## About the Role * Deep hands-on experience integrating Pershing APIs including STP, trade execution, clearing, and wealth management platforms. * Strong expertise in Conquest Planning API integrations to enable financial planning and advisory workflows. * Proven experience building and consuming REST APIs, GraphQL services, and Webhook-based event-driven integrations. * Strong knowledge of secure data pipelines, authentication (OAuth, JWT), encryption, and financial data governance. * Experience working in wealth management, brokerage, capital markets, or fintech environments, delivering scalable integration solutions across multiple platforms.