Senior Software Engineer, Party & Account Services

About Us DriveWealth is on a mission to make investing easier. We believe that everyone should have the ability to control their financial future, and that access to financial markets should not be limited by geography, wealth, or legacy systems. We are a global B2B financial technology organization dedicated to democratizing access to financial independence around the world. Our mission is realized through an API-based platform, empowering our partners to offer seamless investing and trading experiences to clients worldwide, all from their mobile devices. Our technology provides partners with a modern, extensible toolkit, enabling traditional investment workflows and innovative techniques like fractional share ownership. DriveWealth has evolved into a global platform offering trading of US equities, mutual funds, ETFs, fixed income, and options. There’s never been a better time to build a category-defining business and there has rarely been a team better positioned for this opportunity. Our culture blends the pace and agility of a fintech start-up with the impact, stability, and discipline of Wall Street. We encourage creativity and experimentation while ensuring institutional-grade execution and regulatory compliance in everything we do. Join us and help build the future of global investing! About the Role We are seeking an experienced Java Backend Engineer to design, build, and scale the core systems that power brokerage account operations for DriveWealth's global institutional partners. This role is with DriveWealth's Party & Account Services, the team responsible for customer onboarding, KYC and compliance workflows, brokerage account lifecycle management, and integrations with clearing, tax reporting, and regulatory systems. You will work closely with product managers, compliance, quantitative, and risk teams to translate complex regulatory and business requirements into robust, production-grade backend systems. These systems span a wide range of capabilities, including support for joint and retirement account types, tax form processing, domain event-driven workflows, and downstream clearing integrations with platforms such as FIS, DTCC and InteliClear. Build the account infrastructure that global institutional partners and millions of investors depend on every trading day. What You'll Do Ensure Tier-1 API availability and meet SLA requirements (150 ms target ) across core services. Design and deliver backend Java services for DriveWealth's Party & Account System (PAS)—the core platform that manages user registration, KYC workflows, and the full brokerage account lifecycle for global institutional partners. Lead the technical design and implementation of new account types from API ingestion through validation, data storage, and event publishing. Build and maintain REST services and Kafka-driven asynchronous processors that support account operations across equities, options, and fixed-income asset classes. Own integrations with downstream clearing and reporting systems, including InteliClear (INTC/AOD), FIS, DTCC ACAT, and BetaNXT tax reporting. Partner cross-functionally with quantitative, product, compliance, and risk teams to translate regulatory requirements (KYC, W-8/W-9 tax forms, FINRA rules) into precise, testable system behavior Monitor production systems (EKS, Postgres, DynamoDB, Redis, Kafka) and diagnose latency, throughput, resiliency, and consistency issues across distributed asynchronous workflows. You Bring 7+ years of experience building backend systems in Java, with strong proficiency in Java functional programming concepts and Spring Boot 3. Deep experience with DynamoDB, including partition key and sort key design, GSI access patterns, conditional writes, and atomic operations. Hands-on experience designing and operating Kafka-based systems. Experience in brokerage, fintech, or clearing environments. Familiarity with account types, KYC workflows, tax reporting (W-8/W-9), and clearing file formats (DT…