Note: The job is a remote job and is open to candidates in USA. Prosper Marketplace is a leading fintech company dedicated to advancing financial well-being through innovative personal finance solutions. They are seeking a Senior Backend Engineer to own borrower-facing experiences, using modern technologies to build applications that drive Prosper's core business. The role involves collaborating with cross-functional teams, managing projects end-to-end, and leveraging AI tools to enhance development processes.
Responsibilities
- Collaborate within a cross-functional team that includes product, design, frontend engineering, and quality engineers to deliver seamless borrower experiences across web and mobile
- Own projects end to end -- from technical design and architecture through launch, iteration, and measurement -- driving outcomes that move the business forward
- Build and evolve our high-performance Java and Kotlin microservices, deploying scalable features across our modern Spring Boot stack
- Design modern event-driven architectures (like GCP Pub/Sub) that accelerate development across multiple product teams
- Partner with frontend and platform engineering teams to integrate client applications with secure, performant REST and GraphQL APIs
- Identify and drive improvements in system latency, database query optimization, testing coverage, and cloud infrastructure efficiency
- Uphold high standards of code quality and user experience while iterating rapidly in a regulated environment
- Leverage AI-powered tools (coding assistants, automated testing, code review) to amplify your productivity and help establish best practices for AI-assisted development across the team
- Contribute to a strong, inclusive engineering culture by mentoring peers, championing best practices, and participating in thoughtful code reviews
Skills
- BS in EE/CS with 8+ years of experience or MS in EE/CS or other applicable disciplines with 6+ years of experience
- Deep proficiency in Java, Kotlin, and the Spring Boot framework, with the versatility to design, build, and scale distributed microservices
- Hands-on experience with RESTful APIs, GraphQL, and event-driven patterns (such as GCP Pub/Sub) to power high-performance applications
- Familiarity with cloud-native architectures (specifically GCP, Firestore, Spanner, and Cloud Functions) and modern CI/CD pipelines to maintain a high-velocity development environment
- Disciplined approach to automated testing (unit, integration, and contract tests) and system observability to ensure services are meticulous, secure, and trustworthy
- Active use of AI coding assistants (Cursor, Copilot) and a commitment to exploring new AI developments to enhance team productivity and solve product problems
- A proactive, high-accountability approach to driving projects to completion and unblocking yourself to deliver outcomes, not just outputs
- A deep focus on system reliability and financial accuracy, sweating the details to protect the 'borrower behind the screen' and preserve trust in a regulated domain
- Excellence in cross-functional communication and a dedication to elevating the team through clear mentorship and knowledge sharing
Benefits
- A competitive salary and a 401(k) with a 5% company match to help you build long-term financial security
- We provide the resources you need to thrive, from flexible time off and paid parental leave to an annual wellness allowance and comprehensive health coverage
- Take advantage of a suite of premium perks, including Udemy access, childcare assistance, pet insurance, and a bevy of additional savings through Beneplace
- We prioritize high-touch collaboration and flexibility. Whether you are working from our San Francisco or Phoenix offices or joining us as a fully remote team member, we provide the digital-first tools and intentional culture to keep you synced and supported
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