Software Engineer - Core Financial Platform

About Basic Capital Basic Capital is a fintech company disrupting America’s $1T retirement industry by building the mortgage for retirement, unlocking market ownership, and making wealth accessible to every American. Our mission is to create products, platforms, and a credit marketplace that power a fundamentally new retirement system. Our founding team includes leaders from Goldman Sachs, Uber, Block, Stripe, and Robinhood. We’re backed by top investors such as Lux Capital, Forerunner Ventures, BoxGroup, SVAngel, Inspired Capital, and Henry Kravis. Based in SoHo, NYC, we’re assembling a lean, high-performance team committed to reducing wealth inequality. For more information, visit Basic Capital’s website the employer's site. You will - Join an elite team of engineers responsible for building systems that facilitate trading and money movement - Build and maintain core trading, financing, and fund management systems - Design and architect systems that orchestrate and reconciles complex flows of funds - Participate in architecture discussions, planning, and code reviews across the stack Required Competencies - Strong experience with modern backend frameworks, API design, and event-driven systems - Strong architecture design and problem-solving skills - Proficiency in any of the following: Kotlin, Rust, Java, Go, C/C++, Python, Ruby, or TypeScript - Experience working with MySQL or PostgreSQL - Experience with modern build systems and cloud infrastructure (AWS, GCP, Azure) Preferred Competencies - Experience building trading systems, lending systems, and asset management systems - Experience in fintech or early-stage technology companies - Experience working in Kotlin backends - Experience with Temporal for asynchronous workflow orchestration Cultural Fit - Passionate about solving big social problems with pragmatic solutions - Aptitude for complexity and curiosity for financial markets - Enjoys learning new technologies and selecting the right tool for each job - Adaptable and open to contributing across the tech stack as the team evolves - Autonomous, high agency, accountable, and thrives in a fast-paced environment - Strong collaboration and communication skills, working effectively in cross-functional teams - Excited to be a part of an in-office team