Senior Software Engineer

ABOUT US Sydecar is on a mission to transform the world of private markets. Our goal is to make these markets more accessible, transparent, and liquid, and we're achieving this by revolutionizing the way investment vehicles are created and executed. At Sydecar, we're not just a platform; we're a trusted partner in venture capital. We're dedicated to simplifying and standardizing the private investing experience, empowering capital allocators to discover and support visionary entrepreneurs who are shaping the future. Our platform is designed with ease and efficiency in mind. We take care of all the behind-the-scenes tasks, from automating banking, ensuring compliance, handling contracts, managing taxes, to streamlining reporting. This leaves investors the freedom to concentrate on what matters most: making valuable deals and nurturing meaningful relationships. Join us at Sydecar, as we lead the charge in revolutionizing private investing. Locations: San Francisco or New York City (Hybrid – 2 days per week in office) THE OPPORTUNITY We’re hiring Senior Software Engineers to help shape the future of private markets. At Sydecar we make it easy for investors to support entrepreneurs and startups by simplifying the deal execution process behind the scenes. You’ll play a key role in building powerful, intuitive tools—making it faster and easier to get deals done. As an engineer here, you’ll join a collaborative, high-trust team that values ownership, thoughtful execution, and a sustainable pace. You’ll take on meaningful and exciting challenges—from launching new features for Fund+ https://www.sydecar.io/fund+, to scaling our infrastructure, to leveling up our successful SPV https://www.sydecar.io/spv product with experiences that delight and empower our users. Our software development is AI-centric and requires demonstrated experience leveraging agentic software development workflows. If you're excited to build alongside a kind, capable team where your work truly matters, you’ll feel right at home here at Sydecar. ABOUT OUR ENGINEERING TEAMS We’re hiring across multiple teams and are excited to match engineers with roles that align with their interests and strengths. Whether you’re full stack, front end–focused, or more backend–oriented, we have opportunities that fit your skill set and where you want to grow. OUR TECH STACK - Frontend: TypeScript and React in a mono-repo structure - Backend: TypeScript, using NestJS and Prisma - Database: PostgreSQL - Testing & Code Quality: Jest and linted/auto-formatted with ESLint/prettier - Design: Wireframes and prototypes crafted in Figma - Infrastructure: Maintained as Infrastructure as Code (IaC) using Terraform WHAT YOU’LL DO - Design and deliver full-stack solutions in TypeScript (React + NestJS). - Lead projects from concept to deployment, balancing speed and scalability. - Write thoughtful tests and maintain a high-quality codebase using tools like React Testing Library and Playwright. - Mentor junior engineers and contribute to a healthy, collaborative team culture. - Participate in architecture reviews, technical design sessions, and product ideation. - Collaborate with cross-functional partners in product, design, and operations. WHAT WE’RE LOOKING FOR - Effective collaborator who communicates clearly and enjoys working with and mentoring teammates. - At least five years of experience as a software engineer, working in a modern Object Oriented Programming (OOP) language. - Strong track record of shipping well-tested, user-facing features in fast-paced product environments. - Strong problem-solver who can navigate edge cases, debug tricky issues, and design systems that scale. - Takes ownership of work, values clarity in code and communication, and consistently delivers high-quality results. BONUS IF YOU HAVE - Experience working in fintech, especially around payments or compliance. - Fluency in Typescript - Familiarity with infrastructure-as-code tools like Terraform and cloud platfo