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: New York City, San Francisco, Seattle (Hybrid – choose any 2 days each week to work from the 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+, to scaling our infrastructure, to leveling up our successful SPV product with experiences that delight and empower our users.

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.

• Fund+ Team: Build our newest product for fund managers and LPs; launching funds and managing capital in a radically simpler way.

• Growth Team: Use data, experimentation, and user insights to improve acquisition, engagement, and activation.

• Platform/Internal Tooling Team: Create systems that empower our finance, operations, and customer experience teams to move faster and more efficiently.

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

• At least five years of experience as a full-stack engineer, ideally working in a modern JavaScript and TypeScript environment.

• Fluency in TypeScript and comfortable building across both the frontend and backend.

• Strong track record of shipping well-tested, user-facing features in fast-paced product environments.

• Effective collaborator who communicates clearly and enjoys mentoring teammates.

• 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.