Senior Software Engineer

Sydecar•San Francisco, CA

21d•$190,000 - $215,000•Hybrid

About The Position

Sydecar is seeking Senior Software Engineers to help shape the future of private markets. The role involves building powerful, intuitive tools to simplify the deal execution process for investors supporting entrepreneurs and startups. Engineers will join a collaborative, high-trust team that values ownership, thoughtful execution, and a sustainable pace. Responsibilities include taking on meaningful challenges such as launching new features, scaling infrastructure, and enhancing the SPV product. The software development approach is AI-centric, requiring demonstrated experience with agentic software development workflows. Opportunities are available across multiple teams, catering to full-stack, front-end, and back-end focused engineers.

Requirements

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.
Effective collaborator who communicates clearly and enjoys working with and mentoring teammates.

Nice To Haves

Experience working in fintech, especially around payments or compliance.
Fluency in Typescript
Familiarity with infrastructure-as-code tools like Terraform and cloud platforms like GCP.
Exposure to NestJS, Prisma, PostgreSQL, or React Testing Library.
Prior experience building tools for internal teams or backend platforms.
A Bachelor’s degree in Computer Science, Software Engineering, or a related field.

Responsibilities

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.