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About the Role
As a Senior Platform Engineer, you'll build the systems and tooling that raise the floor for every engineer at Sydecar. You'll join a collaborative, high-trust team that values ownership, thoughtful execution, and a sustainable pace. Your work — faster pipelines, reliable infrastructure, safer releases, and a stronger security posture — will be felt across the entire engineering organization. This role suits an engineer who is energized by force-multiplying others and treats internal teams as customers.
Responsibilities
- Build and improve the internal developer platform — CI/CD pipelines, build/deploy automation, and local and preview environments — creating a "golden path" that helps every engineer ship quickly and safely.
- Design, operate, and scale core shared services and cloud infrastructure as code (Terraform), with strong reliability, observability, and cost efficiency.
- Advance release automation and test automation so shipping to production is routine and low-risk, with safe rollout patterns and easy rollbacks.
- Strengthen the platform's security posture and help build a distributed security practice across the engineering org.
- Partner with product teams as an enabler — set standards and interfaces, and co-build where teams share an interest or have a timely dependency — while keeping the platform focused on general-purpose foundations rather than product-specific work.
- Lead projects from concept through deployment, balancing speed with scalability.
- Mentor engineers, participate in architecture reviews, and help shape the platform roadmap.
- Collaborate closely with engineering, product, design, and operations.
Requirements
- At least 5 years of software or platform engineering experience in modern languages (TypeScript/Node.js a plus).
- Depth in one or more platform areas: CI/CD and developer tooling; cloud infrastructure and reliability (infrastructure-as-code, observability, SLOs, on-call); release engineering and test automation; or application/infrastructure security.
- A track record of measurably improving developer velocity, system reliability, or release safety at scale.
- Demonstrated experience leveraging agentic / AI-assisted software development workflows.
- Strong problem-solver for edge cases and system scaling, with an ownership mentality and a bias toward paved roads over gates.
- Excellent collaborator and communicator with an enablement mindset — you treat internal teams as customers and help others move faster.
Skills
- TypeScript
- Node.js
- CI/CD
- Developer tooling
- Cloud infrastructure
- Reliability
- Infrastructure-as-code
- Observability
- SLOs
- On-call
- Release engineering
- Test automation
- Application security
- Infrastructure security
- Agentic / AI-assisted software development
- Terraform
- GCP
- NestJS
- Prisma
- PostgreSQL
- Playwright
- React Testing Library
- Figma
- React
Location
- San Francisco
- New York City
Work Type
- Hybrid
Experience Level
- Senior
Education Level
- Bachelor's degree in Computer Science or a related field
About the Company
- 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.
- The Platform Team owns the shared foundations — developer productivity, core services and infrastructure, release and test automation, and security — that lets all of engineering ship safer, faster, and at scale. We're a multiplier: we build paved roads and enable product teams, not product features.
Equal Opportunity
- Sydecar is committed to the principle of equal employment opportunity for all employees and to providing employees with a work environment free of discrimination and harassment. All employment decisions at Sydecar are based on business needs, job requirements and individual qualifications, without regard to race, color, religion or belief, national, social or ethnic origin, sex (including pregnancy), age, physical, mental or sensory disability, HIV Status, sexual orientation, gender identity and/or expression, marital, civil union or domestic partnership status, past or present military service, family medical history or genetic information, family or parental status, or any other status protected by the laws or regulations in the locations where we operate. Sydecar will not tolerate discrimination or harassment based on any of these characteristics. Sydecar encourages applicants of all ages.