Senior Full Stack Engineer

Spara (Headquarters: Hybrid NYC (3-4 days in-office))

Full Stack Senior Engineer Python FastAPI React TypeScript Tailwind CSS Postgres pgvector Google Cloud GCP Docker GitHub Actions CI/CD Web Development SaaS Enterprise Software Sales Tech Full Stack Engineer

Spara builds enterprise-grade AI agents that instantly engage, qualify, and convert sales leads into revenue. We're solving a complex, high-impact sales problem ($28B market) through sophisticated multi-modal interactions—chat, email, voice, and beyond—leveraging leading-edge foundation models from OpenAI, Anthropic, and more. We're an experienced, tight-knit team backed by Radical Ventures & Inspired Capital, with support from AI luminaries including founders of PyTorch and Google Cloud TPU. Our team is passionate about building AI to drive real business outcomes for our customers.

Role: Senior Full Stack Engineer

Responsibilities: Develop and scale Spara's core product suite, user interfaces, and backend systems, including sales workflow orchestration features. Contribute significantly to technical design and implementation across the full stack. Collaborate effectively with product, design, and AI teams to deliver high-quality, impactful features. Write clean, maintainable, and well-tested code.

Technical Skills: Strong experience in full-stack development. Proficient in Python (specifically FastAPI) for the backend and React/TypeScript/Tailwind CSS for the frontend. Solid experience with PostgreSQL (ideally including pgvector), Google Cloud Platform services, Docker, and CI/CD pipelines using GitHub Actions. Ability to build and maintain complex web applications and contribute to system design.

Ideal Candidate: An experienced full-stack engineer who enjoys building both user-facing features and the backend systems that power them. Thrives in a collaborative, fast-paced startup environment and is comfortable taking ownership of features from conception to deployment. Senior level implies strong technical skills and the ability to work independently and contribute effectively to the team's goals.