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Staff Full Stack Engineer

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About Spara

Spara is building enterprise-grade AI agents to instantly engage, qualify, & convert sales leads into pipeline & revenue. We believe every company will soon provide AI-powered, human-level sales conversations to their customers—and we’re building the platform to make that possible.

Sales is the economic engine of every company, representing an addressable market of $28B. We're solving this complex, high revenue problem with a multi-modal approach including chat, email, voice, and beyond. This gives us a significant advantage in the market and presents exciting engineering opportunities.

We are a tight-knit, experienced team building a multi-billion dollar AI-first company in the heart of New York City. Our culture emphasizes thoughtful decisions, sustainable development practices, and steady momentum building on deep expertise.

Spara is backed by $15M in funding from top-tier venture capital firms, led by Radical Ventures & Inspired Capital, and supported by AI luminaries including founders of PyTorch and Google Cloud TPU, as well as the Head of Sales at Anthropic and Head of Platform Sales at OpenAI.

We are led by seasoned multi-time founders with deep AI and go-to-market expertise:

David, previous co-founder/CEO of Triplemint, ran training, coaching, and operations for a 250 person sales team. He led Triplemint to acquisition and currently sits on the board of The Agency RE, a $250M revenue business.
Zander was technical co-founder of Nomad Health (now post-Series D). He most recently led Platform at Hyperscience AI, developing workflow orchestration systems for computer vision models.

This Role

As a Staff Full Stack Engineer at Spara, you will:

Design and build Spara’s core product suite, including our proprietary AI engine, buyer-facing interfaces, and sales team workflow orchestration systems
Operate with a high degree of autonomy while collaborating closely with leadership to shape the product roadmap and technical vision
Drive innovation by staying current with best practices and emerging trends in AI application development
Deliver outsized impact by deeply understanding customer needs and identifying opportunities to be a force-multiplier across our team of experienced engineers
Contribute to our culture of sustainable innovation, collaboration, and continuous improvement

Spara is built with a cutting-edge stack

We ship to production multiple times a day, and continuously adopt modern tooling and practices to move quickly while maintaining quality.

FastAPI / Python
React / Typescript, Vite, Tailwind
Postgres + pgvector
Multiple foundation models, including OpenAI and Anthropic
Google Cloud, Docker
GitHub Actions

Qualifications

7+ years architecting and building large-scale web development projects
Substantial experience in React frontend development and style frameworks like Tailwind
Significant backend engineering experience (Python preferred, not required)
Strong grasp of software development methodologies, modern tooling, and technologies across the stack
Proven ability to thrive in early-stage, agile environments and define solutions in the face of ambiguity and uncertainty
Bachelor's or Master's degree in CS are nice to have but not a must

Location & Work Schedule

Hybrid: 3 days per week in our office in downtown Manhattan, with the option to work remotely on Wednesdays and Fridays

Benefits

Competitive salary and comprehensive benefits package
Sustainable work culture that values focused work and professional growth
Collaborative environment with experienced engineers solving cutting-edge challenges
In-office culture in NYC with flexibility for work-life balance
Opportunity to create measurable, real-world impact from day one

Average salary estimate

$135000 / YEARLY (est.)

min

max

$120000K

$150000K

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What You Should Know About Staff Full Stack Engineer, Spara

Welcome to Spara, where we’re on a mission to revolutionize sales conversations through advanced AI technology. As a Staff Full Stack Engineer in our vibrant New York office, you’ll play a pivotal role in designing and building our core product suite, including cutting-edge buyer-facing interfaces and workflow orchestration systems for sales teams. Your expertise will allow you to operate autonomously while collaborating with our leadership to steer the technical vision and product roadmap. At Spara, innovation is key, and you’ll stay ahead of the curve by keeping current with the latest trends in AI application development. By understanding customer needs, you’ll help us deliver outsized impact and foster a culture of sustainable innovation and continuous improvement. We work with the latest technologies such as FastAPI, React, and Google Cloud, and we deploy to production multiple times a day. We pride ourselves on maintaining a collaborative work environment, ensuring our engineers can tackle some of the most exciting challenges in technology today. We’re not just offering a role; we’re inviting you to be part of a team dedicated to building a multi-billion dollar AI-first company with a fun and engaging culture. Together, we’ll push boundaries and redefine the future of sales.

Frequently Asked Questions (FAQs) for Staff Full Stack Engineer Role at Spara

What are the responsibilities of a Staff Full Stack Engineer at Spara?

As a Staff Full Stack Engineer at Spara, your responsibilities will include designing and building our AI product suite, creating buyer interfaces, and developing workflow orchestration systems for sales teams. You'll collaborate closely with leadership to shape the product roadmap and foster innovation while delivering impactful solutions based on customer needs.