Full Stack Software Engineer (AI Platform)
Role Overview
As a Senior Software Engineer on the Growth & Activation team, you will design and build member-facing products and internal systems, focusing on areas like the growth funnel, couponing, and member activation flows. You will take ownership of projects from design to post-production support, collaborating with product and design teams to enhance user experiences and drive scalability. This role involves mentoring other engineers and balancing technical decisions with product impact to accelerate member onboarding and conversion.
Perks & Benefits
This is a remote position with a hybrid work model based in San Francisco, offering flexibility for in-office and remote work. Benefits include flexible PTO, 14 company holidays, 100% medical, dental, and vision coverage for employees, a 401k plan, equity package, and reimbursements for commuter expenses and wellness. The culture emphasizes autonomy, egoless learning, and team connection through quarterly virtual events and an annual in-person summit.
Full Job Description
About Collective:
Collective is on a mission to redefine the way businesses-of-one work. Our technology and team of trusted advisors help members achieve financial independence by taking care of everything from business incorporation to accounting, bookkeeping, tax services, and access to a thriving community, all in one integrated platform. We believe in empowering self-employed people to enjoy the same tax savings that big companies get, so they can focus on their passion, not paperwork.
Featured in Forbes, Business Insider, Yahoo, Bloomberg, Financial Times, TechCrunch, and more. We are backed by General Catalyst, Sound Ventures (Ashton Kutcher and Guy Oseary), QED Investors, Google’s Gradient Ventures, Expa, and other investors who have financed iconic companies like YouTube, Substack, Twitch, Box, Hims, Instacart, and Lyft.
About the role:
We’re looking for an exceptional software engineer to join our AI Platform team. You will have a rare chance to create a core capability from the ground up, integrating Artificial Intelligence, Generative AI, and intelligent agent technologies to influence Collective's operations and growth.
This is an exciting opportunity to develop a foundational feature that will shape how Collective functions and expands. As a senior engineer on this team, you will directly improve productivity, reduce operational hurdles, and help serve our expanding community of entrepreneurs by building innovative AI solutions. This role is critical to achieving non-linear scalability, where our business expansion significantly outpaces increases in operational headcount.
What you'll do:
Build end-to-end product features in close partnership with product and design teams.
Write high-quality, reliable code that’s easy to maintain and scale.
Collaborate with the team to make key architectural decisions that drive scalability.
Lead by example, foster a culture of egoless learning, and mentor other engineers.
Approach problems with a strong product mindset—balancing technical decisions with member impact.
Take extreme ownership across the full lifecycle: design, execution, launch, and post-production support.
Drive initiatives that grow our member base to the next level of scale.
Enhance customer activation flows to ensure a smooth onboarding experience.
Help members reach their “aha” moment faster through seamless, thoughtful product experiences.
Work across different parts of the system to create coherent, end-to-end user experiences.
Tech stack & environment:
Core: Python (Django/FastAPI), React, TypeScript.
Data/Infra: PostgreSQL, Redis, AWS, Docker/Kubernetes.
AI/ML (Emerging): LLM integration (OpenAI/Anthropic), LangChain/LangGraph, Vector Databases, and Agentic frameworks.
What you'll bring:
4+ years of professional working experience in full-stack development with a strong focus on backend systems, and the flexibility to dive into frontend or other areas as needed to move the product forward.
Proficiency in Python and PostgreSQL, with solid familiarity in AWS technologies, React, and Next.js.
Curiosity to explore new technologies, with the ability to thoughtfully leverage AI to enhance product experiences while understanding its limitations.
A strong sense of urgency and ownership in driving projects from design through execution and support.
Proven ability to communicate complex technical concepts clearly to stakeholders across diverse functions.
What we offer:
Hybrid Work Model: Based in San Francisco with a balance of in-office and remote flexibility
Fresh Lunch: Provided on in-office days
Commuter Support: $150 monthly reimbursement for transit expenses
Health & Wellness: $200 quarterly reimbursement to support your well-being
Time Off: Flexible PTO plus 14 company holidays
Comprehensive Coverage: 100% medical, dental, and vision for employees; 75% coverage for dependents
Parental Leave: 16 weeks fully paid
Retirement & Ownership: 401k plan plus an equity package
Team Connection: Quarterly virtual events and an annual in-person summit
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