---
title: 'Senior Software Engineer: AI at Swayable'
canonical: 'https://feeny.ai/job/senior-software-engineer-ai-swayable-new-york-6a7dvqj0yvjr'
type: 'job'
last_seen: '2026-09-07'
---

# Senior Software Engineer: AI at Swayable

- **Company:** Swayable
- **Location:** New York, NY
- **Work type:** remote
- **Posted:** 2026-09-03
- **Last confirmed live:** 2026-09-07
- **Apply:** https://job-boards.greenhouse.io/swayable/jobs/5230279007

## Job description

## About Swayable

Swayable is a fast-growing AI and automated data science platform that measures public opinion and the impact of messages and advertising content on it. We are a 40-person team backed by top technology and social impact investors, including Y Combinator. Founded in 2018 by physics PhDs, it is led by the former Executive Director for Digital Strategy at the New York Times. Clients include major consumer-facing brands (American Express, Airbnb, Paramount Pictures), technology companies (Anthropic, Meta, Amazon), academic researchers (MIT, Yale, Stanford) and mission-aligned civic advocacy campaigns (e.g. on climate, human rights and elections).

Joining Swayable means being on a team whose work changes the course of history. The technology we develop is at the leading edge of transforming some of the world’s most important campaign organizations and enterprises: combatting disinformation, protecting democracy, and supporting the sustainable growth of consumer-facing brands. Check our our values & culture deck to learn more: https://tinyurl.com/4zjchwzs

Technology stack

Swayable uses Python (Numpy, Scipy, scikit-learn, Pandas, Celery, Flask), JavaScript (Vue.js, Node.js), MongoDB, and GraphQL.

## About the role

Swayable is seeking a Senior Engineer blending Python software development expertise with scientific computing, machine learning, and AI experience to advance the state of the art analytics engine that powers our core product. In this role, you will be part of the team that productizes all AI, machine learning, and data analysis at Swayable. You will be responsible for building, maintaining, and continuously improving our tools, techniques, and architecture for high-performance computing. You will work with a talented and diverse team of engineers, data scientists, and research staff to build new features and solve novel problems across the spectrum of software engineering, data visualization, and science.

## Requirements

- You have 5+ years of professional experience building scientific or quantitative data-intensive software.
- You have expertise in the scientific Python stack, object oriented and test-driven development, vectorized code, and machine learning.
- You have excellent problem solving skills and attention to detail.
- You have expertise in architecting, maintaining, and optimizing distributed, parallel computing systems.
- You keep up with the constantly evolving toolset for ML and AI Ops.
- You are knowledgeable about software architecture and can design scalable, performant solutions.
- You value code quality and write maintainable, testable code.

## Preferred qualifications

- You have an advanced degree (MSc or Ph.D.) in STEM.
- You have a thorough knowledge of the Linux operating system.
- You have experience with Celery, and MongoDB.
- You believe in the scientific method and use data to drive decisions.
- You can give and receive informed, actionable feedback on technical and non-technical skills.
- You are experienced at mentoring junior engineers.
- You are a strong communicator, especially in text. You can write documentation and discuss the tradeoffs of different implementations.

Salary range: $175k-$250k

## About Swayable

## Company Overview
- **One-liner**: Swayable provides a causal AI platform that measures how effectively media content changes opinions, using randomized controlled trials to prove advertising and messaging impact.
- **Entity Type**: Private (Public Benefit Corporation)
- **Headquarters**: New York, NY, USA (with offices in San Francisco, CA, USA)
- **Founded**: 2018
- **Founders**: James Slezak (CEO)

## Core Business
- **Primary industry**: Advertising Technology / Marketing Analytics / Causal AI for Campaigns
- **Target customers**: B2B — major brands, advertising agencies, foundations, and political campaigns
- **Mission**: To dramatically increase the impact of the stories clients tell on the world’s most important issues, operating as a public benefit corporation dedicated to effective truth-telling.

## Products & Services
- **Creative Pre-Testing Platform**: A cloud-based SaaS platform that runs automated experiments with real human respondents to measure the impact of video, image, and concept content on brand perception, purchase intent, and opinion.
- **Brand Tracking**: Tracks consumer opinion and brand equities over time with customized segmentation for granular audience insights.
- **Research Surveys**: Real-time pulse surveys on consumer sentiment and brand perception.
- **Message & Tagline Testing**: Tests language and messaging to find the strongest performing copy.
- **Campaign Comparison**: Enables side-by-side testing of creative routes to quickly identify winning content.

## Market Standing
- **Valuation/Market Cap**: Not publicly available (private company)
- **Key Metric**: Total funding not disclosed; Y Combinator Winter 2018 batch graduate; team size ~30 employees
- **Notable Investors/Partners**: Y Combinator (primary partner: Gustaf Alstromer); clients include New Balance and other major brands, agencies, and foundations
- **Growth Signals**: Currently hiring across multiple departments (data science, engineering, sales, product, client success); expanding enterprise sales with dedicated Sales Director roles; growing AI/ML engineering team

## Competitive Advantages
- **Causal AI methodology**: Uses rigorous randomized controlled trials (RCTs) on tens of thousands of verified human respondents, providing stronger evidence than correlational methods.
- **Speed**: Delivers brand lift results in 24 hours.
- **Privacy-first design**: Exceeds GDPR and CCPA standards; built with informed user consent as a core feature.
- **Public Benefit Corporation status**: Mission-driven focus on combating disinformation, protecting democracy, and supporting sustainable brand growth.

## Strategic Focus
- Scaling enterprise adoption of systematic creative testing across organizations.
- Deepening AI-native capabilities to model and understand audiences over time.
- Expanding partnerships with brands and agencies to integrate lift measurement into all stages of campaign development.
- Continuing to hire senior AI/ML talent to advance scientific computing and causal inference capabilities.

## Why Work Here
- **Mission-driven**: Work on technology that changes opinions on the world’s most important issues; team’s work is described as "changing the course of history."
- **Culture**: Public Benefit Corporation and equal opportunity employer; actively encourages women and members of underrepresented groups to apply.
- **Remote/hybrid**: Offers remote (US-based) roles alongside offices in San Francisco, New York City, and Washington, DC.
- **Diverse team**: Proud of a diverse team doing cutting-edge work at the intersection of data science, engineering, and social impact.
- **Leadership**: CEO James Slezak brings a unique background — PhD in experimental physics from Cornell, former Executive Director of Digital Strategy at The New York Times, and experience at McKinsey and Purpose.com.

## Sources
1. [swayable.com](https://www.swayable.com/)
2. [swayable.com/about](https://www.swayable.com/about/)
3. [greenhouse.io](https://job-boards.greenhouse.io/swayable)
4. [ycombinator.com](https://www.ycombinator.com/companies/swayable)

## Other roles at Swayable

- [Senior Software Engineer: AI](https://feeny.ai/job/senior-software-engineer-ai-swayable-san-francisco-k0vemnr5netc) — San Francisco, CA
- [Revenue Operations Lead](https://feeny.ai/job/revenue-operations-lead-swayable-new-york-bv5yh3y0bmh7) — New York, NY
- [Product Marketing & Enablement Manager](https://feeny.ai/job/product-marketing-enablement-manager-swayable-new-york-kz69yh8re4n0) — New York, NY
- [VP, Client Success](https://feeny.ai/job/vp-client-success-swayable-new-york-03r0nwjyrsrh) — New York, NY
- [Account Director](https://feeny.ai/job/account-director-swayable-new-york-p2atbz34jf4c) — New York, NY
- [Account Director](https://feeny.ai/job/account-director-swayable-san-francisco-v18xza842g9e) — San Francisco, CA
- [Director of Demand Generation](https://feeny.ai/job/director-of-demand-generation-swayable-new-york-wf6mbr94t7jn) — New York, NY
- [Controller](https://feeny.ai/job/controller-swayable-new-york-q2ev69ccksrr) — New York, NY
- [Research Data Scientist](https://feeny.ai/job/research-data-scientist-swayable-remote-mm2pfdy2b3g4)
- [Research Data Scientist](https://feeny.ai/job/research-data-scientist-swayable-san-francisco-wkzgj4bn3f4y) — San Francisco, CA