---
title: 'Senior Full Stack Engineer at Unify'
canonical: 'https://feeny.ai/job/senior-full-stack-engineer-unify-redwood-city-141dxbq9z41k'
type: 'job'
last_seen: '2026-09-07'
---

# Senior Full Stack Engineer at Unify

- **Company:** Unify
- **Location:** Redwood City, CA
- **Employment:** full-time
- **Posted:** 2020-02-08
- **Last confirmed live:** 2026-09-07
- **Apply:** https://jobs.lever.co/unify/d9756e0b-9878-4acc-8e0f-607be74487e7

## Job description

## About Prove (acquired UnifyID)

Prove is the modern platform for continuous identity authentication and is used by over 1,000 enterprises and 500 financial institutions, including 9 of the top 10 U.S. banks. Prove’s cloud solutions, and mobile intelligence-driven APIs can be easily orchestrated to increase Approve Rates to over 90%, enabling companies to authenticate customer identities accurately, effortlessly, and privately while mitigating fraud. Prove’s solutions are available in 195 countries.

For the latest updates from Prove, follow us on LinkedIn.

## About the role

We are looking for a seasoned software engineer to join our A+ technical team in designing, building and deploying solutions that span our entire tech stack into production.

UnifyID is building a platform to solve one the world’s biggest unsolved security problems in a completely novel way, requiring us to push the boundaries of what’s possible in production machine learning and on mobile devices.  Our data analytics platform can translate mobile sensor data from real-world human activity into a “digital fingerprint” with no conscious action from the user, all in real-time, and in a way that respects user privacy.  This is an opportunity to be a part of something truly unique and game-changing.

We are looking for natural-born builders who are comfortable in multiple technical areas, have creative problem-solving skills, a love for coding and technology and a “get stuff done” attitude.

## Your day-to-day

- Be an early member of a high-performing team of full stack software engineers building a new human identity platform
- Take ownership, be creative, and think outside the box to invent and build solutions to real-world customer problems
- Understand how the entire system works end-to-end, and eventually become known as the expert in multiple areas
- Gain a working knowledge of machine learning and mobile sensor data to help solve problems related to real-time signals processing
- Wear many hats to make things happen in a dynamic startup environment
- Bring your own unique expertise to the team and learn from others
- Enjoy tight collaboration with your teammates

Ideal candidates will have...

- Spent at least 5 years in the trenches of the software industry, delivering quality software that matters to people that care
- Many “been there, done that” stories related to shipping and maintaining major software products for customers
- Excellent coding skills in at least two object-oriented languages (Go, Python, Rust, Java, C++, Ruby, etc...)
- Hands-on experience deploying services using Kubernetes on AWS
- The ability to argue fluently about security and scalability
- Experience working with high volumes of data, ideally with machine learning playing a critical role
- A breadth of technical skills and know how to use the right tool for the job
- High motivation and ability to learn new technologies and domains
- A positive can-do attitude and bring a passion for excellence to the workplace
- Excellent collaboration and communication skills
- Knowledge of cybersecurity, signals processing, or experience working with time-series data a bonus

## About Unify

## Company Overview
- **One-liner**: Unify is an AI-native platform that automates outbound sales prospecting, research, and multi-channel sequencing to help revenue teams generate pipeline faster.
- **Entity Type**: Private (Series B, August 2025)
- **Headquarters**: San Francisco, California, United States (with office in New York, NY)
- **Founded**: 2023
- **Founders**: Austin Hughes (CEO) and Connor Heggie (CTO)

## Core Business
- **Primary industry**: Sales technology / AI-powered revenue intelligence / B2B sales engagement
- **Target customers**: B2B sales, marketing, and growth teams at high-growth product companies (e.g., Perplexity, Together AI, Decagon, Juicebox, Airwallex)
- **Mission**: “Transform growth into a science” – [unifygtm.com/about](https://www.unifygtm.com/about)

## Products & Services
- **Unify Platform**: An end-to-end AI outbound platform that combines intent signals, prospecting, contact enrichment, email sequencing, call tasks, and automated plays in a single chat-based interface. Includes 50+ native skills, 40+ data sources, multi-vendor email/phone waterfall enrichment, managed email deliverability, and reporting/analytics. [unifygtm.com](https://www.unifygtm.com/)

## Market Standing
- **Valuation/Market Cap**: Not publicly disclosed
- **Total Funding**: $74.7M across 4 rounds (Seed 2023, Seed 2024, Series A Oct 2024, Series B Aug 2025)
- **Notable Investors/Partners**: OpenAI, Thrive Capital, Emergence Capital, Battery Ventures
- **Growth Signals**: 115.5% YoY headcount growth (88 employees); has powered over $786M in pipeline for hundreds of companies; serves leading AI-native firms like Perplexity, Together AI, and Decagon. [linkedin.com/company/unifygtm](https://www.linkedin.com/company/unifygtm)

## Competitive Advantages
- **AI-native architecture**: A single agent with the full outbound toolkit (research, list building, sequencing, automation) accessible through a conversational interface.
- **Deep data integration**: Access to 1.1 billion people and 65 million companies, combined with 40+ data sources and real-time signal layering (job changes, funding, web visits, tech stack).
- **Top-tier backing & customer base**: Backed by OpenAI and other elite VCs; used by some of the fastest-growing product companies in the world.

## Strategic Focus
- Continue building the “first platform that transforms growth into a science” by reducing administrative burden on sellers and automating repetitive prospecting tasks.
- Expand AI agent capabilities and signal-based automation to help sellers focus on high-value accounts.
- Aggressively hiring for engineering roles (Senior/Staff Software Engineer, SRE, Engineering Manager) to scale the platform. [unifygtm.com/careers](https://www.unifygtm.com/careers)

## Why Work Here
- **In-person culture**: Offices in San Francisco and New York City; expects employees to work on-site (hybrid/remote options noted for some roles). [builtin.com/company/unify-unifygtmcom](https://builtin.com/company/unify-unifygtmcom)
- **High-growth environment**: 115% YoY headcount growth, backed by world-class investors, and serving cutting-edge AI companies.
- **Perks & benefits**: Employee discounts, family medical leave, customized development tracks, competitive compensation.
- **Employer rating**: 5.0/5.0 on LinkedIn (1 review) with high marks for work-life, compensation, and culture. [linkedin.com/company/unifygtm](https://www.linkedin.com/company/unifygtm)

## Sources
1. [Unify Careers](https://www.unifygtm.com/careers)
2. [Unify Homepage](https://www.unifygtm.com/)
3. [Unify About](https://www.unifygtm.com/about)
4. [LinkedIn Company Page](https://www.linkedin.com/company/unifygtm)
5. [BuiltIn Profile](https://builtin.com/company/unify-unifygtmcom)

## Other roles at Unify

- [Technical Account Manager](https://feeny.ai/job/technical-account-manager-unify-redwood-city-33ww4vnpx42g) — Redwood City, CA
- [Senior Android Engineer](https://feeny.ai/job/senior-android-engineer-unify-redwood-city-d4xnsfsngv6b) — Redwood City, CA
- [Lead iOS Engineer](https://feeny.ai/job/lead-ios-engineer-unify-redwood-city-dx1c2gwwfysw) — Redwood City, CA
- [Senior iOS Engineer](https://feeny.ai/job/senior-ios-engineer-unify-redwood-city-c4zaz7gf8cpq) — Redwood City, CA
- [QA Engineer](https://feeny.ai/job/qa-engineer-unify-redwood-city-c4nj1d2zdg7s) — Redwood City, CA
- [Machine Learning Engineer](https://feeny.ai/job/machine-learning-engineer-unify-redwood-city-02t3w8ddqr40) — Redwood City, CA
- [Lead DevOps Engineer](https://feeny.ai/job/lead-devops-engineer-unify-redwood-city-evhtfh2cz3fq) — Redwood City, CA
- [Lead Android Engineer](https://feeny.ai/job/lead-android-engineer-unify-redwood-city-xkgmphy7t33p) — Redwood City, CA
- [Senior Full Stack Engineer](https://feeny.ai/job/senior-full-stack-engineer-setpoint-austin-jtf0gzq87sw8) — Austin, TX
- [Senior Full Stack Engineer](https://feeny.ai/job/senior-full-stack-engineer-tem-united-kingdom-0ha8kbsgsgaz) — United Kingdom