Speechify Tech Stack

AI voice assistant for reading, typing, and answering across documents and web

Software Development Remote 51–200 employees Founded 2017 Privately Held

Speechify operates a consumer-facing voice AI platform (text-to-speech, voice typing, voice assistant) serving 50+ million users across desktop and mobile. Engineering is heavily weighted toward mobile (Swift, Kotlin, iOS/macOS platforms), supported by cloud infrastructure on GCP, AWS, and Azure running Kubernetes. The hiring velocity is accelerating—66 open roles in the last 30 days, 59 engineering-heavy—with active work on B2B/enterprise integrations, payment systems, and a petabyte-scale data ingestion pipeline alongside voice agent functionality, signaling a shift from pure consumer voice features toward enterprise and backend monetization.

Tech Stack 67 technologies

Core StackHubSpot Salesforce Zapier Node.js TypeScript AWS Docker Kubernetes Jira Postman Swift SwiftUI Kotlin Java Terraform Python Apollo Clearbit Outreach Webhooks GCP Azure Linear Fastlane Kotlin Multiplatform AppKit macOS Bitrise Xcode Cloud Bash+37 more

AdoptingDocker Kubernetes

What Speechify Is Building

◆Challenges

Scaling ios app to new user base
Supporting new user base
Reducing cost of data ingestion
Sales infrastructure
Maintaining complex app architecture
Scaling backend services
Optimizing api performance
Scaling outbound systems
Building outbound engine
Scaling data ingestion to petabyte scale

▲Active Projects

B2b solutions
Simba outbound infrastructure
Payment api
Payment and subscription apis
Regression testing and release validation
Internal apis for payment, subscription, auth, consumption tracking
Manual test plans for simba team
B2b enterprise integration
Petabyte-scale data ingestion pipeline
Simba voice agents

Hiring Activity

Accelerating65 roles · 65 in 30d

Department

Engineering

Data

Sales

Seniority

Mid

Senior

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About Speechify

Speechify is a voice AI assistant that reads text aloud in 1000+ lifelike voices across 60+ languages, supports voice typing for faster input, and provides context-aware voice chat capabilities. The platform reaches 50+ million users on desktop (Chrome, macOS, Windows) and mobile (iOS, Android). Core features include playback at variable speeds (up to 4.5x), cross-device library sync, screenshot-to-audio, and celebrity-voiced options. The company has evolved from consumer-focused voice tools toward B2B enterprise products, reflected in new infrastructure work around payment APIs, subscription systems, outbound voice agents, and integrations for business customers.

HeadquartersRemote

Company Size51–200 employees

Founded2017

Hiring MarketsUnited States, Serbia, India, Germany, Switzerland, Canada, Australia, Japan

Frequently Asked Questions

What tech stack does Speechify use?

Frontend: Node.js, TypeScript, Swift, SwiftUI, Kotlin, AppKit. Infrastructure: GCP, AWS, Azure, Docker, Kubernetes, Terraform. Tooling: Salesforce, HubSpot, Jira, Linear, Postman. Currently adopting Docker and Kubernetes at scale.

What is Speechify working on?

B2B/enterprise integrations, payment and subscription APIs, voice agents for outbound (Simba), petabyte-scale data ingestion, and internal auth/consumption tracking systems. Also managing regression testing and scaling backend services to support growth.

How this profile is built

Speechify's technology stack, projects, and hiring signals are inferred from public hiring and company data — career pages, public listings, and company web presence — then clustered and de-duplicated. Figures are estimates that refresh over time. Read our full methodology →

This is not an official vendor or customer list. It is a technology-adoption signal inferred from public data, intended for B2B research.