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Linq Tech Stack

Messaging API for iMessage, RCS/SMS, and voice

Professional Services Birmingham, Alabama 11–50 employees Founded 2019 Privately Held

Linq operates a unified messaging API spanning iMessage, RCS/SMS, and voice—a full-stack infrastructure play requiring Go backends, React frontends, and real-time protocol handling. The hiring pattern (14 engineers, 5 marketers, 1 data hire) reflects a product-market validation phase shifting toward paid acquisition, evidenced by active work on CAC/LTV forecasting, ad experimentation, and search campaign optimization alongside core API scaling challenges.

Tech Stack 35 technologies

Core StackReact Next.js Go TypeScript Python Docker AWS Heroku dbt Grafana Looker Snowflake Datadog PagerDuty Google Ads Node.js Mixpanel Amplitude Slack Azure SQL Git APNs Google Analytics 4 ChatGPT Google LinkedIn Meta Google Workspace Notion+4 more

What Linq Is Building

◆Challenges

Optimizing resource allocation
Expired certs
Rate limits
Protocol changes
Acquiring developers and businesses at scale
Scaling apis
Optimizing conversion funnel
Attribution infrastructure
Scaling paid channels from scratch
Improving data insight

▲Active Projects

Building and shipping features in react/next.js, typescript, and go backend systems and api infrastructure in node tooling
Establishing attribution infrastructure
Pipeline cac ltv forecasting
Messaging platform apis
Ad experimentation framework
Building and shipping features in react/next.js
Load testing for messaging protocols
Fallback system design
Building paid acquisition channels
Optimizing search display social campaigns

Hiring Activity

Accelerating25 roles · 25 in 30d

Department

Engineering

14

Marketing

5

Data

1

Growth

1

Operations

1

Product

1

Seniority

Mid

12

Intern

4

Junior

3

Manager

2

Senior

2

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About Linq

Linq provides a messaging API enabling developers to send iMessage, RCS/SMS, and voice through a single unified interface. Founded in 2019 and based in Birmingham, Alabama, the company operates as a developer-infrastructure business targeting mid-market SaaS and consumer applications. The technical stack spans React and Next.js frontends, Go and Node.js backends, AWS and Azure deployment, and observability via Datadog, PagerDuty, and Grafana. Current operational focus includes messaging protocol reliability, API scaling, and building attribution and paid-acquisition infrastructure.

HeadquartersBirmingham, Alabama

Company Size11–50 employees

Founded2019

Hiring MarketsUnited States

Frequently Asked Questions

What tech stack does Linq use?

Frontend: React, Next.js, TypeScript. Backend: Go, Node.js, Python. Infrastructure: AWS, Azure, Heroku, Docker. Data/observability: Snowflake, dbt, Grafana, Looker, Datadog, PagerDuty, Mixpanel, Amplitude.

What is Linq working on?

Core shipping: React/Next.js and Go API features, fallback system design, load testing for messaging protocols. Growth: attribution infrastructure, CAC/LTV forecasting, paid acquisition channels, ad experimentation, and search campaign optimization.