# Hightouch Interview Guide (2026): Reverse ETL Engineering

Source: https://www.techinterview.org/companies/hightouch-interview-guide/
Updated: 2026-07-12 · techinterview.org

**TL;DR —** The Hightouch engineering interview focuses on reverse ETL — moving data out of the warehouse (Snowflake, BigQuery, Databricks) and into operational tools like Salesforce and HubSpot — so expect coding and system design rounds built around sync reliability rather than generic algorithm puzzles. You'll be asked to reason about incremental syncs, schema drift, idempotency, and third-party API rate limits, and to design pipelines that recover cleanly from partial failures. Behavioral rounds probe ownership and how you operate in a small, fast-moving engineering team.

Hightouch pioneered the "reverse ETL" category — sync data from your warehouse (Snowflake, BigQuery, Redshift) to operational tools (Salesforce, HubSpot, Iterable). Now expanding to Composable CDP. The interview emphasizes data engineering, [SQL fluency](/post/3233474463/sql-interview-questions-2025-window-functions-cte-joins-subqueries-indexing-query-optimization-transactions-normalization/), and the reliability concerns of moving customer data between systems.

## Process

Recruiter screen → 60-minute [coding pair](/algorithm-patterns-cheat-sheet/) → onsite virtual: 2 coding, 1 [system design](/category/system-design/), 1 craft deep-dive, 1 [behavioral](/post/3233460379/behavioral-interview-questions-2026-star-method-amazon-leadership-principles-and-winning-answers/). Cycle: 3–4 weeks.

## What they actually ask

- Design a sync engine that pushes 10M rows from a warehouse to Salesforce without exceeding [rate limits](/post/3233474159/system-design-rate-limiter-token-bucket-sliding-window-leaky-bucket-distributed-rate-limiting-api-gateway/). Talk through batching, respecting Salesforce's Bulk API quotas, backpressure, and checkpointing so a mid-sync failure resumes without re-sending every row.

- Design diff detection that finds only changed rows for incremental syncs. Expect to compare snapshots with row hashes or change-data-capture, keep a state table of last-synced values, and handle deletes and schema drift — interviewers want to see how you avoid a full-table scan on every run.

- Design a connector framework with retry, dead-letter, and observability. Cover idempotent writes, exponential backoff with jitter, a dead-letter queue for poison rows, and per-sync metrics and logging; the goal is a plugin-style abstraction that adds a new destination without touching the core.

- Coding: [medium DSA](/problems-by-difficulty/), often with parsing or transformation flavor. Practice string parsing, grouping, and map/reduce-style reshaping rather than exotic graph theory — a common task is converting one record format into another under time pressure.

- Behavioral: customer focus, written communication, working with non-technical buyers. Bring examples where you translated a data problem for a marketing or ops stakeholder, and where clear async writing unblocked a decision; expect follow-ups on handling a customer escalation.

## Levels and comp (2026)

- SE II: $170K–$210K [total](/total-comp-calculator/)

- Senior SE: $250K–$320K

- Staff: $350K–$460K

- Principal: $480K–$620K

## Prep priorities

- Be fluent in TypeScript/Node.js and SQL. The product is TypeScript/Node end to end, so be quick with async patterns and typing; on SQL, know window functions, incremental filters, and how to reason about query cost against a warehouse.

- Understand modern data stack: Snowflake, BigQuery, dbt, Fivetran. Know where reverse ETL sits downstream of the warehouse and dbt models, and how it differs from ingestion tools like Fivetran that load data in.

- Read about reverse ETL patterns and customer data infrastructure. Understand audience and segment activation, identity resolution, and why syncing from the warehouse beats point-to-point integrations — Composable CDP questions build directly on this.

## Frequently Asked Questions

### Is Hightouch fully remote?

Yes. Distributed across US and EU. Hubs in San Francisco optional.

### How does Hightouch compare to Census?

Both reverse ETL leaders. Hightouch broader on Composable CDP / audience activation. Comp is comparable.

### What is the bar like for senior roles?

High. Strong technical writing, demonstrated craft, and customer empathy all matter.