Build the data pipelines and lakehouse infrastructure behind Twilio's Data Platform

Twilio is hiring a Software Engineer for its Data Platform team to design and operate the frameworks that ingest, process, and analyze data at scale using the modern big-data stack (Kafka, Spark, Hive, Hudi, Presto, Airflow) on AWS. This interview probes 5+ years of hands-on distributed-data-systems experience, AWS-at-scale judgment, and the ability to turn ambiguous business requirements into reliable, cost-efficient data infrastructure.

Practice this interview

Free · a live voice mock calibrated to this exact role

Start the mock interview

What this interview tests

Big data pipeline design (Kafka/Spark/Hive/Hudi/Presto/Airflow)
AWS data services at scale (Lakeformation, Glue, Athena)
Distributed systems fundamentals and data quality/integrity
Translating business requirements into technical architecture
Mentoring early-career engineers

Common question themes

Walk through a data pipeline you designed end-to-end and the tradeoffs you made

How would you architect ingestion for a new high-volume data source with reliability and cost constraints

Handling schema evolution or data quality issues in a production pipeline

Collaborating with analysts/product teams to scope an ambiguous data request

Debugging a Spark/Kafka performance or reliability issue at scale

Mentoring a junior engineer on a data platform problem

How candidates describe it

Real Software Engineer interview stories — retold from candidates' public write-ups, with sources.

Google · L3 Software EngineerOffer

Google L3 software engineer interview: phone screen, four coding rounds, and the Googleyness round

A candidate with two years of experience went from recruiter outreach to offer over about four months. The onsite was four 45-minute coding rounds — three of them featuring binary trees — and one round turned into a 25-minute chain of follow-ups about approximating an optimal solution at scale.

Interviewed June 2020 · Bangalore, IN

Google · L4 Software EngineerNo offer

Google L4 Software Engineer Interview: Eight Rounds, No Offer

An L4 Software Engineer candidate went through two phone screens, three onsite rounds, a culture conversation, and a team-matching call with a Google hiring manager, then watched the process stall for about a month and a half over a tightened experience requirement before an added extended round ended without an offer.

Interviewed February 2024 · Not specified

Google · L5 Software EngineerNo offer

Google L5 software engineer interview: phone screening, three onsite rounds, system design, and a late rejection

A candidate interviewing for an L5 role went through a phone screening, three onsite coding rounds, a mobile system design round, and a Googleyness and Leadership round. Two of the four technical rounds went poorly by the candidate's own assessment, and after roughly two months of silence the recruiter reported that the role had been closed.

Interviewed January 2023 · Not specified

View the original posting

All Twilio Software Engineer interviews

All Twilio interviews