Summary
Overview
Work History
Education
Skills
Timeline
Generic

Ofir Chityat

Rishon LeZiyyon

Summary

Dynamic Engineering Manager with a proven track record at ZipRecruiter, leading a 7-engineer team to achieve 3× organic traffic growth through innovative SEO strategies. Expert in Big data processing and specifically Spark, fostering a data-driven culture while enhancing system performance and reliability. Strong collaborator, driving impactful product decisions through A/B testing and stakeholder engagement.

Overview

10
10
years of professional experience

Work History

Engineering Manager

Ziprecruiter
12.2022 - Current
  • Led a 7-engineer cross-functional team to drive organic job seeker growth through programmatic SEO.
  • Designed and scaled systems handling billions of requests and SEO pages with low latency to maximize Google crawl budget.
  • Directed real-time streaming services and Spark-based pipelines to prioritize and enrich SEO pages for maximum ROI.
  • Championed data-driven decision-making via large-scale A/B and URL bucket tests, accelerating product iteration.
  • Drove technical strategy using AWS, Kubernetes, Go APIs, Spark, and Next.js, contributing to 3× organic traffic growth in 3 years.

Senior Data Engineer

Ziprecruiter
12.2021 - 12.2022
  • Designed and maintained large-scale Spark pipelines processing billions of rows on schedule.
  • Optimized pipeline runtime from hours to minutes, improving reliability and data freshness.
  • Built end-to-end pipelines integrating with S3, DynamoDB, and low-latency web apps.
  • Leveraged Kafka and AWS SQS to handle massive data throughput efficiently.
  • Developed data services for A/B tests and aligned pipelines with SEO KPIs, driving traffic growth.

Data Engineer

ZipRecruiter
02.2021 - 12.2021
  • Built and optimized large-scale Spark pipelines to select top 10M pages from billions, improving accuracy, reliability, and runtime.
  • Delivered end-to-end solution from design to production, integrating with S3, DynamoDB, and Go APIs for low-latency data access.
  • Partnered with data science and product teams to align with business goals, maximizing SEO impact.

Data Engineer

8200 - Idf
12.2015 - 02.2021
  • Designed and built a large-scale data processing system from scratch, handling billions of rows with strict freshness SLAs.
  • Developed end-to-end pipelines with Hive/MapReduce, later migrating to Spark for major performance and scalability gains.
  • Used HBase for low-latency access and Solr for search, enabling fast filtering and free-text search across massive datasets.
  • Led the project end-to-end, ensuring stability, accuracy, and reliability under limited infrastructure resources.

Education

Bachelor of Science - Computer Science

The College of Management(In Parallel To High School)
07-2015

Skills

Leadership & Management:

  • Engineering team leadership (7 engineers)
  • Agile methodology, sprint planning & prioritization
  • Hiring, mentoring & performance management
  • Stakeholder collaboration & roadmap planning
  • Data-driven decision-making (A/B tests, URL bucket tests)

Technical Expertise:

  • Backend & Systems: Go (Golang), REST & gRPC APIs, Python
  • Big Data & Pipelines: Apache Spark, Airflow, Datalake(S3), Kafka, Athena, Hive, MapReduce, Hadoop (HDFS), Jupyter Notebook, Datahub
  • Frontend & SSR: NextJS, React, Node, Go & Hero templates, Figma
  • Databases - MySQL, DynamoDb, Hbase, Solr, OpenSearch
  • Monitoring - Promethus, Grafana, Thanos
  • Infrastructure: Kubernetes, ArgoCD, Github, AWS
  • Data Validation & Analytics: A/B testing, experimentation frameworks, KPI-driven optimization, Statsig, Periscope

Timeline

Engineering Manager

Ziprecruiter
12.2022 - Current

Senior Data Engineer

Ziprecruiter
12.2021 - 12.2022

Data Engineer

ZipRecruiter
02.2021 - 12.2021

Data Engineer

8200 - Idf
12.2015 - 02.2021

Bachelor of Science - Computer Science

The College of Management(In Parallel To High School)

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Ofir Chityat