3 big data developer jobs at 3 companies in Oconomowoc, WI

PromotedHiringCafe
Founding Machine Learning / AI Search Engineer
Cupertino, CA, US
$160k-$310k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Build the ML and AI search behind HiringCafe — ranking, recommenders, retrieval, and LLM agents that surface jobs people would never find on their own.
Python, PyTorch, Elasticsearch, LLMs
1mo
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Big Data Engineer, Senior
Milwaukee, Wisconsin, United States
OnsiteFull Time
Fiserv
FiservNew York Stock Exchange: FI: Provides financial technology solutions for merchants and financial institutions.
4+ YOEBachelor’s degree in CS/CE/EE or related field; 4 years in data analytics/engineering; experience with SQL, Python/Scala/Java; ETL pipelines; cloud platforms; data quality; version control.
SQL, Python, Scala, Java, Azure, AWS, GCP, ETL, Git, CI/CD, Data Validation
1w
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Sr. Data Engineer
Madison, Wisconsin, United States
$101k-$172k/yr OnsiteFull Time
Exact Sciences
Exact SciencesNASDAQ: EXAS: Provides molecular diagnostic tests for early cancer detection.
Bachelor's in data/computer field or HS+4yrs; expertise with Spark on Snowflake/Databricks, Python/Scala/SQL, ETL pipelines, database architecture, Big Data formats, cloud services, and Tableau.
Spark, Snowflake, Databricks, Python, Scala, SQL, Parquet, Avro, Delta Lake, AWS, SQS, S3, GitLab, JIRA, Confluence, REST API, Tableau, Model Context Protocol (MCP), Braze
3mo
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ET Conversion - 2026 - Technology - Full Time
Menomonee Falls, Wisconsin, United States
OnsiteFull Time
Kohl's
Kohl'sNYSE: KSS: American department store retail chain selling apparel and home goods.
Entry-level software engineering role requiring proficiency in one or more stacks (Java/Spring, big data, UI, mobile, SaaS, or app modernization); knowledge of CI/CD, source control, databases, and modern cloud/platform tooling; Bachelor's preferred.
Java, JEE, Spring Boot, Spring MVC, Spring Batch, Spring Security, Gradle, Maven, GIT, SQL, NoSQL, Jenkins, PL/SQL, Spark, Python, Scala, Airflow, MapReduce, Pig, Hive, Kafka, Sqoop, Flume, NodeJS, ECMAScript, CSS, HTML, JavaScript, React, ReactJS, NextJS, Kotlin, Android, Objective-C/C++, Swift, Xcode, Docker, Microsoft SQL Server, PostgreSQL, .NET, Microsoft Azure, GCP, AWS