Breaknorm
Sign inStart free

Product

SignalsPeopleCompaniesLocal businessesMCP and API

Plays

Post engagersTeam build-outChampion movedHiring surgeNewly fundedLookalikesAll plays

Data

Coverage by countryHiring dataJob changesEmail verificationCompanies by toolWho is hiringMarket mapsOutboundCompany profilesCompare
PricingDatasetsDocsSign in
Compare · distributed processing

Spark Streaming VS Kafka Streams

As of 30 October 2026, Kafka Streams is named by 109 companies and Spark Streaming by 237; Spark Streaming skews to companies under 200 people (42% vs 32%), Kafka Streams to companies over 1,000 (39% vs 32%).

As of 30 October 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.

The website-and-DNS footprint is not comparable between a marketing suite and a CRM: Spark Streaming's script and mail records show on hundreds of thousands of small sites, Kafka Streams rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.

Spark Streaming: 2–200 employees
42%
Kafka Streams: 2–200 employees
32%
Spark Streaming: 1,000+ employees
32%
Kafka Streams: 1,000+ employees
39%
Postings per company, 90 days
2.2 · 2.7
Website or DNS footprint
0 · 0
237companies name Spark Streaming
109companies name Kafka Streams
25name both
527 · 296postings in 90 days, Spark Streaming · Kafka Streams
02Side by side

Who chooses which

Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.

By company size
SegmentSpark StreamingshareKafka StreamsshareLeans
Self-employed10%––outside top 12
2-10 employees198%66%Spark Streaming
11-50 employees229%109%even
51-200 employees5925%1917%Spark Streaming
201-500 employees4017%1413%Spark Streaming
501-1000 employees219%1716%Kafka Streams
1001-5000 employees2912%1514%even
5001-10000 employees135%98%Kafka Streams
10,001+ employees3314%1917%Kafka Streams
By industry
SegmentSpark StreamingshareKafka StreamsshareLeans
Technology & software13858%6156%Spark Streaming
Business & finance services4921%2220%even
Media & content125%22%Spark Streaming
Manufacturing & industry73%66%Kafka Streams
Utilities & infrastructure63%33%even
Commerce & trade52%44%even
Automotive42%33%even
Public, community & associations42%––outside top 12
Consumer services & leisure42%11%even
Health care21%11%even
Property & construction21%––outside top 12
Transport, logistics & rental21%22%even
Hospitality & travel––44%outside top 12
By country
SegmentSpark StreamingshareKafka StreamsshareLeans
United States15465%7064%even
United Kingdom135%98%Kafka Streams
Germany125%44%even
India104%44%even
Canada42%––outside top 12
Spain42%––outside top 12
Poland42%22%even
Singapore42%––outside top 12
Brazil31%22%even
France31%22%even
Italy31%––outside top 12
United Arab Emirates21%11%even
Australia––33%outside top 12
Japan––22%outside top 12
Sweden––22%outside top 12
Austria––11%outside top 12
Postings by team (share of each tool's postings)
SegmentSpark StreamingshareKafka StreamsshareLeans
Data & AI56372%10629%Spark Streaming
Software engineering11915%19152%Kafka Streams
IT operations & business systems223%113%even
Engineering (non-software)30%134%Kafka Streams
Product, program & project management20%10%even
Construction and civil10%––outside top 12
General management & consulting10%––outside top 12
Human resources10%––outside top 12
Unclassified10%––outside top 12
Logistics warehouse and transport––31%outside top 12
Cite this

Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.

Kafka Streams is named by 109 companies in job postings and Spark Streaming by 237; 25 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/apache-spark-streaming-vs-kafka-streams)
How we know

Read from the source, not self-reported

Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →

  • Job postingsRead hourly from career sites. A tool counts when the employer's own text names it as the team's system; both tools can count for one company.
  • Website and DNSScripts and embeds on the company's pages, plus SPF, DKIM, MX and CNAME records of its domain that point at the vendor.
  • SegmentsCountry, size and industry from the company profile built from its website.
  • Not a reviewNo ratings, prices or feature claims. For those, read the vendors.
FAQ

Spark Streaming vs Kafka Streams: questions

Which is more used, Spark Streaming or Kafka Streams?

By companies naming it in their own job postings, Spark Streaming (237) over Kafka Streams (109). By website-and-DNS footprint, Kafka Streams (0 vs 0), because its scripts and mail records sit on many small company sites.

Who chooses Spark Streaming?

42% of Spark Streaming companies have 2 to 200 employees, against 32% for Kafka Streams. 32% of Spark Streaming companies have over 1,000 employees, against 39% for Kafka Streams.

Do companies run both?

25 companies name both in their postings, usually Spark Streaming in marketing and Kafka Streams in sales, or during a migration.

Where do these numbers come from?

From the employer's own text in job postings read hourly from career sites, and from scripts found on company websites in our crawl. No vendor data, no surveys.

Companies and people

Get either list your way

The same data as a search, over MCP and the API, as bulk files, or pushed to you as it changes.

Every company on either tool,
with the person who owns it

Filter on Spark Streaming or Kafka Streams. Start free, no card.

  1. 01Sign up, no card
  2. 02Connect Claude, ChatGPT or an API key
  3. 03Ask for your market