Some of the major software names and companies that still heavily depend on Java in 2025:
Prominent Companies Using Java in 2025
- Google uses Java extensively for server-side applications and UI, including Android app development and backend services. (GeeksforGeeks, Softjourn Inc)
- Amazon relies on Java across its e-commerce platform and AWS infrastructure. (GeeksforGeeks, Softjourn Inc)
- Netflix, LinkedIn, Uber, Airbnb, Spotify, and Meta (Facebook/Instagram) all integrate Java deeply into their backend ecosystems to support high scalability and reliability. (GeeksforGeeks, Softjourn Inc)
- Oracle itself uses Java across many of its enterprise products, including middleware, cloud services, and its Java Platform offerings. (GeeksforGeeks, Lead Grow Develop)
- IBM and SAP continue strong investment in Java-based enterprise solutions (ERP, CRM systems). (Lead Grow Develop, Calibraint)
- Microsoft, Amazon (AWS), and Google Cloud all offer robust support for Java through their cloud services and even produce their own supported JDK variants (e.g., Amazon Corretto). (virtuslab)
- According to data from Landbase, over 11,000 companies across industries like manufacturing, retail, tech, and healthcare use Java Platform, Enterprise Edition (Java EE) in 2025—with clients including Amazon, Walmart, Apple, NVIDIA, Microsoft, Samsung, Google, and IBM. (data.landbase.com)
- Similarly, about 195 firms deploy Java Application Developer technologies—ranging from IBM and JPMorgan Chase to Accenture, TCS, Siemens, and Citigroup. (Landbase)
Why Java Remains a Backbone Today
- Enterprise trust: Java continues to power mission-critical systems like ERP, CRM, financial trading, healthcare, and government systems. (Lead Grow Develop, The Hans India, Netguru)
- Proven performance & stability: Java offers mature tooling, runtime performance, and reliable backward compatibility—all vital for large-scale systems. (LinkedIn, Calibraint, bjitgroup.com)
- Cloud-native readiness: Modern frameworks such as Quarkus, Micronaut, and Spring Boot optimize Java for containerized, serverless and Kubernetes environments. (Wikipedia, Lead Grow Develop, H2K Infosys)
- Android ecosystem: Although Kotlin is increasingly popular, Java still underpins a huge share of legacy and current Android applications. (LinkedIn, Lead Grow Develop)
- Wide adoption across sectors: Major industries—finance, manufacturing, telecom, IoT, data analytics—still heavily rely on Java for its versatility and scalability. (Netguru)
Real-World Voices
From Reddit users with real-world experience:
“I think most enterprise software still uses Java. Like Amazon and Netflix are almost completely Java… companies with 100+ new jobs posted this year and looking for Java experience: Apple, ServiceNow, Booz Allen, JPMorgan, Walmart, Amex, Leidos”
— Reddit r/cscareerquestions (Reddit)“Yes, java is used widely, also you can learn Kafka with Spring Boot—many companies use that like Barclays.”
— Reddit r/developersIndia (Reddit)“A printing company in the U.S., exclusively a Java/JVM shop... a bank maintains old and writes new Java apps... startups also building new banking stacks in Java.”
— Reddit r/java (Reddit)“If you are gunning for large, enterprise grade web applications, Java is the way to go... in finance and telecoms.”
— Reddit r/PinoyProgrammer (Reddit)
Summary Table
| Category | Java's Role in 2025 |
|---|---|
| Big Tech & Enterprise Firms | Google, Amazon, Netflix, LinkedIn, IBM, SAP, Oracle, Meta, etc. |
| Cloud Providers & Tooling | AWS (Corretto), Microsoft Azure, GCP support Java and enterprise use |
| Enterprise Software & Frameworks | Java EE, Spring Boot, Quarkus, Micronaut remain widely used |
| Android Ecosystem | Java remains a foundation for many apps |
| Industry Adoption | Finance, healthcare, manufacturing, IoT, telecom—all rely on Java |
| Developer Trends | Continued hiring for Java skills in enterprise and backend roles |
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