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reddit.com › r/java › java vs nodejs

r/java on Reddit: Java vs NodeJS

January 14, 2023 -

Hello everyone!

What Are The advantage and disadvantages of using Java(springboot) instead of NodeJS as the back end of my web application.

Thanks in advance.

Few off the top of my head. NodeJS should only be picked if your load is almost entirely IO bound. You will see very few of the benefits otherwise. NodeJs codebases tend to scale smoothly until under full load while Java codebases front load a bit more. When under a full load it will depend on what sort of load to determine which one is better/faster. In general nodejs codebases perform better in horizontal scaling situations when you are running many small boxes while Spring boot/Java can better take advantage of vertical scalability. If you have one or two large servers running your application Java may outperform nodejs as it can take advantage of multiple cores when under load. Java is compiled and statically typed which eliminates several categories of bugs and you never have to worry about invalid code. NodeJS codebases require more written tests for the same guarantees and the inclusion of typescript. At the same time if your application does little with the data passing through its system it can feel like types are a burden instead of a boon. Java's tooling and deployment is a bit more complicated than NodeJs. Its changed a bunch over the years and it can be daunting to the inexperienced. Spring boot makes this easy if you follow their doc closely and don't try to figure it out on your own. Spring boot is a collection of libraries primarily centered around spring framework and bring in concepts you may not be familiar with. It would be more accurate to compare it to something like NestJS than NodeJS. You can pick a simpler Java framework to get started as there are many that can compare similarly to something like express in NodeJS. In my opinion, Java's standard API is easier to work with than NodeJS for a number of tasks. You may not encounter this in a simple application though. Spring boot codebases have certain common conventions on organizing code. This is useful to the experienced but can be overwhelming to new developers. tldr; If you are building a small web application that primarily talks to remote services like a DB use nodejs and you will get up and running faster. For larger apps or where performance is critical it would highly depend on what your application is doing for the choice to matter.

If you're building a prototype or toy, node is quick to get started with. If you will be running your application for a while and need to actually support it, Java. Source: 15 years or building large scale Java web services and 8 years with nodejs web services.

techmagic.co › blog › node-js-vs-java-what-to-choose

Node.js vs Java – What to Choose? — TechMagic

Twitter has incorporated Node.js into developing select lightweight and high-performance backend systems. The platform's capacity to manage numerous simultaneous connections with minimal resource consumption is advantageous to Twitter. ... Java is a strongly typed and object-oriented programming language.

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geeksforgeeks.org › node.js › node-js-vs-java

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July 15, 2025 - This is an advantage of node.js that it can connect to devices using APIs and can connect to libraries written in other languages too. Example: Printing ‘Welcome to GeeksforGeeks’ in Node.js. ... Java: Java was developed at Sun Microsystems by James Gosling and later on, Oracle took it over.

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Node.js vs Java: Which is Better for Backend Development?

And to top it off, developers love Node.js for its lightweight nature, making it a clear winner in terms of ease of use—especially for companies looking to hire web developers efficiently. Java is a highly reliable and secure programming language that stands out from its rivals, particularly Node.js.

blazeclan.com › home › blog › choosing between node.js and java for application development

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reddit.com › r/node › node.js or java for backend? seeking advice for fullstack transition!

r/node on Reddit: Node.js or Java for Backend? Seeking Advice for Fullstack Transition!

August 30, 2024 -

Hey everyone,

I could really use some advice. I've been working as a frontend developer for almost 2 years now, mainly with React, React Native, and Redux. I want to level up and become a fullstack developer, so I'm diving into backend development.

Initially, I thought of learning Node.js since it uses JavaScript, which I’m already comfortable with. But one of my seniors suggested I should consider Java because it’s more powerful and could lead to better job opportunities.

Here's where I’m stuck:

Familiarity: I know JavaScript pretty well, so picking up Node.js might be easier and faster for me.
Learning Curve: I’m a bit of a slow learner, and Java would be completely new territory, meaning I’d have to start from scratch.
Career Prospects: While Node.js seems like the easier path, Java supposedly offers more robust capabilities and better job prospects.

For those of you who have experience with both or have made the transition from frontend to fullstack, what would you advise? Should I go with Node.js for a smoother learning experience, or should I tackle Java for potentially better career opportunities?

Thanks a ton for your help!

It’s more about the concepts. Are you familiar with (or do you want to learn) how Spring works? Learning Java is not hard. It’s dot notation, like JS, but it’s compiled, there’s strict typing, and much more heavily focused around OOP. How well do you know OOP? How familiar are you with abstraction? If I were you, I’d stick with something like Nest.JS and focus on learning proper typescript, and then move into Java. If you’re not good with key programming principles, then Java will be brutally hard. If you’re familiar with stuff like OOP, inheritance, polymorphism, abstraction, singletons, factory methods, et al., then Java might be a good challenge! Also, consider time. Do you have the time to learn Java? Or would that time be better spent on learning a solid TS framework, like Nest.JS? I’d say learn TypeScript properly, and focus on Nest.JS (or some other framework), and then learn Java and port your api to it when you have the time! Good luck either way, bud! [EDIT] career wise, don’t worry. PLENTY of node jobs out there! But be sure to stand out by knowing programming principles, not just node. I’m a hiring manager. I literally don’t give a fuck if you know how to make an express app. I care that you know how to stream a file, what buffers are, how to find performance issues, database normalization, et al. If you know that, learning a new language becomes a lot easier!

You'll pick the concepts faster in the language you alresdy know. Afterwards, you can choose to transition to Java. More Java jobs but at the end of the day, if you know and understand the concepts very well, it doesn't matter what you choose

quora.com › Should-I-choose-Node-js-or-Java-I-have-worked-on-Node-js-in-my-first-company-for-8-months-and-now-I-have-to-start-with-Java-if-I-stay-at-my-newly-joined-company

Should I choose Node.js or Java? I have worked on Node.js in my first company for 8 months, and now I have to start with Java if I stay at my newly joined company. - Quora

Answer (1 of 3): Ok this is a very good question firstly.I have worked on Java for 8 years and i thoroughly loved working in it but I realised it is a vast language and I tell you the language is strict and makes one hell of a developer out of you, if you can pick up a language like Java you can ...

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apuravchauhan.medium.com › node-js-vs-java-web-performance-benchmark-analysis-scaling-insights-de2ce3998d18

Node.js vs Java Web Performance: Benchmark Analysis & Scaling Insights | by Apurav Chauhan | Medium

April 26, 2025 - The JVM efficiently distributes threads across available cores, while Node.js’s single-threaded architecture becomes a bottleneck when handling compute-heavy tasks. Java consistently outperformed Node.js by 30–68% across all concurrency levels.

mantralabsglobal.com › home › blogs › java vs node.js for backend apis – developer’s comparison

Java Vs Node.JS for Backend APIs – Developer’s Comparison

February 20, 2020 - Java dominates Android phones, enterprise computing, and some embedded worlds like Blu-ray disks. While on the other hand Node.JS is a programming platform that allows you to write JavaScript on both the client side and the server side, mostly server-side code that is identical in syntax to browser JavaScript.

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nareshit.com › blogs › full-stack-java-vs-node-js-for-backend-apis

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netguru.com › home page › blog › node.js vs java comparison [differences in performance & development]

Node.js vs Java Comparison [Differences in Performance & Development]

November 17, 2025 - Did you know that Node.js is faster and more scalable than Java? Read on Node.js vs Java comparison and learn about differences in their performance.

rclayton.silvrback.com › speaking-intelligently-about-java-vs-node-performance

Richard Clayton - Speaking Intelligently about "Java vs Node" Performance

March 14, 2016 - However, in some circumstances though, Java will be more appropriate. For instance, if you are building a real-time system, you should use Java over Node.js. Java will almost always be faster than Node.js, unless it is used stupidly.

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ideamotive.co › blog › node.js vs java: choosing perfect technology for your backend

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March 23, 2023 - Back when the first version of Java was just released, it aimed for interactive television development, soon becoming one of the most popular programming languages worldwide. To create a comprehensive comparison between the two of them and access in which use-cases one is better than another, we will define key features of Node.js and Java, including performance, stability, security, documentation, community, talent pool, easiness to learn, speed and cost of development.

reddit.com › r/cscareerquestions › which offer to pick, senior node.js vs java?

r/cscareerquestions on Reddit: Which offer to pick, Senior Node.js vs Java?

February 15, 2025 -

Hey everyone, I could really use some advice here.

I have about 4 years of experience as a backend working with Node.js. Recently, I received two offers:

Senior Backend Developer (Node.js) – This role would bump my salary and give me a senior title, which would look great on my CV and contribute to my work experience.
Software Engineer (Java) – This wouldn’t increase my salary but would allow me to pivot into Java, a language I currently have no professional experience with.

I already have a pretty good salary for my country (Sweden), so the salary bump isn’t a huge factor. What I’m more concerned about is future career growth. I sometimes worry about the long-term prospects of Node.js and don't want to get stuck in a pigeonhole, and I wonder if pivoting into Java might provide more stability and open more doors in the future.

To be honest, I don’t mind working in either language. I just can’t decide which path would be better for my career in the long run.

What would you do in my situation? Anyone with similar experience? Would you prioritize the senior title in your current stack or branch out into Java for more opportunities ahead?

Any answers greatly appreciated!

What kind of role do you want to eventually end up in? High tech web company or comfy lower pressure corporate job? If you want to stay in web roles, stick with node. If you want to be attractive to random corporate jobs, Java is common there.

If you have experience with Java or C# you’re always going to find a job. There’s other languages too that most businesses are looking for these days like Python. JS is also pretty in demand but there’s a lot more people to fill those roles (afaik) compared to Java

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msmcoretech.com › home › node.js vs java: best for web development?

Node.js vs Java: Best for Web Development?

November 13, 2025 - New features like improved security, instant performance and greater compatibility with other programming languages are frequently being added to Node.js. To remain competitive, Java, meanwhile, adopts modern development techniques like cloud computing and microservices architecture. While doing the comparison of Java vs Node.js, we have seen that they both have their own pros and cons.

jalasoft.com › home › blog › programming languages › node js vs java

Node.js vs Java – What to Choose in 2026? | Jalasoft

January 13, 2026 - People often ask if Java is more efficient for hardware application software or web applications. It is important to understand that while Java excels in enterprise hardware application software, it's equally powerful for web development, though with different strengths compared to Node.js.