1

Mid Level Java Developer Jobs in Princeton Junction, NJ

Senior Java Developer

New York, NY · On-site

$62.75 - $79.75/hr

Our client is looking for a technically proficient hands-on Java and/or Scala developer ... User-level knowledge of Unix/Linux Knowledge of basic SQLSkills desired Knowledge of Scala ...

Senior Java/Flex Developer

New York, NY · On-site

$62.75 - $79.75/hr

... Flex/Java developer in development of a next-generation presentation application. You will be ... Qualifications Full-lifecycle software development Experience with enterprise-level software ...

Senior Java Developer

New York, NY · On-site

$62.75 - $79.75/hr

Our client is looking for a technically proficient hands-on Java and/or Scala developer ... banking • User-level knowledge of Unix/Linux • Knowledge of basic SQLSkills desired • ...

Java Spark Engineer

South Plainfield, NJ · On-site

$54 - $74.25/hr

... mid-level and junior engineers; act as a technical escalation point • Partner with product ... Java development experience • 5+ years hands-on experience with Apache Spark in production ...

Java Spark Engineer

Piscataway, NJ · On-site

$52.75 - $72.25/hr

... mid-level and junior engineers; act as a technical escalation point • Partner with product ... Java development experience • 5+ years hands-on experience with Apache Spark in production ...

Java Spark Engineer

South Bound Brook, NJ · On-site

$54.75 - $75.25/hr

... mid-level and junior engineers; act as a technical escalation point • Partner with product ... Java development experience • 5+ years hands-on experience with Apache Spark in production ...

Java Spark Engineer

Basking Ridge, NJ

$53.25 - $73.25/hr

... mid-level and junior engineers; act as a technical escalation point • Partner with product ... Java development experience • 5+ years hands-on experience with Apache Spark in production ...

Java Spark Engineer

Edison, NJ · On-site

$53.50 - $73.50/hr

... mid-level and junior engineers; act as a technical escalation point • Partner with product ... Java development experience • 5+ years hands-on experience with Apache Spark in production ...

Java Spark Engineer

Bridgewater, NJ

$52.75 - $72.50/hr

... mid-level and junior engineers; act as a technical escalation point • Partner with product ... Java development experience • 5+ years hands-on experience with Apache Spark in production ...

Java Spark Engineer

Perth Amboy, NJ · On-site

$53.25 - $73/hr

... mid-level and junior engineers; act as a technical escalation point • Partner with product ... Java development experience • 5+ years hands-on experience with Apache Spark in production ...

Senior Java/Flex Developer

New York, NY · On-site

$62.75 - $79.75/hr

... Flex/Java developer in development of a next-generation presentation application. You will be ... Qualifications Full-lifecycle software development Experience with enterprise-level software ...

Java Spark Engineer

Martinsville, NJ · On-site

$55.75 - $76.75/hr

... mid-level and junior engineers; act as a technical escalation point • Partner with product ... Java development experience • 5+ years hands-on experience with Apache Spark in production ...

Java Spark Engineer

Watchung, NJ · On-site

$53.25 - $73/hr

... mid-level and junior engineers; act as a technical escalation point • Partner with product ... Java development experience • 5+ years hands-on experience with Apache Spark in production ...

Java Spark Engineer

Warren, NJ · On-site

$53.75 - $73.75/hr

... mid-level and junior engineers; act as a technical escalation point • Partner with product ... Java development experience • 5+ years hands-on experience with Apache Spark in production ...

Java Spark Engineer

Highland Park, NJ

$53.50 - $73.50/hr

... mid-level and junior engineers; act as a technical escalation point • Partner with product ... Java development experience • 5+ years hands-on experience with Apache Spark in production ...

Java Spark Engineer

Somerville, NJ

$53 - $72.75/hr

... mid-level and junior engineers; act as a technical escalation point • Partner with product ... Java development experience • 5+ years hands-on experience with Apache Spark in production ...

Java Spark Engineer

Pluckemin, NJ · On-site

$53 - $72.50/hr

... mid-level and junior engineers; act as a technical escalation point • Partner with product ... Java development experience • 5+ years hands-on experience with Apache Spark in production ...

Showing results 41-60

Mid Level Java Developer information

See Princeton Junction, NJ salary details

$43

$60

$72

How much do mid level java developer jobs pay per hour?

As of Aug 20, 2026, the average hourly pay for mid level java developer in Princeton Junction, NJ is $60.58, according to ZipRecruiter salary data. Most workers in this role earn between $52.88 and $69.09 per hour, depending on experience, location, and employer.

What is a mid level Java developer?

A Mid Level Java Developer is responsible for designing, developing, and maintaining Java-based applications. They typically have 2-5 years of experience and work on coding, debugging, and optimizing software solutions. They collaborate with teams, follow best coding practices, and may mentor junior developers. Their role involves understanding project requirements, integrating APIs, and ensuring application performance. Mid Level Java Developers contribute to both backend and frontend development, depending on the project needs.

What are the key skills and qualifications needed to thrive as a mid level Java developer?

Successful Mid Level Java Developers possess a solid understanding of Java programming, object-oriented design, and commonly used frameworks such as Spring or Hibernate, typically backed by a relevant degree and professional experience. Familiarity with tools like Git, Maven, popular IDEs (e.g., IntelliJ IDEA or Eclipse), and certifications like Oracle Certified Professional Java Programmer (OCPJP) are advantageous. Strong collaboration, problem-solving abilities, and effective communication skills help developers work efficiently within agile teams and cross-functional projects. Mastering both technical and soft skills ensures smooth project delivery, maintainable code quality, and productive teamwork in dynamic software development environments.

What does a typical workday look like for a mid level Java developer?

As a Mid Level Java Developer, your typical workday often involves writing and testing Java code, troubleshooting existing applications, and participating in code reviews. You'll collaborate closely with other developers, QA engineers, and sometimes product managers in agile sprints to ensure features are delivered according to requirements. Daily stand-up meetings are common, as is the use of tools like Jira for tracking tasks. You may also spend time learning new frameworks or best practices, which helps with both personal growth and contributing to more efficient software solutions.

What are the most commonly searched types of Java Developer jobs in Princeton Junction, NJ?

The most popular types of Java Developer jobs in Princeton Junction, NJ are:

What are popular job titles related to Mid Level Java Developer jobs in Princeton Junction, NJ?

For Mid Level Java Developer jobs in Princeton Junction, NJ, the most frequently searched job titles are:

What job categories do people searching Mid Level Java Developer jobs in Princeton Junction, NJ look for?

The top searched job categories for Mid Level Java Developer jobs in Princeton Junction, NJ are:

What cities near Princeton Junction, NJ are hiring for Mid Level Java Developer jobs?

Cities near Princeton Junction, NJ with the most Mid Level Java Developer job openings:

Front-End Developer (Mid-Level)

Jobs for Humanity

New York, NY • On-site, Remote

$113K - $132K/yr

Full-time

Re-posted 4 days ago


Job description

Company Description

About Mini Studio AI

Mini Studio AI is an early-stage startup pioneering the future of animation. We're building a magical storytelling engine powered by generative AI to create deeply personalized, emotionally resonant animated content for kids - think Pixar meets GPT. From personalized cartoons and social-emotional learning stories to interactive kids' content, we're redefining what animation can be.

We're a small, fast-moving team of creatives and technologists with a big mission: to make every child feel seen, understood, and inspired. Backed by a16z and other top investors, we're growing fast and looking for ambitious collaborators to help us build the next chapter of storytelling.

Job Description

Front-End Developer (Mid-Level)

Location: Europe (Work remote)
Type: Full-Time
Seniority Level: Mid-Level

What You'll Do

As our Front-End Developer, you'll play a central role in building and optimizing our GenAI-powered video editing platform. You'll work in a modern monorepo setup, integrating real-time features, browser-level video optimization, and cutting-edge AI interfaces to deliver magical user experiences.

GraphQL Integration & Subscriptions:

  • Develop and optimize front-end interfaces leveraging GraphQL queries, mutations, and subscriptions for real-time data fetching and updates.

  • Design robust caching strategies and state synchronization using local storage and state management tools like XState or Zustand.

AI & GenAI Integrations:

  • Integrate advanced AI functionalities into applications using Vercel AI SDK and other modern LLM tools.

  • Develop intuitive, chat-driven, and creative AI-powered user experiences.

Real-time & Next.js Development:

  • Implement performant, real-time interactions using Next.js, ensuring rapid response times and smooth user experiences.

  • Employ real-time data handling techniques and local caching for improved performance.

Media & Video Optimization:

  • Enhance browser-level media and video performance, efficiently managing media metadata, and ensuring seamless playback.

  • Contribute to or develop web-based video editing tools, utilizing frameworks like Remotion.

Monorepo Collaboration:

  • Operate effectively within a monorepo environment, managing shared packages and cross-team collaboration.

Firebase Integration:

  • Maintain and occasionally optimize existing Firebase services, such as Firestore, Authentication, and Cloud Functions.
    What We're Looking For

     

  • Proficiency with modern JavaScript/TypeScript, React, Next.js, and GraphQL.

  • Experience implementing GraphQL subscriptions and local storage strategies for optimized performance.

  • Familiarity with integrating advanced AI SDKs, such as Vercel AI SDK, into front-end applications.

  • Strong capability in video performance optimization and media handling.

  • Ability to write clean, maintainable, and modular code.

  • Excellent collaboration skills with a proactive, solution-oriented approach.

  • Passion for innovative products blending creativity with cutting-edge AI technologies.
     

Why Join Us

  • Help invent the future of creative storytelling and interactive video.
     

  • Collaborate in a nimble, mission-driven team backed by a16z.
     

  • Build a meaningful product that delights and inspires kids.
     

  • Take ownership in a startup where your work will directly shape the product.
     

  • Equity, early-stage upside, and creative input from day one.

Qualifications

What We're Looking For
 

  • Proficiency with modern JavaScript/TypeScript, React, Next.js, and GraphQL.

  • Experience implementing GraphQL subscriptions and local storage strategies for optimized performance.

  • Familiarity with integrating advanced AI SDKs, such as Vercel AI SDK, into front-end applications.

  • Strong capability in video performance optimization and media handling.

  • Ability to write clean, maintainable, and modular code.

  • Excellent collaboration skills with a proactive, solution-oriented approach.

  • Passion for innovative products blending creativity with cutting-edge AI technologies.