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Java Ai Developer Jobs in Piscataway, NJ (NOW HIRING)

Fiserv, Inc.

Lead AI Engineer

Berkeley Heights, NJ · On-site

$186K - $285K/yr

... Java, Spring Boot, .NET, Angular, Python, and related technologies * Define reusable reference ... AI developer tools that improve quality, productivity, and delivery velocity * Deliver technical ...

Monitise

Lead AI Engineer

Berkeley Heights, NJ · On-site

$186K - $285K/yr

... Java, Spring Boot, .NET, Angular, Python, and related technologies * Define reusable reference ... AI developer tools that improve quality, productivity, and delivery velocity * Deliver technical ...

CYNET SYSTEMS

Java Fullstack Developer

New York, NY · On-site

$57.50 - $74/hr

We are looking for a highly skilled Full Stack Developer with AI capabilities who can build ... Requirement/Must Have: * 1+ years of experience in Core Java, Spring Boot, and Angular. * Strong ...

Eliassen Group

Senior Java Engineer

Jersey City, NJ · On-site

$80 - $90/hr

Expertise in Java, Python, and Linux. * Deep experience with low latency messaging systems such as ... Experience with AI developer assist tools such as GitHub Copilot. * Experience with CI/CD tools ...

1 point system

Staff Java Engineer (AI Focus)

New York, NY · Remote

$53 - $72.75/hr

Need AI experience The Staff Engineer I (Java) provides senior technical leadership for backend Java development supporting the Workflow Orchestration Initiative, delivering scalable and secure ...

Virtusa Corporation

Senior Java Developer

New York, NY · On-site

$62.75 - $79.75/hr

Full stack Java developer. * Role will be to work within a team to help uplist and modernize a ... Familiarity with AI. * Fluent in English is a must. Spanish, nice to have.

Wise Skulls Corp.

Senior AI Engineer

Jersey City, NJ · On-site

$109K - $149K/yr

Good skills on Java or Python frameworks such as Java Springboot or Python FastAPI * Strong AI Engineering Skills with knowledge on Agent Development, RAG based system development * Experience in ...

Talan

Senior Java Developer

New York, NY · Hybrid

$130K - $150K/yr

Our value proposition is built on a structured innovation ecosystem: 2,500 Data & AI experts ... We are looking for a Senior Java Developer to join a Team of 7 developers in a leading financial ...

Talan

Senior Java Developer

New York, NY · On-site

$130K - $150K/yr

Our value proposition is built on a structured innovation ecosystem: 2,500 Data & AI experts ... We are looking for a Senior Java Developer to join a Team of 7 developers in a leading financial ...

Capgemini

Java Developer

New York, NY · On-site

$106K - $145K/yr

Senior Java Engineer * Location: NY * Type: FTE role only no C2C or C2H or Subcontractor. * Mode ... with AI. • Experience working in Agile/Scrum environments. Nice to Have • Experience with ...

United Airlines

Java Developer

Manhattan, NY

$106K - $145K/yr

Senior Java Engineer * Location: NY * Type: FTE role only no C2C or C2H or Subcontractor. * Mode ... Practical hands-on experience working with AI. Experience working in Agile/Scrum environments. Nice ...

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How much do java ai developer jobs pay per hour?

As of Aug 22, 2026, the average hourly pay for java ai developer in Piscataway, NJ is $57.77, according to ZipRecruiter salary data. Most workers in this role earn between $49.95 and $64.66 per hour, depending on experience, location, and employer.

What is a Java AI Developer?

A Java AI Developer is a software professional who designs, develops, and implements artificial intelligence solutions using the Java programming language. They build machine learning models, integrate AI features into applications, and work with frameworks and libraries suited for AI development in Java. Their role often involves data processing, algorithm development, and deploying scalable AI-powered applications. Java AI Developers may work in various industries such as finance, healthcare, or technology to create intelligent systems that help solve complex business problems.

What are the key skills and qualifications needed to thrive as a Java AI Developer?

To thrive as a Java AI Developer, you need strong proficiency in Java programming, machine learning concepts, and a degree in computer science or a related field. Familiarity with AI frameworks (such as TensorFlow or Deeplearning4j), version control systems like Git, and experience with cloud platforms are typically required. Creative problem-solving, strong analytical thinking, and effective communication skills help developers collaborate and innovate in complex AI projects. These skills ensure the delivery of efficient, scalable AI solutions and foster productive teamwork in fast-evolving tech environments.

What are some common challenges faced by Java AI Developers when integrating machine learning models into existing enterprise systems?

One of the main challenges Java AI Developers encounter is ensuring seamless integration of machine learning models—often built with Python-based frameworks—into Java-based enterprise environments. This can involve using APIs, microservices, or platforms like TensorFlow Java and Deeplearning4j to bridge compatibility gaps. Additionally, developers must optimize model performance for scalability and real-time inference, which requires thorough testing and tuning. Effective collaboration with data scientists and DevOps teams is crucial to address deployment issues and maintain model accuracy in production.

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Java Ai Developer jobs near you
Infographic showing various Java Ai Developer job openings in Piscataway, NJ as of August 2026, with employment types broken down into 80% Full Time, 17% Part Time, and 3% Contract. Highlights an 67% Physical, 3% Hybrid, and 30% Remote job distribution, with an average salary of $120,160 per year, or $57.8 per hour.

AI Accelerated Senior Java Engineer

Fiserv, Inc.

Berkeley Heights, NJ • On-site

$130K - $171K/yr

Full-time

Re-posted 18 days ago

Fiserv rating

7.7

Company rating: 7.7 out of 10

Based on 95 frontline employees who took The Breakroom Quiz

108th of 151 rated financial services

Job description

Calling all innovators - find your future at Fiserv.
We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a difference at Fiserv.
Job Title
AI Accelerated Senior Java Engineer
About your role:
As an AI Accelerated Senior Java Engineer you will be an elite software builder who delivers high-scale, enterprise-ready systems at exceptional speed, at ~10x. This role is for a highly productive engineer who multiplies their individual output by integrating advanced Generative AI and Large Language Model (LLM) developer tools into their daily workflow. Far beyond writing standard application code, this builder builds production-grade Minimum Viable Products (MVPs), designs intelligent agentic workflows, and architectures scalable backend software that leverages LLMs directly to solve complex business problems.
You will have a proven track record of shipping actual production-scale products, moving rapidly past localized sandboxes or basic code prototypes, as well as an exceptional builder mindset focused on hyper-efficiency, continuous tooling experimentation, and engineering velocity.
What you'll do:
  • High-Velocity MVP Delivery: Move rapidly from design concepts to writing production-ready code. Ship fully realized, resilient enterprise applications with speed and autonomy.
  • AI-Assisted Engineering: Seamlessly embed GenAI assistants into daily workflows to drastically accelerate code writing, refactoring, test generation, and deep debugging.
  • LLM & AI Application Building: Design, implement, and deploy application layers that integrate LLMs, retrieval-augmented generation (RAG) pipelines, and intelligent agentic workflows.
  • Enterprise Java Engineering: Architect and write clean, maintainable, and high-performance Java code capable of processing concurrent, enterprise-scale workloads.
  • CI/CD & Cloud Automation: Build and manage automated pipelines to package, test, and deploy applications continuously to cloud ecosystems.
  • Architecture & Database Integration: Model secure, low-latency relational and non-relational database layers optimized for rapid application execution.
  • Performance Tuning & Diagnostics: Conduct deep-dive profiling, memory leak detection, and technical troubleshooting on high-throughput backend services.

Experience you'll need to have:
  • 8-10+ years in professional software engineering, with a strong focus on core backend Java platforms.
  • Execution: A proven track record of shipping actual production-scale products, moving rapidly past localized sandboxes or basic code prototypes.
  • Automation & Testing: Expert proficiency in writing automated unit, integration, and performance tests (e.g., JUnit, Mockito, Testcontainers).
  • Mindset: An exceptional builder mindset focused on hyper-efficiency, continuous tooling experimentation, and engineering velocity.
  • Advanced, hands-on engineering using Java 17+ or Java 21+ features (e.g., Virtual Threads, Pattern Matching).
  • Deep expertise with Spring Boot, Quarkus, or Micronaut frameworks for building cloud-native microservices.
  • Developer Velocity: Demonstrated mastery using GenAI developer assistants (e.g., GitHub Copilot, Claude Code, etc.) to achieve "10x" development, documentation, and unit test coverage.
  • LLM Engineering: Hands-on integration with LLM APIs (OpenAI, Anthropic, or Amazon Bedrock) and vector databases.
  • AI Frameworks: Building RAG and agent patterns using orchestration toolkits like Spring AI.
  • Data Layers: Practical experience with PostgreSQL, NoSQL stores, and connection optimization.
  • Streaming/Messaging: Experience with high-throughput message brokers like Apache Kafka or AWS SQS/SNS.
  • Deployment: Familiarity with Docker, Kubernetes, and major cloud environments preferably AWS.
  • Bachelor's degree in Computer Science, Information Technology, Information Systems, or a related field (or equivalent industry experience).

Experience that would be great to have:
  • Experience in fintech/payments domains.

Important information about this role:
  • This role is on-site Monday through Friday. Fiserv considers in-person collaboration to be an essential part of this role as in-person office experiences help you with your overall onboarding experience and leads to stronger productivity.
  • You must currently possess valid and unrestricted U.S. work authorization to be considered for this role. Individuals with temporary visas including, but not limited to, F-1 (OPT, CPT, STEM), H-1B, H-2, or TN, or any candidate requiring sponsorship, now or in the future, will not be considered for this role.
  • This is a full-time, direct-hire position, and no contract options for unsolicited agency submissions will be considered.
  • All offers of employment are contingent on standard background checks. Fiserv and certain of its affiliated companies are federal, state, and/or local government contractors. Should this position support a Federal Government contract, now or in the future, the successful candidate will be subject to a background check conducted by the U.S. Government to determine eligibility and suitability for federal contract employment for public trust or sensitive positions. Positions that support state and/or local contracts also may require additional background checks to determine eligibility and suitability.

#LI-MK1
Salary Range
$110,000.00 - $186,000.00
These pay ranges apply to employees in New Jersey and New York. Pay ranges for employees in other states may differ.
It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran.
For incentive eligible associates, the successful candidate is eligible for an annual incentive opportunity which may be delivered as a mix of cash bonus and equity awards in the Company's sole discretion.
Thank you for considering employment with Fiserv. Please:
  • Apply using your legal name
  • Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).

Our commitment to Equal Opportunity:
Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law.
If you have a disability and require a reasonable accommodation in completing a job application or otherwise participating in the overall hiring process, please contact AskHR.US@fiserv.com. Please note our AskHR representatives do not have visibility to your application status. Current associates who require a workplace accommodation should refer to Fiserv's Disability Accommodation Policy for additional information.
Note to agencies:
Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.
Warning about fake job posts:
Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.

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About Fiserv

Sourced by ZipRecruiter

Fiserv is a global leader in fintech and payments for over 35 years serving thousands of financial institutions and millions of businesses in more than 100 countries. Our Purpose is to deliver superior value for our clients through leading technology, targeted innovation, and excellence in everything we do as we process over 40% of the world's debit and credit transactions.

Industry

It services and software development

Company size

10,000+ Employees

Headquarters location

Brookfield, WI, US

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