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Full Time Java Developers Jobs in New York (NOW HIRING)

Ninth Wave

AI Java Developer

Manhattan, NY

$56.25 - $72.75/hr

Ninth Wave AI Java Developer Full Time Opportunity New York City, NY Job Summary We are hiring an AI Java Developer to extend the Compass platform: a Spring Boot application backed by OpenSearch and ...

Ninth Wave

AI Java Developer

Manhattan, NY · On-site

$56.25 - $72.75/hr

Ninth Wave AI Java Developer Full Time Opportunity New York City, NY Job Summary We are hiring an AI Java Developer to extend the Compass platform: a Spring Boot application backed by OpenSearch and ...

ACI Infotech

Java Developer - OPT Hiring

Piscataway, NJ · On-site

$51 - $66/hr

Remote Immediate Start Full Time OPT Candidates are accepted ( Will file H1B-2022 in Quota) 5+ years of experience in Java Development / JEE Strong hands-on experience in Java (11), Spring Boot ...

City of New York

Java Developer

Manhattan, NY · On-site

$125K - $150K/yr

Strong proficiency in the Java programming language and an in-depth understanding of Java/JEE ... full-time experience related to the area(s) required by the particular position and a ...

Primesoft consulting

Java Developer

New York, NY

$55.75 - $72.25/hr

NY Job Type: Full time Duration: 6+ months Requirements: * Mid/Senior level Java/JavaScript Developer - 3 - 5 years' experience * Working with the Testing Team developing Testing Tools * Developing ...

ACI Infotech

Sr Java Developer / Lead

Somerset, NJ · On-site

Hybrid Duration: FULL TIME Key Skills: Java SQL and Strong MS Azure / AWS Accepting H1B transfer candidates We are seeking an exceptional Sr Java Developer / Lead to join our team, someone who is ...

Ninth Wave

AI Java Developer

Manhattan, NY · On-site

$100K - $125K/yr

Ninth Wave AI Java Developer Full Time Opportunity New York City, NY Job Summary We are hiring an AI Java Developer to extend the Compass platform: a Spring Boot application backed by OpenSearch and ...

City of New York

Java Developer

Manhattan, NY · On-site

$56.25 - $72.75/hr

Strong proficiency in the Java programming language and an in-depth understanding of Java/JEE ... full-time experience related to the area(s) required by the particular position and a ...

City of New York

Java Developer

Manhattan, NY · On-site

$56.25 - $72.75/hr

Strong proficiency in the Java programming language and an in-depth understanding of Java/JEE ... full-time experience related to the area(s) required by the particular position and a ...

Sonoma Consulting Inc.

Java Developer (J2EE)

Edison, NJ · On-site

$52.75 - $68.25/hr

This is a Full-Time / Permanent job opportunity. Only US Citizen and Green Card Holder can apply. ** All your information will be kept confidential according to EEO guidelines. Titles: Java Developer ...

Serigor Inc.

Core Java Developer

New York, NY · On-site

Fulltime The Client is seeking a technically oriented individual to join the Securities Finance ... Core Java Developer with Strong coding, designing, database and redis experience.

HSSSoft

JAVA EXT JS

Edison, NJ

$52.75 - $68.25/hr

Company Description HSS SOFT is an Equal Employment Opportunity Employer we need java ext js full time with our client Qualifications java developer with EXT JS Additional Information All your ...

Northern Base

Senior Java Developer

Jersey City, NJ · On-site

$59.75 - $76.25/hr

Hiring Alert | Senior Java Developer Location ... Jersey City, NJ (Onsite) Employment Type: Full-Time Experience Required: 10-20 Years Visa Type: USC ...

Capgemini

Java Engineer

New York, NY · On-site

$86K - $127K/yr

Fulltime Summary: Highly experienced Core Java Developer with 14+ years of expertise in designing and developing real-time, low-latency, multi-threaded server-side applications using Core Java 8+, ...

United Airlines

Java Engineer

Manhattan, NY · On-site

$86K - $127K/yr

Fulltime Summary: Highly experienced Core Java Developer with 14+ years of expertise in designing and developing real-time, low-latency, multi-threaded server-side applications using Core Java 8+, ...

Info-Ways

Core Java Developer

New York, NY · On-site

Core Java Developer Location: NYC, NY Duration ... Fulltime BGV will be done for the selected candidates. Must Have Skills: 8+ years hands-on Java ...

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Full Time Java Developers information

What is the difference between Full Time Java Developers vs Java Software Engineers?

AspectFull Time Java DevelopersJava Software Engineers
Required CredentialsBachelor's in Computer Science or related, Java certifications often preferredBachelor's in Computer Science or related, Java certifications common
Work EnvironmentCorporate offices, tech companies, or remoteTech firms, software companies, or client sites
Employer & Industry UsageUsed interchangeably in many industries, especially IT and software developmentCommonly used in software development projects and enterprise solutions
Search & Comparison IntentHigh overlap, often compared for job roles and responsibilitiesSimilar roles, but sometimes more specialized in engineering tasks

Full Time Java Developers and Java Software Engineers often share similar qualifications and work environments. The main difference lies in the emphasis: developers focus on coding and application development, while engineers may also involve system design and architecture. Both roles are vital in software projects and are frequently searched together by employers and job seekers.

What are the most commonly searched types of Java Developers jobs in New York?

The most popular types of Java Developers jobs in New York are:

Full Time Java Developers jobs near you
Infographic showing various Full Time Java Developers job openings in New York as of August 2026, with employment types broken down into 86% Full Time, 6% Part Time, and 8% Contract. Highlights an 78% Physical, 4% Hybrid, and 18% Remote job distribution.

AI Java Developer

Manhattan, NY

Ninth Wave
Finance and Insurance • 11 - 50 employees
Learn more about Ninth Waveexternal

$56.25 - $72.75/hr

Full-time

Re-posted 23 days ago

Job description


Ninth Wave

AI Java Developer

Full Time Opportunity

New York City, NY

Job Summary

We are hiring an AI Java Developer to extend the Compass platform: a Spring Boot application backed by OpenSearch and AWS Bedrock that helps U.S. banks publish, monitor, and govern their open-banking / FDX data-sharing APIs. You will build backend services that ingest bank-supplied artifacts (Postman collections, OAS, configuration files), expose them through REST + Thymeleaf admin surfaces, and integrate LLM-driven assistance (Bedrock Knowledge Bases + Agents, RAG over our internal corpus) into the day-to-day operator workflow.

The role is hands-on Java + Spring Boot with meaningful GenAI integration work - not a research role and not a pure prompt-engineering role. You'll own features end-to-end, from OpenSearch index design through Bedrock Agent wiring to the admin UI that exposes them.

Key Responsibilities

  • Design and develop services in the Compass Spring Boot codebase - REST APIs, admin Thymeleaf views, OpenSearch-backed data flows.
  • Integrate AWS Bedrock (Claude family models, Knowledge Bases, Agents) into Java services for RAG, summarization, and operator-assist features.
  • Build and maintain ingestion pipelines that turn bank-supplied artifacts (Postman collections, configuration YAML, FDX mapping spreadsheets) into structured OpenSearch documents.
  • Wire OpenSearch indexing, tenant-scoped routing and vector search for RAG retrieval.
  • Implement CI/CD via the existing GitHub-based pipelines; keep build and deploy times honest.
  • Optimize application performance, scalability, and security
  • Collaborate with the mappings team, the Bedrock / KB content team, and the frontend / Thymeleaf maintainers to define and ship features.
  • Write clean, maintainable, well-documented Java; favor small focused commits and reversible changes.
  • Stay current with the Java ecosystem and the GenAI tooling landscape

Required Skills & Qualifications

Technical Skills

  • Strong proficiency in Java 17+
  • Spring Boot
  • Spring MVC + Thymeleaf
  • REST API design - JSON-in / JSON-out, paginated search endpoints, multipart upload
  • Microservices / service-oriented design within a single deployable
  • Hands-on OpenSearch / Elasticsearch experience
  • Experience integrating LLMs into Java applications via REST clients or SDKs - AWS Bedrock preferred
  • RAG architectures - chunking, embedding, retrieval, citation
  • Vector databases
  • Cloud platform experience - AWS, specifically:
    • Elastic Beanstalk (Compass deploy target - not Kubernetes)
    • Bedrock (KB + Agents)
    • S3, IAM, CloudWatch
    • Multi-account Organization layout
  • Experience with Git, Maven, and CI/CD pipelines
  • Comfortable with relational and unstructured databases

Preferred Skills

  • Prior work in fintech / open banking / FDX / account-aggregation / payment-network connectivity - or willingness to learn the domain fast.
  • Experience with Generative AI and LLM applications in production
  • Familiarity with Python for AI prototyping and one-off data tooling
  • Experience with AI security, prompt-injection defense, and data-privacy standards
  • Exposure to Postman collection parsing
  • Exposure to Atlassian APIs

Educational Requirements

  • Bachelor's or Master's degree in Computer Science, Software Engineering, Artificial Intelligence, or related field - or equivalent demonstrable experience shipping production Java + GenAI systems.

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