ninthwave
AI Java Developer
New York, New York · Full-time
Sponsorship not specifiedDetected 21 days ago
PythonJavaSpringBackend DevelopmentGitElasticsearchVector DatabasesAWSCloud PlatformsKubernetesCI/CDAPI DevelopmentRESTLLMsRAGPostmanResearch
About the role
- 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.
- The role is hands-on Java + Spring Boot with meaningful GenAI integration work - not a research role and not a pure prompt-engineering role.
Responsibilities
- Design and develop services in the Compass Spring Boot codebase - REST APIs, admin Thymeleaf views, OpenSearch-backed data flows.
- Build and maintain ingestion pipelines that turn bank-supplied artifacts (Postman collections, configuration YAML, FDX mapping spreadsheets) into structured OpenSearch documents.
- 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.
Requirements
- Required Skills & Qualifications
Nice to have
- 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
Skills
- Strong proficiency in Java 17+
- 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
- Cloud platform experience -
- Spring MVC + Thymeleaf
- Vector databases
- Cloud platform experience - AWS, specifically:
- Elastic Beanstalk (Compass deploy target - not Kubernetes)
- Bedrock (KB + Agents)
- S3, IAM, CloudWatch
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This listing is sourced directly from ninthwave's careers page and normalized into a canonical job model.