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Junior Java Microservices Developer Jobs in Middletown, DE

Tata Consultancy Service Limited

Java Architect

Newark, DE · On-site

$120K - $130K/yr

... microservices architecture • Support CI/CD processes and DevOps practices Requirements: • 8+ years of strong Java (Java 8/11/17+) • Experience with Spring technologies and REST APIs • ...

Ampcus Inc

Java Full Stack Developers

Wilmington, DE · On-site

$51 - $65.75/hr

... Developer. The role involves working on system design, application development, and ensuring ... Required : • 3 years of experience in Java backend, Microservices, Spring Boot, ReactJS, and AWS ...

Saransh Inc

SDET - Java Coding

Wilmington, DE · On-site

Job Title: SDET - Java Coding Work Location: Wilmington, DE Duration: Long Term Mandatory Skills ... Perform code reviews and mentor junior QA automation engineers. * Collaborate with developers ...

Xforia, Inc.

Java AWS with CI/CD

Wilmington, DE · On-site

$75/hr

... to software engineering communities of practice and events that explore new and emerging ... Microservices • Experience with architectural patterns for scalability, high availability ...

CACI International, Inc.

Junior Reverse Engineer

Aberdeen, MD · On-site

$155K/yr

  • Medical

  • Retirement

  • PTO

Junior Reverse Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required ... such as Python, Java, or C/C++ . -Proficiency with written and verbal communications, with an ...

Mavik Labs LLC

Golang Developer Web3 Experiance

Dover, DE · On-site +1

$120K - $156K/yr

... junior engineers in best practices. Required Skills: - 5+ years of experience with Go, focusing on large-scale applications. - Expertise in microservices architecture and distributed systems ...

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See Middletown, DE salary details

$57.5K

$100.7K

$151.7K

How much do junior java microservices developer jobs pay per year?

As of Aug 14, 2026, the average yearly pay for junior java microservices developer in Middletown, DE is $100,686.00, according to ZipRecruiter salary data. Most workers in this role earn between $71,200.00 and $100,400.00 per year, depending on experience, location, and employer.

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Senior Java AI Developer (RAG/LLM)

Donato Technologies, Inc

Wilmington, DE • On-site

$70/hr

Contractor

Posted 8 days ago

Job description

The client is looking for a Senior Java AI Developer to develop enterprise-scale Generative AI applications. The ideal candidate will possess strong Java backend expertise along with hands-on experience building Retrieval-Augmented Generation (RAG) solutions and integrating enterprise applications with Large Language Models.Required Skills
  • 10+ years of Java development experience
  • Strong experience with Java 17+ and Spring Boot
  • Hands-on experience building Retrieval-Augmented Generation (RAG) systems
  • Experience with Spring AI, LangChain4j, or similar Java AI frameworks
  • Experience integrating OpenAI, Azure OpenAI, Claude, Gemini, or Llama models
  • Strong knowledge of vector databases such as Pinecone, Milvus, Weaviate, FAISS, or ChromaDB
  • Experience implementing semantic search and document retrieval pipelines
  • Strong REST API and Microservices development experience
  • Experience with Kafka or other messaging platforms
  • Experience with Docker, Kubernetes, and OpenShift
  • Experience with AWS, Azure, or Google Cloud Platform
  • Strong SQL and NoSQL database experience
  • Experience with Git, Jenkins, and CI/CD
  • Experience with Agile development methodologies
Preferred Skills
  • Banking or financial services experience
  • Knowledge of AI agents and autonomous workflows
  • Experience with Spring AI ecosystem
  • Experience implementing enterprise security standards
  • Experience with AI governance and monitoring
  • Knowledge of prompt engineering and model evaluation
Responsibilities
  • Design and develop enterprise Java-based AI applications
  • Build scalable RAG architectures using Java and Spring Boot
  • Integrate LLMs into enterprise applications
  • Develop document ingestion, indexing, and retrieval pipelines
  • Build secure APIs for AI services
  • Optimize retrieval accuracy and response quality
  • Collaborate with architects, ML engineers, and business teams
  • Deploy AI services using containerized cloud platforms
  • Ensure application performance, scalability, and compliance
  • Provide technical leadership and mentor development teams
Nice to Have:
  • Experience with LangGraph or AI Agent frameworks
  • MCP (Model Context Protocol) implementation experience
  • Knowledge Graph integration
  • AI observability tools (LangSmith, Arize AI, TruLens)
  • NVIDIA NIM or enterprise inference platforms
  • Financial regulatory compliance experience
  • Exposure to Agentic AI architectures

Donato Technologies Inc. is a trusted IT staffing, consulting, and software development partner headquartered in Dallas, Texas. We support clients across industries by understanding their unique business needs and delivering tailored technology and workforce solutions. Our focus is on connecting the right talent with the right opportunity-ensuring clients receive dependable, skilled professionals and candidates receive meaningful career growth and support. We work closely with small to mid-sized organizations to provide flexible, high-quality services that drive performance, innovation, and long-term success.