Senior Java Developer

Valiant Technologies LLC; Dallas (TX); On-site; USD 85,000 - 116,000; Full time

Job summary

Valiant Technologies LLC in Dallas, TX seeks a Senior Java Developer to design and build scalable enterprise applications. You will work with microservices, cloud-native architectures, and modern AI integration to deliver highly available backend systems.

The role requires hands-on expertise with Java 17/21, Spring Boot, REST APIs, and data management across relational databases, Kafka messaging, and containerized deployments on Kubernetes.

Qualifications

• 8+ years of hands-on Java/J2EE development.
• Strong experience with Java 17/21 and modern Java features.
• Expertise in Spring Boot, Spring Framework, Spring Security, and Spring MVC.
• Strong experience developing RESTful APIs and microservices architectures.
• Experience with Hibernate, JPA, and ORM frameworks.
• Strong knowledge of SQL databases (PostgreSQL, MySQL, Oracle).
• Experience with Apache Kafka, event-driven architecture, and messaging systems.
• Hands-on experience with Docker, Kubernetes, and containerized apps.
• Experience with AWS, Azure, or GCP cloud platforms.
• CI/CD pipelines using Jenkins, GitHub Actions, or GitLab CI.
• Experience with Git, Maven, Gradle, and Agile/Scrum.
• Knowledge of unit testing with JUnit 5, Mockito, Testcontainers.

Responsibilities

• Design, develop, and maintain scalable enterprise Java applications.
• Build and deploy microservices using Java and Spring Boot.
• Develop secure REST APIs and integrate third-party services.
• Implement event-driven solutions using Kafka and messaging platforms.
• Optimize application performance, scalability, and reliability.
• Develop cloud-native applications and deploy with Kubernetes.
• Integrate Generative AI and LLM capabilities into enterprise Java apps.
• Implement AI-powered workflows and MCP-based integrations where applicable.
• Participate in code reviews and architecture discussions.

Skills

Java/J2EE

RESTful APIs

Microservices

Tools

Spring Framework

Hibernate/JPA

Docker

Kubernetes

AWS/Azure/GCP

CI/CD (Jenkins, GH Actions, GitLab)

Git

Maven/Gradle

JUnit/Mockito/Testcontainers

Kafka

SQL (PostgreSQL/MySQL/Oracle)

Job description

Job Title: Senior Java Developer

Location: Dallas TX

Duration: 11 Months + Extension

Bill Rate: $73/hour (C2C)

Job Type: W-2, 1099, C2C

Client: To Be Discussed Later

Work Authorization: US Citizen, Green Card, OPT-EAD, CPT, H-1B, H4-EAD, Other

Job Description:

We are looking for an experienced Senior Java Developer with strong expertise in enterprise application development, microservices architecture, cloud technologies, and modern AI integration. The ideal candidate should have hands‑on experience designing scalable backend applications and developing secure, high-performance distributed systems.

Required Skills:

• 8+ years of hands‑on experience in Java/J2EE development.
• Strong experience with Java 17/21 and modern Java features.
• Expertise in Spring Boot, Spring Framework, Spring Security, and Spring MVC.
• Strong experience developing RESTful APIs and microservices architecture.
• Experience with Hibernate, JPA, and ORM frameworks.
• Strong knowledge of SQL, PostgreSQL, MySQL, and Oracle databases.
• Experience with Apache Kafka, event-driven architecture, and messaging systems.
• Hands‑on experience with Docker, Kubernetes, and containerized applications.
• Experience with AWS, Azure, or GCP cloud platforms.
• Strong experience with CI/CD pipelines using Jenkins, GitHub Actions, or GitLab CI.
• Experience with Git, Maven, Gradle, and Agile/Scrum methodologies.
• Knowledge of unit testing and automation using JUnit 5, Mockito, and Testcontainers.

Recent / Modern Skills (2025-2026)

• Java 21 and modern Java development.
• Spring Boot 3.x and Spring Framework 6.
• Spring AI for integrating LLMs into Java applications.
• LangChain4j for building LLM-powered Java applications.
• Generative AI and LLM integration (OpenAI, Azure OpenAI, AWS Bedrock).
• Retrieval-Augmented Generation (RAG) and vector databases.
• AI Agent and tool-calling integration.
• Model Context Protocol (MCP) integration and MCP server development.
• Redis and distributed caching.
• Kubernetes, Helm, and cloud-native application deployment.
• Observability using OpenTelemetry, Prometheus, and Grafana.
• Secure API development using OAuth 2.0 and JWT.

Responsibilities:

• Design, develop, and maintain scalable enterprise Java applications.
• Build and deploy microservices using Java and Spring Boot.
• Develop secure REST APIs and integrate third‑party services.
• Implement event-driven solutions using Kafka and messaging platforms.
• Optimize application performance, scalability, and reliability.
• Develop cloud-native applications and deploy them using Kubernetes.
• Integrate Generative AI and LLM capabilities into enterprise Java applications.
• Implement AI‑powered workflows, RAG pipelines, and MCP-based integrations where applicable.
• Participate in code reviews, architecture discussions, and technical design sessions.
• Collaborate with cross‑functional teams in Agile development environments.

Preferred Qualifications:

• Experience with React.js or Angular.
• Experience with GraphQL.
• Knowledge of system design and distributed architecture.
• Experience with financial services, healthcare, or enterprise domains.
• Familiarity with DevSecOps and application security best practices.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.