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Sr. JavaPython Full Stack Developer

Woongjin, Inc


Job Location:

Plano, TX - USA

Monthly Salary: Not provided by the employer
Posted: 5 September 2026 (16 hours ago)
Application Deadline: 3 December 2026
Vacancies: 1 Vacancy

Job Summary

We are looking for a motivated senior full stack developer to join our team in Plano TX. This position is responsible for the development deployment and operation support of enterprise web applications based on Java/J2EE and Spring framework. The primary responsibility includes analyzing application issues implementing code changes managing application releases performing production deployments and providing stable operation support for business-critical applications. The role will work closely with business users development teams infrastructure teams and global IT organizations to ensure application availability performance and continuous addition to traditional enterprise application operation responsibilities this position will support digital transformation initiatives by developing AI-enabled solutions using Python Large Language Models (LLM) and Agentic AI technologies. The ideal candidate will have strong Java/Spring application development and operational experience with the ability to expand into AI application development including AI Agents workflow automation and intelligent application services.

 

Key Responsibilities

      Design develop test and maintain full stack applications and services using Java and Python.

      Build and maintain front-end interfaces (HTML CSS JavaScript) alongside back-end APIs and services.

      Design develop and maintain end-to-end solutions using J2EE technologies for both front-end and back-end components. Collaborate with cross-functional teams to understand business requirements and translate them into technical specifications

      Utilize modern front-end technologies (HTML5 CSS3 JavaScript Angular React etc.) to create responsive and user-friendly interfaces. Implement and maintain efficient and reusable front-end components

      Develop server-side logic using Java and J2EE frameworks (Spring Hibernate etc.). Design and implement RESTful APIs to facilitate seamless communication between front-end and back-end components

      Design and optimize database schemas queries and transactions. This position especially needs strong SQL skills. Experience with relational databases (e.g. MySQL Oracle PostgreSQL) and NoSQL databases

      Write clean maintainable and efficient code. Conduct thorough unit testing and participate in code reviews to ensure high-quality deliverables

      Support the integration and fine-tuning of AI/LLM-based features into existing and new applications.

      Assist in building and maintaining CI/CD pipelines and other DevOps automation.

      Deploy configure and troubleshoot applications on Linux (Ubuntu) and Windows Server environments.

      Use Git for version control and participate in code reviews and pull requests.

      Participate in Agile/Scrum ceremonies sprint planning and cross-functional team meetings.

      Document technical processes code changes and system configurations.

      Troubleshoot and resolve bugs and production issues in a timely manner.


Qualifications :

      Bachelors degree in Computer Science Software Engineering Information Technology or related field.

      Must have web UI side technical skills: Angular5 Bootstrap JQuery HTML/CSS Ajax JSON Java script

      9 years of experience in enterprise application development operation and production support.

      Experience with version control systems (Git) build tools (Maven Gradle) and continuous integration/delivery

      Experience with DevOps practices and tools including CI/CD pipeline Git Jenkins Kubernetes or cloud-based deployment environments

      Strong experience in Java-based J2EE Web Application development and maintenance.

      Hands-on experience with Spring Framework (Spring MVC Spring Boot Spring Security etc.).

      Experience in application deployment release management troubleshooting and production incident resolution.

      Strong understanding of Web application architecture REST API database integration and middleware technologies.

      Experience with SQL and relational databases such as Oracle PostgreSQL or similar databases.

      Experience with software development lifecycle (SDLC) and IT service management processes.

      Strong communication skills and the ability to effectively interact with cross-functional teams

      Foundational understanding of AI/LLM concepts and practical applications

 

Preferred Qualifications

      Experience supporting cloud platforms such as AWS Azure or Samsung Cloud Platform (SCP).

      Experience with application monitoring logging and performance troubleshooting.

      Experience developing Python-based applications or automation scripts.

      Knowledge or hands-on experience with Generative AI Large Language Models (LLM) and AI Agent development.

      Experience with Agentic AI frameworks such as LangChain LangGraph AutoGen CrewAI or similar technologies.

      Experience building AI-powered workflow automation RAG (Retrieval Augmented Generation) applications or LLM-based services.

      Ability and willingness to combine enterprise application development skills with emerging AI technologies.

 


Additional Information :

All your information will be kept confidential according to EEO guidelines.

*****NO C2C******


Remote Work :

No


Employment Type :

Full-time


About Company

Company Logo

WJ Company - is a company with a purpose to bring amusement to the world. It’s an innovative technology company for green services, Was formally established in March 2020. The game products were officially launched in August 2020 gaining unanimous high evaluation.

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