Jr. Full Stack Developer (Java/Python)

We are looking for a motivated Junior Full Stack Developer to join our client's team in Plano, TX. This role is ideal for a candidate with hands-on exposure to front-end and back-end development, database design, modern AI/LLM technologies, and RPA (Robotic Process Automation), along with a foundational understanding of UI/UX principles and DevOps practices. The ideal candidate is a fast learner who is comfortable working across both Linux and Windows Server environments and is eager to grow their skills in a collaborative, fast-paced setting.

Applicants must be legally authorized to work in the United States. The company is not able to sponsor employment visas now or in the future. This role is W2 hourly with Roth Staffing (Ledgent Tech and Ultimate Staffing are divisions of Roth).

W2 Rate Range - $32.00 - $37.00

Location: Onsite in Plano, TX

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 and consume RESTful APIs to connect front-end and back-end components.


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


• Build and maintain RPA (Robotic Process Automation) workflows to automate repetitive business processes.


• Design, query, and maintain relational databases (RDB), ensuring data integrity and performance.


• Collaborate with designers and product stakeholders to implement clean, user-friendly UI/UX.


• Write unit and integration tests to ensure code quality and reliability.


• 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.

Required Qualifications

• Bachelor's degree in Computer Science or equivalent professional experience.


• Working knowledge of Java and Python programming languages.


• Basic front-end development experience (HTML, CSS, JavaScript, and a modern framework such as React, Angular, or Vue is a plus).


• Understanding of RESTful API design and integration.


• Foundational understanding of AI/LLM concepts and practical applications.


• Understanding of relational databases (RDB), including SQL and schema design.


• Basic knowledge of UI/UX design principles and best practices.


• Exposure to DevOps tools and practices (e.g., CI/CD, containerization).


• Experience with or exposure to RPA (Robotic Process Automation) tools (e.g., Brity Works, UiPath, Automation Anywhere, Power Automate).


• Experience with Linux/Ubuntu and Windows Server operating environments.


• Familiarity with Git and collaborative version control workflows.


• Basic understanding of Agile/Scrum development methodology.


• Strong problem-solving skills and willingness to learn new technologies.


• Excellent verbal and written communication skills.

Performance Expectations

• Develop comprehensive, scalable design systems


• Create interactive wireframes and prototypes


• Implement accessible, responsive interfaces


• Conduct rigorous UX research and usability testing


• Optimize application performance and user engagement

Preferred Qualifications

• English-Korean bilingual communication skills.

All qualified applicants will receive consideration for employment without regard to race, color, national origin, age, ancestry, religion, sex, sexual orientation, gender identity, gender expression, marital status, disability, medical condition, genetic information, pregnancy, or military or veteran status. We consider all qualified applicants, including those with criminal histories, in a manner consistent with state and local laws, including the California Fair Chance Act, City of Los Angeles' Fair Chance Initiative for Hiring Ordinance, Los Angeles County Fair Chance Ordinance, and San Francisco Fair Chance Ordinance.