Software Engineer I

Job Summary

Software Engineer III serves as a key member of the Distributed Applications team with primary responsibility for designing, developing and maintaining Web, Mobile, artificial intelligence (AI)/ machine learning (ML), and Legacy applications. This role develops, implements, and maintains IT applications using modern development technologies and tools, and involves close collaboration with Solution Architects, developers, and business stakeholders to analyze business requirements, participate in design sessions, and develop application features. Additionally, Software Engineer III researches and addresses technical issues and requests, identifies root causes, and resolves production problems.

Location

This is a hybrid position requiring employees to work onsite two days per week at our Round Rock, Texas office. The remaining workdays may be worked remotely.

Essential Responsibilities

The position incumbent is expected to perform the following essential duties and responsibilities with reasonable accommodation.

Software Design and Development

• Lead and contribute to the design, development, testing, deployment, and lifecycle support of web, mobile, legacy, and AI-enabled applications.
• Translate business and technical requirements into solution designs, technical specifications, and maintainable application components.
• Design and integrate AI/ML capabilities and data pipelines using appropriate frameworks and technologies.

Technical Leadership and Standards

• Provide technical leadership across the software development lifecycle, including architecture and design decisions, estimation, implementation planning, code quality, and release readiness.
• Establish and enforce application development standards for security, performance, reliability, maintainability, observability, and regulatory compliance.
• Mentor team members and provide technical guidance.

Testing, Quality, and Deployment

• Implement DevOps practices (Continuous Integration and Continuous Delivery / Deployment (CI/CD), containerization with Docker/Kubernetes).
• Write and automate test scripts; participate in code reviews and performance optimization.
• Participate in peer code reviews, application standards and application performance reviews

Application Support and Continuous Improvement

• Provide ongoing support for business applications in production through on-call rotation.
• Identify and resolve issues that arise during the design, testing and maintenance processes using problem-solving skills.
• Provides information by collecting, analyzing, and summarizing development and service issues.
• Research emerging technologies and propose solutions to improve processes.
• Evaluate, adopt, and apply AI-enabled technologies to support strategy, improve workflow efficiency, automate routine tasks, and enhance data-driven decision making.

Collaboration and Delivery Coordination

• Coordinate cross-functional delivery with Solution Architects, developers, infrastructure, security, data, quality assurance, and business stakeholders; identify risks and drive issues to resolution.
• Participate in team meetings, code reviews, requirements analysis, design meetings etc. using productivity tools like O365, Copilot, Teams, Jira, Confluence etc.
• Work in a team-oriented environment with flexibility to work independently.

Non-Essential Responsibilities

• Support Information Technology's vision, strategic direction, development, and future growth.
• Support other functions and responsibilities of the departments.
• Contribute to the development of department and company strategic initiatives.
• Assist with special projects as assigned.
• Interact with all levels of management
• Must be available to work flexible hours.
• All other duties and responsibilities as assigned.

Knowledge, Skills, and Abilities

• Strong working experience of modern programming languages and frameworks (e.g., Java, Python, Spring Boot, Angular, React)
• Proficient in deploying applications to servers (Oracle WebLogic, Tomcat) and integrating with databases (SQL Server, DB2, MySQL)
• Demonstrated experience in requirements analysis, software design, development, testing, and production implementation
• Skill in refactoring legacy systems into microservices architecture.
• Proficiency in modern frontend frameworks (Angular, React, TypeScript).
• Deep expertise in Java EE concepts including EJBs, JPA, JMS, and JAX-RS, with demonstrated ability to debug and optimize complex service architectures.
• Experience designing, building, and maintaining RESTful APIs and microservices in cloud/hybrid environments.
• Knowledge of AI/ML concepts and demonstrated skill in developing AI-enabled application features, including LLM integration, prompt engineering, retrieval-augmented generation (RAG), AI agents or workflow automation, model evaluation, and responsible AI practices.
• Skilled in utilizing AI-enabled tools and technologies to improve efficiency, enhance work quality and outcomes, and support innovation and continuous process improvement.
• Working proficiency with version control systems, agile methodologies, software design and diagramming, build and deployment tools, issue and bug tracking tools, data access tools, and SQL across relational and non-relational databases.
• Excellent communication and collaboration skills
• Strong interpersonal and team building skills when interacting with internal and external customers.
• Demonstrated ability to effectively work with dynamic, cross-functional teams in support of corporate goals and objectives, and in the enhancement of the corporation's technology products, services, and capabilities.

Qualifications

Education

Required: Bachelor’s degree in Computer Science, Computer Engineering, or related field. Experience beyond the minimum work experience requirement can be substituted for degree on a year-for-year basis.

Experience

Required:

• Five (5) years of total professional experience delivering technology solutions across application development, cloud services, data platforms, automation, AI-enabled technologies, and related software tools. The required experience must include the following:

• Demonstrated experience in developing, debugging, testing, deploying, and maintaining Java applications and RESTful web services.
• Hands-on experience with DevOps tooling such as Docker, Kubernetes, Jenkins, Maven, Git, and Nexus, including CI/CD pipelines and cloud deployments in Azure, AWS, or GCP.
• Experience in building and delivering AI-enabled application features, including LLM integration, prompt engineering, RAG, or AI agent and workflow automation.

Preferred:

• Experience with AI / ML, and Data Analytics technologies.

• Experience with AI code assistant tools, large language models (LLMs), and AI models
• Data Transformation experience using extract, transform, and load (ETL) tools.
• Familiarity with migration of legacy systems (COBOL on z/OS) to modern technologies.

Work Environment

• Work may be conducted remotely or in an office with a surrounding small cubicle environment.
• Office work environment is climate controlled with no substantial exposure to adverse environmental conditions.
• Participates in rotating on-call support for web and mobile business applications.

Equal Employment Opportunity Statement

Trellis is committed to providing equal employment opportunities to all employees and applicants. Employment decisions are based on business needs, job requirements, and individual qualifications without regard to any status protected by applicable federal, state, or local law.

Physical and Mental Demands

• Occasionally must move about inside the office.
• Repetitive motion. Regularly operates a computer, phone, and general office equipment.
• Regularly required to handle, feel, grasp objects, and reach across a work area.
• Regularly communicates with other employees and on the phone, virtually, or in person with clients. Regularly converses with internal and external contacts.
• Visual acuity. Regularly must have close visual acuity to view and enter information into computer and software systems, analyze data, develop presentations and reports, and other materials.
• Mental focus. Requires worker to maintain focus and exchange detailed and accurate information through oral and written communication.