This is an onsite job in Houston, MS.The Senior Software Developer will help modernize and extend our core in-house business system. While the existing platform is built primarily in RPG on IBM i, this role focuses on building new features, integrations, and web applications using modern technologies - particularly Python, SQL, and contemporary web frameworks. The goal is to unlock greater business value, improve efficiency, and align technology with current and future business needs.
Key Responsibilities- Review and analyze legacy code to understand business logic when integrating new functionality or modernizing existing processes.
- Design, develop, and implement new features and modules using Python.
- Build and optimize SQL-based data solutions for reporting, analytics, and business processes.
- Develop and support EDI processes with trading partners and external systems.
- Develop and maintain web applications and user interfaces with modern technologies (HTML, CSS, JavaScript, etc.).
- Collaborate with business stakeholders to understand requirements and deliver effective technical solutions.
- Participate in system modernization, upgrades, and API development.
- Write clean, maintainable, and well-documented code.
- Provide technical support for developed solutions.Required Qualifications
- 3+ years of professional experience in software development.
- Strong proficiency in Python.
- Advanced SQL skills (query optimization, complex joins, performance tuning).
- Solid experience with frontend and backend web development.
- Experience working with relational databases.
Preferred Qualifications- Experience with EDI processes, mapping, and troubleshooting.
- Experience integrating with or migrating from legacy systems.
- Familiarity with IBM i / RPG.
- Knowledge of API design, microservices, or cloud technologies.
- Background in business analysis or process improvement.
Soft Skills- Strong problem-solving and analytical mindset.
- Good communication skills with technical and non-technical teams.
- Ability to work independently and collaboratively.
