Onsite Specialized Applications Developer - Integrations & AI

01 FirstDay Foundation; San Antonio (TX); On-site; USD 90,000 - 130,000; Full time

Job summary

01 FirstDay Foundation is seeking a Specialized Applications Developer in San Antonio, TX. You will design, build, and maintain custom applications and integrations, serving as a technical owner across enterprise platforms.

With 4+ years in software development and strong .NET/C# or Java skills, you will connect systems, automate processes, and contribute to AI-enabled capabilities while collaborating with business and technical partners.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, Information Systems, or related field or equivalent experience.
• At least 4 years designing, developing, integrating, or supporting software.
• Proficiency in .NET/C# or Java; able to work with JavaScript/TypeScript, Python, PowerShell, HTML, or CSS.
• Hands-on experience with APIs, relational databases and SQL, source control, debugging, testing, and production support.
• Ability to learn unfamiliar technologies quickly and work with non-technical stakeholders.

Responsibilities

• Design, build, test, deploy, and maintain custom applications, services, utilities, and internal tools.
• Work across multiple technologies, selecting practical approaches based on security, maintainability, and speed to value.
• Translate requirements into prototypes and production-ready solutions; iterate with users and stakeholders.
• Review, troubleshoot, and improve existing code, integrations, and processes.

Skills

.NET/C#

Java

APIs

SQL

Web technologies

Education

Bachelor's degree in CS or related field

Tools

Workato

Salesforce

Drupal

SQL Server

Job description

01 FirstDay Foundation is seeking a Specialized Applications Developer in San Antonio, TX. You will design, build, and maintain custom applications and integrations, serving as a technical owner across enterprise platforms.

With 4+ years in software development and strong .NET/C# or Java skills, you will connect systems, automate processes, and contribute to AI-enabled capabilities while collaborating with business and technical partners.