Full-Stack Software Engineer for Business Apps

SMSI; Town of Springfield (WI); On-site; USD 90,000 - 120,000; Full time

Job summary

SMSI is seeking a hands-on software developer to turn business needs into reliable applications in Springfield, MO. You will work with IT leadership to develop, test, deploy, and support systems including internal web apps, integrations, and Zoho replacements.

You will use AI coding tools and maintain strong source control and documentation while helping employees adopt new solutions. Your role emphasizes end-to-end delivery, from planning through deployment and ongoing improvements, with

Qualifications

• Three+ years of professional software development experience.
• Experience across the full stack: frontend, backend, databases, and APIs.
• Strong debugging and independent problem-solving skills.
• Experience with SQL, REST APIs, authentication, and third-party integrations.
• Proficiency with Git and deploying software used by business users.
• Ability to translate evolving business requests into a clear development approach.
• Willingness to learn Zoho during transition to custom applications.

Responsibilities

• Participate in meetings with business users to understand workflows, clarify requirements, identify exceptions, and recommend practical solutions.
• Build and maintain complete web applications, including user interfaces, backend services, databases, and integrations.
• Take responsibility for assigned projects from initial requirements through production deployment and continued improvement.
• Use AI coding tools to accelerate development while reviewing, understanding, and testing the code they produce.
• Test backend logic, APIs, database operations, permissions, integrations, and failure scenarios, along with the user-facing experience.
• Deploy applications to SMSI-managed environments and troubleshoot issues in production.
• Support and improve our existing Zoho applications, workflows, forms, approval rules, and integrations while replacement systems are developed.
• Help plan and execute migrations, including moving data, validating results, transitioning users, and retiring replaced functionality.
• Maintain clear source control, technical documentation, and deployment instructions so others can understand and support your work.
• Communicate progress, raise issues early, and help balance new development with application support and changing priorities.

Skills

Full stack development

AI coding tools

SQL

Git

REST APIs

Debugging

Tools

Next.js

Node.js

PostgreSQL

Railway

Cloudflare

GitHub

Claude Code

Job description

SMSI is seeking a hands-on software developer to turn business needs into reliable applications in Springfield, MO. You will work with IT leadership to develop, test, deploy, and support systems including internal web apps, integrations, and Zoho replacements.

You will use AI coding tools and maintain strong source control and documentation while helping employees adopt new solutions. Your role emphasizes end-to-end delivery, from planning through deployment and ongoing improvements, with