What are the responsibilities and job description for the Junior Application Developer position at Gunner?
Gunner Roofing is soaring ahead as the fastest-growing roofing company, known for exceptional craftsmanship, stellar customer service, and innovative technology. We’ve patented a unique website that makes us the first and only company in the nation to provide accurate roof quotes completely online, in just minutes.
Winner of multiple awards including GAF’s Cutting Edge Contractor Award 2023 & DaVinci Masterpiece Contractor Project of the Year 2023 along with Fast Company’s Most Innovative Companies 2024, & Inc. Best Workplaces 2025. Our people are the backbone of Gunner, each member bringing unique skills and passion to the table, driving us forward and upholding our commitment to education, communication, unmatched speed, innovation, and craftsmanship. Our people are aided by an experience that enables customers to easily purchase roofing online. This blend of traditional craftsmanship and digital ease underscores our dedication to an exceptional customer experience.
As a Junior Application Developer at Gunner you will contribute to the development, maintenance, and organization of modern web applications that support business operations and enhance the customer experience. Working closely with leadership, you will help build scalable and reliable solutions in a collaborative and fast-paced environment.
What will you do?- Develop and maintain web applications using React.js, PHP, and faWordPress.
- Build and enhance backend services and APIs to support front-end functionality.
- Design, query, and optimize databases using MySQL and PostgreSQL.
- Participate in deploying and maintaining applications in a fully AWS-based cloud environment.
- Write clean, maintainable, and well-documented code following modern development best practices.
- Troubleshoot bugs, performance issues, and production incidents.
- Collaborate with cross-functional teams to translate business requirements into technical solutions.
- Contribute to continuous improvement of development workflows, testing practices, and system performance.
- Experience building web applications using React.js for modern, responsive front-end development.
- Strong knowledge of PHP, including building and maintaining custom PHP applications.
- Experience developing custom WordPress themes and plugins, including extending WordPress functionality beyond standard configurations.
- Proficiency working with relational databases including MySQL and PostgreSQL (schema design, queries, and performance optimization).
- Familiarity with version control using Git and maintaining active project repositories on GitHub.
- Ability to write clean, maintainable, and well-documented code following modern development best practices.
- Exposure to cloud-based infrastructure, particularly within the AWS ecosystem.
- Familiarity with core AWS services such as EC2, S3, WAF, and RDS.
- Understanding of deploying, maintaining, and troubleshooting applications in a cloud hosted environment.
- Ability to collaborate effectively with the Gunner team.
- We offer a wide range of subsidised health insurance options that include medical, dental, and vision for you and your family.
- Our robust 401K plan includes an employer match contribution with your pre-tax and/or Roth contributions.
- Unlimited Paid Time Off (PTO) available after 60 days of employment.
- An awesome company culture built on collaboration, innovation and supporting each other’s growth.