GIS Application Developer, Sr.
Job Summary
The Developer Sr, Application for Asset Technology/Geographic Information System (GIS) position within Gas Technology Delivery will work with limited supervision to design and develop custom applications to support the GIS Technology portfolio utilized by Southern Company Gas as well as the build and support of Southern Company Gas COTS applications. This resource will be a subject matter expert with deep technical knowledge within the ESRI GIS Platform and associated mapping technology areas. This role will complete projects which will include standard development using a variety of languages, web-based GIS technologies, cognitive services, integration technologies, and native mobile applications.
This role reports to the Supervisor, IT (GIS)
Development Sr, Application – Essential Duties Include
- Develop custom software that leverages GIS technologies.
- Develop software solutions that leverage COTS with minimal customization.
- Create and drive completion of Technical Design Documents.
- Collaborate with junior team members to plan for coding work and overall program development.
- Translate technical specifications to creation of code that meets performance expectations/functionality requirements.
- Ability to modify existing software to correct errors, to adapt it to new hardware, or to upgrade interfaces, and improve performance based on specifications, with limited supervision.
- Troubleshoot, debug, maintain, and improve existing software and applications.
- Develop technology solutions and corresponding documentation to complex problems using deep technical expertise and creativity.
- Plan and participate in system and unit testing as required.
- Plan and participate in deployment activities to implement designed solutions.
- Maintain and follow production support processes focused on identification and mitigation of root causes.
- Flex to meet customer demands (production support and project work).
- Prioritize workload and deliver on project commitments.
- Provide on-call support: both solving issues independently as well as assisting other teams as needed.
- Support and mentor less experienced personnel.
- Use excellent interpersonal skills and the ability to communicate complex technical concepts and plans in English.
- Ensure strategies and software solutions developed are aligned with the Technology Organization goals and strategies.
- Identify opportunities to leverage Automation, ML, or AI Models/AI Agents for development and application efficiencies.
Skills/Experience
Bachelor’s degree in MIS, GIS, Computer Science, or a related field
5 years minimum experience with GIS application software development or support is required.
Experience with C#, Java, or other object-oriented programming language is required.
Working experience of ESRI's .NET or, Java SDK required
Knowledge of ESRI’s REST API required.
Knowledge of ESRI’s JavaScript API is required.
Experience with Python is required.
Experience with Microsoft CoPilot for GitHub or Claude for Development purposes is welcome.
Experience with TFS/GitHub for Version Control
Experience in the utility industry is preferred.
Experience with Oracle is preferred.
Experience with JavaScript, TypeScript, and Angular preferred
Experience with Windows server administration and configuration preferred
A deep, comprehensive knowledge of the Software Development Life Cycle and development principles
Experience working in an AGILE software development environment & Working knowledge of JIRA is Preferred
- Interest in and passion for continual learning and working in a fast-paced environment is essential.
A deep understanding of ESRI and other leading mapping tools, platforms, and applications
Ability to manage multiple assignments and conflicting priorities.
Ability to work and communicate with business partners, and peers of varying levels of technical proficiency.
- Experience with various sized development projects, enhancement projects, and production support activities.
- Ability to identify and document root cause of routine problems while collaborating with other technical staff.
- Deep experience creating Technical Design Documents and Specifications
- Deep experience with software development projects.
- Ability to develop unit testing of code components or complete applications.
- Experience in system development practices, methodology and tools
- Experience with Agile delivery; Kanban; Scrum
- Excellent problem-solving and analytical skills
Ability to provide on-call support both solving issues independently as well as assisting other, less experienced on-call personnel.
Advanced understanding of various technical principles, theories, and concepts
Broad understanding of a wide range of technical areas
Ability to work well on a team and share coding responsibilities across multiple projects.
Excellent communication skills in English including the ability to translate complex or technical ideas into non-technical language.
Experience with ITIL processes and various programming languages.
About Us
About Southern Company
Southern Company (NYSE: SO) is a leading energy provider serving 9 million customers across the Southeast and beyond through its family of companies. Providing clean, safe, reliable and affordable energy with excellent service is our mission. The company has electric operating companies in three states, natural gas distribution companies in four states, a competitive generation company, a leading distributed energy solutions provider with national capabilities, a fiber optics network and telecommunications services. Through an industry-leading commitment to innovation, resilience and sustainability, we are taking action to meet customers' and communities' needs while advancing our goal of net-zero greenhouse gas emissions by 2050. Our uncompromising values ensure we put the needs of those we serve at the center of everything we do and are the key to our sustained success. We are transforming energy into economic, environmental and social progress for tomorrow. Our corporate culture has been recognized by a variety of organizations, earning the company awards and recognitions that reflect Our Values and dedication to service. To learn more, visit www.southerncompany.com.
Southern Company invests in the well-being of its employees and their families through a comprehensive total rewards strategy that includes competitive base salary, annual incentive awards for eligible employees and health, welfare and retirement benefits designed to support physical, financial, and emotional/social well-being. This position may also be eligible for additional compensation, such as an incentive program, with the amount of any bonus/awards subject to the terms and conditions of the applicable incentive plan(s). A summary of the benefits offered for this position can be found here https://seo.nlx.org/southernco/pdf/SOCO-Benefits.pdf. Additional and specific details about total compensation and benefits will also be provided during the hiring process.
Skills Required
- Bachelor's degree in MIS, GIS, Computer Science, or a related field
- Minimum 5 years experience with GIS application software development or support
- Experience with C#, Java, or other object-oriented programming language
- Working experience with ESRI's .NET SDK or ESRI Java SDK
- Knowledge of ESRI's REST API
- Knowledge of ESRI's JavaScript API
- Experience with Python
- Experience with TFS or GitHub for version control
- Deep understanding of the Software Development Life Cycle and development principles
- Experience providing on-call production support
- Excellent communication skills in English
- Experience with Microsoft CoPilot for GitHub or Claude for development purposes
- Experience in the utility industry
- Experience with Oracle
- Experience with JavaScript, TypeScript, and Angular
- Experience with Windows server administration and configuration
- Experience working in an Agile environment and knowledge of JIRA
- Experience with ITIL processes
What We Do
Southern Company Services, Inc., headquartered in Birmingham, Alabama, is the shared services division of Southern Company.







