Sr Developer, Enterprise Applications

Job Description
Performs complex software development activities for enterprise applications supporting Energy Platforms and Cardlock. Designs, develops, tests, deploys, and supports a new internally built Card Management Platform, secure APIs, event-driven integrations, front-end experiences, and data migration capabilities. Works independently as a senior individual contributor while collaborating with developers, analysts, architecture, infrastructure, cloud, security, data, vendors, and business stakeholders.
• Application Development & Product Delivery (80%): Design, develop, test, deploy, and support secure, scalable, and maintainable enterprise application solutions, primarily the greenfield Card Management Platform. Build object-oriented services using C# and/or Python, modern front-end interfaces using React or similar technologies, REST APIs, event-driven integrations, provider abstractions, and AWS components. Deliver card lifecycle, customer, account, fleet, driver, restriction, limit, reporting, self-service, printer, fuel-network, and ERP workflows. Own solutions through requirements, design, development, testing, deployment, troubleshooting, documentation, and production support.
• Data & ERP Migration Support (10%): Develop SQL scripts, ETL processes, migration utilities, data mapping, validation, reconciliation, and exception handling. Analyze source and destination data structures and support accurate ERP and platform migrations.
• Technical Collaboration & Standards (10%): Participate in technical design, code reviews, quality reviews, estimation, planning, risk and dependency communication, documentation, production readiness, and continuous improvement of API, integration, migration, monitoring, and support practices.
• Model behaviors that support the company’s common purpose; ensure guests and team members are supported at the highest level.
• Ensure all activities are in compliance with rules, regulations, policies, and procedures.
• Complete other duties as assigned.
• Mentor junior developers.
• Support internal training and documentation.

Qualifications
• This position does not support immigration sponsorship. To be considered you must have the legal right to work in United States without additional sponsorship.
• Bachelor's degree in Computer Science, Software Engineering, Information Systems, Engineering, Business, or a related field preferred; equivalent combination of education and experience accepted in lieu of degree.
• Five or more years of professional software development experience required.
• Experience developing REST APIs, enterprise integrations, event-driven applications, React or similar front-end interfaces, relational database solutions, ETL and migration utilities, and production support solutions required.
• AWS certification preferred.
• Microsoft/.NET certification preferred.
• Strong object-oriented development skills using C# and/or Python.
• REST API design, authentication, authorization, API security, event-driven architecture, and React or similar front-end development.
• SQL Server, PostgreSQL, AWS RDS, ETL, data validation, migration scripting, and reconciliation.
• AWS Lambda, SNS, S3, and RDS preferred.
• Cardlock, wholesale fuel, commercial fleet fueling, petroleum distribution, PDI, CFN, Voyager, PacPride, NetworkFuels, or card-printer experience preferred.
• Source control, pull requests, code reviews, CI/CD, monitoring, logging, and production readiness.
• Strong analytical and problem-solving skills.
• Self-motivated with the ability to work independently and collaboratively to meet deadlines, goals, and objectives.
• Ability to prioritize and manage multiple assignments in a fast-paced environment.
• Strong organizational skills and attention to detail.
• Strong written and verbal communication, documentation, and stakeholder collaboration skills.
• Ability to translate business requirements into practical, secure, and maintainable technical solutions.

Additional Information
• Overnight travel required is up to 5%.
• General office work requiring sitting or standing for long periods of time.
• Ability to work in a hybrid office environment.
• Ability to participate in occasional production support activities, releases, or incident response outside standard business hours as needed.
• Ability to use standard office equipment and technology tools.
• Nation-wide Medical Plan/Dental/Vision
• 401(k) and Flexible Spending Accounts
• Employee Fuel Discount
• Adoption Assistance
• Tuition Reimbursement
• Weekly Pay
• All your information will be kept confidential according to EEO guidelines