Sr Developer, Enterprise Applications

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.
This position requires candidates to be legally authorized to work in the United States without employer sponsorship now in the future.
High school diploma or equivalent certificate required.
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.

Employment type
Full-time

Work arrangement
Hybrid