IT Software Developer Analyst-Level 3 - Senior (11 - 15 Years)

Enterprise Application Developer

Lead the architecture, development, and optimization of mission-critical enterprise applications supporting commercial energy operations. Drive full-stack solutions across.NET platforms, SQL Server databases, and cloud technologies while providing technical leadership on complex system integrations, data migrations, and business intelligence initiatives.

Design and develop scalable.NET applications (C#, ASP.NET, .NET Core) supporting business-critical operations.

Build robust APIs (REST / SOAP) for system integrations and third-party vendor connectivity.

Create full-stack solutions spanning frontend (JavaScript / Vue.js / React / Angular) to backend services.

Implement microservices architecture and cloud-native applications on AWS / Azure.

Design complex database schemas, stored procedures, triggers, functions, and ETL processes.

Lead technical design sessions and translate business requirements into scalable solutions.

Establish coding standards, best practices, and architectural patterns across development teams.

Mentor junior developers on.NET / SQL development and design principles.

Conduct code reviews ensuring quality, security, and maintainability.

Evaluate and recommend new technologies, frameworks, and tools for the development stack.

Lead large-scale data migration projects from legacy systems to modern platforms.

Build data synchronization processes for real-time and batch data exchange.

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department.