Senior Application Developer

Senior Application DeveloperPosition Summary: The Senior Application Developer's primary role is to design, build, and enhance internal and external banking applications using a modern tech stack—primarily C# on the back end and Angular on the front end. In addition to working across the full software development life cycle, this technical leader guides architectural decisions, ensures best practices, and mentors team members to foster growth and maintain high standards. The Senior Application Developer plays a key role in delivering impactful projects that serve thousands of users while promoting innovation, stability, and continuous improvement within a collaborative environment that offers clear career growth and hybrid work flexibility.Essential Functions:Develop & Enhance Applications: Build new features and improve existing applications by writing high-quality, maintainable code.Full-Stack Development: Design, develop, and maintain applications across the entire technology stack, from responsive front-end interfaces to robust back-end services and database layers.Full SDLC Involvement: Take ownership of projects through all phases of the Software Development Life Cycle, which includes – analysis, planning, designing, coding, testing, and documentation.Unit Testing: Write and maintain unit tests for your code.Project Oversight: Oversee the technical execution of projects (acting as a tech lead), ensuring development efforts meet requirements and deadlines, and intervening to resolve technical roadblocks or design gaps.Technical Design & Code Reviews: Lead and participate in architectural design sessions and code reviews to ensure systems are scalable, secure, and maintainable.Collaborate & Support: Work with support teams and end-users to troubleshoot issues and gather feedback on our applications. Keep system documentation up to date to ensure systems are maintainable.Continuous Improvement: Actively participate in refining and improving our development processes. Take part in daily stand-ups and Scrum ceremonies, follow our established SDLC procedures, and suggest enhancements where appropriate.Mentor Junior Developers: Mentor and develop junior team members through pair programming, knowledge sharing, and regular feedback, to build the team's overall skill set.Required Qualifications:Minimum 7 years of Software Development experience with proven ability to design, implement, and deliver complex applications or major system components in a professional setting, taking projects from conception to production required.Minimum 7 years Relevant Technologies experience with expert-level proficiency in our core tech stack and tools required, including:Expert-level knowledge of C# and.NET (we heavily use the Microsoft stack).Capable of building and architecting robust back-end services, including creating and integrating with RESTful APIs, while making strategic design decisions.Expert-level proficiency in JavaScript/TypeScript and modern web frameworks, ideally Angular.Deep expertise with SQL databases – designing schemas, optimizing performance, and implementing advanced indexing strategies.Minimum 7 years experience applying Object-Oriented Design (OOD) principles and design patterns in real-world projects.Experience leading development teams or projects, including mentoring other developers and guiding architectural decisions/coding standards to achieve business-aligned, high-quality results.Experience conducting code reviews, including identifying and implementing software development best practices.Proficient with Git or similar version control systems in a team environment.Strong debugging and troubleshooting abilities across the full stack.Basic knowledge of network configuration is also necessary to diagnose connectivity or environment issues.Comfortable collaborating in cross-functional groups to achieve business goals and provide clear status updates.Valid Nebraska Driver's License.Preferred Technical Skills:Modern Web Frameworks: Experience with Angular is highly valued. Familiarity with responsive design and UI libraries like Bootstrap or Kendo UI is helpful.UI Design: Ability to create clean, consistent interfaces using style guides. Proficiency in CSS methodologies and preprocessors like Sass or LESS is a plus.API Integration & Security: Knowledge of OAuth2/OpenID Connect for secure authentication. Experience integrating third-party APIs and using secure data exchange patterns.Event-Driven Architecture: Understanding of event-driven design and messaging systems (e.g., Azure Service Bus, Event Grid) for scalable, decoupled applications.Background Job Technologies: Experience with background processing tools like Hangfire or Azure Functions to handle tasks outside the main request/response flow.Data Integration Tools: Familiarity with ETL tools (e.g. Boomi) for system integration and maintaining data consistency.Alternative Data Storage: Experience with NoSQL databases (e.g., MongoDB, Azure Cosmos DB) and knowing when to use them for flexible or scalable data needs.DevOps & Cloud Tools: Exposure to CI/CD pipelines (especially Azure DevOps), infrastructure-as-code (e.g., Terraform), and monitoring/logging tools.Azure Services Awareness: Working knowledge of core Azure services (App Services, Storage, Key Vault, etc.) and experience deploying cloud-based applications.Branching Strategies: Understanding of Git workflows like trunk-based development and GitFlow to support collaborative CI/CD practices.Unit Testing: Experience writing unit tests for front-end and back-end code using frameworks like XUnit, NUnit, Jasmine, or Karma. TDD is a plus.SDK Development: Ability to build reusable, well-documented libraries or SDKs for cross-team use and seamless integration.Preferred Talents:Leadership and mentoringAnalytical and detailedEffective verbal and written communicatorOrganized and can multitask and prioritize projectSelf motivated and takes initiativeAdapt to shifting business needs or project scopesCreative problem solver with innovative mindsetWorking Environment: Mostly indoor work with occasional exposure to outdoor elements or hazards. Some sedentary work and occasional lifting and/or carrying up to 15 pounds. Some travel required. This role is eligible for hybrid work from home opportunity 3 days per week under the work from home guidelines upon completion of onboarding with 2 days in the office.