Senior Applications Developer

Union Bank & Trust Company; Omaha (NE); Hybrid; USD 95,000 - 135,000; Full time

Job summary

Union Bank & Trust Company in Omaha, Nebraska seeks a Senior Application Developer to design, build, and enhance banking applications using C# on the back end and Angular on the front end. You will guide architectural decisions, mentor teammates, and support high standards across the full SDLC.

This role offers hybrid work with two days in the office and three days remote after onboarding, opportunities for growth, and collaboration with cross-functional teams to deliver scalable, secure

Qualifications

• 7+ years software development delivering complex applications.
• 7+ years with C#, .NET, SQL, and web tech (Angular).
• 7+ years applying OOD and design patterns.
• Experience leading development teams and mentoring.
• Experience conducting code reviews and promoting best practices.
• Proficient with Git in a team environment.
• Nebraska Driver’s License required.

Responsibilities

• Develop & enhance applications across the full stack with high-quality, maintainable code.
• Design, develop, and maintain front-end to back-end services and databases.
• Own projects through full SDLC: analysis, planning, design, coding, testing, documentation.
• Write and maintain unit tests; follow secure coding practices to prevent regressions.
• Provide technical leadership in architecture, code reviews, and standards enforcement.
• Collaborate with support and end-users; keep documentation up to date.
• Contribute to continuous improvement and participate in Scrum ceremonies.
• Mentor junior developers through pair programming and knowledge sharing.
• Adhere to bank policies and compliance requirements.

Skills

C# & .NET

JavaScript/TypeScript

Angular

SQL databases

OO Design & patterns

Mentoring & leadership

Code reviews

Git/version control

Debugging & troubleshooting

Cross-functional collaboration

Strong communication

Job description

Position 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.

This role is eligible for a hybrid work-from-home opportunity under the work-from-home guidelines: two days in the office and three days WFH per week upon completion of onboarding.

Essential Functions

• Develop & Enhance Applications: Build new features and improve existing applications by writing high-quality, maintainable code. Utilize your programming and problem‑solving skills to extend our custom frameworks and services to meet evolving business needs.
• 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. Implement RESTful APIs, integrate third-party services, and ensure seamless communication between client and server components.
• 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. You will design solutions, write code, and produce technical documentation/user guides for new systems or enhancements.
• Unit Testing: Write and maintain unit tests for your code. Follow coding standards and best practices (including secure coding guidelines) to ensure reliability and prevent regression and maintain high code quality.
• 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. Provide constructive feedback and enforce coding standards and best practices, refining these standards as needed to maintain high code quality.
• 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. Occasionally consult with external vendors or evaluate third-party solutions when investigating improvements or resolving complex issues.
• 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. Continuously research new technologies and propose innovative solutions to technical challenges.
• 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.
• Understand and adhere to all bank policies, laws and regulations applicable to your role. Complete compliance training and follow internal processes and controls as required. Understand and implement secure coding techniques in compliance with technical reference architecture.
• Report all compliance issues, violations of law or regulations in accordance with the steps defined in bank policies.
• Regular and reliable attendance is an essential function of this position.
• Perform other job-related duties or special projects as assigned.

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.
• 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. Able to architect and deliver responsive, user-friendly interfaces, and guide others in best practices (comfortable with advanced HTML/CSS concepts).
  • Deep expertise with SQL databases—designing schemas, optimizing performance, and implementing advanced indexing strategies. Skilled in writing complex queries, stored procedures, and relational data modeling at scale.
• Minimum 7 years experience applying Object-Oriented Design (OOD) principles and design patterns in real-world projects. Able to design modular, reusable code and apply advanced concepts like inheritance, encapsulation, and polymorphism to create maintainable, scalable architectures.
• 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.
• Experience promoting code quality and best practices (e.g. by performing thorough code reviews, enforcing development standards, and driving adoption of modern 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 mentoring
• Analytical and detailed
• Effective verbal and written communicator
• Organized and can multitask and prioritize project
• Self motivated and takes initiative
• Adapt to shifting business needs or project scopes
• Creative problem solver with innovative mindset

Working 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 a 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.

PLEASE VIEW THE APPLICANT TERMS & CONDITIONS BEFORE PROCEEDING WITH YOUR APPLICATION.

Equal Opportunity Employer

This employer is required to notify all applicants of their rights pursuant to federal employment laws.

For further information, please review the Know Your Rights notice from the Department of Labor.