Software Developer (.NET + AI/LLMs)

Job Description

Join Aperia Solutions, a leader in SaaS solutions for the Payments and Compliance industries. Aperia is a Texas-based fintech and managed consultancy firm that creates custom SaaS applications and other software-based solutions for the payments, banking, and processing industry. Founded in 1999, Aperia offers business intelligence, risk management, compliance, and customer intelligence platforms. With offices in Dallas, Washington DC, and Vietnam, Aperia is a fast-paced, global organization that strives to improve efficiency in compliance, risk, and customer service operations. Aperia’s clients include banks, processors, payment facilitators, merchant service providers, independent sales organizations, and government entities. A career at Aperia promises a great challenge, culture, and opportunities to forge your own path.

We are seeking an experienced Software Developer with strong expertise in Visual Studio Code, .NET Core, Visual Studio/.NET, SQL Server, React, Angular, CI/CD, API development, and secure software engineering to join our growing development team. This is a hands-on role focused on designing, developing, and maintaining modern, scalable, cloud-native applications that support high-volume transactional systems.

The ideal candidate has a strong software engineering background, is passionate about writing clean, maintainable code, and has experience integrating security into the software development lifecycle using tools such as Fortify and Harness.

Required skills

4–6+ years of professional software development experience using C#/.NET Framework and .NET Core/.NET 6+.

Strong proficiency using Visual Studio Code and Visual Studio for application development.

4+ years of hands-on experience developing and maintaining RESTful APIs and enterprise web applications.

Strong experience with SQL Server, including:

Database design

Stored procedures

Query optimization

Performance tuning

Experience developing modern web applications using:

React

Angular

HTML5

CSS3

JavaScript/TypeScript

Experience building and maintaining CI/CD pipelines using tools such as:

Azure DevOps

GitHub Actions

Jenkins

Harness

Proficient in GitHub Copilot AI and other AI tools

Experience using Fortify or similar Static Application Security Testing (SAST) tools to identify and remediate security vulnerabilities.

Experience with Git, GitHub, and modern source control workflows.

Understanding of secure software development practices (DevSecOps).

Experience developing cloud-native applications following 12-Factor App principles.

Solid knowledge of:

Object-Oriented Programming (OOP)

Design Patterns

SOLID Principles

Algorithms and data structures

Strong debugging, troubleshooting, and performance optimization skills.

Experience working in Agile/Scrum environments.

Excellent verbal and written communication skills.

Preferred Skills, Experience, and Education

Familiarity with financial or banking systems.

Experience with cloud migration and tools such as Azure or APIGEE.

Proficiency in monitoring and logging tools, such as Splunk and Dynatrace.

Knowledge of microservices architecture and containerization (e.g., Docker, Kubernetes).

Functional Responsibilities

Collaborate with Business Analysts to clarify requirements from U.S.-based stakeholders, ensuring alignment with technical and business goals.

Design, develop, test, and maintain enterprise applications using .NET Core, C#, React, and Angular.

Build scalable, secure, and high-performing RESTful APIs.

Develop and optimize SQL Server databases, stored procedures, indexes, and queries.

Create responsive and modern user interfaces using React and Angular.

Utilize Visual Studio Code and Visual Studio to deliver high-quality software solutions.

Participate in architecture discussions and technical design reviews.

Develop cloud-native services adhering to 12-Factor App principles.

Design, build, and maintain RESTful APIs using JSON over HTTPS for high-volume transactional systems.

Optimize and tune database performance across relational (e.g., SQL Server) and non-relational (e.g., MongoDB, Cassandra) platforms.

Perform unit testing, cross-testing, and debugging to deliver high-quality, production-ready code.

Employ advanced CI/CD and DevSecOps practices, ensuring efficient and secure software delivery pipelines.

Analyze and resolve complex technical issues in a high-pressure environment.

Mentor junior developers and support team members in task completion and technical problem-solving.

Conduct research and share knowledge on emerging technologies and best practices.

Other duties as assigned.

Education or Certifications

Bachelor’s Degree in Computer Science, Information Systems, or other related field.

Eligibility Requirements

Must be willing to submit to a background investigation and drug test as part of the selection process.

Job Type

Full time

Schedule

Monday to Friday

Work Location

Alpharetta, GA

Omaha, NE

Frisco, TX

Benefits

Health insurance

Health savings account

Dental insurance

Vision insurance

401(k) matching

Life insurance

Paid time off

Parental leave