(Senior/Middle) .NET Developer (Azure, Microsoft Copilot Studio)

Summary 

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.

Position Overview

We are seeking an experienced Software Developer with expertise in Microsoft Copilot Studio, C#/.NET, and Microsoft Azure to join our growing development team. This role focuses on designing, developing, and integrating AI-powered agents and business automation solutions using Microsoft Copilot Studio, while leveraging established enterprise application development technologies.

The ideal candidate has a strong background in C#/.NET development, experience building and integrating enterprise applications and APIs, and familiarity with AI-powered solutions, cloud services, and application monitoring. Experience with Splunk for logging, monitoring, and troubleshooting is highly desirable. This is a hands-on engineering role suited for a developer who can combine traditional software engineering expertise with emerging AI technologies to deliver secure, scalable, and maintainable enterprise solutions.

Required Skills and Qualifications

• 4+ years of professional software development experience using C# and the .NET Framework and/or .NET Core/.NET 6+.
• Hands-on experience with Microsoft Copilot Studio, including building, configuring, testing, or deploying AI agents.
• Experience integrating Copilot Studio agents with enterprise applications, APIs, data sources, or business workflows.
• Understanding of conversational AI, large language models (LLMs), and the design of AI-powered business solutions.
• Strong proficiency in Microsoft Visual Studio and/or Visual Studio Code.
• Experience developing and maintaining RESTful APIs and enterprise applications.
• Proficiency in C#, object-oriented programming, design patterns, and SOLID principles.
• Working knowledge of Microsoft Azure services and cloud application development.
• Experience with application logging, monitoring, and troubleshooting using Splunk.
• Experience with SQL Server, including database design, stored procedures, query development, and performance optimization.
• Understanding of secure software development practices, API security, authentication, and authorization.
• Strong debugging, problem-solving, and performance optimization skills.
• Excellent English verbal and written communication skills, with the ability to collaborate with technical teams and business stakeholders.

Preferred Skills, Experience, and Education

• Experience with Microsoft Power Platform, including Power Automate and Power Apps.
• Familiarity with Microsoft Dataverse and enterprise data integration.
• Experience integrating AI agents with Microsoft 365, Microsoft Teams, SharePoint, or other enterprise systems.
• Familiarity with Azure AI services, Azure OpenAI, or other LLM-based application integrations.
• Experience with Azure DevOps, CI/CD pipelines, and automated testing.
• Knowledge of API management solutions, such as Azure API Management or Apigee.
• Experience with application performance monitoring, observability, and production support using Splunk and/or Dynatrace.
• Familiarity with microservices architecture, cloud-native development, and containerization technologies such as Docker and Kubernetes.
• Experience in fintech, banking, payments, compliance, or other regulated industries.
• Experience with GitHub Copilot or other AI-assisted software development tools.

Functional Responsibilities

• Design, develop, configure, test, and maintain AI agents using Microsoft Copilot Studio to support business processes and enterprise productivity.
• Build and maintain applications and backend services using C# and the .NET Framework/.NET Core.
• Integrate Copilot Studio agents with RESTful APIs, enterprise applications, databases, and approved business data sources.
• Develop conversational experiences and agent workflows that address business requirements and improve operational efficiency.
• Implement workflow automation and business process integrations using Microsoft Power Platform and Power Automate, where appropriate.
• Collaborate with Business Analysts and U.S.-based stakeholders to gather requirements, clarify business needs, and translate them into technical solutions.
• Design and implement secure, scalable, and maintainable APIs and application components.
• Develop, optimize, and maintain SQL Server databases, stored procedures, queries, and related data integrations.
• Leverage Microsoft Azure services to build, deploy, integrate, and support cloud-based applications and AI solutions.
• Implement application logging, monitoring, and troubleshooting using Splunk to support system reliability, performance, and production operations.
• Apply secure development practices to AI agents and application integrations, including access controls, data protection, and appropriate handling of sensitive information.
• Test and troubleshoot AI agent behavior, API integrations, application functionality, and end-to-end workflows.
• Participate in technical design reviews, architecture discussions, code reviews, and solution planning.
• Support CI/CD processes and automated testing to improve software quality and deployment efficiency.
• Investigate and resolve complex application, integration, performance, and production issues.
• Document technical designs, integration patterns, agent configurations, and operational procedures.
• Collaborate with cross-functional and geographically distributed teams to deliver high-quality software solutions.
• Other duties as assigned.

Education or Certifications

• Bachelor's degree in Computer Science, Information Systems, Software Engineering, or a related field.
• Microsoft certifications in Azure, Power Platform, or AI technologies are a plus.

Job Type

• Full-Time

Schedule

• Monday to Friday

Work Location 

• HCMC: The Six8 Building: 24-26 Phan Dinh Giot, Tan Son Hoa ward.
• Danang: VDB Tower: 74 Quang Trung, Hai Chau District

Benefits

• Competitive Salary Package  - Enjoy a rewarding income from day one.
• Security from the Start  - Full salary during probation plus complete social insurance coverage.
• Premium Health Insurance  - Comprehensive protection for you and your loved one (spouse/children).
• Family-Friendly Benefits  - Monthly childcare support to make parenting easier.
• Generous Leave Policies  - 15 days annual leave, 6 weeks paternity leave, and 10 days bereavement leave.
• Active Lifestyle  - Join our vibrant clubs: Football, Billiards, Badminton, and E-sports...

This job description is not intended to be all-inclusive. An employee may also perform other reasonable related business duties as assigned by their immediate supervisor or management. Principals only.

Recruiters please don't contact this job poster. DO NOT contact us with unsolicited services or offers.