We are seeking a seasoned Senior AI Integration .NET Full-Stack Developer with Angular to architect, build, and deliver AI-powered applications that bridge intelligent services with modern user experiences.

In this role, you will lead the design and development of backend services, architect responsive front-end solutions, and drive the seamless integration of AI capabilities into business-critical systems. You will take a leading role in shaping agentic AI solutions — from API architecture to end-to-end testing strategies — while mentoring engineers and fostering a collaborative, quality-driven engineering culture.

Responsibilities

- Architect and develop robust backend services in .NET (C#) to expose AI/model capabilities via APIs (REST/gRPC) for consumption by front-end and downstream applications
- Lead the design and development of Angular UI components that surface AI-driven features such as chat interfaces, recommendation panels, and agent status/monitoring dashboards within existing or new applications
- Define and enforce secure, scalable, and maintainable integration patterns between AI services and core business applications
- Design and optimize stored procedures, complex queries, and ETL processes to support data pipelines feeding AI models
- Establish automated testing frameworks using Playwright for UI/end-to-end testing of AI-integrated application features
- Define and implement testing strategies specific to AI/agentic systems, including prompt regression testing, output validation, agent behavior testing, and edge-case/adversarial testing
- Lead code reviews, own CI/CD pipeline architecture and maintenance, and enforce release quality gates
- Mentor mid-level engineers, share best practices,



and contribute to technical decision-making across teams

Requirements

- 3+ years of professional experience in full-stack development, with proven expertise in AI integration
- Advanced proficiency in C# and .NET for backend service architecture and development
- Deep expertise in Angular for building modern, responsive, and scalable front-end components
- Strong skills in Gen AI-assisted development to accelerate coding and integration workflows
- Extensive background in Microsoft SQL Server, including advanced stored procedures, query tuning, and ETL process design
- Proven competency in Playwright and test automation architecture within the JS ecosystem
- Solid understanding and hands-on experience designing secure, scalable integration patterns between AI services and enterprise applications
- Demonstrated ability to lead technical initiatives, mentor engineers, and drive engineering excellence
- Proficiency in English at an Upper-Intermediate level (B2) or higher

Nice to have

- Hands-on experience with Amazon Web Services for cloud-based deployments
- Practical knowledge of containerization technologies (Docker, Kubernetes)
- Proficiency in Python for AI/ML-related scripting and tooling

We offer

- International projects with top brands
- Work with global teams of highly skilled, diverse peers
- Healthcare benefits
- Employee financial programs
- Paid time off and sick leave
- Upskilling, reskilling and certification courses
- Unlimited access to the LinkedIn Learning library and 22,000+ courses
- Integral career opportunities
- Volunteer and community involvement opportunities
- EPAM Employee Groups
- Award-winning culture recognized by Glassdoor, Newsweek and LinkedIn

📌 Senior AI Integration .NET Full-Stack Developer with Angular (Argentina)
🏢 EPAM Systems
📍 Argentina