Principal Full Stack Engineer

Job Title: Principal Full Stack Engineer Key Skills: .NET, C#, Angular, AWS, SQL Server, PostgreSQL, Domain-Driven Design (DDD), CQRS, Event-Driven Architecture, REST APIs Experience: 10+ years of experience. Location: Costa Rica, Perú, Colombia, Bolivia. Mode: Remote. We at Coforge are hiring Principal Full Stack Engineer (#22427) with the following skill set. Key Responsibilities · Design, develop, and deliver secure, scalable SaaS applications using .NET, Angular, AWS, and modern architectural patterns, owning the full software development lifecycle. · Build high-performance backend services, modern Angular applications, REST APIs, and scalable data solutions while implementing automated testing, CI/CD, and DevOps best practices. · Collaborate with Architects and cross-functional teams to define technical solutions, validate architectures through proof of concepts, and optimize system performance, reliability, and scalability. · Provide technical leadership through architecture reviews, mentoring, code reviews, and the adoption of AI-assisted development tools to accelerate software delivery and engineering excellence. Required Skills & Qualifications · 10+ years of professional experience in Full Stack Software Engineering. · Proven experience as a Principal Engineer, Lead Engineer, or equivalent technical leadership role. · Expert proficiency in C#, .NET, Entity Framework, Angular, SQL Server, and PostgreSQL. · Strong experience designing distributed systems using Domain-Driven Design (DDD), CQRS, Event-Driven Architecture, and REST APIs. · Experience building secure, scalable, multi-tenant SaaS applications on AWS. · Strong knowledge of SQL optimization, data modeling, Redis, and OpenSearch/Elasticsearch. · Experience with automated testing, CI/CD pipelines, Git, Agile methodologies, and modern DevOps practices. · Hands-on experience with observability, monitoring, and code quality tools such as SonarQube and Mend. · Experience using AI-powered development tools such as GitHub Copilot, Cursor, Claude Code, or similar. · Bachelor's degree in Computer Science, Engineering, or equivalent professional experience. Preferred Skills: · Experience with Backend-for-Frontend (BFF) architecture and API Gateway patterns. · Expertise in Angular Signals, RxJS, Reactive Forms, and standalone components. · Experience with responsive design, accessibility standards, and reusable component architectures. · Strong troubleshooting and production support experience for enterprise SaaS platforms. · Passion for mentoring engineers and driving engineering best practices. Posted On: 24-07-2026 At Coforge, we hire professionals based solely on their skills and qualifications and do not discriminate based on age, disability, religion, gender, sexual orientation, socioeconomic status, or nationality.