Principal Full-Stack Engineer (.NET/Angular) (AI-First Development) – Software

Remote from: LATAM
Annual salary: Undisclosed
Salary information is not provided for this position. Check our Salary Directory to estimate the average compensation for similar roles.
Department: Software Engineering
Employment type: Full Time,
Job posted: 12 Jul 2026
Apply before: 12 Aug 2026
Experience level: Senior
Views / Applies: 37 / 4

About company

About Truelogic

Accelerate Your Digital Transformation

Computer Software
2011

Actively Hiring

AI Summary

Truelogic is seeking a Principal Full-Stack Engineer with expertise in .NET, Angular, and AI-assisted development to build a next-generation SaaS application from the ground up. This role involves end-to-end feature delivery, from domain modeling to production support, while leveraging modern architectural patterns like DDD, CQRS, and event-driven design. The ideal candidate is a hands-on technical leader who mentors engineers and uses AI coding tools to accelerate development. The position is 100% remote with a focus on serving US-based clients through a nearshore model. The salary is not specified but is estimated based on US market rates for a principal-level role.

Role DNA

Job Complexity

Easy Hard

Pace & Pressure

Relaxed Fast-paced

Autonomy Level

Guided Full Ownership

Communication Load

Independent Highly Collaborative

AI Insight This role demands over a decade of experience, expert proficiency in multiple technologies, and deep knowledge of advanced architectural patterns, making it extremely challenging.

Salary Analysis

AI Insight The offered salary is not specified, but for a Principal Full-Stack Engineer in the US market, the median is around $180,000. Given the high experience level and technical requirements, this role likely offers competitive compensation aligned with market standards.

Core Skills Required

.NET Angular C# TypeScript AWS SQL Server PostgreSQL DDD CQRS AI-Assisted Development

Cover Letter Sample

Dear Hiring Manager,

I am excited to apply for the Principal Full-Stack Engineer position at Truelogic. With over 12 years of experience building scalable SaaS applications using .NET, Angular, and AWS, I have a strong foundation in modern architectural patterns like DDD, CQRS, and event-driven design. I have led teams through complex projects, mentoring engineers and establishing best practices for code quality and performance.

I am particularly drawn to the opportunity to leverage AI-assisted development tools to accelerate delivery without sacrificing quality. In my current role, I have utilized GitHub Copilot and GPT-based workflows to streamline code generation and reduce development cycles. I am confident that my technical leadership and hands-on experience align perfectly with your needs.

Thank you for considering my application. I look forward to discussing how I can contribute to building Truelogic's next-generation platform.

Sincerely,

[Your Name]

Sample Interview Questions

Describe your experience with Domain-Driven Design and how you have applied it in a real-world project.

I led the migration of a monolith to microservices using DDD. We identified bounded contexts, defined aggregates, and used event sourcing to maintain consistency. This improved scalability and team autonomy.

How have you used AI coding assistants like GitHub Copilot in your development workflow?

I use Copilot for code generation, test writing, and refactoring. For example, I created a custom prompt to generate API endpoints and unit tests, reducing boilerplate time by 30% while maintaining code quality.

Explain how you would design a multi-tenant SaaS application on AWS.

I would use a silo approach with isolated databases per tenant, or use a hybrid with shared schema and row-level security. I'd leverage AWS RDS, Lambda, and API Gateway for scalability, with Cognito for authentication.

What strategies do you use for optimizing SQL query performance in high-volume systems?

I analyze execution plans, create appropriate indexes, and use query profiling. I also implement caching with Redis and avoid N+1 queries by using eager loading in Entity Framework.

How do you mentor junior engineers while maintaining your own coding responsibilities?

I conduct weekly code reviews, pair programming sessions, and lunch-and-learns. I also create documentation and automated linting rules to enforce best practices, allowing me to stay hands-on while scaling my impact.

About Truelogic

At Truelogic we are a leading provider of nearshore staff augmentation services headquartered in New York. For over two decades, we’ve been delivering top-tier technology solutions to companies of all sizes, from innovative startups to industry leaders, helping them achieve their digital transformation goals.

Our team of 600+ highly skilled tech professionals, based in Latin America, drives digital disruption by partnering with U.S. companies on their most impactful projects. Whether collaborating with Fortune 500 giants or scaling startups, we deliver results that make a difference.

By applying for this position, you’re taking the first step in joining a dynamic team that values your expertise and aspirations. We aim to align your skills with opportunities that foster exceptional career growth and success while contributing to transformative projects that shape the future.

Our Client

A leading provider of cloud-based solutions that empower public institutions to modernize and streamline their operations. With over two decades of experience, this organization builds technology that enhances efficiency, fosters transparency, and improves how people serve their communities.

Job Summary

We’re looking for a hands-on Principal Full Stack Engineer to help build our next-generation SaaS application from the ground up. You’ll work closely with Architects, Product Managers, UX Designers, and fellow engineers to define technical solutions, establish engineering best practices, and deliver secure, scalable, high-performance software.

This role is ideal for a technical leader who enjoys writing code, solving complex problems, mentoring engineers and leveraging AI-assisted development to accelerate delivery with full shift-left and no QA.

Responsibilities

Design, develop, and deliver scalable SaaS applications using .NET, Angular, SQL Server/PostgreSQL, and AWS.
Own end-to-end delivery of features—from domain modeling and backend services through frontend development, automated testing, deployment, and production support.
Generate production-ready code using AI Assisted development tools from Replit designs with internal design standards, reusable components, accessibility guidelines, responsive design principles, and frontend best practices.
Collaborate with Architects to define application architecture and validate technical approaches by building proof-of-concepts (PoCs) where appropriate.
Design solutions using modern architectural patterns including Domain-Driven Design (DDD), CQRS, Event-Driven Architecture, Backend-for-Frontend (BFF), and API Gateway.
Build modern Angular applications using standalone components, Signals, RxJS, Reactive Forms, and reusable component architecture.
Design efficient data models, optimize SQL performance, and implement scalable integration and messaging patterns.
Mentor engineers through technical guidance, architecture discussions, code reviews, and knowledge sharing.
Leverage AI-powered development tools such as GitHub Copilot, Cursor, Claude Code, and agentic AI workflows to improve software quality and engineering productivity.

Qualifications and Job Requirements

10+ years of professional software engineering experience.
Experience as a Principal, Lead Engineer, or equivalent technical leadership role.
Expert proficiency in C#, .NET, Entity Framework, SQL Server/PostgreSQL, and Angular.
Strong experience with DDD, CQRS, REST APIs, event-driven architecture, and distributed systems.
Experience designing secure, scalable, multi-tenant SaaS applications.
Strong knowledge of SQL optimization, data modeling, and technologies such as Redis and OpenSearch/Elasticsearch.
Experience with automated testing, CI/CD, Git, Agile development, and modern DevOps practices.
Experience with observability and monitoring tools, along with static analysis tools such as SonarQube and Mend.
Experience using AI coding assistants such as GitHub Copilot, Cursor, Claude Code, or similar tools.

What We Offer

100% Remote Work: Enjoy the freedom to work from the location that helps you thrive. All it takes is a laptop and a reliable internet connection.
Highly Competitive USD Pay: Earn an excellent, market-leading compensation in USD, that goes beyond typical market offerings.
Paid Time Off: We value your well-being. Our paid time off policies ensure you have the chance to unwind and recharge when needed.
Work with Autonomy: Enjoy the freedom to manage your time as long as the work gets done. Focus on results, not the clock.
Work with Top American Companies: Grow your expertise working on innovative, high-impact projects with Industry-Leading U.S. Companies.

Why You’ll Like Working Here

A Culture That Values You: We prioritize well-being and work-life balance, offering engagement activities and fostering dynamic teams to ensure you thrive both personally and professionally.
Diverse, Global Network: Connect with over 600 professionals in 25+ countries, expand your network, and collaborate with a multicultural team from Latin America.
Team Up with Skilled Professionals: Join forces with senior talent. All of our team members are seasoned experts, ensuring you’re working with the best in your field.

Apply now!

Apply now >