Senior .NET & Angular Full-Stack Engineer

3Pillar; United States; On-site; USD 120,000 - 160,000; Full time

Job summary

3Pillar, a global AI transformation partner, is seeking a Fullstack Senior Software Engineer to advance complex enterprise projects using Angular and .NET Core. You will architect scalable frontend and backend solutions, collaborating with UX, product, and DevOps to deliver high-quality, secure software.

You will lead technical design discussions, mentor junior developers, and contribute to agile delivery through planning, estimates, and code reviews.

Qualifications

• Minimum 8+ years of hands-on experience designing and building enterprise-grade web applications using Angular and .NET Core.
• Strong expertise in modern Angular development, including reusable component design, reactive forms, RxJS, unit testing, state management using NgRx, and working within monorepo architecture.
• Experience collaborating closely with UX and product teams to translate design artifacts into scalable frontend solutions.
• Solid backend development experience using .NET Core / ASP.NET Core, including REST API design, authentication/authorization, secure coding practices, error handling, and performance optimization.
• Strong experience with relational databases such as SQL Server or MySQL, including query writing, schema understanding, performance tuning, and troubleshooting data-related issues.
• Hands-on experience with cloud platforms, preferably AWS, for building scalable and secure systems.
• Experience working with event-driven and distributed system patterns, including asynchronous processing, resiliency, observability, and debugging production issues.
• Hands-on experience with containerization technologies such as Docker and deploying applications through CI/CD pipelines.
• Strong proficiency with GitHub, including branching strategies, pull request reviews, release workflows, and maintaining coding standards across teams.
• Demonstrated ability to lead technical design discussions, evaluate Proof of Concepts, break down complex solutions, and recommend scalable and maintainable approaches.
• Experience designing and implementing high-performance, scalable, and extensible applications with strong focus on reliability, maintainability, and supportability.
• Strong collaboration skills with cross-functional teams including Product Management, QA, Design, and DevOps to deliver end-to-end features.
• Experience mentoring junior developers, conducting code reviews, and driving engineering best practices across the team.
• Ability to lead by example through writing clean, maintainable, testable code and contributing effectively in a fast-paced agile delivery environment.

Responsibilities

• Facilitate effective communication with client project stakeholders regarding project status and recommendations.
• Craft client code that is not just efficient, but also performant, testable, scalable, secure, and of the highest quality.
• Actively participate in accurate planning and estimation efforts, utilizing project methods and tools.
• Proficiently gather requirements and organize/present developed features for clients.
• Execute complex activities within the current methodology and quality standards, showcasing success across diverse engagements.
• Promote client success across the team by collaborating with engineers, designers, and managers to understand user pain points, anticipate potential problems, and iterate on solutions that drive client success.
• Engage in agile software development, including daily stand-ups, sprint planning, team retrospectives, and other governance activities.
• Actively participate in the Engineering Practice community, mentoring others through Communities of Practice (CoPs) or on project teams, and supporting the growth of technical capabilities.
• Independently drive project delivery within defined architecture, demonstrating autonomy and accountability in all stages from conceptualization to deployment.

Skills

Angular

RxJS

NgRx

Unit testing

Agile leadership

Tools

.NET Core

ASP.NET Core

SQL Server

MySQL

AWS

Docker

GitHub

Job description

3Pillar, a global AI transformation partner, is seeking a Fullstack Senior Software Engineer to advance complex enterprise projects using Angular and .NET Core. You will architect scalable frontend and backend solutions, collaborating with UX, product, and DevOps to deliver high-quality, secure software.

You will lead technical design discussions, mentor junior developers, and contribute to agile delivery through planning, estimates, and code reviews.