Full Stack .NET Developer - Sr. Engineer

LPL Financial•Fort Mill, SC

About The Position

Where Ambition Meets Innovation Build a career that matches all your initiative with an impressive dose of innovation. From cutting-edge resources and a collaborative environment to the freedom to make an impact and more, you’ll find the ingredients you need at LPL Financial to shape your success while helping clients pursue their financial goals. Generate Interest Are you a seasoned full-stack engineer who loves building cloud‑native, modern applications that transform user experiences? At LPL Financial, you’ll play a key role in delivering innovative digital onboarding capabilities that support new advisors joining our firm. In this role, you’ll apply your deep technical expertise across .NET, Angular, AWS, and event‑driven microservices to build high‑impact solutions that directly influence business success. Join a team of passionate engineers and help shape the future of advisor onboarding at LPL. Job Overview The Senior Full Stack .NET Developer will design, build, and enhance cloud-native, API‑driven applications that power LPL’s advisor onboarding experience. In this role, you will serve as a technical subject matter expert and guide developers in the design, development, and evolution of modern digital platforms. You’ll work closely with product partners, architects, QA engineers, and release teams to deliver scalable, secure, and elegant solutions using modern AWS cloud services and industry best practices.

Requirements

6+ years of full‑stack development experience with strong proficiency in .NET Core and .NET Framework.
4+ years of experience building RESTful APIs, microservices, and Angular applications (TypeScript, components, modules, DI).
4+ years of hands‑on experience developing cloud-native solutions using AWS services (Lambda, Step Functions, DynamoDB, API Gateway, S3, CloudFront, Fargate/EKS).
Proficiency with CI/CD pipelines (GitHub or similar), DevOps practices, and infrastructure-as-code (Terraform).
Experience with relational and NoSQL databases such as SQL Server, PostgreSQL, DynamoDB, or DocumentDB.

Nice To Haves

Expertise in distributed systems design and scalable architecture.
Strong communication skills with the ability to influence and guide team members.
Commitment to clean code, testing, automation, and continuous improvement.
Experience with machine learning engineering (model integration, orchestration, lifecycle tooling).
Familiarity with AI‑powered developer tools (e.g., GitHub Copilot, Cursor).
Experience with Kafka and broader event streaming architectures.

Responsibilities

Serve as a technical subject matter expert for AWS development patterns, cloud architecture, and engineering best practices.
Develop and deliver new features and enhancements that directly impact advisor onboarding and the firm’s strategic growth.
Design and implement scalable services using Domain‑Driven Design, API‑first architecture, and event-driven microservices.
Build full‑stack solutions using .NET Core, Angular, REST APIs, and AWS-native components.
Collaborate with developers, architects, product owners, and QA teams to design technical solutions and document architecture in alignment with SDLC standards.
Participate in Agile ceremonies, demos, and cross‑functional discussions to communicate progress and share technical insights.
Build solutions aligned with enterprise engineering standards and actively participate in code reviews and architectural evaluations.
Provide advanced debugging, performance troubleshooting, and production support as needed.