Senior Software Engineer

Job Overview:
We are seeking a Senior Software Engineer to join our Prospect and Client Management Team. You'll build event-sourced microservices using AWS cloud-native technologies to manage participant data for millions of investors. This role involves implementing CQRS patterns, event sourcing, real-time event streaming, and deploying containerized applications to AWS. The ideal candidate has a strong foundation in distributed systems and a passion for building scalable, resilient financial applications.
Responsibilities:
* Design, develop and test services using latest technologies hosted in AWS
* Build and deploy containerized applications to AWS EKS clusters with Helm charts, blue/green deployments, and auto-scaling
* Write infrastructure as code using Terraform with private modules for AWS services (EKS, Lambda, API Gateway, DynamoDB, ElastiCache, RDS)
* Implement domain logic with aggregate roots, domain events, and business rule validation
* Design RESTful APIs following XPS Process API patterns with versioning, backward compatibility, and feature toggles
* Collaborate with architects, QA engineers, and product owners through event storming and domain modeling sessions
* Conduct code reviews focusing on event design, idempotency, eventual consistency, and performance optimization
* Provide production support for high-throughput systems, troubleshoot distributed system issues using structured logging and tracing
* Mentor junior developers on event sourcing, CQRS, AWS architecture, and microservice design
* Lead technical design discussions with sequence diagrams and event flow documentation
What are we looking for?
We're looking for strong collaborators who deliver exceptional client experiences and thrive in fast-paced, team-oriented environments. Our ideal candidates pursue greatness, act with integrity, and are driven to help our clients succeed. We value those who embrace creativity, continuous improvement, and contribute to a culture where we win together and create and share joy in our work.
Requirements:
* 4+ years of hands-on experience with .NET development (C# 10+, .NET Core/.NET 6+) with modern C# features including record types, async/await, and nullable reference types
* 3+ years implementing CQRS and Event Sourcing patterns with event stores, aggregate roots, and domain events
* 3+ years of AWS experience with EKS/ECS, Lambda, DynamoDB, ElastiCache Redis, RDS Aurora, and API Gateway
* Strong understanding of distributed systems including eventual consistency, idempotency, saga patterns, and message ordering
* Experience with caching and event streaming, including consumer groups and multi-threaded processing
* Proficiency in Infrastructure as Code using Terraform with module composition and multi-environment deployments
* Experience with PostgreSQL and SQL Server including query optimization, indexing, and connection pooling
* Strong knowledge of RESTful API design with versioning, authentication (OAuth 2.0, JWT), and error handling
* Experience with unit testing (xUnit), integration testing, and TDD using FluentAssertions
* Excellent communication skills with ability to explain complex technical concepts to diverse audiences
* Experience with Git workflows, CI/CD pipelines (GitHub Actions), and DevOps practices
Core Competencies:
* Domain-Driven Design and event modeling with bounded contexts and aggregate design
* Microservice architecture patterns including API Gateway, service mesh, circuit breakers, and retry policies
* Message-driven architecture with pub/sub patterns, consumer groups, and event replay capabilities
* Strong analytical and problem-solving skills focused on system reliability and performance optimization
* Experience with observability tools including structured logging (Serilog), distributed tracing (AWS X-Ray), and CloudWatch metrics
* Understanding of security best practices including secrets management, IAM roles, and encryption
* Agile/Scrum methodologies with sprint planning, retrospectives, and continuous improvement
Preferences:
* Financial services domain experience with participant/client lifecycle management and compliance requirements (KYC/AML)
* Experience with AWS Glue for ETL workloads using PySpark for large-scale data processing
* Familiarity with legacy system integration and migration strategies from monolithic to microservice architectures
* Knowledge of event sourcing data modeling including snapshot strategies, event versioning, and schema evolution
* Experience with Avro schemas and Confluent Schema Registry for event schema management
* Experience with GitHub Copilot and AI-assisted development tools

 

Pay Range:

$106,125-$176,875/year
 Actual base salary varies based on factors, including but not limited to, relevant skill, prior experience, education, base salary of internal peers, demonstrated performance, and geographic location. Additionally, LPL Total Rewards package is highly competitive, designed to support your success at work, at home, and at play – such as 401K matching, health benefits, employee stock options, paid time off, volunteer time off, and more. Your recruiter will be happy to discuss all that LPL has to offer!
 

Company Overview:

LPL Financial Holdings Inc. (Nasdaq: LPLA) is among the fastest growing wealth management firms in the U.S. As a leader in the financial advisor-mediated marketplace. LPL supports over 29,000 financial advisors and the wealth-management practices of 1,100 financial institution, servicing and custodying approximately $1.9 trillion in brokerage and advisory assets on behalf of approximately 7 million Americans. The firm provides a wide range of advisor affiliation models, investment solutions, fintech tools and practice management services, ensuring that advisors and institutions have the flexibility to choose the business model, services, and technology resources they need to run thriving businesses.

At LPL, independence means that advisors and institution leaders have the freedom they deserve to choose the business model, services, and technology resources that allow them to run a thriving business. They have the flexibility to do business their way. And they have the freedom to manage their client relationships, because they know their clients best. Simply put, we take care of our advisors and institutions, so they can take care of their clients.

For further information about LPL, please visit www.lpl.com.

Join LPL Financial: Where Your Potential Meets Opportunity

At LPL Financial, we believe that everyone deserves objective financial guidance. As the nation’s leading independent broker-dealer, we offer an integrated platform of cutting-edge technology, brokerage, and investment advisor services.

Why LPL?

• Innovative Environment: We foster creativity and growth, providing a supportive and responsive leadership team. Learn more about our leadership team here!

• Limitless Career Potential: Your career at LPL has no limits, only amazing potential. Learn more about our careers here!

• Unified Mission: We are one team on one mission—taking care of our advisors so they can take care of their clients. Learn more about our mission and values here!

• Impactful Work: Our size is just right for you to make a real impact. Learn more here!

• Commitment to Equality: We support workplace equality and embrace diverse perspectives and backgrounds. Learn more here!

• Community Focus: We care for our communities and encourage our employees to do the same. Learn more here!

• Benefits and Total Rewards: Our Total Rewards package goes beyond just compensation and insurance. It includes a mix of traditional and unique benefits, perks, and resources designed to enhance your life both at work and at home. Learn more here!

Join the LPL team and help us make a difference by turning life’s aspirations into financial realities. Please log in or create an account to apply to this position. Principals only. EOE.

Information on Interviews:

LPL will only communicate with a job applicant directly from an @lplfinancial.com email address and will never conduct an interview online or in a chatroom forum.  During an interview, LPL will not request any form of payment from the applicant, or information regarding an applicant’s bank or credit card.  Should you have any questions regarding the application process, please contact LPL’s Human Resources Solutions Center at (855) 575-6947.

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