Senior Software Engineer

Location: Arlington, VA, US

AvalonBay Communities, Inc., an equity REIT, has a long-term track record of developing, redeveloping, acquiring and managing distinctive apartment homes in some of the best U.S. markets, and delivering outsized, risk-adjusted returns to shareholders. With equal parts experience and vision, we’ve established a leadership position rooted in our purpose of creating a better way to live and that is always focused on building value for the long term.

Creating a better way to live is the purpose that binds AvalonBay associates. We take that purpose seriously and expect you will as well. By focusing on collaboration, innovation, and taking ownership of our choices and actions, we act in ways that focus on creating value for our customers, investors and associates. Your positive, professional, and consistent personal interactions make AvalonBay a great place to work.

The Role

What You’ll Do

• Collaborate across Agile teams to design, build, test, deploy, and support cloud-native, serverless applications

• Deliver full-stack solutions across TypeScript-based backend services and modern web applications, partnering with tech leads, senior engineers, and product managers

• Build and maintain AWS Lambda and API Gateway services, infrastructure as code with AWS CDK, and secure integrations using AWS Secrets Manager and configuration services

• Develop and evolve frontend experiences using Next.js and React, with shared component and package patterns in a workspace-driven architecture

• Design and implement reliable data access patterns with PostgreSQL, typed SQL tooling, and safe schema evolution/migration workflows

• Contribute to event-driven and asynchronous workflows (for example orchestration and domain events) to improve scalability and resilience

• Own engineering quality through automated tests, CI/CD pipelines, type safety, linting/formatting standards, and production observability

• Mentor engineers, contribute to architecture discussions, and stay current on evolving cloud-native and TypeScript ecosystem practices

Basic Qualifications

• Bachelor’s Degree

• At least 6 years of software engineering experience

• 5+ years of experience building backend services with Node.js and TypeScript/JavaScript

• 3+ years of hands-on experience with AWS cloud services in production, including serverless patterns

• 2+ years of experience with SQL and relational data modeling (PostgreSQL preferred)

• 2+ years of experience working in Agile delivery environments

Preferred Qualifications

• 3+ years of experience with React in production web applications

• 2+ years of experience with Next.js and modern frontend architecture patterns

• Experience building and operating AWS Lambda/API Gateway systems and infrastructure as code with AWS CDK

• Experience with event-driven architecture and asynchronous processing patterns (for example EventBridge, SQS, or workflow orchestration)

• Experience with modern testing practices (unit, integration, and end-to-end) and GitHub Actions-based CI/CD

• Experience with API contract/code-generation and strong type-safety tooling

• Experience supporting modernization or migration programs from legacy platforms to serverless TypeScript stacks

How AvalonBay Supports You

Additional Info

AvalonBay is proud to be an equal opportunity employer and is committed to an inclusive and diverse work environment free of discrimination and harassment.  We believe that in order to achieve our purpose of creating a better way to live, we must recruit, develop and retain associates with a wide range of backgrounds, experiences and perspectives and create an environment that encourages all voices to be heard, understood and appreciated. With this we know we can do great things.

AvalonBay makes employment decisions without regard to a person’s race, ethnicity, color, religion, sex, national origin, sexual orientation, gender identity, pregnancy (including childbirth, lactation or related medical conditions), age, physical or mental disability, genetic information (including characteristics or testing), citizenship status, military or veteran status, or any other status protected by the law.

For California residents, if you elect to apply to AvalonBay you accept the AvalonBay California Personnel Privacy Notice (https://www.avaloncommunities.com/california-personnel-privacy-notice/)