Senior Software Engineer In Test Jobs in Phoenix, AZ

Lead with Purpose. Partner with Impact. 

Kestra is seeking an experienced Senior Software Engineer to join our dynamic Advisor Platform Engineering team. In this pivotal P3-level role, you will lead complex software initiatives, mentor teammates, and deliver high-quality front-end and back-end capabilities for our cutting-edge financial advisor platform – software that supports financial advisors and the Home Office staff who serve them.

What you’ll Do:

• Lead the design, development, testing, and deployment of professional-quality front-end and back-end capabilities that meet accessibility, performance, reliability, and security goals.
• Translate product requirements, UI/UX designs, and architecture guidance into maintainable, scalable software; proactively identify risks, tradeoffs, and long-term implications.
• Drive technical designs for significant changes, authoring clear design documentation and leading design reviews to align stakeholders prior to implementation.
• Deliver resilient integrations across systems, including third-party APIs, ensuring clear contracts, versioning strategies, and appropriate error handling and observability.
• Write clean, well-documented, testable code that adheres to development standards and contributes to shared component libraries and the design system.
• Participate in and elevate peer reviews focused on correctness, resiliency, maintainability, performance, and secure coding; model strong engineering craftsmanship.
• Author comprehensive unit, integration, and end-to-end tests and strengthen CI/CD practices to ensure reliable, fast delivery; champion best practices for automated testing and deployment.
• Instrument applications for proactive monitoring, logging, and troubleshooting; lead debugging, incident response support, and root-cause analysis to improve system health.
• Identify and address technical debt and performance bottlenecks; propose and implement improvements to architecture, processes, tooling, and documentation.
• Collaborate closely with product managers, designers, architects, QA, DevOps, and peers; provide status updates, estimates, and demos in Agile ceremonies and help coordinate cross-team dependencies.
• Mentor junior and mid-level engineers and contribute to knowledge sharing through pairing, coaching, and technical guidance; help others grow their problem-solving and delivery skills.
• Stay current with emerging technologies and industry trends and share insights that improve engineering outcomes and customer experience.
• Take ownership of deliverables from conception through production rollout while aligning work with team objectives and broader strategic priorities.
• Uphold core values (Make it Happen, One Team, Serve) in daily interactions and delivery commitments.

What You Bring: 

• Typically 7-15 years of professional software engineering experience delivering production systems, with a demonstrated track record of independently driving complex work from design through release.
• Bachelor’s degree in Computer Science, Software Engineering, a related technical field, or equivalent practical or work experience.
• Strong experience in full-stack development (front-end and back-end) with the ability to lead delivery across layers and collaborate effectively with specialized peers.
• Hands-on experience with a modern web and services stack, including front end technologies such as React and ASP.NET, and back end technologies such as C#, TypeScript, Node.js, .NET Framework 4.x, and .NET 8+.
• Experience designing and operating data-centric systems using relational and NoSQL data stores such as MS SQL Server (including SQL Server 2017), Azure SQL, Azure Cosmos DB, and Azure Storage Accounts.
• Experience building and supporting integration patterns and platform communication layers using Azure API Management and asynchronous messaging (e.g., Azure Service Bus).
• Experience deploying and operating applications on Azure infrastructure and PaaS services such as Azure App Service, Azure Function App, and Azure Virtual Machines.
• Experience with third-party API integrations and designing maintainable integration patterns.
• Experience working in an Agile or Scrum development environment and in cross-functional teams.
• Demonstrated ability to mentor teammates, influence best practices, and raise the bar through collaboration and code reviews.
• Strong communication skills, including the ability to explain complex technical concepts to varied audiences and align stakeholders on technical decisions.
• Experience working in financial services or another highly regulated industry (desired).
• Experience modernizing legacy systems and incrementally improving architecture, quality, reliability, and delivery practices (desired).