Staff Software Engineer enhancing IAA's microservices architecture through modernization and design initiatives. Collaborating with cross-functional teams to drive high-impact systems and mentor engineering talent.
Responsibilities
Lead application modernization initiatives, including migration from legacy .NET Framework to modern .NET (.NET Core / latest LTS).
Drive architectural design for scalable, modular services and APIs supporting high-volume operational workflows.
Partner with Product and Architecture to decompose monolithic applications into well-defined domains and services.
Define and implement modern data-access patterns using ORMs, repository patterns, and controlled schema migrations.
Improve system performance, resilience, and fault tolerance through sound design practices (timeouts, retries, idempotency, and graceful degradation).
Establish and enforce engineering standards for code quality, testing, and maintainability.
Embed observability into applications using structured logging, metrics, and distributed tracing (OpenTelemetry).
Design secure-by-default application patterns including authentication, authorization, secrets management, and secure coding practices.
Lead technical discovery and solution design for complex, cross-team initiatives.
Mentor senior and mid-level engineers through design reviews, code reviews, and hands-on technical guidance.
Support and coordinate “level 3” incidents including after hours as necessary.
Collaborate closely with Infrastructure, Security, Data, and Operations teams to ensure solutions meet operational and compliance requirements.
Requirements
8+ years of professional software engineering experience, with significant time spent modernizing large-scale applications.
Demonstrated experience operating at a Staff or Principal Engineer level, influencing architecture and technical direction.
Deep expertise in C#, .NET, .NET Core, and modern application development practices.
Strong experience designing RESTful APIs and service-oriented or domain-driven architectures.
Hands-on experience modernizing legacy systems and databases in production environments.
Strong understanding of relational databases and modern data-access strategies.
Experience with cloud platforms (Azure preferred) and cloud-native application patterns.
Excellent communication skills with the ability to clearly explain technical tradeoffs to engineering and business stakeholders.
Proven ability to lead through influence, mentor engineers, and raise overall engineering quality.
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