The Role
Senior Software Engineer responsible for maintaining legacy .NET and SQL Server applications while building Go and React microservices on AWS. The role spans full-stack debugging, distributed-systems design, cloud migration, observability, deployment patterns, AI-assisted development, documentation, stakeholder communication, and mentoring. The engineer will work across multiple projects and help modernize the company’s property tax technology platform.
Summary Generated by Built In
We have an immediate opportunity for a Senior Software Engineer to join our technology team. In this role, you will work across both our legacy .NET/SQL Server platform and a new AWS-native, microservices platform, partnering with engineers, product, and company leadership to modernize how KE Andrews delivers large-scale property tax technology. This position, and KE Andrews as a company, is geared towards individuals with a long-term outlook that want to turn a role into a career, not just work a job.
Responsibilities:
- Support, extend, and improve existing production applications built on .NET, SQL Server, and React/Angular, running on on-prem Windows servers.
- Diagnose and resolve issues across the full stack, from database to UI, and make pragmatic calls about what to refactor now versus what to leave alone ahead of migration.
- Design and build new services on AWS using a microservices / distributed systems architecture.
- Develop backend services in Go and front-end applications in React.
- Contribute to decisions on service boundaries, data flow, observability, and deployment patterns as we shift away from on-prem infrastructure.
- Use AI coding tools (Claude Code, Codex, Cursor, or similar) as a core part of your workflow to increase throughput, reduce boilerplate, and speed up code review, while maintaining strong engineering judgment about what AI output to trust, test, or rewrite.
- Work across multiple projects and workstreams concurrently, prioritizing based on business impact.
- Partner with product, other engineers, and data teams where applicable to scope and deliver work.
- Write clear documentation and communicate trade-offs to both technical and non-technical stakeholders.
- Mentor other engineers, including on effective use of AI-assisted development practices.
Preferred Qualifications:
- 5+ years of professional software engineering experience with demonstrated seniority - technical ownership, mentorship, or leading workstreams.
- Heavy, demonstrable use of AI-assisted development tools, with the ability to speak concretely to what works, how you verify output, and how you recognize when a model is confidently wrong.
- Real production depth in a statically typed backend language - .NET/C# or Go preferred; strong Java, Kotlin, or comparable experience will also be considered.
- Strong SQL and comfort reasoning about data at volume.
- Production experience with a modern front-end framework - React or Angular.
- Real, substantive experience building on AWS, ideally with microservices or distributed systems.
- Strong debugging and systems thinking across the full stack, from a database query plan to a browser network tab.
- Ability to context-switch across multiple projects without losing quality or momentum.
- Nice to have (we will teach): whichever of .NET or Go you haven't worked in, on-prem Windows server environments, Databricks, Python, legacy-to-cloud migration experience, CI/CD, containerization (Docker/Kubernetes), infrastructure-as-code, or property tax domain knowledge.
Our Current Technology Landscape:
- Legacy Platform: .NET, SQL Server, React/Angular, on-prem Windows servers
- New Platform: Go, React, AWS (microservices / distributed systems)
- AI-Assisted Development: Claude Code, Codex, Cursor, and similar tools used daily across both platforms
- Emerging/Adjacent Tools: Databricks, Python, CI/CD, containerization (Docker/Kubernetes), infrastructure-as-code
Perks:
- Hybrid work schedule - three days on-site in our Rockwall, Texas office, two days remote
- Full health benefits
- 401(k) with 4% automatic contribution
Skills Required
- 5+ years of professional software engineering experience with demonstrated seniority, technical ownership, mentorship, or workstream leadership
- Demonstrated heavy use of AI-assisted development tools and ability to verify and assess AI-generated output
- Production experience with a statically typed backend language, preferably .NET/C# or Go
- Strong SQL experience and ability to reason about data at volume
- Production experience with React or Angular
- Production experience building on AWS, ideally using microservices or distributed systems
- Strong full-stack debugging and systems-thinking skills
- Ability to manage multiple projects without losing quality or momentum
- Experience with Java, Kotlin, or a comparable statically typed backend language may be considered
- Experience with .NET or Go, on-premises Windows servers, Databricks, Python, legacy-to-cloud migration, CI/CD, Docker, Kubernetes, infrastructure as code, or property tax technology
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The Company
What We Do
KE Andrews is a state and local tax consulting firm serving owners and operators across all 50 states. It provides property tax management and appeals, valuation and appraisals, site selection, severance tax, sales and use tax, and credits and incentives. Its clients span oil and gas, midstream, manufacturing, renewables, and commercial real estate; the firm focuses on strategic tax planning to minimize liabilities and optimize returns.
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