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Senior Full-Stack Engineering

Crossfire Consulting

Senior Full Stack EngineerJoin a forward-thinking organization modernizing critical business systems that support complex, highly regulated operations. As a Senior Full Stack Engineer, you will transform legacy applications into reliable, maintainable, and well-tested solutions using .NET 8, Angular, SQL Server, Azure DevOps, and AI-assisted engineering workflows.Senior Full Stack Engineer ResponsibilitiesDesign and develop.NET 8 services and Angular applications while accurately preserving established business rules.Migrate schemas and data from Ingres to SQL Server, including reconciliation and validation to confirm data integrity.Analyze legacy source code and collaborate with subject matter experts to document and reconstruct system behavior.Apply LLM-assisted workflows to code analysis, development, testing, and technical documentation.Deliver production-ready software through Azure DevOps, automated testing, code reviews, and CI/CD pipelines.Create architecture documentation, ADRs, implementation plans, and production-support readiness materials.Partner with business stakeholders and technical teams to clarify requirements and reduce modernization risk.Senior Full Stack Engineer Qualifications8+ years of professional software engineering experience, including senior-level ownership from design through production support.Advanced C# and .NET expertise, including ASP.NET Core, EF Core, dependency injection, concurrency, resilience, observability, and automated testing.Strong Angular and TypeScript experience, preferably Angular 17+, including RxJS, signals, reactive forms, performance optimization, and change detection.Advanced SQL Server and T-SQL skills, including relational design, indexing, execution plans, locking, concurrency, and migrations as code.Daily experience with AI development tools such as GitHub Copilot, Claude Code, or comparable platforms.Ability to review AI-generated output critically and verify it through specifications, testing, and human review.Senior Full Stack Engineer Preferred QualificationsExperience with VB.NET, VB6, OpenROAD, PowerBuilder, Oracle Forms, Ingres, or similar legacy technologies.Familiarity with electric utilities, IT/OT environments, regulated operations, or operational business systems.The ideal Senior Full Stack Engineer is a hands-on technical leader who enjoys solving complex modernization challenges and balancing legacy analysis with modern architecture. This Senior Full Stack Engineer values clean code, careful verification, collaborative delivery, and measurable production readiness.We look forward to reviewing your application!

Vacancy posted 3 days ago
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