Contact

🪪 Samantha “Sami” Leisinger

📞 423.260.0086

✉️ [email protected]

📍 Westminster, CO

LinkedIn | sjleisinger

Target Roles

• Software Development Manager
• Solutions Architect
• Technical Lead

At a Glance

• 10+ years software engineering experience
• Managed teams up to 12 developers
• Led high-quality project delivery across multiple tracks
• Strong in e-commerce, integrations, internal tools, and platform work
• Open to remote-first, mission-driven, e-commerce, and non-profit environments
• Known for:
  • Shipping high-quality projects
  • Leading teams through organizational ambiguity
  • Building trust across disciplines
  • Staying close enough to the work to unblock delivery

Leadership Skills

• People management
• Developer coaching
• Hiring & onboarding
• Cross-functional delivery
• Technical planning
• Stakeholder alignment
• Quality & release readiness

Technical Skills

• React / React Native
• .NET / C#
• APIs / integrations
• CMS platforms
• CI/CD
• Testing automation
• SQL / data-driven apps

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Software Development Manager · Solutions Architect

Engineering leader with 10+ years of full-stack software experience across e-commerce, enterprise platforms, internal tools, integrations, and customer-facing digital products. I lead teams through complex delivery work by combining people-first management, hands-on technical credibility, cross-functional partnership, and clear execution through ambiguity.

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Key Achievements

• Led engineering delivery across enterprise programs for e-commerce, account and identity platforms, and communication initiatives.
• Drove high-quality execution from technical discovery and planning through QA, E2E validation, stabilization, and production readiness.
• Managed multiple project tracks while balancing resource allocation, budget constraints, timeline risk, and team capacity.
• Implemented automated build, release, and testing practices that reduced manual deployment and validation labor.
• Recognized for innovation, customer service, automation, and support improvements.

Professional Experience

Vail Resorts, Inc.

Sr. Full-stack Development Lead

January 2025 - Current

Impact: Technical leader for enterprise e-commerce, account identity, integration, and release-readiness initiatives across internal teams and external partners.

Key Contributions

• Commerce integrations: Led backend API integration for large-scale digital commerce initiatives, coordinating internal teams and external partners through QA, E2E validation, and production readiness.
• Event-driven communications: Modernized post-purchase communications with order history and email confirmation pipelines, tracking dependencies from handoff through production validation.
• Platform foundations: Advanced account and identity foundations across web and mobile, aligning roadmaps, scaffolding, shared patterns, and AI-assisted development workflows.
• Quality & release readiness: Improved integration testing, QA handoffs, performance visibility, and reliability findings from load and E2E testing.
• Technical execution: Broke down complex work, supported code reviews, debugged production-level issues, and guided launches through stabilization.
• Cross-team alignment: Resolved ambiguity around ownership, requirements, and system alignment to prevent late-stage delivery surprises.

Frontend Development Manager

August 2021 - January 2025

Impact: Managed and coached a team of 6 frontend developers while leading delivery across six concurrent product lifecycle projects.

Key Contributions

• People leadership: Managed, coached, hired, onboarded, and supported full-time and contract developers across multiple project teams.
• Delivery management: Managed six concurrent product lifecycle projects while balancing resource allocation, budget constraints, delivery risk, and team capacity.
• Technical planning: Led estimation and technical planning for high-priority frontend project tracks, partnering with Product Owners and Business Analysts to inform scope, timelines, and budgets.
• Team operations: Defined roles, responsibilities, and development processes that improved alignment across the engineering organization.
• Coaching & enablement: Coordinated coaching, mentoring, technical training, and feedback sessions across teams of peers and leadership.
• Frontend leadership: Served as frontend subject matter expert for cross-functional teams, helping resolve blockers, clarify technical direction, and keep delivery moving.

Sr. Frontend Development Lead

Impact: Led development teams across e-commerce, customer self-service, analytics, A/B testing, and internal tooling initiatives.

Key Contributions

• E-commerce delivery: Led development teams across platform projects and maintenance tracks using Sitecore CMS, C# .NET Framework MVC, WebAPI, jQuery, and React.
• Customer self-service: Delivered an SMS-based chatbot initiative that expanded customer support through multiple API integrations and third-party AI vendor collaboration.
• Application delivery: Led applications and programs including .NET Core WebAPI services, analytics tools, and Adobe Target A/B testing for the e-commerce platform.
• Platform modernization: Re-architected internal UX tooling from a single-tier system into a modern n-tier enterprise solution and streamlined style deployment workflows.
• Product partnership: Partnered with Product Owners and Business Analysts on technical assessments, project planning, contractor hiring, and onboarding.

Earlier Engineering Experience

Software Engineer II — Vertafore

August 2018 - March 2019

• Modernized legacy VB6 systems into C# .NET Framework applications and supported ETL workflows across SQL Server, MongoDB, RabbitMQ, Azure, and AWS.
• Built Web API and UI capabilities for database splitting, stored procedure execution, and CSV-to-SQL workflows.
• Improved delivery reliability with automated build/release pipelines, VSTS test plans, and junior engineer mentoring.

Software Engineer / Jr. Software Engineer / Intern — Tennessee Valley Authority

March 2014 - August 2018

• Built custom applications across C# .NET, WebAPI, SQL, Entity Framework, AngularJS, Azure, Selenium, and TFS.
• Reduced release effort by 2–4 hours per promotion through automated build and release pipelines.
• Created 40+ Selenium UI tests that reduced validation time from one week to less than one hour, earning a Winning at Work innovation award.