Lance Concepcion

Technical Lead and Senior Full Stack .NET Developer with 14+ years of experience delivering enterprise applications. Hands-on across C#, .NET, ASP.NET Core, APIs, databases, cloud, and modern web technologies, with experience leading teams, shaping technical solutions, managing delivery, and translating business needs into reliable, maintainable systems. PSM I certified.

Senior Full Stack.NET Developer | Technical Lead at Hotelplan (2023-08 – Present)

Cloud Employee

• Own technical direction for assigned applications and platforms, guiding solution design, architecture, and technology decisions.
• Lead sprint planning, estimation, delivery tracking, releases, and technical dependency management.
• Mentor developers through code reviews, 1:1s, pair programming, onboarding, and knowledge sharing.
• Collaborate with cross-functional teams to translate business requirements into scalable technical solutions.
• Drive engineering improvements across quality, automation, CI/CD, testing, security, performance, technical debt, and AI-assisted development.
• Design and develop enterprise applications, backend services, and REST APIs using C#,.NET, ASP.NET Core, and SQL Server.
• Build and maintain web applications using JavaScript, TypeScript, and modern frontend frameworks and libraries such as Vue.js and React.
• Design and implement integrations with internal and third-party systems, APIs, and enterprise platforms.
• Contribute to application architecture, database and API design, debugging, refactoring, performance optimization, and code reviews.

Senior Technical Engineer at KMC Savills, Inc. (2019-05 – 2023-04)

Manage all technology initiatives and projects for the organization. Organize and manage all phases of the project using different software development methodologies and utilize various tools to ensure project completion; and Build and maintain relationships with the project's stakeholders through the application of engagement and communication strategies.

Senior Application Support Engineer at Silver Bullion Pte. Ltd. / The Safe House (2016-02 – 2018-12)

Worked as a Senior Application Support Engineer, developing and maintaining the company website and web applications using.NET. Provided customer support to clients trading precious metals using both traditional currency and cryptocurrency, as well as IT support across the organization. Worked within a Holacracy-based organizational structure, collaborating with different teams to support business and technical needs.

Senior Web Developer at KMC MAG Group, Inc. (2012-06 – 2015-10)

Started as an intern and progressed to become a Senior Web Developer. Throughout my tenure, I maintained the company's marketing website, developed web applications for various departments, and eventually took on a leadership role overseeing the web development team.

Bachelor of Science in Information Technology – Adamson University (2008-06 – 2012-04)