Miguel Feliciano
Engineering Manager | Full-Stack Technical Lead
React | TypeScript | C# | .NET
Senior Software Engineer with 10+ years of full-stack experience building and managing high-performance software teams. Proven track record as a technical lead, team builder, and delivery owner across healthcare SaaS, FinTech, and product companies. Experienced leading teams of 4-20 engineers across direct and distributed structures. Known for raising engineering standards, improving team velocity, and translating business goals into technical execution.
US Marine—expect precision, resilience, and execution.
Core Competencies
- Team Building & Mentorship
- Engineering Process & Standards
- Technical Roadmapping
- Agile/Scrum Delivery
- Stakeholder Communication
- Cross-functional Collaboration
- Hiring & Performance Management
- Distributed & Remote Team Leadership
Technical Skills
- React, Next.js
- JavaScript, TypeScript
- Node.js, Python
- C#, ASP.NET
- SQL Server, PostgreSQL, MongoDB
- CI/CD, GitHub
- Azure & AWS
- Cursor, Claude, Codex, CoPilot, CodeRabbit, SuperWhisper, OpenAI API, Vercel AI SDK
Experience
Founder | Head of Engineering
Feb 2026 – PresentVTRN Studio, LLC
- Founded and operate VTRN Studio, a software studio delivering SaaS products and AI automation infrastructure for SMBs — responsible for all technical direction, product decisions, and delivery.
- Architecting and shipping full-stack SaaS products using various tech stacks and languages like Next.js, React, TypeScript, and PostgreSQL; applying the same engineering standards and delivery rigor I've led teams to follow throughout my career.
- Applied RESTful APIs to SaaS products using Next.js API flow in TypeScript.
- Designed and built AI-driven automation workflows that reduce manual operational overhead for small business clients, leveraging modern LLM APIs and event-driven microservices.
- Established product development processes — from ideation to deployment — including CI/CD pipelines via GitHub Actions.
Engineering Lead
June 2025 – Jan 2026Trete, LLC (Stealth FinTech Startup)
- Established engineering standards across 7 services by introducing AI-assisted code review, shared design patterns, and quality gates — reducing PR cycle time and production regressions team-wide.
- Improved engineering velocity by designing reusable scaffolding and tooling that eliminated boilerplate and standardized how the team structured new projects.
- Strengthened production reliability by overhauling observability (logging, metrics, tracing) and integrating Slack-based deployment workflows to surface issues faster.
- Collaborated closely with the engineering leadership on technical planning and architecture decisions for a greenfield FinTech platform.
- Refactored existing 0-1 projects and architected new applications in React and Node.js for maintainability, quality, performance, and scalability.
- Refactored and generated new RESTful API route contracts in Node.js with TypeScript.
Lead Full-Stack Software Engineer
Feb 2020 – May 2025ClinIntell, Inc
- Functioned as de facto Engineering Lead for a 6-person agile team — responsible for technical direction, engineer development, and cross-functional delivery.
- Led full-stack modernization of a healthcare analytics platform used by 15+ health systems written in React, TypeScript, C# .NET, and SQL Server; owning technical direction, architecture decisions, and stakeholder alignment.
- Owned delivery pipeline modernization with GitHub Actions, improving release reliability and reducing deployment risk.
- Partnered directly with business stakeholders to translate product requirements into technical plans and communicate tradeoffs clearly.
- Designed and built C# RESTful APIs for features such as user management, clinical condition training, and reports.
Applications Developer II
Sep 2013 – Feb 2020Wolters Kluwer, Inc
- Collaborated with a team of 4 developers through sprint planning, feature delivery, and QA collaboration in a high-stakes enterprise environment serving global audit teams.
- Shipped new features and fixed production issues for TeamMate+, with a focus on UI components in Vue.js and ASP.NET C# MVC for the backend.
- Crafted C# SOAP/XML APIs along with RESTful APIs for Vue.js frontend requests.
- Collaborated cross-functionally with product, QA, and offshore engineering teams to deliver predictable, high-quality releases in an Agile/Scrum environment.
- Contributed to code review culture and documentation standards.
Senior .NET Developer
Jan 2012 – Aug 2013Global Marketing Resources, Inc
- Migrated legacy ASP applications to ASP.NET C# MVC and modern HTML/CSS standards, improving maintainability and setting the platform up for long-term growth.
- Built custom pure JavaScript libraries to be used across several products.
- Collaborated with leadership to craft coding challenges in JavaScript and C# for new engineers.
- Mentored junior developers and collaborated with various departments.
Senior Web Developer
Oct 2011 – Jan 2012Triad Retail Media
- Architected and implemented responsive, cross-device apps for Walmart brand using ASP.NET C# MVC.
- Managed Ektron CMS customizations and analytics integrations.
- Built custom internal developer tooling to increase coding productivity across multi-client projects.
- Collaborated across teams to enhance development standards.
Senior Programmer
Nov 2009 – Oct 2011Bayshore Solutions
- Collaborated with the leadership and marketing team to ensure projects were scoped, estimated, and delivered early and under-budget.
- Delivered custom .NET solutions for clients including Carnival Cruise Lines, Sykes, Burger21, and Bank United.
Founder
Mar 2009 – Aug 2010Fuel My Life, LLC
- Architected an ad-rebate system using ASP.NET C# MVC to compete with brands like E-Bates.
- Owned the database architecture, performance, and recovery processes in MSSQL Server.
President
Jan 2001 – May 2009Five3 Designs, Inc
- Founded a software agency and managed a team of 20+ offshore engineers.
- Delivered B2B software solutions and e-commerce platforms for clients, managing full project lifecycle from scoping to deployment.
Seasoned .NET Developer
Apr 2009 – Aug 2009Technology Solutions, Inc
- Architected a social telecom platform using ASP.NET MVC, NHibernate, and TDD.
- Collaborated with the President and CEO on new products to compete with GrandCentral which eventually became Google Voice.
.NET Technology Engineering Manager
Apr 2006 – Mar 2009Ceelox, Inc
- Managed a cross-border engineering team delivering a biometric communication platform with a full e-commerce stack.
- Owned technical direction and team coordination across time zones, ensuring delivery quality and team alignment.
Programmer I
Jul 2001 – Apr 2006All About Staffing, Inc
- Owned and upgraded an applicant tracking system written in Microsoft Access with new features and reporting.
- Architected the new applicant tracking and scheduling software in ASP.NET C#.
Sergeant
Oct 1994 – Oct 1998United States Marine Corps
- Led a 10-person artillery team as Section Chief.
- Responsible for readiness, training, and safe operation of $100K+ in equipment under high-pressure conditions.
Education & Certifications
- BS, Visual Communication – University of Phoenix
- Completed formal management training through Model-Netics — focused on decision-making frameworks, situational leadership, and team dynamics.
Recognition & Leadership
- Hosted, Tampa Bay Real Estate Investors Association - North Tampa
- Hosted, "The Debrief with Miguel Feliciano" Podcast
- Author, "Web Design Business Secrets" (Self-Published)
- 2x Marathon Finisher & Half Ironman (70.3)