\documentclass[11pt,letterpaper]{article}
\usepackage[margin=1in]{geometry}
\usepackage{titlesec}
\usepackage{enumitem}
\usepackage[dvipsnames]{xcolor}
\usepackage{fontspec}
\usepackage{hyperref}

% Define colors
\definecolor{primaryColor}{RGB}{0, 43, 54}
\definecolor{secondaryColor}{RGB}{147, 161, 161}

% Set main font
\setmainfont{Carlito}

% Remove page numbering
\pagestyle{empty}

% Format section titles
\titleformat{\section}
{\large\bfseries\color{primaryColor}}
{}
{0em}
{\underline}
\titlespacing{\section}{0pt}{1.5ex}{0.5ex}

% Format subsection titles
\titleformat{\subsection}
{\normalsize\bfseries}
{}
{0em}
{}
\titlespacing{\subsection}{0pt}{1ex}{0.25ex}

% Set link colors
\hypersetup{
    colorlinks=true,
    linkcolor=secondaryColor,
    urlcolor=secondaryColor
}

\begin{document}

% Header
\begin{center}
    {\LARGE\bfseries\color{primaryColor} John Doe} \\ \vspace{0.2cm}
    {\large Software Engineer} \\ \vspace{0.2cm}
    \color{secondaryColor}
    john.doe@example.com | (555) 123-4567 | linkedin.com/in/johndoe | github.com/johndoe
\end{center}

\vspace{0.3cm}

% Summary section
\section{Professional Summary}
\color{black}
Experienced software engineer with 8+ years of expertise in developing scalable web applications and cloud infrastructure. Specialized in full-stack development with a focus on modern JavaScript frameworks and cloud technologies.

\section{Skills}
\begin{itemize}[leftmargin=0.5cm, itemsep=0pt]
    \item \textbf{Languages:} JavaScript, TypeScript, Python, Java, Go
    \item \textbf{Frontend:} React, Vue, Angular, HTML5, CSS3, SASS
    \item \textbf{Backend:} Node.js, Express, Django, Spring Boot
    \item \textbf{Databases:} PostgreSQL, MongoDB, Redis
    \item \textbf{Cloud:} AWS, Docker, Kubernetes, CI/CD
\end{itemize}

\section{Experience}
\subsection{Senior Software Engineer | TechCorp | 2020 - Present}
\begin{itemize}[leftmargin=0.5cm, itemsep=0pt]
    \item Led development of a microservices architecture serving 1M+ users
    \item Reduced application load time by 40\% through performance optimization
    \item Mentored 5 junior developers and conducted code reviews
\end{itemize}

\subsection{Software Engineer | StartupXYZ | 2018 - 2020}
\begin{itemize}[leftmargin=0.5cm, itemsep=0pt]
    \item Developed and maintained customer-facing web applications
    \item Implemented CI/CD pipeline reducing deployment time by 60\%
    \item Collaborated with design team to improve UI/UX
\end{itemize}

\subsection{Junior Developer | ABC Solutions | 2016 - 2018}
\begin{itemize}[leftmargin=0.5cm, itemsep=0pt]
    \item Built and maintained internal tools and dashboards
    \item Participated in agile development process
    \item Assisted in troubleshooting production issues
\end{itemize}

\section{Education}
\textbf{Bachelor of Science in Computer Science} \\
University of Technology | 2012 - 2016

\section{Certifications}
\begin{itemize}[leftmargin=0.5cm, itemsep=0pt]
    \item AWS Certified Solutions Architect
    \item Certified Kubernetes Administrator
\end{itemize}

\end{document}