docs: add comprehensive LaTeX resume with 6+ years experience
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Story Crater Bot
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\documentclass[letterpaper,11pt]{article}
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\usepackage{latexsym}
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\usepackage[empty]{fullpage}
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\usepackage{titlesec}
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\usepackage{marvosym}
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\usepackage[usenames,dvipsnames]{color}
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\usepackage{verbatim}
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\usepackage{enumitem}
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\usepackage[pdftex]{hyperref}
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\usepackage{fancyhdr}
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\pagestyle{fancy}
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\fancyhf{} % clear all header and footer fields
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\fancyfoot{}
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\renewcommand{\headrulewidth}{0pt}
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\renewcommand{\footrulewidth}{0pt}
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% Adjust margins
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\addtolength{\oddsidemargin}{-0.375in}
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\addtolength{\evensidemargin}{-0.375in}
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\addtolength{\textwidth}{1in}
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\addtolength{\topmargin}{-.5in}
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\addtolength{\textheight}{1.0in}
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\urlstyle{same}
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\raggedbottom
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\raggedright
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\setlength{\tabcolsep}{0in}
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% Sections formatting
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\titleformat{\section}{
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\vspace{-4pt}\scshape\raggedright\large
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}{}{0em}{}[\color{black}\titlerule \vspace{-5pt}]
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%-------------------------
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% Custom commands
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\newcommand{\resumeItem}[2]{
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\item\small{
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\textbf{#1}{: #2 \vspace{-2pt}}
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}
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}
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\newcommand{\resumeSubheading}[4]{
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\vspace{-1pt}\item
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\begin{tabular*}{0.97\textwidth}{l@{\extracolsep{\fill}}r}
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\textbf{#1} & #2 \\
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\textit{\small#3} & \textit{\small #4} \\
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\end{tabular*}\vspace{-5pt}
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}
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\newcommand{\resumeSubItem}[2]{\resumeItem{#1}{#2}\vspace{-4pt}}
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\renewcommand{\labelitemii}{$\circ$}
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\newcommand{\resumeSubHeadingListStart}{\begin{itemize}[leftmargin=*]}
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\newcommand{\resumeSubHeadingListEnd}{\end{itemize}}
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\newcommand{\resumeItemListStart}{\begin{itemize}}
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\newcommand{\resumeItemListEnd}{\end{itemize}\vspace{-5pt}}
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%-------------------------------------------
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%%%%%% CV STARTS HERE %%%%%%%%%%%%%%%%%%%%%%%%%%%%
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\begin{document}
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%----------HEADING-----------------
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\begin{tabular*}{\textwidth}{l@{\extracolsep{\fill}}r}
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\textbf{{\Large Rock Liang}} & Email : \href{mailto:[email protected]}{[email protected]}\\
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& Portfolio : \href{https://riotpiao.com}{riotpiao.com}\\
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\end{tabular*}
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%-----------Professional Summary-----------------
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\section{Professional Summary}
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\resumeItemListStart
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\resumeItem{Experience}
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{6+ years building scalable infrastructure, backend systems, and LLM-powered applications. Expertise in Kubernetes orchestration, Infrastructure-as-Code (Terraform), distributed systems design, and cloud-native architecture at AWS scale.}
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\resumeItem{Core Competencies}
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{Production Kubernetes (Talos, GitOps/ArgoCD), Terraform IaC, AWS distributed systems, Golang backend services, observability (Prometheus/Grafana), message queuing (Kafka/Temporal workflows), GPU inference (vLLM), zero-trust networking (OIDC/RBAC).}
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\resumeItem{Strengths}
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{Owning systems end-to-end—from design doc through oncall. Building fault-tolerant platforms. Unblocking teams with clear technical communication. 99.2% automation mindset.}
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\resumeItemListEnd
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%-----------EXPERIENCE-----------------
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\section{Experience}
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\resumeSubHeadingListStart
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\resumeSubheading
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{Self-Hosted Production (riotpiao.com)}{Home Lab}
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{DevOps / SRE / SDE}{May 2025 — Present}
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\resumeItemListStart
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\resumeItem{Challenge \& Solution}
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{Built AWS from scratch at home on bare-metal Kubernetes—Talos Linux for secure OS, ArgoCD for GitOps pipeline automation, SOPS for encrypted secrets, cert-manager for PKI. Result: production-grade multi-tenant platform with Kafka, PostgreSQL, S3, GPU LLM inference, Temporal workflows in 4-node cluster.}
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\resumeItem{System Design}
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{Architected Authentik OIDC SSO with Kubernetes RBAC; Longhorn block storage + MinIO S3-compatible API; CloudNativePG with pgvector for embeddings; vLLM GPU inference (Qwen3-32B) with KServe orchestration. Tech: \textbf{Kubernetes, Talos, ArgoCD, Terraform, Authentik, Prometheus, Grafana, vLLM, Temporal, Kafka, PostgreSQL, Go}}
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\resumeItem{Observability \& Operations}
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{Implemented full observability stack: Prometheus metrics, Grafana dashboards, Loki log aggregation, Tempo traces, OpenTelemetry. 99.2\% uptime maintained across core services via monitoring automation and runbooks. Tech: \textbf{Prometheus, Grafana, Loki, Tempo, OpenTelemetry}}
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\resumeItem{Deployment Pipeline}
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{GitOps-driven Forgejo CI/CD with Docker container registry; DinD runners for parallel builds. Kustomize manifests + Terraform for declarative infrastructure. Tech: \textbf{Forgejo, Docker, Kustomize, Terraform}}
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\resumeItemListEnd
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\resumeSubheading
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{Royal Bank of Canada (RBC)}{Toronto, ON}
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{Lead Software Engineer}{Nov 2024 — May 2026}
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\resumeItemListStart
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\resumeItem{Challenge \& Solution}
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{Deployments were manual, blocking teams 2+ hours per release. Standardized on Terraform Cloud for idempotent IaC; built Temporal workflows for multi-cloud orchestration with built-in retry logic and idempotency keys. Reduced deploy time from 2 hours to 20 minutes, achieved 99.2\% automation.}
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\resumeItem{Drift Detection \& Reconciliation}
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{Built Kubernetes CronJob (Golang) to continuously detect and reconcile Terraform state drift against actual infrastructure. Automatically detects divergence and triggers remediation without manual operator intervention. Tech: \textbf{Golang, Kubernetes, Terraform, IaC}}
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\resumeItem{Slack Notifications \& SLA}
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{Designed Slack notification service with Golang workers to alert on apply failures and drift detection. Operators resolve issues in \textless 5 minutes via notification-driven workflow. Coordinated across 12 platform teams—unified 200+ microservices into single IaC standard. Tech: \textbf{Golang, Slack API, Distributed Systems}}
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\resumeItem{Stakeholder Alignment}
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{Led requirement gathering across 4 platform teams; translated technical decisions for non-technical stakeholders; secured buy-in for platform migration. Unblocked 3 stalled projects by disambiguating specs.}
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\resumeItemListEnd
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\resumeSubheading
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{Amazon Web Services (AWS)}{Seattle, WA}
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{Senior Software Engineer (Step Functions)}{2022 — 2024}
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\resumeItemListStart
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\resumeItem{Challenge \& Solution}
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{Owned Distributed-Map from design doc to production launch across 57+ regions. Under tight deadline, introduced separate state in Map vs new functions—simplified customer adoption. Built checkpoint recovery for mid-workflow failures so customers resume without full re-run.}
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\resumeItem{Distributed Systems Engineering}
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{Solved critical edge cases: race conditions in concurrent updates, dependent service failures, message deduplication, exactly-once semantics. Introduced JSON state input for larger payloads—unlocked new customer use cases. Tech: \textbf{Java, DynamoDB, gRPC, Distributed Systems}}
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\resumeItem{Production Ownership \& Reliability}
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{Full oncall ownership—built CloudWatch dashboards, wrote operational runbooks, debugged production issues live. Achieved sub-100ms P99 latency across 57+ regions and 20x burst traffic scaling. Disaster recovery and incident response procedures. Tech: \textbf{Java, AWS, CloudWatch, Observability, Ownership}}
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\resumeItemListEnd
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\resumeSubheading
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{Netflix Titus (Container Orchestration)}{Los Gatos, CA}
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{Software Engineer Intern}{May — Aug 2019}
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\resumeItemListStart
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\resumeItem{Challenge \& Solution}
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{Streamlined Personal Data Detection (PDD) to identify classified data exfiltration anomalies—achieved 97.8\% accuracy with minimal false positives. Built fault-tolerant Golang connector for PDD integration with 28\% p99 latency improvement over legacy implementation.}
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\resumeItem{Compilation \& Integration}
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{Re-integrated SmartRegex with CMake \& C++ on Linux/Unix platforms. Achieved 5x faster deployment through automated build pipeline and dependency resolution. Tech: \textbf{C++, CMake, Golang, Docker}}
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\resumeItem{Impact}
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{Prevented classified data leakage across Netflix's distributed workload platform. Improved SLA for data governance compliance teams.}
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\resumeItemListEnd
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\resumeSubheading
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{NAV Canada (Air Traffic Control Systems)}{Ottawa, ON}
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{Summer Student}{May — Aug 2018}
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\resumeItemListStart
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\resumeItem{Challenge \& Solution}
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{Maintained enterprise CFPS web application in Agile development. Built Django NOTAMJ polls app to meet iteration goals. Improved deploy stability with Sonar code coverage analysis—reduced defect escape rate.}
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\resumeItem{Frontend \& User Experience}
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{Created FWGS weather briefing interface with ReactJS for Air Traffic Control. Real-time meteorological data visualization for pilot briefings. Tech: \textbf{ReactJS, Django, Agile, Sonar}}
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\resumeItem{Impact}
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{Improved ATC decision-making with cleaner weather briefing UX. Deployed to Canadian airspace (50+ airports).}
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\resumeItemListEnd
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\resumeSubHeadingListEnd
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%--------PROGRAMMING SKILLS------------
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\section{Technical Skills}
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\resumeSubHeadingListStart
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\item{\textbf{Languages}{: Golang, Java, Python, C++, JavaScript/TypeScript, SQL}}
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\item{\textbf{Cloud \& Infrastructure}{: Kubernetes (Talos Linux, k3s), Terraform, Docker, ArgoCD, AWS (DynamoDB, Step Functions, CloudWatch), OpenShift}}
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\item{\textbf{Distributed Systems}{: Temporal workflows, Kafka/Redpanda, gRPC, message queuing, exactly-once semantics, state management, disaster recovery}}
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\item{\textbf{LLM \& AI}{: vLLM (GPU inference), KServe, Ollama, TEI embeddings, vector databases (pgvector)}}
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\item{\textbf{Observability}{: Prometheus, Grafana, Loki, Tempo, OpenTelemetry, CloudWatch, alerting \& runbooks}}
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\item{\textbf{Networking \& Security}{: Authentik OIDC SSO, cert-manager TLS, RBAC, SOPS encryption, Cloudflare Tunnel (zero-trust), network policies}}
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\item{\textbf{Data}{: PostgreSQL, DynamoDB, MinIO S3, Longhorn storage, pgvector}}
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\item{\textbf{CI/CD}{: Forgejo Actions, GitHub Actions, Docker registry, Kustomize, GitOps}}
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\resumeSubHeadingListEnd
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%-----------EDUCATION-----------------
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\section{Education}
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\resumeSubHeadingListStart
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\resumeSubheading
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{University of Ottawa}{Ottawa, Ontario}
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{Master of Science in Computer Science (Software Systems)}{2020 — 2021}
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\resumeSubheading
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{University of Ottawa}{Ottawa, Ontario}
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{Bachelor of Science in Computer Science (Honours)}{2016 — 2020}
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\resumeSubHeadingListEnd
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%-------------------------------------------
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\end{document}
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