Hi, I'm Harren Full-Stack Software Developer

I craft powerful and user-focused digital solutions using modern Microsoft technologies. Specializing in C#, ASP.NET MVC, and full-stack development to build efficient, scalable, and intuitive applications that drive results.

About Me

"Full-Stack Software Developer with 7+ years of experience in designing, developing, and optimizing enterprise applications across energy, manufacturing, and technology sectors. Skilled in .NET, C#, Angular, React, API/Web Services, RPA (UiPath), and SQL/Oracle databases. Proven track record in system integration, automation, and performance optimization, delivering solutions that reduce downtime, improve data accessibility, and enhance user experience. Adept at collaborating in multicultural, agile teams across the Middle East and Asia, with strong problem-solving, stakeholder communication, and time and task management skills."

Skills & Technologies

Programming & Frameworks

  • C# — 7 years
  • ASP.NET MVC — 7 years
  • .NET Core — 5 years
  • Magic XPA — 3 years
  • JavaScript — 5 years
  • TypeScript — 3 years
  • Angular — 5 years
  • React — 5 years
  • Vue — 5 years
  • Flutter — 1 years
  • MVC — 7 years
  • MVVM — 5 years
  • Kotlin — 1 years
  • Python — 1 years

API & Integrations

  • RESTful API Development — 7 years
  • Web Services — 7 years
  • Third-party API Integration — 7 years

Database Management

  • MS SQL Server — 7 years
  • Oracle — 5 years
  • MySQL — 5 years

Automation & Analytics

  • UiPath RPA — 3 years
  • Power BI — 1 years
  • IFTTT — 2 years
  • Zapier — 1 years
  • Make — 1 years
  • DevOps Fundamentals — 3 years

Version Control & CI/CD

  • Git — 5 years
  • GitHub — 5 years
  • GitLab — 5 years
  • TFS — 2 years
  • TortoiseSVN — 5 years

Work Experience

Software Developer

Aldrees Petroleum & Transport Services Company

Riyadh, KSA · Mar 2023 – Present

  • Designed and maintained in-house software systems, improving functionality and enhancing user satisfaction across multiple business units.
  • Developed RESTful APIs and integrated 3rd-party services, automating workflows and reducing manual processes.
  • Built and managed UiPath-based automation solutions to streamline business processes.
  • Collaborated with design team to create seamless user experiences
  • Conducted root-cause analysis and resolved critical issues, ensuring high system uptime and minimizing downtime impact.
  • Optimized databases via indexing and schema tuning, reducing query response times.
  • Provided technical training and documentation, reducing recurring support requests.

Software Developer

IT Managers Inc. (Client: Analog Devices Inc.)

Mandaluyong City, Philippines · Oct 2021 – Feb 2023

  • Spearheaded the design and delivery of client-specific systems, ensuring alignment with business requirements and enhancing customer satisfaction.
  • Performed proactive system troubleshooting and maintenance, reducing downtime and improving operational reliability.
  • Managed and optimized databases through indexing, backup strategies, and performance tuning.
  • Delivered technical support and training to end-users, improving adoption rates and overall efficiency.

IT Staff

Wuhan Fiberhome International Technologies Phils. Inc.

Cavite, Philippines · May 2019 – Oct 2021

  • Provided comprehensive technical support and troubleshooting services, minimizing system disruptions and maintaining business continuity.
  • Conducted detailed system analysis to identify performance bottlenecks and implemented solutions to optimize efficiency.
  • Designed and delivered training sessions for new users, boosting system adoption and proficiency across teams.
  • Participated in agile development cycles and daily standups

Software Developer

HRD Singapore PTE. LTD.

Cavite, Philippines · Jan 2018 – May 2019

  • Designed and delivered tailored software solutions to address organizational requirements and enhance business operations.
  • Diagnosed and resolved system issues, strengthening reliability and reducing service disruptions.
  • Administered and maintained databases, ensuring data integrity, availability, and compliance with organizational standards.
  • Provided responsive user support and guidance, increasing overall system satisfaction and adoption.

Featured Projects

Ops Intake Copilot

Ops Intake Copilot

Zero-cost AI-powered automation that transforms messy Discord bug reports into structured GitHub issues. Features smart routing with Groq LLaMA 3, handles 100+ reports/month, and runs entirely on free tiers.

AutomationArtificial IntelligenceDiscord Botn8nGroqLLaMA 3GitHub APIDevOpsCloudflareZero CostWorkflowAPI IntegrationWebhooksTypeScriptOpen Source

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Email Follow-Up Scanner [Auto-Send + Digest]

Email Follow-Up Scanner [Auto-Send + Digest]

Designed for high-volume outreach, this automation acts as a virtual assistant for your inbox. It scans Gmail for sent emails lacking replies, filters out unsubscribes or bounces, and executes a tiered follow-up strategy. The workflow includes: Smart Scanning: Checks labels, threads, and date stamps to prioritize responses. Auto-Send Logic: Sends customized, gentle reminder emails (with variable delay settings) when a reply is not detected. Daily Digest: At 9:00 AM, the system sends you a summary report of who was contacted and which emails are queued, keeping you informed without the inbox noise.

n8nGoogle ApiJavascriptGmailAutomation

View on GitHub
Aritiq

Aritiq

Aritiq is inspired by the word "Arithmetic", representing numbers, calculations, and logical thinking, while its modern ending gives it a clean, memorable identity. Aritiq is more than a calculator and more than a notes app—it's a workspace where writing and calculating happen together. Whether you're tracking expenses, creating shopping lists, planning a budget, or solving quick calculations, Aritiq lets you do it all in one place without switching between apps. Designed with simplicity, speed, and privacy in mind, Aritiq works completely offline. Your notes stay on your device, your calculations happen instantly, and your workflow stays uninterrupted. Aritiq — Think. Write. Calculate

KotlinMobile ApplicationAndroidiOSSwiftNativeOpen SourceCompose Multi-PlatformSQLDelightMaterial 3Offline

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AvixiaTools

AvixiaTools

A bunch of small, no-nonsense tools. They don’t track you, don’t ask for your email, don’t phone home. Everything stays on your machine. They just work.

ReactNextJsTypeSciptOpenSourceVercel DeploymentWeb Development

View on GitHub

Certifications & Achievements

DevOps Fundamentals

DevOps Fundamentals

Introduces the core concepts, tools, and practices used to streamline software development and operations. You will learn key topics such as continuous integration and delivery (CI/CD), version control, automation, containerization, and cloud-based workflows, and see how DevOps improves collaboration, reliability, and deployment speed across the software lifecycle.

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Android Application Development

Android Application Development

Hands-on course that teaches how to build modern mobile apps for the Android platform, from setting up Android Studio and designing intuitive user interfaces to working with data, APIs, and publishing apps to the Play Store.

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Diploma of Completion - RPA Developer Foundation

Diploma of Completion - RPA Developer Foundation

awarded to individuals who have successfully completed a structured learning plan covering the fundamentals of Robotic Process Automation using the UiPath platform. It confirms foundational knowledge of UiPath Studio, Robots, and Orchestrator, including building basic UI automations, working with Excel and PDF automation, handling errors and exceptions, and organizing automation projects according to recommended practices. This diploma demonstrates readiness to participate in enterprise automation initiatives at a junior or associate RPA developer level and to progress to more advanced UiPath training and certification.

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Analyzing and Visualizing Data with Microsoft Power BI

Analyzing and Visualizing Data with Microsoft Power BI

Analyzing and Visualizing Data with Microsoft Power BI demonstrates proficiency in using Power BI to model, visualize, and analyze data according to business and technical requirements. This credential validates skills in preparing data with Power Query, creating data models with DAX, building interactive reports and dashboards, and managing Power BI assets securely. It equips data analysts to deliver actionable insights through self-service analytics and effective data storytelling.

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Introduction to AI and Machine Learning

Introduction to AI and Machine Learning

Introduction to AI and Machine Learning provides foundational knowledge of artificial intelligence concepts, including machine learning algorithms, neural networks, and their real-world applications. Participants learn core principles such as supervised/unsupervised learning, data preprocessing, and model deployment while exploring ethical considerations like bias and fairness. This credential equips beginners with practical skills to build simple AI models and understand emerging technologies like large language models.

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Let's Work Together

I'm open to freelance opportunities, full-time roles, and creative partnerships.

Email: harren@hcnatividad.com

Phone: +63 909 081 6234 · +966 54 768 1832

Location: Riyadh, Saudi Arabia (GMT+3)