Dennis Opoola

Dennis Opoola

Software Developer & Technical Support Specialist

dennisopoola@gmail.com
+370 619 12 346
Vilnius, Lithuania

Professional Summary

Highly motivated IT professional with a strong foundation in IT Support, Customer Service, and Web Development. Experienced in managing IT systems, resolving technical issues, and providing exceptional support in dynamic, international environments. Demonstrated expertise in driving innovation, enhancing operational efficiency, and fostering a collaborative culture. Fluent in English with exceptional communication and technical skills, committed to delivering top-tier service and supporting cross-functional teams to achieve organizational goals. Passionate about leveraging technology to support growth, scalability, and continuous improvement.

Core Skills

  • IT Support & Systems Administration: Proficient in managing IT infrastructure, troubleshooting, and hardware/software configurations (macOS, Windows).
  • Customer Service: Skilled in delivering exceptional support to diverse teams, resolving escalations, and enhancing user satisfaction.
  • Technical Expertise: Experience with Atlassian tools, cloud solutions, and operating systems.
  • Problem-solving & Innovation: Identifying and implementing IT process improvements to optimize service delivery.
  • Collaboration & Communication: Effectively engaging cross-functional teams and stakeholders to achieve organizational goals.

Technical Skills

Languages & Frameworks

JavaScript, TypeScript, HTML, CSS, React.js, Redux, PHP, Java, SQL

Development Tools

Git, Webpack, Babel, Jira, CI/CD, CRM platforms (Zendesk, Salesforce), Google Analytics, Metabase

Education

BSc in Technologies of Information Systems

Alytaus Kolegija/University of Applied Sciences, Lithuania

2021 - 2024

Certifications

Google IT Support Professional Certificate (2025)

Comprehensive program covering troubleshooting, customer service, networking, operating systems, system administration, and security.

IBM IT Support Professional Certificate (2025)

Advanced IT support training covering hardware, software, networking, security, and cloud computing fundamentals.

Customer Service Excellence (2023)

Advanced customer care and service delivery training.

Java Programming (2023)

Gained foundational coding expertise.

Python Programming (2023)

Developed data analysis and process automation skills.

Languages

English (Fluent)

Hobbies & Interests

  • Continuous Learning: Passionate about advancing technical and customer service skills.
  • Community Engagement: Committed to fostering collaborative and inclusive workplace environments.

Professional Experience

Technical Support Analyst

July 2024 - Aug 2025

Outlier (Remote)

  • Provided technical and SaaS support to international clients via chat, email, and ticketing platforms.
  • Researched and documented recurring technical issues, preparing concise reports for internal teams.
  • Collaborated across departments, ensuring empathy and accuracy in all client interactions.

IT Intern

October 2023 - December 2023

Alytaus Kolegija (Lithuania)

  • Assisted students and staff with IT access, system configuration, and troubleshooting.
  • Supported software testing and documentation, ensuring stable academic IT operations.
  • Created user guides and internal documentation to improve efficiency and learning outcomes.

Community Support Manager (Tech)

December 2021 - September 2023

T. Marjode (Remote)

  • Managed customer communications across digital platforms, gathering insights to enhance user experience.
  • Summarized user reports and collaborated with product teams to refine service delivery.
  • Supported data-driven decision-making by identifying recurring technical and UX issues.

Administrative Assistant

July 2019 - November 2021

County Hospital (Nigeria, Lagos)

  • Provided administrative and clerical support to multiple hospital units.
  • Maintained digital patient files and appointment systems with attention to accuracy and confidentiality.
  • Assisted with data entry, billing support, and digital workflow improvements.
  • Collaborated with IT staff to enhance internal communication and process efficiency.

Projects

Meal Lover

React, Express, Node.js, MongoDB, Stripe

Developed a responsive food website, focusing on user experience and seamless navigation.

JoyHaven Gym

React, Next.js, TypeScript, Tailwind CSS

Created a modern gym platform with an emphasis on user engagement and ease of interaction.

Infinite Journeys

Next.js, React, TypeScript, Tailwind CSS, Vercel, API Integration

A modern travel exploration platform allowing users to discover destinations, find accommodations, and plan their perfect getaway.

Marvella University

Next.js 14, React 18, TypeScript, Tailwind CSS, Framer Motion, Internationalization

A comprehensive multilingual university website featuring internationalization support in six languages.

Additional Skills

  • Technical Tools: Proficient in IT tools such as Microsoft Office Suite, inventory management systems, and Atlassian tools.
  • Adaptability: Comfortable working in remote or hybrid environments, demonstrating flexibility in meeting team needs.
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