Carl Serquiña

Experienced Full Stack Software Engineer based in Dumaguete City, Philippines. 6+ years developing scalable web applications with TypeScript, React, Next.js, and AWS. Skilled in building responsive, high-performance websites that boost engagement and streamline workflows.

Projects

Token Metrics 3.0 screenshot

Token Metrics 3.0

Platform enabling 200,000+ users to make informed investment decisions

Experience

Frontend Engineer II

OutliantRemote (Austin, Texas)December 2024 - Present
  • Developed and launched the DECA Dental website, a patient booking tool built with Webflow, HTML, CSS, and JavaScript, serving dental patients across the US with streamlined appointment scheduling.
  • Designed and implemented a new Careers Page for DECA Dental, creating a job board from scratch using HTML, CSS, JavaScript, the Ashby Job Board API, and Cloudflare Workers, enhancing hiring interactions through an improved UI.
  • Contributed to the Location Finder module using the MapBox API, enabling users to locate the nearest dental offices on an interactive map, improving accessibility and user engagement.

Technologies

WebflowHTMLCSSJavaScriptCloudflare WorkersMapBox APIAshby API

Frontend Web Developer

Token Metrics LLCRemote (Austin, Texas)March 2024 - August 2024
  • Developed and launched a loyalty program website, increasing customer retention by 15% and reaching over 200,000 users.
  • Built the Token Metrics 3.0 platform, enabling over 200,000 users to make informed investment decisions, resulting in a 20% boost in user engagement.
  • Integrated personalized token evaluation features on the TokenLists Page, enhancing the platform's user interaction and data analysis capabilities.

Technologies

Next.jsTailwind CSSSnowflake SQLReact.jsTypeScript

Full Stack Developer

Paradox Interactive ABStockholm, SwedenAugust 2023 - January 2024
  • Contributed to the development of a gaming store website, driving a 25% revenue increase by improving user experience and functionality.
  • Enhanced product sales by 18% through the creation of a webshop using modern web technologies, leading to higher customer satisfaction.
  • Refined SDK documentation, increasing development efficiency by 30% and supporting the successful delivery of numerous ongoing projects.

Technologies

React.jsTypeScriptModern Web TechnologiesSDK Documentation

Frontend Developer

Flexisource ITMakati, PhilippinesApril 2022 - June 2023
  • Developed a comprehensive website for an interior design company, streamlining client interactions by 40% through improved online services.
  • Built an employee portal, improving HR workflow efficiency by 25% and simplifying administrative processes.
  • Created a recipe and food ingredients website, attracting 15% more active users by delivering a user-friendly interface and engaging content.

Technologies

Next.jsAnt-DesignReact.jsHTMLCSSJavaScript

Frontend Developer

Self-Employed/FreelanceDumaguete, PhilippinesMarch 2018 - April 2022
  • Delivered a scalable e-library platform for a startup within 6 months, supporting the company's growth and content management needs.
  • Migrated UI components to a modern design system, improving codebase maintainability by 35% and reducing future development time.
  • Developed multiple e-commerce platforms, increasing performance by 20% through the integration of REST and GraphQL APIs.

Technologies

React.jsReduxREST APIsGraphQL APIsModern Design Systems

Certifications

IBM AI Developer Professional Certificate

IBMSeptember 17, 2025

Successfully completed the IBM AI Developer Professional Certificate. Acquired the core knowledge and practical skills to build web applications and generative AI-powered solutions. Gained a foundational understanding of programming concepts and the Software Development Lifecycle (SDLC). Learned techniques and applications related to AI, including generative AI and prompt engineering. Demonstrated the ability to design and develop web applications using HTML, CSS, JavaScript, Python, and Flask, and build chatbots and innovative solutions using generative AI models, tools, and technologies.

IBM Full-Stack JavaScript Developer Professional Certificate

IBMSeptember 2025

Demonstrated the ability to build, deploy, test, run, and manage cloud-native full-stack applications using JavaScript. Skilled in HTML, CSS, JavaScript, Git, GitHub, React, Node.js, Express, DevOps, Agile, CI/CD, NoSQL databases, Containers, Docker, Kubernetes, OpenShift, Microservices, and Serverless computing.

IBM JavaScript Backend Professional Certificate

IBMSeptember 2025

Successfully completed the IBM JavaScript Backend Professional Certificate. Demonstrated the ability to build the backend of cloud-native applications, including development, deployment, testing, running, and managing back-end applications. Utilized tools and methodologies such as HTML, CSS, JavaScript, Git, GitHub, Node.js, Express, Agile, NoSQL databases, containers, Docker, Kubernetes, OpenShift, DevOps, CI/CD, Microservices, and Serverless computing. Prepared to take on the challenges of an entry-level back-end developer role.

IBM Front-End Developer Professional Certificate

IBMSeptember 2025

This credential earner has mastered the latest front-end development skills and tools. Can create web pages using HTML, CSS, JavaScript, and React, and apply UI/UX principles and best practices. Possesses efficient code management skills using GitHub and has gained technical expertise through hands-on labs and projects, enabling the creation of an impressive portfolio and the ability to showcase these skills to potential employers. [See badge](https://www.credly.com/users/carl-serquina)

IBM Full Stack Software Developer Professional Certificate

IBMAugust 2025

Successfully completed 15 courses covering Application Development and Cloud technologies. Equipped with skills in HTML, CSS, JavaScript, GitHub, Node.js, React, Cloud-Native practices, DevOps, CI/CD, Containers, Docker, Kubernetes, OpenShift, Python, Databases (SQL & NoSQL), Django ORM, Bootstrap, Application Security, Microservices, and Serverless computing. Developed and deployed cloud applications, built a SaaS solution using Cloud-Native methodologies, and completed a capstone project.

IBM Back-End Development Professional Certificate

IBMAugust 2025

Skilled in scaling techniques and methodologies including Docker, Kubernetes, microservices, and serverless functions. Proficient in writing back-end applications using server-side Python, version control, and package managers. Experienced in applying CI/CD and monitoring methodologies to streamline automation throughout the software development life cycle.

IBM Applied DevOps Engineering Professional Certificate

IBMAugust 2025

Proficient in DevOps practices, Agile methodologies, and cloud-native technologies. Hands-on experience with Docker, Kubernetes, OpenShift, and CI/CD pipelines. Knowledgeable in Microservices, REST, and Serverless computing. Practiced Agile planning, deploying applications with Kubernetes, and automating testing and deployments. Built a strong DevOps portfolio for career advancement in software development and IT operations.

IBM DevOps and Software Engineering Professional Certificate

IBMAugust 2025

Gained a firm understanding of the DevOps mindset and Agile/Scrum methodologies. Applied skills in developing shell scripts using Linux commands, environment variables, pipes, and filters. Demonstrated proficiency in Python application development and use of automation, CI/CD tools including Chef, Puppet, GitHub Actions, Tekton, and Travis. Acquired skills in cloud-native, containerization, Kubernetes, Docker, and serverless architectures.

DevOps and AI on AWS Specialization

Amazon Web ServicesJuly 2025

Completed a three-course program covering Generative AI, CI/CD for AI applications, and AIOps on AWS. Developed skills in prompt engineering, serverless computing, containerization, AWS CloudFormation, and continuous integration/deployment.

AWS Generative AI Applications Specialization

Amazon Web ServicesJuly 2025

Completed a three-course program: AI Fundamentals and the Cloud, AWS Services for AI Solutions, and Bringing Ideas to Life Using AI. Developed skills in AI/ML, prompt engineering, solution architecture, AWS SageMaker, Amazon Bedrock, PartyRock, data management, and responsible AI implementation.

AWS Fundamentals Specialization

Amazon Web ServicesJune 2025

Gained proficiency in AWS core services, security concepts, workload migration, and serverless application development through hands-on labs.

Google Project Management Certificate

GoogleAugust 2024 – December 2024

Enhanced expertise in managing complex projects and leading teams effectively.

Certificate of Recognition

Local Government Unit of Dumaguete CityMay 2022

Awarded for serving as a Resource Lecturer for the CSC Career Service Examination Review. Conducted 16 hours of training on Numerical Competency and English at NORSU Main Campus.

Skills

Technical Skills

Next.jsReact.jsVue.jsNuxt.jsTypeScriptJavaScriptHTML5CSS3BootstrapTailwind CSSNode.jsExpress.jsDjango ORMREST APIsGraphQL APIsMicroservices ArchitectureServerless ApplicationsMongoDBMySQLPostgreSQLNoSQL DatabasesSQLFirebaseAWS LambdaAWS RDSAWS AppSyncAWS CloudFormationAWS SageMakerAWS BedrockDockerKubernetesOpenShiftContainersCI/CD PipelinesGitHub ActionsTektonTravis CIPuppetChefCloudflareCloud SecurityGenerative AIAI/ML FundamentalsPrompt EngineeringAIOpsSolution ArchitectureData ManagementData EthicsPythonShell Scripting (Linux/Bash)Application SecurityAgile DevelopmentPerformance Optimization

Soft Skills

Problem-SolvingAnalytical ThinkingTeam CollaborationAdaptabilityCommunicationProject ManagementLeadershipMentorship & Training

Other Skills

Agile / Scrum MethodologiesDevOps Culture & PracticesUnit Testing (Jest, PyTest)CMS (Sanity.io, Headless CMS, Webflow)Documentation & Knowledge SharingSDK DevelopmentPublic Speaking & Lecturing

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