Abstract technology-themed background

Geethika Dilshan Jayarathna

I'm Full-Stack Developer

About

Motivated IT enthusiast with hands-on experience in software development, hardware, and testing, eager to contribute to a professional organization while continuously developing technical and soft skills.

Portrait of Geethika Dilshan Jayarathna

Software Developer & IT Enthusiast.

Joining a professional organization will allow me to share knowledge and abilities, grow in the IT industry, be a supportive member of the organization, and become an expert in my field.

  • Birthday: 18 April 2001
  • Phone: +94 786878622
  • City: Padukka, Sri Lanka
  • Languages: Sinhala (Fluent), English (Intermediate)
  • Email: a.l123jayarathna@gmail.com
  • LinkedIn: linkedin.com/in/geethika-dilshan
  • GitHub: github.com/GDJ2001
  • Hobbies: Travelling, Designing, PC Building/Repair

I have experience across hardware, networking, and software development, and enjoy building solutions with Java, PHP, web technologies, and Android. I am passionate about learning new technologies and contributing to impactful projects.

Skills

Technologies and tools I use for full-stack development, secure API architecture, database systems, DevOps workflows, and AI-enhanced engineering.

Core Languages (JavaScript, TypeScript, PHP, SQL, HTML, CSS) 90%
Frontend (Angular, React, Vue, TailwindCSS, Vite) 86%
Backend & APIs (Node.js, NestJS, Express, Laravel, Symfony, JWT, OAuth2) 88%
Databases (MySQL, PostgreSQL, MongoDB, SQLite, Redis) 86%
DevOps & Cloud (Docker, Google Cloud, Linux, Git, GitHub) 82%
AI & Modern Engineering (LLM Integration, Prompt Engineering, API-First Design) 84%

Resume

A snapshot of my education, experience, and key projects in software development, IT, and hardware.

Summary

Geethika Dilshan Jayarathna

IT enthusiast with experience in software development, testing, and computer hardware, seeking opportunities to contribute to a professional organization while growing as a developer.

  • Quarters, National Institute of Education, Meepe Junction, Padukka
  • +94 786878622
  • a.l123jayarathna@gmail.com

Education

G.C.E. Advanced Level

Biology Stream

Subjects: Physics (F), Chemistry (F), Biology (S), General English (S).

G.C.E. Ordinary Level

Mahinda Rajapaksha College, Homagama

Passed GCE O/L with subjects including Mathematics (A), Buddhism (A), Science (B), ICT (B), Business & Accounting Studies (B) and others.

NVQ Level 04 Course

Vocational Training Center, Padukka

Completed NVQ Level 04 with focus on IT and technical skills.

Basic Hardware Course

Vocational Training Center, Pahathgama

Gained practical knowledge in computer hardware, troubleshooting, and PC assembly.

Professional Experience

Testing Lab Assistant

South Asia Textiles Limited, Pugoda

1 year of service in the testing lab.

  • Supported daily testing operations and quality checks.
  • Recorded and organized test results accurately.
  • Collaborated with team members to maintain laboratory standards.

IS Division Intern

Sri Lanka Ports Authority (IS Division)

6 months of service in the Information Systems division.

  • Assisted in maintaining and supporting IT systems and applications.
  • Contributed to troubleshooting hardware and software issues.
  • Worked with senior staff on day-to-day IT tasks and documentation.

Top Projects

Beatix

Application Development, UI/UX Implementation

Built a feature-focused application with modern screens and user-friendly navigation, emphasizing clean interface flow and practical usability.

ContractFlow-AI

TypeScript, AI Integration, Multi-tenant Workflow System

ContractFlow-AI is a multi-tenant vendor and contract lifecycle management system powered by AI-driven analysis for document validation, compliance checks, and automated workflow routing.

Portfolio

A showcase of my key GitHub projects across web platforms, application systems, and AI/API-integrated product development.

    Services

    Services aligned with my GitHub technology stack in full-stack engineering, secure APIs, data systems, cloud delivery, and AI-integrated workflows.

    Full-Stack Web Development

    Building scalable web applications across frontend and backend using JavaScript, TypeScript, PHP, SQL, HTML, and CSS.

    Frontend Engineering

    Developing responsive interfaces with Angular, React, Vue, TailwindCSS, and Vite for modern user experiences.

    Backend API & Security

    Creating backend services with Node.js, NestJS, Express, Laravel, and Symfony with JWT and OAuth2 security.

    Database Engineering

    Designing and optimizing data models with MySQL, PostgreSQL, MongoDB, SQLite, and Redis for performance and scale.

    DevOps & Cloud Delivery

    Managing containerized deployments with Docker, Linux, Git/GitHub workflows, and Google Cloud environments.

    AI & LLM Integration

    Integrating LLM capabilities, prompt engineering workflows, and API-first automation into modern applications.

    Contact

    Feel free to reach out for collaboration, opportunities, or any IT-related support.

    Address

    Quarters, National Institute of Education, Meepe Junction, Padukka

    Call

    +94 786878622

    Email

    a.l123jayarathna@gmail.com

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