Sachintha Shyamika.
Sachintha Shyamika — Software Engineer and Full-Stack Developer from Sri Lanka
Full-Stack Developer
Open for Internship & Full-Time Opportunities

Sachintha
Software Engineer.

IT undergraduate focused on Full-Stack Development and Software Engineering. I build production-ready web systems end-to-end — from database design to deployment. Also experienced in IT Support, hardware troubleshooting, and network fundamentals.

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3+
Years Experience
6+
Deployed Systems
40+
Global Freelance Clients
3.70+
HNDIT GPA
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01 — About Me

Builder. Engineer.
Problem Solver.

Software engineering focused IT undergraduate from Sri Lanka, building practical full-stack systems with clean architecture, security awareness, and product-first thinking.

I'm an IT undergraduate (HNDIT — SLIATE), currently also pursuing a Diploma in Cyber Security alongside my degree. My core focus is Full-Stack Software Engineering — building robust, scalable, and production-ready web systems from the ground up.

On the full-stack development side, I build and maintain end-to-end web systems using JavaScript/TypeScript, React, Next.js, Node.js, PHP/MySQL, Firebase, and Supabase — covering commerce, operations, and management use cases from database design through deployment.

From a software engineering standpoint, my workflow centers on clean architecture, maintainable API-driven design, and product-first thinking — building systems that stay reliable and scalable as they grow.

On the IT Support side, I have 5+ years of hands-on experience diagnosing PC/laptop hardware and software faults, OS installation and recovery, driver configuration, and home/office network setup — including router config, IP settings, and Wi-Fi troubleshooting.

I also bring 3+ years of freelance design experience as a Fiverr Level 1 Seller under my brand RuuGraphics, delivering brand identity, logo, and UI/UX design work for clients worldwide.

Full-Stack Web Developer

Built and maintained 10+ practical systems using PHP/MySQL, Firebase/Supabase, and modern JavaScript stacks, enabling end-to-end troubleshooting across real workflows.

Frontend Engineering

Builds responsive interfaces with React and Next.js, focusing on usability, performance, and smooth user flows.

Backend & API Development

Implements server logic, APIs, and database workflows with Node.js/Express and PHP/MySQL for production-ready applications.

Cyber Security Learner

Actively studying ethical hacking and network security at NextGen Campus. Applies access control, authentication hardening, and secure data practices in projects.

Product & Delivery Discipline

Experience managing real client expectations, release timelines, and iterative improvements across live systems.

Real-World Systems Exposure

Worked across live or production-ready systems including order operations, ERP workflows, and transaction/reporting platforms.

UI/UX & Graphic Design

3+ years as a Fiverr Level 1 Seller delivering brand identity, logo, and UI/UX design work for clients worldwide using Figma, Illustrator, and Photoshop.

IT Support & Troubleshooting

7+ years of hands-on PC/laptop maintenance, OS installation, and hardware fault-finding — backed by real client-facing technical support experience.

Great products need both clean architecture and human-centered design.
I build systems where both are treated as first-class requirements.

Sachintha Shyamika
02 — Technical Skills

Full-Stack Engineering Skills

Technologies I use to build production-ready applications across frontend, backend, databases, cloud services, and secure integrations.

Full-Stack Development
React, Next.js, Node.js, PHP/MySQL & cloud-connected systems end-to-end.
UI/UX & Product Design
Figma-driven interfaces, design systems, and clean user-first layouts.
IT Support & Assistance
Hands-on troubleshooting, PC setup, and everyday tech support.
Main / Heavy Use
Core Skill
Actively Learning

Frontend & Frameworks

JavaScript (ES6+) HTML5 / CSS3 React.js Next.js 16 TypeScript Tailwind CSS v4 Responsive Design Leaflet Maps WordPress

Backend & Databases

Node.js / Express.js PHP / MySQL Firebase / Firestore Supabase Storage MongoDB Atlas PostgreSQL (Neon) Prisma ORM REST APIs Real-Time Sync

Auth, Payments & Integrations

JWT Auth / OTP PayHere Gateway Firebase Auth Clerk Auth EmailJS RBAC Security Bcrypt Binance API

Scripting & Programming

JavaScript PHP TypeScript SQL C# Java OOP Principles Automation Mindset

Documentation & Communication

User-Friendly Explanations Clear Written Updates Task & Issue Logs SOP-Style Documentation Requirement Gathering Cross-Team Collaboration Client Brief Handling Presentation Skills

Tools & Platforms

VS Code Git / GitHub GitHub Pages Vercel Visual Studio NetBeans Chrome DevTools Postman Docker (Learning)

Cyber Security

Network Security RBAC & Auth Hardening Ethical Hacking Kali Linux Penetration Testing Basic Networking (TCP/IP) Security Tools

UI/UX & Graphic Design

Figma Adobe Illustrator Adobe Photoshop Canva Brand Identity Logo Design Landing Page Design Design Systems

IT Support & Hardware

Windows Install / Config / Recovery PC / Laptop Setup & Fault-Finding Wi-Fi / Router Setup Driver & Peripheral Config MS Office Suite Google Workspace Ticket Handling Remote Support

Academic Foundation (HNDIT Coursework)

Data Structures & Algorithms Database Management Systems System Analysis & Design Software Engineering Practices Software Quality Assurance Operating Systems IT Project Management Statistics for IT Machine Learning Fundamentals Enterprise Architecture

AI Productivity & Learning Tools

ChatGPT Claude AI (Anthropic) Prompt Engineering Knowledge Search & Summarization Google Gemini Workflow Automation AI-Assisted Troubleshooting
03 — Projects

Systems & Technical Projects

Projects that demonstrate practical troubleshooting, operations thinking, and reliable system implementation.

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04 — Experience

Professional Work

Real-world client and engineering experience across full-stack product development.

2023 — Present

Freelance Designer & Digital Service Provider

Level 1 Seller · Fiverr.com · Remote / Worldwide Clients

  • Handled end-to-end client communication, requirement clarification, and structured delivery cycles across global remote engagements.
  • Maintained Level 1 Seller status through high quality, reliable communication, and consistent on-time delivery.
  • Strengthened product-thinking habits: expectation setting, iterative improvements, and handling urgent requests under deadlines.
  • Built strong ownership and execution discipline now applied to software project delivery.
Visit My Fiverr Profile
2024 — Present

Junior Web Systems Developer (Project-Based)

Freelance & Academic Projects · Remote / Sri Lanka

  • Built and supported RuuGraphics end-to-end, including admin workflows, real-time tracking, payment flows, and secure file handling.
  • Developed and maintained PHP/MySQL systems (Fund Management and Student Management) with transaction logic and reporting.
  • Performed practical debugging across UI, API, and database layers to restore system functionality quickly.
  • Implemented authentication and access controls (OTP, RBAC, JWT patterns) to improve operational security.
  • Gained strong exposure to production-style workflows: deployment, updates, issue fixes, and user-focused improvements.
View My GitHub
5+ Years Practical Experience

IT Support & Hardware Troubleshooting

Personal & Hands-on Experience · System & Network Maintenance

  • Diagnosed and resolved PC/laptop hardware and software issues, including OS installation/recovery, driver setups, and fault-finding.
  • Configured home Wi-Fi networks, routers, IP settings, and resolved local network connectivity issues.
  • Developed strong systematic analytical skills and technical patience when debugging hardware and environment-level failures.
05 — Education

Academic Journey

Aug 2024 — Present
Higher National Diploma in Information Technology
SLIATE — Dehiwala, Sri Lanka

Web Development · OOP (Java & C#) · Databases · Networking · Software Engineering

Apr 2026 — Present
Diploma in Cyber Security
NextGen Campus — Sri Lanka

Network Security · Ethical Hacking Fundamentals · Security Tools & Practices

2020 — 2023
G.C.E. Advanced Level
R/Balangoda Ananda Maithreya Central College
Certifications

IT Essentials

Cisco Networking Academy

Web Designing for Beginners

University of Moratuwa

HNDIT Modules Studied
HNDIT Cumulative GPA — Semester I–III
3.70
Average across 3 completed semesters. Semester IV result is pending.
Code Module
HNDIT1012 Visual Application Programming
HNDIT1022 Web Design
HNDIT1032 Computer and Network Systems
HNDIT1042 Information Management and Information Systems
HNDIT1052 ICT Project (Individual)
HNDIT1062 Communication Skills
Code Module
HNDIT2012 Fundamentals of Programming
HNDIT2022 Software Development
HNDIT2032 System Analysis and Design
HNDIT2042 Data Communication and Computer Networks
HNDIT2052 Principles of User Interface Design
HNDIT2062 ICT Project (Group)
HNDIT2072 Technical Writing
HNDIT2082 Human Value & Professional Ethics
Code Module
HNDIT3012 Object Oriented Programming
HNDIT3022 Web Programming
HNDIT3032 Data Structures and Algorithms
HNDIT3042 Database Management Systems
HNDIT3052 Operating Systems
HNDIT3062 Information and Computer Security
HNDIT3072 Statistics for IT
Code Module
HNDIT4012 Software Engineering
HNDIT4022 Software Quality Assurance
HNDIT4032 IT Project Management
HNDIT4042 Professional World
HNDIT4052 Programming Individual Project
HNDIT4212 Machine Learning
HNDIT4232 Enterprise Architecture
Client Feedback

What Clients Are Saying

Real reviews from freelance clients on Fiverr, reflecting reliability, communication, and delivery quality.

5.0 / 5.0
★★★★★
109 reviews · 103 five-star ratings
View Fiverr Profile
Verified Fiverr
★★★★★

Awesome experience. Super responsive, had the final design in less time than promised. Exceeded all expectations.

T
themattmayo
US flag United States
Verified Fiverr
★★★★★

Amazing, wasn't expecting those results. Will hire him again for further projects.

S
sami_serson
Netherlands flag Netherlands
Verified Fiverr
★★★★★

I am very satisfied with the quality and creativity of the work. The process was smooth and really fast!

L
luciebhlmann
Mexico flag Mexico
Verified Fiverr
★★★★★

Great work and fast turnaround. Love it.

J
jevanteq
US flag United States
Verified Fiverr
★★★★★

Very fast quality service. He finds what we need with changes in a very short time. Highly recommend.

S
superlanka
Sri Lanka flag Sri Lanka
Verified Fiverr
★★★★★

Amazing seller, so communicative and helpful! Couldn't be any better. So so happy!

W
weronikaswitala
United Kingdom flag United Kingdom
Verified Fiverr
★★★★★

Great design work, extremely fast and very good communication. Delivers exactly what was needed!

C
chargls07
US flag United States
Verified Fiverr
★★★★★

I'm now a repeat client and I'm very happy with the results every time.

M
maurizio812003
Italy flag Italy
06 — Contact

Let's Work Together

Open to Internship, Software Engineer, Full-Stack Developer, and Web Developer opportunities. Let's talk.

Email

shamikakkss@gmail.com

Phone

+94 760 835 913

GitHub

github.com/Shamikakkss

LinkedIn

sachintha-shyamika

Additional Creative Portfolio

RuuGraphics (secondary showcase)

Location

Colombo, Sri Lanka

Download CV