Developer workspace
    portfolio.sh
    $

    // character_bio

    Character Bio

    Linthujan Vimalanathan
    Software Engineer
    Character Stats

    Class

    Software Engineer | Backend & Full-Stack Developer

    Region

    Vavuniya, Sri Lanka

    Experience

    3+ Years

    Guild

    Avlyon Technologies

    Backstory

    Software Engineer with 3+ years of experience building scalable backend systems, full-stack web and mobile applications, enterprise software, and finance management solutions. Strong in system design, API development, and database architecture, with hands-on delivery of production systems from requirements through deployment.

    Experienced with Node.js, NestJS, Go, React, Next.js, Flutter, PostgreSQL, and MySQL, including AI-powered application components and cloud/server deployments.

    // skill_tree

    Tech Skill Tree

    Explore the abilities unlocked through experience

    Languages

    5 abilities

    JavaScript🔒
    TypeScript🔒
    Go🔒
    Dart🔒
    PHP🔒

    Frontend & Mobile

    5 abilities

    React.js🔒
    Next.js🔒
    Flutter🔒
    React Native🔒
    C# WinForms🔒

    Backend

    5 abilities

    Node.js🔒
    Express.js🔒
    NestJS🔒
    Symfony🔒
    Golang🔒

    Databases

    7 abilities

    MySQL🔒
    PostgreSQL🔒
    Firebase🔒
    Sequelize ORM🔒
    TypeORM🔒
    Database Design🔒
    Query Optimization🔒

    DevOps & Cloud

    7 abilities

    Git🔒
    Ubuntu🔒
    AWS🔒
    GCP🔒
    Docker🔒
    Git🔒
    GitHub Actions🔒

    AI/ML

    3 abilities

    RAG Systems🔒
    Vector Search🔒
    AI Web ChatBots🔒

    // expertise

    ⚔️ CLASS ABILITIES

    Areas of Expertise

    Lv.1+

    Frontend Development

    Building responsive and interactive web and mobile interfaces with modern frameworks.

    Proficient
    React.jsNext.jsFlutterTailwind CSSSCSSHTMLCSSJavaScriptTypeScript
    Lv.1+

    Backend Development & APIs

    Designing REST APIs and backend services with database integration, authentication, and performance optimization.

    Proficient
    Node.jsExpress.jsNestJSSequelize ORMPostgreSQLMySQLFirebaseGolang
    Lv.2+

    Real-Time & Event-Driven Systems

    Reach higher level to unlock...

    ?????????
    Lv.2+

    Deployment & Cloud Systems

    Reach higher level to unlock...

    ???????????????
    Lv.3+

    Database & Data Management

    Reach higher level to unlock...

    ????????????
    Lv.3+

    Mobile App Development

    Reach higher level to unlock...

    ????????????

    // battle_log

    Battle Log

    Experience gained through professional adventures

    June 2025 – Present

    +500 XP

    Software Engineer

    Avlyon Technologies (Private) Limited

    • Build full-stack applications using React, Next.js, React Native, NestJS, Symfony, and Go for enterprise financial and business clients.
    • Design REST APIs, database structures, and system integrations supporting complex, multi-step business workflows.
    • Develop backend services for financial technology solutions covering transaction processing and banking-related workflows.
    • Debug and optimize scheduled background jobs for financial transaction processing.
    • Build AI-powered application components, including LLM-based solutions and intelligent automation workflows.
    • Manage application deployments, server configuration, and production maintenance on GCP/AWS VMs.
    • Collaborate with cross-functional teams to improve system reliability, performance, and code quality.

    May 2024 – June 2025

    +1000 XP

    Software Engineer

    Kelaxa (PVT) Ltd

    • Managed development of a POS/inventory management system end-to-end — requirement gathering, deployment, client training, and maintenance.
    • Designed and built a full-stack property sales platform (LandCorner.in) — web and mobile — with dynamic forms and a responsive UI.
    • Developed ERP solutions for small and medium businesses.
    • Built backend services for an interest-based event recommendation social app, including real-time chat and payment gateway integrations.
    • Designed database structures and optimized queries to improve application performance.
    • Mentored interns on clean coding practices and software engineering best practices; conducted code reviews.

    September 2023 – May 2024

    +1500 XP

    Associate Software Engineer

    Kelaxa (PVT) Ltd

    • Developed backend services and REST APIs for the Payaxa DTH recharge system using Node.js and Express.js.
    • Optimized MySQL queries and contributed to database schema design.
    • Built React-based admin panels for managing mobile application content.
    • Developed backend services for a community banking system, supporting core business workflows.
    • Deployed and maintained applications on Ubuntu servers; collaborated with senior developers on production-ready features.

    // quest_board

    Completed Quests

    Major missions accomplished in the dev realm

    S-Rank

    DTH recharge platform with backend systems and web interface for recharge workflows and payment integrations.

    React.jsNode.jsExpress.jsSequelizeMySQLFirebase
    S-Rank

    Full-stack, multi-branch business platform covering inventory, stock, sales/invoicing, barcode support, and customer/supplier management.

    React.jsNode.jsExpress.jsMySQL
    S-Rank
    Landcorner.in
    Legendary

    Full-stack property sales platform with dynamic forms, responsive UI, and user management features.

    React.jsNext.jsNode.jsExpress.jsSequelizeMySQLFirebase
    S-Rank
    Kumele App
    Legendary

    Interest-based event recommendation social application with real-time chat, notifications, and payment integration.

    Node.jsExpress.jsSequelizeSocket.IOMySQLFirebasePayPalStripePlisio

    // knowledge_base

    Knowledge Base

    Training grounds where skills were forged

    Certified

    Bachelor of Information Technology (BIT)

    University of Moratuwa

    2025 - Present

    Skills Learned:

    Artificial IntelligenceMachine LearningDiscrete MathematicsData MiningWeb ServicesDatabase Management SystemsIT Quality Assurance
    Certified

    Higher National Diploma in IT (HNDIT)

    SLIATE - Vavuniya ATI

    2021 - 2024

    Skills Learned:

    Data Structures and AlgorithmsObject Oriented ProgrammingDatabase Management SystemsWeb DevelopmentMobile DevelopmentDesktop Application DevelopmentComputer Architecture

    // summon_hero

    Summon the Developer

    Ready to embark on a new quest together? Send a message and earn bonus XP! ✨

    New Quest Message+50 XP

    📍 Location Data

    [email protected]
    Vavuniya, Sri Lanka