Hello I'm

Hishara Weerasinghe

Technical Lead, iOS Engineer, System Designer
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Learn About Me

7+ Years Experience

Technical Lead and specialized full stack engineer, passionate about the full software life cycle. Experienced in designing and deploying high traffic systems, ensuring they are scalable, resilient and maintainable across different types of infrastructures. Well versed in system design concepts such as ACID & BASE, SQL vs NoSQL data modelling, sharding & replication, load balancing & caching, circuit breakers & rate limiting, event-driven messaging and REST/ gRPC APIs. Fluent in iOS development with Swift (UIKit & SwiftUI) and backend development with Node.js. Specialized in Clean Architecture, MVVM-C, design patterns & SOLID principles. Proven ability to lead and collaborate effectively with cross functional teams in agile environments to deliver reusable, scalable and maintainable codebases.

iOS Development (UIKit/ SwiftUI)

85%

System Design (Scalability, Sharding, Replication)

85%

Backend Development (Node.js, Redis, Kafka)

80%

DevOps (Docker, Ansible, Nginx, HAProxy)

80%

Android Development (Java, XML)

85%

MVC/ MVVM-C, Clean Architecture, Design principles

80%

UI/UX Design

80%

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What I do

Awesome Quality Services

iOS App Development

Design and develop highly scalable iOS applications with maximizing user experience.

Android App Development

Design and develop scalable and robust android applications which suits for your requirements.

UI/UX Design

Provides creative and scalable UI UX design for mobile applications to enhance user experience.

IOT Development

Development of IOT enabled products which suits to your custom needs.

System Design & Architecture

Design scalable and resilient distributed systems for high traffic, using load balancing, caching, sharding, read replicas, event streaming and circuit breakers.

Backend & Infrastructure

Develop robust Node.js backend services and automate deployments with Docker and Ansible across different types of infrastructures.

My Resume

Working Experience

2025 - Now

Lead Engineer

Advantage Group, Australia

Leading and mentoring teams in developing mobile applications (iOS/ Android), while driving system design and backend development for scalable, high traffic platforms.

2023 - 2024

Lead Engineer - iOS/ Backend

Stephen Innovations, Sri-Lanka

Leading and mentoring teams to develop apps on iOS Platforms, while designing system architecture and building Node.js backend APIs and services.

2022 - 2023

Software Engineer (iOS/ Android)

Vezul Technology, Sri-Lanka

Development of e-commerce based mobile apps for Android & iOS Platforms.

2021 - 2022

Software Engineer (iOS/ Android)

Bee Bee Digital, Sri-Lanka

Development of customized android and iOS applications based on customer requirements.

2020 - 2021

Lead Developer (Mobile)

Stephen Innovations, Sri-Lanka

Guiding the teams to ensure the smooth functioning of technical operations of mobile apps.

2018 - 2020

Trainee/ Associate Software Engineer

Kintegra, Sri-Lanka

Development of IOT products and mobile applications which holds communication with embeded devices.

2016 - 2017

Management Trainee

STS Enterprises, Sri-Lanka

Maintaining the documentation of project records and employee information.

My Latest Release

Sky Wizard

My Current Projects

Lync App

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My Portfolio

My Excellent Portfolio

  • All
  • Android/ iOS
  • UI/UX Design
  • Open Source
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Sky Wizard

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HOUM

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NIBM Job Portal

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SSRM Gold

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E-Reload

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Success Lanka

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Screen Exercise

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Eazy HUB

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NIBM Loyalty App

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Growin App

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Employee Management

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Kintegra Smart Homes

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Qurantime (Covid 19)

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EState

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Prettymind Redesign

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NIBM Job Portal

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cafeteria

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Covid Safe

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Success Lanka

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Medichain

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My Space Redesign

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Volts by CEB

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My Team

Expert Team Members

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Trevo Gayan

Android/ iOS Engineer

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Imasha Hansini

Project Manager/ Business Analyst

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Nimesh Lakshan

Backend & Cloud Engineer