Multi-Stack Software Engineer

Builder of
software, circuits & sound.

I connect interfaces, devices, networks, tools, and audio into usable technical systems.

InterfacesWeb
DevicesESP32
ToolsDesktop
SignalAudio
Web
Embedded
Desktop
DevOps
Networks
Audio
Portrait of Avinash Kumar, multi-stack software engineer

Avinash Kumar

Open

Open to web, embedded, automation, and creative technology work

About

A technical generalist with a maker's instinct.

I design and build across web platforms, embedded systems, desktop software, networking, automation, and music technology. This multidisciplinary background helps me approach projects as complete systems, balancing technical architecture, user experience, reliability, and real-world execution.

01

Web platforms

Building responsive, maintainable interfaces and full-stack experiences with a focus on usability and performance.

02

Embedded devices

Connecting software to physical systems through practical firmware, hardware integration, and device workflows.

03

Desktop utilities

Creating focused tools that streamline everyday tasks and improve technical workflows.

04

Networks

Designing and troubleshooting reliable connectivity across systems, devices, and services.

05

Automation

Developing control systems and repeatable processes that reduce friction and improve consistency.

06

Music systems

Combining technical precision with creative production tools for audio, performance, and workflow design.

Skills

Disciplines that connect software to the physical world.

A practical skill set spanning product interfaces, embedded control, desktop tooling, networks, cloud deployment, and audio technology for building reliable real-world systems.

Web Development

Fast, expressive interfaces, API-connected products, and beginner-friendly AI/RAG prototypes built with modern frontend foundations.

Next.jsReactTypeScriptJavaScriptHTMLCSSTailwind CSSNode.jsPythonDjangoPHPCodeIgniterREST APIsAI/RAG basicsPrompt design basicsMySQLPostgreSQLResponsive DesignSEO BasicsAuthenticationGitDatabase Design

Embedded Systems

Microcontroller-driven products, automation prototypes, and connected control workflows.

ESP32ArduinoMicrocontrollersEmbedded CC/C++SensorsActuatorsIoT PrototypingUARTI2CSPIControl SystemsAutomationFirmware DebuggingSerial CommunicationHardware Integration

Desktop Software

Focused utilities, internal tools, and practical software that improves technical workflows.

Desktop AppsPython ToolsPyQtElectronC++JUCE FrameworkAutomation ScriptsUtility SoftwareCross-platform AppsFile ProcessingCLI ToolsGUI ToolsWorkflow AutomationInternal Tools

Networking

Reliable connectivity, configuration, device communication, and systems integration.

Basic NetworkingTCP/IPLAN SetupWi-Fi ConfigurationRouter ConfigurationDNSHTTP / HTTPSDevice ConnectivitySystem IntegrationNetwork TroubleshootingIP ConfigurationMQTTWebSocketsVPN BasicsFirewall Rules

Music Production

Audio-first creative technology spanning editing, programming, sound design, and sync concepts.

FL StudioAudio EditingMusic ProductionSound DesignMixingMastering BasicsMIDIAudio ProgrammingMusic ProgrammingAudio-light SyncSignal FlowCreative Sound SystemsLive Audio Concepts

DevOps & Cloud

Deployment pipelines, cloud hosting, CI/CD, environment setup, and production-ready release workflows.

CI/CDGitHub ActionsCloud DeploymentsLinuxDockerCloudflareEnvironment VariablesBuild PipelinesDeployment AutomationLogs & MonitoringDNS SetupSSL / HTTPSProduction Releases

Projects

Selected builds across code, circuits, systems, and sound.

BS Sync Studio main show sequencing workspace
Show sequencing workspace11
Desktop Software

BS Sync Studio

A C++/JUCE desktop application for designing synchronized fountain, lighting, and show-control sequences with timeline editing, DMX output, live 3D preview, fixture setup, diagnostics, and export tools.

C++JUCECMakeDMXsACN / E1.31Timeline sequencingAudio playback3D previewbgfxGLB / glTFFSEQ exportCSV export
Blue Service public website landing page cover
Company website, ERP, CRM and server management platform3
Web Projects

Blue Service

A Next.js and Cloudflare-based company platform built for Blue Service to showcase swimming pool and fountain services, collect customer inquiries, manage website content, connect with ERP/CRM operations, monitor business metrics, and support internal device/firmware workflows from a secured admin dashboard.

Next.jsReactTypeScriptTailwind CSSshadcn/uiRadix UIFramer MotionPrismaVPSCloudflare WorkersOpenNext CloudflareCloudflare D1Cloudflare R2Cloudflare ImagesWranglerERPNextFrappe OAuthCRMJWT authenticationOAuth 2.0Role-based access controlServer-side renderingREST APIsLead managementMedia libraryFirmware hostingESP Web ToolsWeb Serial APIWebUSBSEO optimizationSitemapRobots.txtGitHub ActionsFull server management
BS DMX Master Controller firmware cover frame
DMX master4
Embedded Projects

BS DMX Master Controller

A real-time embedded DMX master controller that can run offline sequences, receive live network lighting data, drive dual DMX universes, schedule automatic playback, and safely control DMX-compatible hardware.

ESP32-S3C++PlatformIOArduino FrameworkDMX512E1.31/sACNWi-FiSD CardI2S AudioDS3231 RTCJSON ConfigurationFreeRTOS TasksHTTP Activation APISHA-256ESP32 Preferences
TuneMatrix desktop music processing dashboard cover
Open-source music processing app1
Desktop Software

Tune Matrix

A Python and PySide6 desktop app that helps musicians, DJs, and audio creators import songs, detect BPM and key, apply tempo/key adjustments, separate stems, and manage processed exports without modifying original audio files.

PythonPySide6Qt WidgetsQThreadC++EssentialibrosaDemucsPyTorchRubber BandFFmpegSoundFileNumPyJSON persistencePyInstallerNSISGitHub ActionsUnit testingOpen source
RAG Knowledge Assistant AI interface cover image
RAG demo
Web Projects

RAG Knowledge Assistant Demo

A basic RAG-style assistant prototype that makes retrieval, source snippets, and grounded answer flow easy to understand.

Next.jsReactTypeScriptTailwind CSSAI/RAG basicsPrompt design basics
BS Scheduler ESP32 motor starter controller cover frame
Embedded control system3
Embedded Projects

BS Scheduler

A compact industrial-style controller that combines embedded firmware, hardware control, scheduling logic, and an onboard web interface.

ESP32PlatformIOArduino C++LittleFSESPAsyncWebServerArduinoJsonDS3231 RTC

Services

Technical services with end-to-end context.

From polished websites to embedded prototypes and audio-reactive concepts, each service is shaped around clear communication, practical constraints, and durable execution.

Website Design & Development

Responsive portfolio, business, landing, and content websites with polished UI and SEO foundations.

Full-stack Web Applications

Dashboards, portals, API-connected apps, auth flows, and custom product interfaces.

Embedded & IoT Prototypes

ESP32, sensors, device workflows, serial communication, and hardware/software prototypes.

Automation & Control Systems

Control logic, monitoring screens, workflow automation, and practical systems integration.

Desktop Tools & Utilities

PyQt, Electron, C#, JUCE, Python tools, internal apps, and workflow utilities.

Network Setup & Integration

Device connectivity, DNS, router/Wi-Fi setup, LAN support, and connected-system troubleshooting.

Audio / Music Technology

FL Studio workflows, audio editing, sound design, music programming, and audio-light sync concepts.

Deployment & DevOps Support

Cloud deployment, CI/CD, GitHub Actions, Cloudflare, VPS, environment setup, and release support.

Contact

Let's build something precise, useful, and memorable.

Reach out for portfolio work, product builds, embedded concepts, automation tools, networking support, or music technology projects.

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