14 Languages • 5 Databases • 4 Workflows • Infinite Scale

Development
Team

The engineering core of ukkera.com. We write the code that powers every product — from real-time backends in Go to cross-platform mobile in KMP, from Rust kernels to AI pipelines in Python.

ukkera — multi-stack
const stack = {
  frontend: ['Next.js', 'React', 'Svelte', 'RN', 'CMP', 'KMP'],
  backend: ['Go', 'PHP', 'Python', 'Rust'],
  database: ['Postgres', 'Mongo', 'Redis', 'Neo4j', 'MariaDB'],
  infra: ['RabbitMQ', 'gRPC', 'WS', 'SSE', 'VOD']
};
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Technology Stack

Full-Stack. No Compromises.

Every technology chosen for a reason. Click any card to explore how we use it.

Next.js

Full-Stack React Framework

Our primary web framework. SSR, SSG, ISR, API routes, and server components — we leverage every feature Next.js offers for production-grade web applications.

Show usage details
App Router + RSCActive
SSR + ISR HydrationActive
API Route HandlersActive
Middleware + EdgeActive
Image + Font OptimizationActive

Used for all ukkera web apps, dashboards, marketing sites, and admin panels. TypeScript-first with strict mode enabled.

React

Component Library

The foundation of our UI layer. Hooks, context, suspense, concurrent features — we write idiomatic React with a deep understanding of the rendering model.

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Concurrent RenderingActive
Suspense BoundariesActive
Custom Hook LibrariesActive
Error BoundariesActive

Shared component library across Next.js web and React Native mobile. Strict TypeScript with branded types for domain models.

TypeScript

Type-Safe Language

TypeScript everywhere — no JavaScript in our codebase. Strict mode, path aliases, branded types, exhaustive pattern matching, and zero 'any' types allowed.

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Strict ModeEnforced
No 'any' RuleESLint
Shared Type PackagesMonorepo
Zod ValidationRuntime

100% TypeScript codebase. Shared types between frontend, backend (NestJS), and React Native. Generated types from OpenAPI specs and GraphQL schemas.

Svelte

Compiler-Based UI

For lightweight, high-performance interfaces where bundle size matters. Svelte compiles away the framework — zero runtime overhead, surgical reactivity.

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SvelteKitActive
Embedded WidgetsProduction
Landing PagesProduction

Used for performance-critical embeds, lightweight micro-frontends, and standalone landing pages where minimal JS payload is essential.

React Native

Cross-Platform Mobile

Native mobile for iOS and Android from a single TypeScript codebase. New Architecture enabled, with native module bridges for performance-critical paths.

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New ArchitectureFabric + TM
Shared LogicMonorepo
Native ModulesKotlin + Swift
OTA UpdatesActive

Primary mobile framework for the ukkera consumer app. Shares business logic and types with Next.js web via internal package registry.

CMP & KMP

Kotlin Multiplatform + Compose

Kotlin Multiplatform for shared business logic across Android, iOS, Desktop, and Web. Compose Multiplatform for declarative UI that targets every platform natively.

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Shared Logic (KMP)Android+iOS+Desktop
Compose UI (CMP)Multi-target
Desktop App (CMP)JVM + Native
SQLDelightOffline DB

Strategic choice for native-feeling apps where platform-specific UX matters. Shared data layer, platform-native UI. Desktop app built entirely with Compose for Desktop.

Electron

Desktop Application

Cross-platform desktop apps with web technologies. We use Electron for feature-rich desktop tools that need native OS integration, file system access, and system tray presence.

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IPC BridgeTypeSafe
Auto-UpdateActive
Native AddonsRust + N-API

Desktop apps for power users. IPC via electron-trpc for end-to-end type safety. Rust native modules for CPU-intensive operations.

NW.js

Lightweight Desktop

Node.js + Chromium for lightweight desktop shells. We use NW.js where we need direct Node.js access in the renderer — simpler IPC, smaller footprint for utility apps.

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Node in RendererNative
Utility ToolsProduction
Source ProtectionV8 Snapshots

Chosen for internal tools and lightweight desktop utilities where direct Node.js APIs in the DOM context are beneficial. Smaller distribution than Electron for focused apps.

Golang

Backend Services & Real-Time

The backbone of our service architecture. Go powers every real-time system, every WebSocket server, every gRPC connector, and every high-throughput data pipeline at ukkera.

Real-time WS Server
gRPC Connector
SSE Streamers
Data Flow Engine
API Gateway
Microservices
Show architecture
Goroutine Pool100K+ concurrent
WebSocket HubCustom implementation
gRPC ServicesProtobuf + Codegen
Message QueueRabbitMQ producer/consumer
P99 Latency< 12ms

Every performance-critical backend service at ukkera is written in Go. Our real-time WebSocket server handles 100K+ concurrent connections per instance with sub-millisecond message delivery.

PHP

Data Retrieval & API Layer

Battle-tested data retrieval layer. PHP powers our read-heavy API endpoints, complex SQL query builders, and data aggregation services that feed analytics and reporting.

Data Aggregation
Read API Layer
Report Generation
SQL Builder
Show architecture
FrameworkLaravel + Custom ORM
Query OptimizationEager loading + Caching
Read Throughput50K req/s

Strategic choice: PHP excels at data retrieval patterns. Complex joins, EAV queries, and multi-database aggregation are simpler and faster in PHP than in Go. Right tool for the right job.

Python

AI & Data Processing

The intelligence layer. Python powers our ML models, NLP pipelines, data processing workflows, recommendation engines, and every AI-driven feature at ukkera.

ML Pipeline
NLP Processing
Recommendation
ETL Workflows
Show architecture
ML FrameworkPyTorch + HuggingFace
Data ProcessingPandas + Polars
ServingFastAPI + ONNX
GPU InferenceCUDA enabled

AI features served via FastAPI microservices. Models trained in PyTorch, exported to ONNX for production inference. Async processing via Celery + Redis task queue.

Rust

OS, Streaming & Kernels

Where performance is non-negotiable. Rust powers our VOD streaming server, custom OS-level kernels, proxy server, and systems programming where memory safety meets zero-cost abstractions.

VOD Streaming
Proxy Server
OS Kernels
N-API Modules
Show architecture
Streaming ServerHLS/DASH + Transcode
ProxyTokio async + TLS
Zero-copy I/Oio_uring / epoll
Memory SafetyCompile-time guaranteed

Our VOD streaming server handles thousands of concurrent video streams with zero-copy parsing. The proxy server processes 500K+ req/s on commodity hardware. No GC pauses, no memory leaks, no compromises.

PostgreSQL

Primary Relational DB

Our primary relational database. ACID transactions, complex joins, JSONB columns, full-text search, and row-level security. Every critical business data lives here.

Details
UsageUsers, billing, core entities
FeaturesJSONB, RLS, CTEs, pg_trgm
ReplicationStreaming + Hot Standby

MongoDB

Document Store

Flexible document storage for content, analytics events, logs, and schema-flexible data. Change streams power real-time updates across our platform.

Details
UsageAnalytics, content, logs
FeaturesChange Streams, Aggregation
ShardingHorizontal scale

MariaDB

High-Performance SQL

MySQL-compatible RDBMS for read-heavy workloads. Columnar storage for analytics, spider engine for sharding, and multi-source replication for data warehousing.

Details
UsageReports, analytics, archives
EngineColumnStore + InnoDB
Performance100K+ QPS

Redis

Cache & Message Broker

In-memory data store for caching, session management, rate limiting, pub/sub messaging, and real-time leaderboards. The speed layer between apps and databases.

Details
UsageCache, sessions, pub/sub
FeaturesStreams, Sorted Sets, Lua
LatencySub-millisecond

Neo4j

Graph Database

Graph database for relationship-heavy data. Social connections, recommendation paths, permission hierarchies, and knowledge graphs — modeled as nodes and edges naturally.

Details
UsageSocial graph, recommendations
QueryCypher + GDS library
Nodes50M+ relationships

RabbitMQ

Message Broker

Asynchronous message broker for decoupled communication between services. Topic exchanges, dead letter queues, delayed messages, and guaranteed delivery across all microservices.

Details
PatternPub/Sub + Point-to-Point
Throughput200K msg/s
FeaturesDLX, TTL, Shovel, Federation

gRPC

Service Communication

High-performance RPC framework for inter-service communication. Strongly typed contracts via Protobuf, bi-directional streaming, and code generation for Go, Python, Rust, and Kotlin.

Details
Protobufv3 with custom types
StreamingBi-directional
GatewayREST transcoding

WebSocket + SSE

Real-Time Delivery

Custom-built real-time delivery. WebSocket server for bidirectional communication, SSE streamers for unidirectional live updates. Both built in Go for maximum throughput.

Details
WS Connections100K+ per instance
SSE Streams50K+ concurrent
ProtocolCustom binary + JSON
Codebase Breakdown

Language Distribution

TypeScript
28%
Go
24%
Kotlin
16%
Rust
12%
Python
9%
PHP
7%
Svelte
4%
Built In-House

Our Own Platforms

We don't just use platforms — we build them. Seven custom-built systems engineered for ukkera's exact needs.

Analytics Platform

Custom analytics engine processing millions of events. Real-time dashboards, funnel analysis, cohort tracking, and custom metric computation — all built from scratch.

GoMongoDBRedis

Realtime WS

WebSocket server built in Go. 100K+ concurrent connections per instance with pub/sub channels, presence detection, and guaranteed message ordering. Our real-time backbone.

GoWSRabbitMQ

gRPC Connector

Unified gRPC gateway connecting all microservices. Protobuf schema registry, service mesh, health checking, and automatic failover across our entire service fleet.

GoProtobufRust

Data Flow Engine

Event-driven data pipeline orchestrator. ETL jobs, stream processing, data transformation, and cross-database synchronization with exactly-once delivery guarantees.

GoRabbitMQPython

SSE Streamers

Server-Sent Events streaming platform for live updates, notifications, and real-time data pushes. Lightweight, reconnectable, and infinitely scalable one-way channels.

GoSSERedis

VOD Streaming

Custom video-on-demand streaming server built in Rust. HLS/DASH packaging, on-the-fly transcoding, adaptive bitrate, and zero-copy delivery at scale.

RustHLSDASH

Proxy Server (Broxy)

Our Custom Reverse Proxy

Built in Rust — our custom reverse proxy handling 500K+ requests/second. TLS termination, intelligent routing, rate limiting, request transformation, and load balancing with zero-copy proxying via io_uring.

Rustio_uringTLSHTTP/2
System Design

Architecture Patterns

Different problems demand different architectures. We choose the right pattern for each domain.

Microservices

Distributed Services

Independent, deployable services communicating via gRPC and message queues. Each service owns its data, scales independently, and fails in isolation.

API GW
Auth
User
Pay
Rabbit
Show services list
Auth ServiceGo + Redis
User ServiceGo + Postgres
Payment ServiceGo + Postgres
Content ServiceGo + MongoDB
Notification ServiceGo + RabbitMQ
Search ServicePython + Neo4j

Modular Architecture

Composable Code

Monorepo-organized modules with clear boundaries. Shared packages for types, utils, and UI components. Each module has its own API surface and dependency graph.

@ukkera/types
@ukkera/ui
@ukkera/hooks
@ukkera/api-client
Show module list
Shared TypesTypeScript
UI Component LibReact + CMP
Hook LibraryReact Hooks
API ClienttRPC + REST
Auth ModuleKMP Shared

Reactive Architecture

Event-Driven Flows

Non-blocking, event-driven systems that react to change. RxJS on the frontend, Go channels on the backend — data flows through the system as observable streams.

Event
Stream
Transform
UI
Show reactive patterns
Frontend StreamsRxJS + Observables
Backend ChannelsGo Channels + Select
State ManagementZustand + Signals
Live UpdatesWS + SSE + Reactivity

Pub/Sub Pattern

Decoupled Messaging

Publishers emit events without knowing subscribers. RabbitMQ exchanges, Redis Pub/Sub, and Go channels form a multi-layer messaging backbone for fully decoupled communication.

Publisher A
Publisher B
Exchange / Broker
Sub 1
Sub 2
Sub 3

Offline-First DB

Local-First Sync

Apps work without internet. SQLDelight on KMP, WatermelonDB on React Native, and IndexedDB on web. Background sync with conflict resolution when connectivity returns.

Local DB
Queue
Sync
Server

Right Pattern, Right Place

We don't force one architecture everywhere. Microservices for independent domains, modules for shared code, reactive for real-time, pub/sub for decoupling, offline-first for mobile.

Git Workflows

How We Branch & Ship

Different codebases demand different branching strategies. Click each workflow to see the visual flow.

GitHub Flow

Simple & Fast — For Web Apps & Services

The simplest workflow. Create a branch, make changes, open a PR, review, merge to main, deploy. Perfect for continuous deployment where main is always deployable.

main
feature/*
PR + Review
Merge → Deploy
Best ForWeb apps, APIs, SaaS
Branchesmain + feature/*
Deploy TriggerMerge to main
ComplexityLow ★☆☆

Workflow Comparison

Aspect GitHub Flow Gitflow Trunk-Based Forking
Speed Fast Moderate Fastest Moderate
Structure Minimal Strict Minimal Moderate
Release Control Continuous Versioned Feature Flags Maintainer
Used At Ukkera Web + APIs Mobile Apps Go Services Open Source
Engineering Philosophy

Dev Principles

Type Safety First

If it compiles, it works. TypeScript strict, Go static types, Rust ownership — we let compilers catch bugs before runtime.

Performance is a Feature

Sub-100ms responses, sub-16ms renders. We profile, benchmark, and optimize because speed is not optional — it's the product.

Right Tool, Right Job

Go for real-time, Rust for kernels, Python for AI, PHP for data retrieval. We never force one language to do everything.

Ship in Small Batches

Small PRs, frequent merges, continuous delivery. The smaller the change, the safer the deployment, the faster the feedback.

Observability Built In

Structured logging, distributed tracing, and metrics from day one. Every service is a white box — we see everything it does.

Own Your Platform

When off-the-shelf doesn't fit, we build. Our streaming server, proxy, analytics, and real-time platform — built by us, for us.

We Build Everything.

From Rust kernels to React UIs, from Go microservices to Python AI — the Development team at ukkera engineers the full stack, no gaps.

Development Team
ukkera.com — Full stack. No compromises.