STATUS:OPEN TO REMOTE COLLABORATION & CONTRACTS
ADDIS ABABA, ETHIOPIA
FULL-STACK & AI SYSTEMS ARCHITECTURE

I BUILD
NOT JUST INTERFACES.

Software engineer working across frontend, backend, mobile, and product systems — with a particular obsession for thoughtful interfaces and reliable software.

Bereket Kinfe engineering software at his workstation
WORKSPACE|Voice AI Consular Pipeline
DEV SESSION ACTIVE
60 FPS4K UHD
main
TS Strict
1
Auto-TypingUTF-8TypeScript JSX
Ln 1, Col 1
Terminal — bashdev server
turbopack active
▲ Next.js 16.3.4 (Turbopack)
✓ Ready in 142ms
✓ [TypeScript] 0 diagnostic errors found.
➜ Local: http://localhost:3000/
➜ Network: http://192.168.1.4:3000/
bereket@workstation:~/projects/ai-visa-interview$
http://localhost:3000/interview-session
200 OK

Consular Mock Interview

Low-Latency Duplex Audio Stream

STREAMING (24kHz)
Round-Trip Latency42msTarget: <500ms
VAD Confidence98.4%BERT-ONNX
LIVE DESK MONITOR// VOICE AI CONSULAR PIPELINE
BASED IN

Addis Ababa, Ethiopia

EXPERIENCE

~4 Years Hands-on Industry

PRIMARY STACK

TypeScript, React, Next.js, Node.js

INTERESTS

Architecture / DX / AI / Performance / OSS

01 //CURATED CASE STUDIES

SELECTED WORK

Detailed engineering breakdowns of production platforms, distributed systems, real-time voice pipelines, and performance overhauls.

01//2025–2026//Multi-Tenant Commercial Platform

ISP Marketplace

A multi-tenant ISP marketplace engineered for the Indian telecommunications market, orchestrating customer, provider, and administrative operations.

ROLE:Lead Frontend & Product Engineer
THE CORE PROBLEM

Multiple telecom tiers and service providers needed separate, isolated operational spaces while sharing unified catalog, subscription, and billing workflows across web and mobile surfaces.

THE ARCHITECTURAL SOLUTION

Engineered a unified multi-tenant frontend architecture supporting three distinct user profiles: end-user marketplace, ISP tenant admin, and platform super-admin. Implemented cross-platform code sharing between React (web) and React Native (mobile).

MEASURABLE OUTCOME

Delivered a resilient, responsive multi-tenant system with strict permission boundaries, decoupled API integration layers, and seamless checkout and subscription management.

KEY ARCHITECTURAL HIGHLIGHTS

  • [1]Multi-tenant state isolation and dynamic role-based view routing
  • [2]Dual-surface parity: React Web alongside React Native mobile clients
  • [3]High-throughput Nest.js REST and PostgreSQL backend integration
  • [4]Unified design token system implemented with Tailwind CSS
TECHNOLOGIES:
ReactReact NativeTypeScriptTailwind CSSNest.jsPostgreSQL
Private commercial client architecture — source code protected under NDA.
SYSTEM SPECIFICATION // 01
ARCHITECTURE
INTERACTIVE MULTI-TENANT BOUNDARY:
ISP Provider Admin TierAUTH BOUNDARY ENFORCED
Surface:React Web Dashboard
Isolation:Row-level schema isolation via tenant_id
PERMITTED OPERATIONS:
Manage Fiber LinesBandwidth ProvisioningBilling Exports
Architectural Note: Shared core component primitives across React Web and React Native while preserving strict tenant separation at the Nest.js API gateway.
02 //

WHO IS BEREKET?

EDITORIAL PERSPECTIVE & BACKGROUND

“I like working where product decisions, interfaces, and engineering meet.”

Over the last few years I've worked on everything from multi-tenant marketplaces and large ERP systems to AI-powered voice applications and mobile products.

I enjoy taking complicated requirements, understanding the system underneath them, and turning them into software that feels simple to use.

FRONTEND & SYSTEMS FIDELITY

Belief that state flow, layout typography, keyboard ergonomics, and network caching must feel seamless together.

MEASURED PERFORMANCE

Treating latency as an interface flaw. From 100k+ row virtualization to sub-second streaming voice AI.

ENGINEER DOSSIERSTATUS: ACTIVE
NAMEBereket Kinfe
CURRENT LOCATIONAddis Ababa, Ethiopia
EXPERIENCE SPAN~4 Years (2023–Present)
CORE FOCUSProduct & Full-Stack Eng
TECHNICAL CONVICTIONS
Clarity of data contracts beats clever hacks every time.
The best developer experience translates into bulletproof user experience.
Respect production edge cases: latency, flaky connections, large data payloads.
TIMEZONE: UTC+3 (EAT)OPEN FOR HIRE
03 //

EXPERIENCE & CAREER LOG

CHRONOLOGICAL VERIFIED LOG // 2023–2026
Sept 2025 – Jan 2026

Fanaye Technologies

Full-Stack Engineer, QA & Junior Project Manager
Addis Ababa, Ethiopia

Spearheaded full-stack frontend architecture and release coordination for multi-tenant telecom systems.

Architected web and mobile frontend surfaces for a multi-tenant ISP marketplace serving diverse user tiers
Coordinated sprint planning, technical requirements breakdown, QA cycles, and production release pipelines
Developed core Nest.js APIs and managed PostgreSQL data queries with tight schema validations
Conducted root-cause production bug triage, stress testing, and regression verification
ReactReact NativeTailwind CSSNest.jsPostgreSQLTypeScriptQA Automation
July 2025 – Sept 2025

Afrilearn International

Software Engineer
Remote

Built real-time conversational voice AI infrastructure and led front-facing performance optimization.

Rebuilt public web architecture, driving Google Lighthouse performance scores from ~60 to 100
Architected low-latency full-duplex audio pipeline (STT → LLM → TTS) over WebSockets on AWS EC2
Integrated ONNX runtime with custom BERT-based Voice Activity Detection for conversational turn-taking
Authored SEO architecture that helped drive +600 new active students within 30 days of launch
Next.jsWebSocketsONNXBERT VADAWS EC2Tailwind CSSCore Web Vitals
Apr 2025 – June 2025

Self-Employed

Fullstack Developer — Freelance
Addis Ababa, Ethiopia

Designed and deployed custom full-stack solutions for commercial clients with strict production requirements.

Delivered production-grade Next.js and TypeScript web platforms with hardened RBAC authentication
Built bespoke admin dashboards, automated transactional notification systems, and client portal tools
Managed cloud infrastructure provisioning, domain routing, SSL certificates, and CI/CD releases
Next.jsTypeScriptNode.jsPostgreSQLTailwind CSSREST APIs
Aug 2024 – Mar 2025

Adot Technologies

Co-Founder / Frontend Developer
Addis Ababa, Ethiopia

Co-founded software initiative focused on modern enterprise tools and engineering ergonomics.

Architected and implemented Adot ERP suite alongside the company flagship web platform
Created a modular, tokenized UI system with Next.js, TypeScript, and shadcn/ui patterns
Accelerated internal dashboard delivery by 3x through reusable data table and form components
Next.jsTypeScriptshadcn/uiTailwind CSSDesign Systems
Dec 2023 – July 2024

WTB Import and IT Solution

Frontend Developer
Addis Ababa, Ethiopia

Engineered responsive management dashboards and real-time inventory tracking applications.

Built data-intensive frontend applications using React and Redux with REST and GraphQL backends
Significantly improved UI responsiveness and reduced bundle size through strategic lazy-loading
Collaborated closely with backend engineers to define clear API schemas and error contract states
ReactReduxGraphQLREST APIsJavaScriptCSS3
Aug 2023 – Nov 2023

Faith Import & Trade

Fullstack Developer
Addis Ababa, Ethiopia

Developed internal task management platform and field inventory tracking utilities.

Constructed internal task management tool using Next.js with secure PostgreSQL database persistence
Implemented progressive web app (PWA) offline caching capabilities for field operations
Designed role-based permissions ensuring operational data privacy across staff tiers
Next.jsPostgreSQLPWATypeScriptAuthentication
2023 – 2024

Techtonic Tribe

Education Lead (Volunteer)
Addis Ababa, Ethiopia

Community tech education initiative teaching modern web engineering fundamentals.

Curated practical curriculum for prospective frontend and full-stack software engineers
Conducted live coding workshops on modern JavaScript, React state patterns, and Git workflows
Mentored emerging developers on portfolio building, code reviews, and problem-solving practices
Web EngineeringCurriculum DesignReact MentorshipGit Workflows
04 //

ENGINEERING STACK

PRIMARY TECHNOLOGIES & CORE TOOLS
DOMAIN // 01

FRONTEND

User interfaces, design systems & client execution

ReactCORE

Production applications, custom hooks, architecture

Next.jsCORE

App Router, SSR, SSG, server actions

TypeScriptCORE

Strict typing, generic models, interface design

JavaScript (ESNext)CORE

Deep runtime mechanics, async flow

Tailwind CSSCORE

Token systems, responsive layouts, utility craft

React Native

Mobile cross-platform client delivery

TanStack Start

Full-stack TypeScript exploration

Responsive DesignCORE

Mobile-first, fluid layout grids

Accessibility (a11y)CORE

Keyboard flows, ARIA contracts, WCAG

Component ArchitectureCORE

Composition, tokens, design systems

NOTE //

ENGINEERING NOTES: HOW I WORK

FIRST PRINCIPLES & WORKING PHILOSOPHY
01.

UNDERSTAND THE SYSTEM FIRST.

Before touching any code or choosing a framework, map the real problem, data flow, and failure states.

Rushing to build before understanding the domain model leads to tangled abstractions. Software that lasts is built on a clear mental model of how data moves from origin to screen.

02.

SIMPLIFY BEFORE OPTIMIZING.

The fastest code is the code that does not need to run; the cleanest architecture removes unnecessary layers.

Premature complexity is often disguised as cleverness. In the Spare-Parts ERP, removing unnecessary joins and adopting simple windowed virtualization did more than any esoteric caching engine.

03.

PERFORMANCE IS PART OF UX.

A beautiful interface that stutters or spins a loader is a broken interface. Latency is an emotional tax.

Whether tuning an interactive Voice AI loop down to sub-second responses or getting Lighthouse to 100 on Afrilearn, speed communicates respect for the person using your software.

04.

GOOD COMPONENTS REDUCE FUTURE WORK.

Design primitives should be composable, predictable, and strictly typed so teams move faster without breakage.

An ergonomic design system does not just look uniform—it reduces cognitive overhead. When tokens and contracts are explicit, building new features feels like assembling calibrated instruments.

05.

SHIP, OBSERVE, IMPROVE.

Software is a living system. Real feedback and telemetry under actual load are worth more than theoretical perfection.

Engineering maturity means taking responsibility past git merge: monitoring error rates, profiling in production, reading real user friction, and continually refining the craft.

SUMMATION //

QUIET CRAFT OVER NOISE.

The objective isn't to look like a generic developer template. It's to build systems that people can rely on day after day.

ADDIS ABABA // EST. 2023
05 //

THE LAB & EXPERIMENTS

OPEN SOURCE TOOLS, PROTOYPES & PROOFS OF CONCEPT
Developer ToolOpen Source

Commit-Tastic

VS Code extension that automates Git commit workflows by analyzing diffs and generating conventional, context-aware commit messages using AI.

Note: Streamlines semantic commits while keeping developers in flow.
TypeScriptVS Code APIGit CLILLM Integration
VIEW REPOSITORY
AI / BotOpen Source

ThreadMind

AI-powered Telegram bot built to digest, condense, and extract key action items from lengthy multi-participant group chat threads and technical discussions.

Note: Handles asynchronous queue processing and structured prompt chaining.
TypeScriptNode.jsTelegram Bot APIGemini API
VIEW REPOSITORY
SaaSOpen Source

FreelanceHub

Comprehensive freelance business management platform featuring automated invoice generation, client onboarding portals, contract delivery, and Stripe payments.

Note: End-to-end multi-tenant client billing and secure payment automation.
Next.jsPrismaPostgreSQLStripeBetter AuthReact Query
VIEW REPOSITORY
Developer ToolOpen Source

Quota Keeper

Local-first developer dashboard for monitoring multi-provider API quotas, token consumption rate-limits, and budget alerts with offline-first client storage.

Note: Privacy-first token tracking without sending sensitive credentials to third parties.
Next.js 16TypeScriptSupabaseDexie IndexedDBFramer Motion
VIEW REPOSITORY
Developer ToolOpen Source

Converter Studio

Instant, zero-friction in-browser file and media conversion PWA running entirely client-side with native Web APIs and drag-and-drop workflow.

Note: 100% in-browser processing with zero server uploads and offline support.
JavaScriptHTML5 Web APIsCanvasPWACSS3
VIEW REPOSITORY
SaaSProduction

BirthdayDrop

Collaborative celebratory web application enabling groups to collect multimedia memories, custom video drops, and time-locked reveal surprises.

Note: Real-time interactive reveal sequences with rich media handling.
Next.jsPrismaPostgreSQLVercel BlobFramer Motion
VIEW REPOSITORY
Landing PageOpen Source

EverLeaf Medical Center

Clean, accessible healthcare facility web experience featuring specialized clinical department directories, appointment scheduling flows, and semantic SEO.

Note: Mobile-first design with 100/100 accessibility and structured medical metadata.
HTML5CSS3JavaScriptResponsive DesignSchema.org
VIEW REPOSITORY
GITHUB // @BEKIONE

OPEN SOURCE & CONTINUOUS CODE CRAFT

GITHUB PROFILE
YEARLY CONTRIBUTIONS
2,825ACTIVE
PUBLIC REPOSITORIES
34+
ACHIEVEMENTS
Pull Shark (x2) • YOLO
NETWORK
15 FOLLOWERS
ACTIVITY CADENCE // GITHUB DATA
LessMore
06 //

GET IN TOUCH

DIRECT COMMUNICATION & INQUIRIES

Let's build something deliberate.

Whether you need a senior frontend engineer for a high-concurrency SaaS platform, an AI pipeline specialist, or an architect to fix latency in an enterprise system, I am open to discussing projects.

LOCATIONAddis Ababa, Ethiopia
LOCAL TIME (EAT // UTC+3)10:35:51
DISPATCH INQUIRYRESEND & CLOUDFLARE ACTIVE
0 / 3000
SECURITY VERIFICATION
AES / TLS ENCRYPTED DISPATCH