ADDIS ABABA[UTC+3]/REMOTEWORLDWIDE

SYSTEMS & SOLUTIONS ARCHITECTURE

Civil Eng. & Systems Lead

NARDOST. DUBALE

Engineering reliability. Architecting intelligence.

I design and build reliable software platforms that help businesses manage operations, payments, and complex workflows. My work combines disciplined engineering standards with modern distributed cloud systems.

PHASE 03 // APPLIED WORKFLOWSWeb Streams SSE • Candidate Model Fallbacks • Programmatic SEO

Applied AI Runtimes & Operational Systems

Engineering practical software architectures powered by machine intelligence: streaming Web Stream accumulators, resilient candidate model fallback chains, and multi-tenant programmatic SEO matrices that capture high-intent commercial demand.

EXPLORE MY WORK GET IN TOUCH

Nardos T. DubaleSystems & Structural Lead

AVAILABLE FOR ROLES

SECTION // 02 — SYSTEM ARCHITECTURES ATLAS

DUAL-PLANE COMMERCIAL PLATFORMS: CLIENT VIEWPORTS & OPERATOR CONTROL ROOMS

01 // 04

01 // COMMERCIAL SPECIFICATION & DIRECTIVES

SYSTEM PLANE:

Fullstack Next.js Production Platform

Solo Built • Fullstack Production Deployment

500 t/s

Goal Cracker — Recursive Strategic AI Engine

An autonomous strategic planning engine that fractures complex objectives into atomic execution blueprints using recursive tree traversal, Web Stream token accumulators, and multi-agent reasoning.

Throughput500 t/s

Latency Goal< 38ms

Drift Rate0.00%

01.Client Viewport: Next.js 16 React 19 UI with gesture-anchored vector canvas

02.API Route Layer: Node.js serverless streaming handler with Candidate Model Fallback

03.Inference Gateway: Groq Llama 3.3 multi-model streaming via HTTP/2

04.Persistence Layer: PostgreSQL on Supabase via Prisma ORM client singleton

Next.js 16React 19TypeScriptPrisma ORMPostgreSQLGroq API

EXPLORE DEEP-DIVE SPECIFICATION

Landing & Dynamic Slogans//Landing

The entry point featuring dynamic, rotating slogans and featured examples to spark user ideation.AUTHENTIC CAPTURE

CLIENT VIEWPORT TELEMETRYSYNCHRONIZED

Runtime EngineNext.js 16 (App Router) + Groq AI

Persistence StorePostgreSQL 16 (Prisma ORM + Pooler)

Execution PipelineNative Web Streams Token Accumulator

Security ProtocolBetter Auth + Signed Session Cookies

Enterprise Headless CMS & Programmatic SEO Platform

Solo Built • Enterprise Architecture

1.8k req/s

ZEE — Programmatic SEO Engine & Enterprise CMS

An enterprise headless CMS and programmatic SEO matrix engine generating 483 localized landing routes, 184 diagnostic workflows, and real-time layout customizers with cross-app tag revalidation.

Throughput1.8k req/s

Latency Goal< 14ms (SWR Cache)

Drift Rate0.00%

01.Client Viewport: Responsive Next.js 15 App Router with zero-layout-shift UI

02.Matrix Synthesizer: 2D City × Service local landing generator with Schema.org automation

03.CMS Control Plane: Layout sequencer, symptom taxonomy, and diagnostic fault manager

04.Edge Synchronizer: Secure inter-app revalidation webhook with timing-safe HMAC checks

Next.js 15ReactTypeScriptPrisma ORMPostgreSQLTurborepo

EXPLORE DEEP-DIVE SPECIFICATION

Interactive Honeycomb Brand Matrix//Frontend

Radial 48-brand hexagonal matrix with mobile touch scrubbing.AUTHENTIC CAPTURE

CLIENT VIEWPORT TELEMETRYSYNCHRONIZED

Runtime EngineNext.js 15 (Turbopack) + Turborepo

Persistence StorePostgreSQL 16 (Pooler + Prisma ORM)

Execution PipelineHMAC Cross-App Tag Revalidator

Security ProtocolStateless NextAuth JWT + Edge RBAC

Enterprise Full-Stack Infrastructure

Solo Built • Multi-Facility Integration

Multi-Office

Logistics Manifest & Tracking Core

An enterprise logistics coordination platform featuring compound database query optimization, automated manifest audits, and sub-millisecond aggregation telemetry.

ThroughputMulti-Office

Latency Goal< 12ms

Drift Rate0.00%

01.Frontend: Next.js App Router with SSR & dynamic search filters

02.Access Gate: Stateless JWT Jose validation on edge middleware

03.Persistence: Prisma ORM with compound database indexes

04.Analytics: Recharts telemetry tracking status and office metrics

Next.jsReactTypeScriptPrisma ORMPostgreSQLJWT (Jose)

EXPLORE DEEP-DIVE SPECIFICATION

Admin Add/Edit User Form//Admin

Form for administrators to create new users or modify existing user details.AUTHENTIC CAPTURE

CLIENT VIEWPORT TELEMETRYSYNCHRONIZED

Runtime EngineNext.js App Router (SSR)

Persistence StorePostgreSQL + Prisma ORM

Execution PipelineBatch Aggregation Pipelines

Security ProtocolStateless JWT (Jose) + Edge Guards

Financial Systems Architecture

Solo Built • Client Operations Integration

Multi-Term

FinCore — Amortization & Ledger Engine

A high-precision financial transaction platform engineered with cash-rounding amortization algorithms, double-entry audit records, and strict ACID consistency.

ThroughputMulti-Term

Latency GoalAtomic

Drift RateExact

01.Presentation: React single-page interface with D3 visualizations

02.Service Core: Node.js Express REST API with Winston audit logs

03.Security Layer: Cryptographic password hashing and verified RBAC

04.Calculation: Custom rounded installment amortization algorithms

ReactNode.jsExpressMySQLJWTD3.js

EXPLORE DEEP-DIVE SPECIFICATION

Customer Dashboard//Customer

Customer's personal profile and loan summaryAUTHENTIC CAPTURE

CLIENT VIEWPORT TELEMETRYSYNCHRONIZED

Runtime EngineNode.js Express REST Core

Persistence StoreMySQL 8.0 (ACID Ledger)

Execution PipelineCash-Rounding Amortization

Security ProtocolCryptographic RBAC + Bcrypt

Landing & Dynamic Slogans

The entry point featuring dynamic, rotating slogans and featured examples to spark user ideation.100% LIVE SPEC

CLIENT VIEWPORT TELEMETRYSYNCHRONIZED

Runtime EngineNext.js 16 (App Router) + Groq AI

Persistence StorePostgreSQL 16 (Prisma ORM + Pooler)

Execution PipelineNative Web Streams Token Accumulator

Security ProtocolBetter Auth + Signed Session Cookies

Fullstack Next.js Production Platform

Solo Built • Fullstack Production Deployment

500 t/s

Goal Cracker — Recursive Strategic AI Engine

An autonomous strategic planning engine that fractures complex objectives into atomic execution blueprints using recursive tree traversal, Web Stream token accumulators, and multi-agent reasoning.

Throughput500 t/s

Latency Goal< 38ms

Drift Rate0.00%

01.Client Viewport: Next.js 16 React 19 UI with gesture-anchored vector canvas

02.API Route Layer: Node.js serverless streaming handler with Candidate Model Fallback

03.Inference Gateway: Groq Llama 3.3 multi-model streaming via HTTP/2

04.Persistence Layer: PostgreSQL on Supabase via Prisma ORM client singleton

Next.js 16React 19TypeScriptPrisma ORMPostgreSQLGroq API

EXPLORE DEEP-DIVE SPECIFICATION

Interactive Honeycomb Brand Matrix

Radial 48-brand hexagonal matrix with mobile touch scrubbing.100% LIVE SPEC

CLIENT VIEWPORT TELEMETRYSYNCHRONIZED

Runtime EngineNext.js 15 (Turbopack) + Turborepo

Persistence StorePostgreSQL 16 (Pooler + Prisma ORM)

Execution PipelineHMAC Cross-App Tag Revalidator

Security ProtocolStateless NextAuth JWT + Edge RBAC

Enterprise Headless CMS & Programmatic SEO Platform

Solo Built • Enterprise Architecture

1.8k req/s

ZEE — Programmatic SEO Engine & Enterprise CMS

An enterprise headless CMS and programmatic SEO matrix engine generating 483 localized landing routes, 184 diagnostic workflows, and real-time layout customizers with cross-app tag revalidation.

Throughput1.8k req/s

Latency Goal< 14ms (SWR Cache)

Drift Rate0.00%

01.Client Viewport: Responsive Next.js 15 App Router with zero-layout-shift UI

02.Matrix Synthesizer: 2D City × Service local landing generator with Schema.org automation

03.CMS Control Plane: Layout sequencer, symptom taxonomy, and diagnostic fault manager

04.Edge Synchronizer: Secure inter-app revalidation webhook with timing-safe HMAC checks

Next.js 15ReactTypeScriptPrisma ORMPostgreSQLTurborepo

EXPLORE DEEP-DIVE SPECIFICATION

Admin Add/Edit User Form

Form for administrators to create new users or modify existing user details.100% LIVE SPEC

CLIENT VIEWPORT TELEMETRYSYNCHRONIZED

Runtime EngineNext.js App Router (SSR)

Persistence StorePostgreSQL + Prisma ORM

Execution PipelineBatch Aggregation Pipelines

Security ProtocolStateless JWT (Jose) + Edge Guards

Enterprise Full-Stack Infrastructure

Solo Built • Multi-Facility Integration

Multi-Office

Logistics Manifest & Tracking Core

An enterprise logistics coordination platform featuring compound database query optimization, automated manifest audits, and sub-millisecond aggregation telemetry.

ThroughputMulti-Office

Latency Goal< 12ms

Drift Rate0.00%

01.Frontend: Next.js App Router with SSR & dynamic search filters

02.Access Gate: Stateless JWT Jose validation on edge middleware

03.Persistence: Prisma ORM with compound database indexes

04.Analytics: Recharts telemetry tracking status and office metrics

Next.jsReactTypeScriptPrisma ORMPostgreSQLJWT (Jose)

EXPLORE DEEP-DIVE SPECIFICATION

Customer Dashboard

Customer's personal profile and loan summary100% LIVE SPEC

CLIENT VIEWPORT TELEMETRYSYNCHRONIZED

Runtime EngineNode.js Express REST Core

Persistence StoreMySQL 8.0 (ACID Ledger)

Execution PipelineCash-Rounding Amortization

Security ProtocolCryptographic RBAC + Bcrypt

Financial Systems Architecture

Solo Built • Client Operations Integration

Multi-Term

FinCore — Amortization & Ledger Engine

A high-precision financial transaction platform engineered with cash-rounding amortization algorithms, double-entry audit records, and strict ACID consistency.

ThroughputMulti-Term

Latency GoalAtomic

Drift RateExact

01.Presentation: React single-page interface with D3 visualizations

02.Service Core: Node.js Express REST API with Winston audit logs

03.Security Layer: Cryptographic password hashing and verified RBAC

04.Calculation: Custom rounded installment amortization algorithms

ReactNode.jsExpressMySQLJWTD3.js

EXPLORE DEEP-DIVE SPECIFICATION

SECTION // 03 — AUTONOMOUS SYSTEMS SCHEMATIC

AGENTIC WORKFLOWS, MCP PROTOCOLS & ACTION-ORIENTED SOFTWARE ARCHITECTURES

01 / 04

AGENTIC WORKFLOWS

SUB-38MS INFERENCE // ZERO DRIFT

Autonomous Agent Orchestration & Tool Execution

Eliminates manual decision-making by coordinating autonomous agents that plan atomic milestones and self-correct.

Deployed In Commercial Production:Goal Cracker War Room

CASE STUDY

Engineered Capabilities & Real-World Safeguards

Model Context Protocol (MCP)100% Schema-Safe

Standardized tool & database connectors

Multi-Agent Swarm LogicZero Hallucination

Coordinated planner and reviewer agent roles

Real-Time SSE Streaming500 tokens/sec

Progressive client interface accumulation

Fail-Safe Model Cascades99.98% Continuity

Automated failover to secondary model endpoints

AUTONOMOUS ACTION PIPELINE

01 // GOAL INGESTION12ms

Multi-agent context decomposition into atomic steps

02 // MCP TOOL ROUTING18ms

Protocol handoff to database search and computation tools

03 // DRIFT AUDIT4ms

Deterministic schema validation ensuring zero hallucination

04 // UI ACCUMULATION4ms

Client-side partial token parsing rendering live execution trees

MCP_TOOL_INVOCATION_CONTRACT VERIFIED CONTRACT

{
  "agent_protocol": "mcp_v1_router",
  "task": "decompose_commercial_objective",
  "tools": ["query_material_rates", "verify_capacity_timeline"],
  "validation_guard": { "strict_schema": true, "state_drift": "0.00%" }
}

FINANCIAL INFRASTRUCTURE

0.00% ROUNDING DRIFT // ACID VERIFIED

Deterministic Financial Math & Ledger Integrity

Protects enterprise lending capital by executing balance-smoothing algorithms that prevent penny drift across custom installments.

Deployed In Commercial Production:FinCore Financial Ledger

CASE STUDY

Engineered Capabilities & Real-World Safeguards

Zero-Drift AmortizationExact Closure

Integer cash-rounding distribution algorithms

ACID Transaction CommitsZero Loss

Two-phase atomic database updates

Underwriting State MachinesDeterministic

Validated multi-stage loan risk assessment

Double-Entry Audit Trails100% Traceable

Immutable ledger logging of every capital movement

AUTONOMOUS ACTION PIPELINE

01 // INTAKE & VALIDATION3ms

State machine verification of credit parameters and bounds

02 // ROUNDING ENGINE1ms

Dynamic installment distribution absorbing fractional cents

03 // TERMINAL BALANCING1ms

Final installment reconciliation ensuring exact ledger closure

04 // TWO-PHASE COMMIT8ms

Multi-table database lock preventing double-repayment balance drift

ACID_TRANSACTION_PAYLOAD VERIFIED CONTRACT

function executeAtomicAmortization(totalPrincipal, termCount) {
  const fixedPayment = Math.ceil(totalPrincipal / termCount);
  const terminalPayment = totalPrincipal - (fixedPayment * (termCount - 1));
  return { fixedPayment, terminalPayment, drift: 0.00 };
}

CUSTOMER ACQUISITION

483 ROUTES SYNTHESIZED // SUB-5MS SWR

2D Matrix Synthesis & AI Engine Discovery (GEO/AEO)

Captures high-intent local buyers automatically by synthesizing 483 localized routes and verified Schema.org graphs.

Deployed In Commercial Production:ZEE SEO & Headless CMS

CASE STUDY

Engineered Capabilities & Real-World Safeguards

Programmatic Matrix Engine483 Live Silos

Dynamic territory and service page generator

AI Answer Optimization (GEO)Schema.org Valid

Structured graphs designed for AI engine citation

HMAC Cache PurgingZero Downtime

Timing-safe revalidation across decoupled edge apps

Turborepo Package MonorepoIsolated Runtimes

Shared UI, database, and business logic pipelines

AUTONOMOUS ACTION PIPELINE

01 // MATRIX SYNTHESIS6ms

21 Municipalities x 23 Services dynamic page parameter matrix

02 // SCHEMA GRAPH BUILD2ms

Automated JSON-LD entity graph linking local reviews and permits

03 // SWR CACHE INJECTION3ms

Sub-5ms warm page retrieval with static fixture fallback

04 // HMAC REVALIDATION14ms

Authenticated webhook clearing edge caches instantly on publish

SCHEMA_ORG_KNOWLEDGE_GRAPH VERIFIED CONTRACT

{
  "@context": "https://schema.org",
  "@graph": [{ "@type": "LocalBusiness", "name": "ZEE Service Operations", "numberOfItems": 483 }]
}

OPERATIONAL DISPATCH

SUB-12MS BATCH AGGREGATION // ZERO COLLISION

Zero-Collision Scheduling & Capacity State Machine

Prevents double-bookings and dispatch confusion across service crews through real-time capacity locks.

Deployed In Commercial Production:Logistics & Fleet Booking Core

CASE STUDY

Engineered Capabilities & Real-World Safeguards

Idempotent Submission Control0 Duplicate Books

Guaranteed single-execution booking requests

Composite B-Tree AggregationsSub-12ms Response

Prisma batch queries across historical records

Edge Authorization (Jose)Stateless Security

Cryptographic JWT claim injection at the edge

Operations TelemetryReal-Time Sync

Live container and technician status monitoring

AUTONOMOUS ACTION PIPELINE

01 // CAPACITY AUDIT8ms

Concurrent B-tree query checking technician arrival windows

02 // IDEMPOTENT LOCK2ms

Unique request tokens preventing duplicate dispatch submissions

03 // CUSTODY TRANSIT LOG4ms

Immutable timestamped transfer event with role verification

04 // REAL-TIME DISPATCH6ms

Synchronized telemetry alert pushed to field operative terminals

IDEMPOTENT_DISPATCH_CONTRACT VERIFIED CONTRACT

export async function processDispatch(payload) {
  return await prisma.$transaction(async (tx) => {
    const locked = await tx.capacity.reserve(payload.windowId);
    if (!locked) throw new Error("CAPACITY_COLLISION_PREVENTED");
    return await tx.job.create({ data: payload });
  });
}

AGENTIC WORKFLOWS

SUB-38MS INFERENCE // ZERO DRIFT

Autonomous Agent Orchestration & Tool Execution

Eliminates manual decision-making by coordinating autonomous agents that plan atomic milestones and self-correct.

Deployed In Commercial Production:Goal Cracker War Room

SPEC

Engineered Capabilities & Real-World Safeguards

Model Context Protocol (MCP)100% Schema-Safe

Standardized tool & database connectors

Multi-Agent Swarm LogicZero Hallucination

Coordinated planner and reviewer agent roles

Real-Time SSE Streaming500 tokens/sec

Progressive client interface accumulation

Fail-Safe Model Cascades99.98% Continuity

Automated failover to secondary model endpoints

SECTION // 04 — DOSSIERADAPTIVE DOSSIER

PROFESSIONAL WORK EXPERIENCE, ACADEMIC TRANSCRIPTS & CERTIFIED CREDENTIALS

01 // 04

EXPERIENCE TIMELINE2016 — PRESENT

Lead Systems & Software Architect2023 — PRESENT

Independent Client & Enterprise Solutions//Custom Commercial Platforms, Automated Portals & Growth Engines

Architecting and shipping mission-critical software directly for enterprise clients: ZEE Platform (an integrated fleet appointment booking engine, customer intake pipeline, and 483-city search capture network), Goal Cracker (an autonomous strategic planning platform running on Next.js 16 and Vercel serverless with recursive persistence), Logistics Core (a multi-facility container tracking and customs clearance portal), and FinCore (a zero-drift micro-lending amortization ledger). Enforcing milestone accountability, strict security, and architectures engineered for concrete commercial returns.

Full-Stack Web & MobileAutomated Booking EnginesSearch Traffic AcquisitionPayment & Ledger SystemsBusiness Process AutomationHigh-Availability Cloud Architecture

Software Systems Engineering Fellow2021 — 2023

ALX & Evangadi Engineering Institutes//Backend Runtimes, APIs & System Architecture

Completed 1,500+ hours of advanced systems and software engineering coursework, graduating in the top 5% of all candidates worldwide. Architected over 15 production-ready applications with focused emphasis on scalable backends, payment workflows, and stateless token authorization while leading distributed engineering teams.

Scalable BackendsAPI IntegrationDatabase ArchitectureSystem SecurityAgile Delivery

Civil Structural Engineer, Project Supervisor & Contractor2016 — PRESENT

General Construction & SIS Engineering PLC//Commercial Infrastructure, Engineering Design & Capital Management

Leading commercial building design, regulatory permitting approvals (PPSTE/5378), and active construction site execution in parallel with software engineering. Managing multidisciplinary crews, enforcing strict safety protocols, forecasting operational margins, and managing project milestones where structural integrity and profitability cannot be compromised.

Commercial Building DesignOn-Site Team LeadershipPermit & Code ComplianceMilestone & Budget ManagementSafety & Quality Assurance

EXECUTIVE PROFILELEADERSHIP & RIGOR

Career Overview

Senior Systems Architect and Full-Stack Engineer combining licensed Civil Structural Engineering rigor (PPSTE/5378) with advanced computer science research (MSc HiLCoE, 3.95 CGPA). I architect distributed platforms, high-throughput backend runtimes, and pragmatic AI integrations with the mathematical precision required to design multi-story commercial structures.

Civil Engineering Rigor Applied to Software

•Distributed systems architecture (Next.js 16, React 19, TypeScript, Node.js)
•High-precision financial ledgers with atomic ACID transactions and zero rounding drift
•Programmatic territory-scale SEO engines (483 municipal routes with Schema.org graph automation)
•Streaming AI pipelines with Web Stream accumulators and partial JSON token parsers
•Licensed commercial structural engineering, municipal permits, and site project governance (PPSTE/5378)
•Relational database design (PostgreSQL Recursive CTEs, composite B-tree indexes, connection pooling)

English, AmharicETHIOPIA (UTC+3)

ACADEMIC DEGREES// HILCOE & JIMMA UNIVERSITY

VERIFIED RECORDS

Jan 2023 — Dec 2025Very Great Distinction

Master of Science in Computer Science

HiLCoE School of Computer Science & Technology

Capstone / Thesis:

Lightweight Project Management Framework for Cost, Inventory, and Profit Tracking in Commercial Construction Enterprises

Verified Major Coursework:

›Distributed Systems Architecture
›Enterprise Database Technology
›Information Security & Compliance
›Natural Language Processing
›Business Intelligence & Analytics
›IT Project Management

Sept 2022 — Dec 2023Very Great Distinction

Computer Science Bridge Program (BSc Equivalent)

HiLCoE School of Computer Science & Technology

Capstone / Thesis:

Commercial Operations Suite — Real-time material inventory, asset allocation, and contractor accounting system

Verified Major Coursework:

›Advanced Data Structures & Algorithms
›Object-Oriented Architecture
›Relational Database Engineering
›Network Protocols & Operating Systems

2011/12 — 2015/16Very Great Distinction

BSc in Civil Structural Engineering

Jimma University (Institute of Technology)

Capstone / Thesis:

Deterministic Structural Modeling of 2B+G+12 Commercial Building — Load stress distribution, wind/seismic mitigation, and certified foundation engineering

Verified Major Coursework: