System Design
Planning how application layers, services, databases, integrations, and infrastructure fit together.
- Data models
- API design
- System workflows
Software Engineer · Saudi Arabia
I’m Siddeg Omer,a full-stacksoftware engineer.
I work across frontend and backend development, including interfaces, application logic, APIs, databases, real-time features, and integrations. This portfolio presents a selection of the products and systems I have worked on.
- Based in
- Saudi Arabia
- Work Experience
- 4+ years in software development
Capabilities
Areas of work
Full-Stack Development
Building frontend interfaces, backend services, APIs, and database features within the same product.
- React / Next.js
- Node.js / Python
- REST / WebSockets
Data and Real-Time Systems
Working with relational databases, caching, live updates, device data, and offline synchronization.
- PostgreSQL
- Redis
- WebSockets
Internal and Operational Software
Building dashboards and systems for permissions, reporting, alerts, records, and day-to-day operations.
- Role-based access
- Reports
- Audit logs
Technologies
Tools I have worked with
JavaScriptTypeScriptPythonJavaReactNext.jsSpring BootNode.jsNestJSFastAPIDjangoPostgreSQLMySQLMongoDBSQLiteRedisAWSDockerApache KafkaTestcontainersWebSocketsThingsBoardTailwind CSSRTL / Arabic UI
Selected Work
Selected software projects and engineering work.
Some projects are presented through system diagrams and workflow maps where client details or product screenshots cannot be shared.
01Public
Affiliate Marketing · Frontend Engineering · RBAC
Expand / AmnAds
A frontend platform spanning a bilingual public website and private role-based dashboards for affiliate marketing operations.
ReactNext.jsTypeScript
View case study 02Public
Public Website · Corporate Frontend
Primus Trading & Investment Website
A responsive corporate website translating a multi-domain technology company into a clear public presence.
ReactNext.jsTypeScript
View case study 03Confidential
Fuel Operations · IoT · Reconciliation
Fuel Custody & Reconciliation Platform
A full-stack operational platform for tracing, authorizing, and reconciling fuel movement across field infrastructure.
DjangoPostgreSQLRedis
View case study 04Confidential
IoT · Telemetry · Operational Control
Inseejam IoT Operations Platform
A real-time IoT platform for telemetry, scheduling, device health, and remote operations across distributed branches.
ReactNext.jsTypeScript
View case study 05Confidential
Healthcare · RBAC · Workflow Systems
Hospital Operations Platform
A role-based platform connecting registration, clinical, pharmacy, billing, and administrative workflows.
FastAPIPythonPostgreSQL
View case study 06Confidential
Fintech · Edge Computing · Real-Time Systems
Real-Time Cash Management System
An offline-first edge-to-cloud system linking POS, cash deposit machines, cloud events, and live operations.
Node.jsAWS LambdaAPI Gateway
View case study 07Public
Financial Systems · Distributed Processing · Backend Engineering
LedgerOps
Follow one Payment from request to Provider evidence, balanced Ledger posting, Settlement, Reconciliation, and controlled Correction.
Java 21Spring BootSpring Modulith
View case study Selected Clients
Built with teams across different industries.
Experience
Where I’ve worked and what I contributed.
Jul 2025 — May 2026
Primus Trading & Investment
Software EngineerDammam, Saudi Arabia
Worked on enterprise software across fuel operations, cash-management infrastructure, healthcare systems, and public company web presence.
Jan 2025 — Jun 2025
Insejam
Frontend EngineerRiyadh, Saudi Arabia
Contributed to IoT operations software for distributed physical assets, telemetry, scheduling, and real-time branch visibility.
Nov 2024 — Jun 2025
AmnAds / Expand
Frontend EngineerRiyadh, Saudi Arabia · Remote
Delivered responsive landing pages and dashboard interfaces using React, Next.js, TypeScript, Tailwind CSS, and Arabic/RTL-aware implementation.
May 2024 — Aug 2024
Dataline
Full Stack EngineerDoha, Qatar
Built full-stack web applications including admin dashboards and ecommerce platforms using React, Node.js, Next.js, TypeScript, and MongoDB.
2021 — 2024
Freelance & Contract Projects
Software DeveloperSaudi Arabia · Sudan · Remote
Delivered websites and client-facing applications for companies across Saudi Arabia, Sudan, Qatar, and remote engagements.
Contact
Let’s build systems that solve real problems.
Open to software engineering opportunities where full-stack execution, reliability, and product thinking matter.