Ibrahim Suleiman

Backend Software Engineer | .NET Specialist

Architected SaaS platforms serving 15,000+ users with 99.9% uptime. Delivered C# .NET systems that reduced processing time by 40% and achieved 98% accuracy improvements across enterprise operations.

15,000+ Users Served
99.9% Uptime
98% Accuracy
Ibrahim Suleiman - Backend Software Engineer

About Me

Backend Software Engineer who architects solutions that scale

Backend Software Engineer who designs and ships production SaaS platforms using C# and .NET. Architected secure APIs supporting thousands of concurrent users while maintaining sub-second response times and 99.9% availability.

Delivered Cash Management Systems processing transactions for 5,000+ daily users and Vehicle Management Systems tracking 3,000+ fleet assets. Optimized database queries that cut processing time by 40% and implemented validation logic achieving 98% accuracy rates.

Led development teams through complete software lifecycles while establishing coding standards and deployment pipelines. Transformed business requirements into technical specifications that delivered measurable ROI and operational efficiency.

Production Scale

Shipped systems serving 15,000+ users with 99.9% uptime

Performance Engineering

Optimized systems achieving 98% accuracy and 40% faster processing

Technical Leadership

Directed full development cycles coordinating 5-10 engineers

Professional Experience

Architecting production systems and directing development teams

July 2024 – July 2025

Software Engineer (Contract)

Pillarsalt Solutions

  • Launched end-to-end Cash Management System serving 5,000+ users, boosting transaction accuracy to 98% and cutting reconciliation time by 40%
  • Architected Vehicle Management System tracking 3,000+ fleet assets, automating maintenance workflows and eliminating 30% of downtime
  • Directed complete development lifecycles across multiple applications, coordinating 5–10 engineers and maintaining 99.9% uptime post-launch
Jan 2024 – Jun 2024

Software Engineer (Contract)

Trez Tech

  • Deployed authentication system with Microsoft Identity and role-based access control, strengthening security protocols and accelerating user management by 40%
  • Engineered product management features including pagination and filtering, accelerating data retrieval by 25%
  • Authored comprehensive API documentation with Swagger, cutting developer onboarding time in half
Oct 2022 – Dec 2023

Software Developer (Full-Time)

AcrossMart Ltd

  • Directed technical development of e-commerce platform using WordPress, WooCommerce, Elementor, and custom solutions
  • Optimized codebase and compressed images, slashing page load time by 76%
  • Synchronized front-end and back-end systems across engineering teams, ensuring zero-downtime deployments
Mar 2022 – Oct 2022

Software Developer (Full-Time)

Zenith Computer Institute

  • Developed learning platform serving 130+ students with real-time progress tracking and assessment tools
  • Coded responsive interfaces using HTML5, CSS3, Tailwind CSS, and ES6+ JavaScript with mobile-first design principles
  • Automated internal development workflows, generating cost savings of ₦600,000 annually

Featured Projects

Production-grade systems with quantified business impact

EbeeGadgets - Inventory Management System

EbeeGadgets

Device-Level Inventory Management System

Specialized system for serialized electronics tracking devices by IMEI, serial, or MAC. Features advanced real-time authorization for granular permission control and audit-ready logging.

70% reduction in record-keeping errors Full audit compliance
.NET 8 EF Core SQL Server MVC
College Portal System

Kano State College Portal

Academic Management System

Full-stack academic portal for online registration and admin workflows with role-based access, session management, and dynamic registration.

30,000+ applicants yearly 50% faster processing
ASP.NET Core MVC SQL Server
POS Terminal Management System

POS Terminal Management System

Enterprise-grade POS Management

Comprehensive solution featuring wallet management, dispute resolution, audit logging, and fraud detection capabilities.

10,000+ users 98% accuracy improvement 40% faster reconciliation
.NET 8 EF Core SQL Server
GSMBazaar Marketplace

GSMBazaar

Mobile Device Marketplace

Classifieds marketplace exclusively for mobile devices with vendor & admin dashboards, caching optimization, and anti-spam reporting systems.

40% reduction in spam 60% faster page loads
ASP.NET Core MVC EF Core Redis
Snackify Platform

Snackify

Mobile-First Ordering Platform

Snack availability notifications platform connecting vendors with customers, featuring real-time vendor-to-customer notifications and mobile-optimized interface.

100+ vendors 3,000+ active customers
.NET 8 Web API PostgreSQL React Native FCM
CodeStash Platform

CodeStash

Code Snippet Management Platform

Secure platform for managing and sharing code snippets with syntax highlighting for 40+ languages, OAuth integration, and advanced caching.

65% faster retrieval 40+ languages supported
ASP.NET Core MVC SQL Server Identity OAuth

Technical Skills

Specialized in backend technologies and production development

Languages

C# (.NET) JavaScript TypeScript

Frameworks & Tools

ASP.NET Core .NET Web API Blazor MVC EF Core Dapper RabbitMQ Docker Swagger

Databases

MS SQL Server PostgreSQL MySQL SQLite MongoDB

Web Technologies

HTML CSS Tailwind CSS Bootstrap

DevOps & Tools

Git GitHub BitBucket CI/CD Redis Identity/OAuth

Methodologies

Agile SDLC Clean Architecture API Design

Let's Discuss Your Next System

Available for backend engineering opportunities and technical consultations