Available for new opportunities

Hello, I am

Sheheryar Hussain

Full-Stack Software Engineer

Results-driven Full-Stack Software Engineer with 4+ years building scalable enterprise-grade web, mobile, and backend systems using .NET Core, C#, Flutter, and SQL Server. Experienced in ERP-integrated platforms, logistics systems, offline-first applications, and high-performance APIs used in production. Strong background in software architecture, authentication, data synchronization, and cross-platform development. Currently based in Nürnberg, Germany — improving German (A1).

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About Me

Results-driven Full-Stack Software Engineer with 4+ years of experience building scalable enterprise-grade web, mobile, and backend systems using .NET Core, C#, Flutter, and SQL Server. I deliver end-to-end solutions including APIs, offline-first mobile apps, and ERP integrations.

I balance strong software architecture and engineering practices with practical delivery — owning features end-to-end, optimizing performance, and mentoring junior engineers in Agile teams.

Leadership
Led cross-functional teams to deliver product outcomes.
Ownership
Drive initiatives end-to-end from idea to production.
Impact Driven
Prioritize measurable business impact and quality.

Career Journey

Milestone Year 04/2025 – Present
04/2025 – Present
Freelance Full-Stack Software Engineer
Lead full-stack projects; architecture, APIs, and performance optimization.
Milestone Year 04/2025 – Present
04/2025 – Present
Software Developer (Remote) @ I-SPLENDID
Built cross-platform apps and backend APIs with offline sync.
Milestone Year 12/2024 – 02/2025
12/2024 – 02/2025
Software Engineer @ Hub 360
Worked on payment features and integrations.
Milestone Year 01/2023 – 12/2024
01/2023 – 12/2024
Software Developer @ I-SPLENDID
Led development of an offline-capable POS integrated with ERP.
Milestone Year 07/2022 – 12/2022
07/2022 – 12/2022
Dot Net Developer @ Objectual Systems LTD
Built and optimized backend services for high-concurrency systems.
Milestone Year 10/2021 – 06/2022
10/2021 – 06/2022
Dot Net Developer @ Office Automation Service
Implemented .NET Core APIs for logistics automation.

Frontend Engineering

Advanced

Modern UI architecture, reusable design systems, and responsive user experiences.

Angular TypeScript Tailwind CSS RxJS Ng-Zorro Responsive Design

Mobile & Cross-Platform

Advanced

Cross-platform mobile applications with offline-first patterns and performant native-like UX.

Flutter Dart GetX Offline-First SQLite Cross-Platform UI

Backend & APIs

Advanced

High-performance service development, integration patterns, and secure API design.

.NET Core ASP.NET MVC REST APIs Auth & RBAC Integration Services Caching

Cloud & DevOps

Strong

Deployment automation and production-readiness for reliable software delivery.

Docker CI/CD Pipelines Azure Linux Release Strategies Monitoring

Databases & Persistence

Strong

Schema design, query optimization, and persistence strategies for scalable data layers.

SQL Server PostgreSQL MongoDB Entity Framework Indexing Data Modeling

Architecture & Quality

Advanced

Engineering standards, code quality practices, and long-term maintainability.

Clean Architecture SOLID Principles Testing Strategy Code Reviews Performance Tuning Refactoring

Tooling & Delivery

Strong

Developer tooling and workflow orchestration that accelerates product iteration.

GitHub Actions Postman Swagger VS Code Linting Automation Scripts

Work

Selected Client Engagements

Selected projects and case studies showcasing enterprise systems, offline-first mobile apps, and high-performance APIs.

*Due to client confidentiality agreements and intellectual property ownership, source code and certain implementation details are not publicly available.*

Logistic Hub

Tech Lead & Solution Architect • 04/2025 – Present

Enterprise logistics and transportation management platform that streamlines shipment operations and automates workflows. Led architecture and development of scalable backend services, secure authentication, and workflow modules for logistics and supply chain operations.

Key Contributions

  • Designed and implemented scalable RESTful APIs.
  • Architected authentication and authorization using JWT-based security.
  • Developed business workflow and operational management modules.
  • Optimized database performance and API response times.
  • Established deployment and infrastructure strategies.
Technologies:
.NET CoreSQL ServerDockerAzureJWT AuthenticationREST APIs
Logistic Hub screenshot

7AG Food Distribution

Full-Stack Developer • 2025 – Present

Food distribution and sales-management platform for distributors, sales agents, and retail partners. Built order management, inventory tracking, delivery workflows, and automation to increase operational efficiency across the distribution lifecycle.

Key Contributions

  • Developed mobile and backend application features.
  • Implemented order processing and inventory management workflows.
  • Built secure APIs and business service layers.
  • Integrated real-time notifications and user management features.
  • Contributed to system optimization and ongoing platform enhancements.
Technologies:
Flutter.NET CoreSQL ServerEntity Framework CoreGetXREST APIsFirebase Cloud MessagingJWT Authentication
7AG Food Distribution screenshot

SA-POS (Enterprise Point of Sale)

Software Engineer • 01/2023 – 12/2024

Enterprise Point-of-Sale solution integrated with ERP systems and designed for offline-first retail environments. Enables uninterrupted transactions, local persistence, and reliable synchronization between distributed stores and central systems.

Key Contributions

  • Implemented offline-first architecture and synchronization workflows.
  • Developed transaction processing and inventory management modules.
  • Integrated POS operations with ERP systems.
  • Optimized local storage and background synchronization processes.
  • Enhanced system reliability for low-connectivity environments.
Technologies:
FlutterSQLiteREST APIsERP IntegrationOffline Synchronization
SA-POS (Enterprise Point of Sale) screenshot

Order Booker

Mobile Application Developer • 2023

Sales-force automation and order-management app for field teams. Provides customer management, product catalog, order booking, and reliable synchronization between mobile devices and central systems.

Key Contributions

  • Developed mobile application features and user workflows.
  • Implemented offline order processing capabilities.
  • Designed synchronization mechanisms for reliable data transfer.
  • Enhanced application performance and usability for field operations.
Technologies:
FlutterSQLiteREST APIsOffline StorageData Synchronization
Order Booker screenshot

Splendid Accounts (ERP Integration)

Backend Developer & Integration Engineer • 2022 – 2024

ERP and accounting integration work focused on financial operations, inventory management, and automation. Delivered secure integration services and reliable data-exchange workflows between enterprise systems and external applications.

Key Contributions

  • Developed integration services and backend APIs.
  • Implemented inventory and accounting synchronization workflows.
  • Automated reconciliation and data processing operations.
  • Improved reliability and consistency of enterprise data exchange.
Technologies:
.NET CoreC#SQL ServerEntity Framework CoreREST APIsERP Integration
Splendid Accounts (ERP Integration) screenshot

PayMyTuition

Software Engineer (Feature Development) • 12/2024 – 02/2025

Contributed feature development and frontend integration for an international tuition-payment platform. Improved user experience, workflow efficiency, and platform reliability across payment flows.

Key Contributions

  • Developed and integrated frontend features.
  • Improved payment workflow usability and reliability.
  • Collaborated with cross-functional teams on platform enhancements.
  • Supported testing and quality assurance initiatives.
Technologies:
Frontend DevelopmentAPI IntegrationPayment SystemsTesting & Quality Assurance
PayMyTuition screenshot

Career Path

Experience

04/2025 – Present

Freelance Full-Stack Software Engineer

Logistic Hub (Freelance)

Designed and developed a complete logistics management platform using .NET Core and SQL Server. Built scalable REST APIs, authentication, and workflow modules. Managed deployment, VPS hosting, and CI/CD pipelines while optimizing API performance for high-volume workflows.

.NET Core C# SQL Server APIs Deployment Performance
04/2025 – Present

Software Developer (Remote)

I-SPLENDID

Develop cross-platform applications with Flutter and backend APIs in .NET Core. Implement offline-first patterns, synchronization strategies, and enterprise integrations.

Flutter Dart .NET Core Offline Sync API Design
12/2024 – 02/2025

Software Engineer

Hub 360

Contributed to PayMyTuition platform features, worked on integrations, testing, and frontend improvements focused on user experience.

Frontend Integration Testing
01/2023 – 12/2024

Software Developer

I-SPLENDID

Led development of SA-POS, an enterprise offline Point-of-Sale solution integrated with ERP systems. Implemented synchronization strategies and optimized application architecture for high throughput.

Flutter Offline Sync ERP Integration SQL Server
07/2022 – 12/2022

Dot Net Developer

Objectual Systems LTD

Built backend services for high-concurrency platforms and optimized server-side components for performance and scalability.

.NET Core C# Performance
10/2021 – 06/2022

Dot Net Developer

Office Automation Service

Implemented .NET Core APIs for shipping automation and package tracking systems, optimizing database queries and background processing workflows.

.NET Core Web API SQL Server

Collaboration

Let's Work Together

Have a project in mind or want to collaborate? I'd love to hear from you. Let's create something exceptional together.

Phone
+49 1521 0419643
Location
Nuremberg, Germany
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