Queen Nduji, SWE
About
Portfolio
Resume
Stack
Backend
8+
yrs
C# / .NET
ASP.NET Core, .NET Framework, .NET 6, .NET 8
5+
yrs
REST APIs & Microservices
API design, API Gateway, distributed systems
5+
yrs
Entity Framework Core & Dapper
Data access, LINQ, schema design
5+
yrs
SQL Server & Redis
Database design and performance optimization
Cloud & DevOps
3+
yrs
Azure
Functions, Logic Apps, Storage, Azure DevOps
3+
yrs
Messaging
Kafka, Azure Service Bus, RabbitMQ
3+
yrs
Docker & CI/CD
GitHub Actions, Azure Pipelines
Testing & Frontend
3+
yrs
Testing
NUnit, NSubstitute, Testcontainers
8+
yrs
WPF & Xamarin.Forms
WPF, Xamarin.Forms
1+
yrs
Razor & Web UI
Razor, HTML/CSS/JS
1+
yrs
React & Next.js
React, TypeScript, Next.js
Experience
U-Haul International Inc
Software Developer
June 2026 - Present
Develop and maintain C#/.NET backend services and enterprise applications supporting customer, equipment inventory, availability, and communication systems, delivering production features and bug fixes across multiple independently deployed applications
Diagnose and resolve data integrity and business-logic issues across SQL Server, PostgreSQL, and Kafka/Avro event-driven workflows, improving the accuracy and reliability of equipment inventory and availability data
Eliminated an N+1 database query pattern in a customer review workflow, replacing repeated database calls with more efficient data retrieval and in-memory matching
Investigate production and integration issues using Kibana, Dynatrace, WCFStorm, Postman, SQL Server, and pgAdmin, tracing requests and data across services to identify root causes and validate fixes
BankMobile Technologies, now First Carolina Bank
Senior Software Engineer
October 2021 - October 2025
Developed and maintained C#/.NET microservices and REST APIs for a multi-tenant digital banking platform, delivering customer-facing capabilities including Wire Transfers, Card Services, Stop Payments, Bill Pay, and account management
Contributed to the modernization of a monolithic banking platform into a microservices-based architecture, developing and integrating distributed services deployed in Microsoft Azure
Built and integrated backend services using C#, .NET Core, Web API, Azure Service Bus, SQL Server, and Redis, supporting asynchronous communication and data exchange across banking services and external systems
Integrated with third-party banking and financial APIs, implementing business rules, authentication, validation, error handling, and transaction workflows for production financial services
Built and maintained 2,000+ unit and integration tests using NUnit, NSubstitute, and Testcontainers, improving automated coverage and reducing regression risk across critical banking workflows
Monitored and troubleshot production applications using Datadog, investigating logs, service failures, data issues, and integration errors across distributed services to identify root causes and restore functionality
Developed and maintained cross-platform iOS and Android banking features using Xamarin.Forms, C#, XAML, and MVVM, integrating REST APIs and supporting secure authentication, bill pay, cards, and digital-wallet functionality
Bold Group
Software Engineer
June 2020 - October 2021
Designed and built fault-tolerant backend services using ASP.NET Core, supporting billing, invoicing, work orders, and workforce management workflows
Led development of Time and Attendance functionality, enabling employee clock-in/clock-out tracking and automated work hour calculations
Fixed N+1 query issues in Entity Framework Core and implemented HTTP response compression, cutting API latency by 40% (850ms to 510ms)
Developed mobile clock-in, clock-out, and attendance-tracking features using Xamarin.Forms, C#, XAML, and MVVM for a cross-platform iOS and Android application
Western Enterprises
Software Engineer
March 2019 - June 2020
Built WPF desktop applications using C#, XAML, and MVVM to support real-time device configuration, calibration workflows, and data visualization for industrial instrumentation systems
Implemented real-time data processing and device communication features, enabling accurate measurement, configuration, and analysis of hardware devices
Collaborated with hardware and engineering teams to troubleshoot device integration and data accuracy issues, improving system reliability and performance
Cleveland Clinic
Associate Software Developer
May 2018 - March 2019
Developed SQL and regex-based data transformation pipelines to clean and standardize Epic clinical data and other healthcare datasets, improving data quality for analytics and reporting
Migrated SQL Server stored procedure logic to Teradata by implementing Java-based stored procedures using JDBC, enabling continued processing of UMLS clinical terminology data during an enterprise data warehouse migration
Education
Cleveland State University
Master of Science in Computer Science, GPA: 3.8/4.0
January 2016 - May 2019
University of South Alabama
Bachelor's Degree, Accounting
2010 - 2014