Available for Advisory & Enterprise Architecture

Gerald NUPA

Senior .Net Solutions & Enterprise Consultant

Founder & Principal at 3KLAPS Business Solutions Ltd. Designing resilient, scalable backend ecosystems, distributed .NET microservices, and modernizing mission-critical enterprise platforms for high-throughput operational stability.

16+
Years Incorporated Experience
100%
Enterprise Delivery Focus
99.9%
System Uptime Standards
3klaps-core-stack.sys
// Enterprise architectural focus
const architectProfile = {
  entity: "3KLAPS Business Solutions Ltd",
  lead: "Gerald Nupa",
  focus: [
    "Distributed Backend Architecture",
    "High-Concurrency Performance",
    "Reliability & Disaster Recovery"
  ],
  registered: "England & Wales (06590546)"
};
Primary Engine .NET 8/9 & C#
Data Persistence SQL Server / Dapper
Infrastructure Cloud & On-Prem VPS

Architecting Stability Through Precision

Since incorporating 3KLAPS Business Solutions Ltd in 2008, I have partnered with organisations requiring robust software backends capable of withstanding high concurrent load, complex regulatory demands, and continuous scaling.

"Software architectures should be built like civic infrastructure: predictable, thoroughly tested, and designed to perform reliably when demands peak."

About Me

Engineered for High-Stakes Enterprise Performance

I am a Senior Solutions Architect and Lead Backend Consultant with deep practical experience designing, architecting, and operating complex distributed applications. My engagements center on modernizing enterprise software, orchestrating resilient domain-driven designs, and establishing automated continuous delivery pipelines.

Through 3KLAPS Business Solutions, I bring a hands-on, pragmatic technical leadership style. Whether re-architecting monolithic database systems to handle exponential transaction volumes, engineering event-driven microservices, or building custom enterprise management platforms, my focus is always on zero-downtime reliability and tangible business ROI.

Architectural Leadership

Translating complex commercial requirements into clean CQRS, Domain-Driven Design, and microservices.

Performance Tuning

Identifying and resolving memory leaks, thread contention, and slow relational queries at the source.

Technical Capability

Core Skills & Enterprise Stack

Battle-tested toolchains and architectural patterns honed across real-world commercial implementations.

Backend & Languages

Modular enterprise service design using clean architecture conventions.

C# / .NET 8 & 9 ASP.NET Core Microservices REST APIs gRPC MediatR CQRS Clean Architecture
Data & Persistence

High-throughput data layers engineered for transaction integrity.

MS SQL Server Entity Framework Core Dapper Redis Caching Index Optimisation ETL & Migrations ACID Transactions
DevOps & Hosting

Automated deployments and resilient hosting environments.

Docker Azure DevOps CI/CD Pipelines IIS Server Windows VPS SSL / TLS Hardening Monitoring & Logs
Enterprise Solutions

Custom business operations tools and domain platforms.

Modular ERP Automated Billing Background Queues Hangfire Security & Auth JWT / OAuth2 Audit Logging
Consultancy Offerings

Services & Advisory Solutions

Delivering strategic clarity and direct technical execution for mid-market and enterprise organisations.

Enterprise Architecture & System Design

End-to-end architectural blueprints for enterprise systems. Specializing in Domain-Driven Design (DDD), boundary definition for microservices, high-availability setups, and long-term maintainability roadmaps.

  • Microservices and distributed event topologies
  • Monolith decomposition strategies
  • Technology stack evaluation & technical governance

High-Throughput Backend & API Development

Engineered C# and .NET APIs capable of sub-millisecond serialisation, robust error isolation, and secure enterprise integration across multiple disparate client applications.

  • REST, GraphQL, and high-speed gRPC integration
  • Async processing pipelines with MediatR & message brokers
  • Strict contract validation, security headers, and rate limiting

Legacy Modernisation & Performance Tuning

Refactoring dated or poorly performing codebases without risking mission-critical operations. Enhancing database indexes, eliminating deadlocks, and migrating to modern .NET versions.

  • SQL Server stored procedure & query optimisation
  • Migration from legacy .NET Framework to current .NET LTS
  • Profiling memory allocations and thread performance

Infrastructure & Security Engineering

Securing enterprise host surfaces, automating zero-touch CI/CD pipelines, enforcing TLS/SSL compliance, and establishing solid automated backup & disaster recovery plans.

  • IIS and Windows VPS configuration & certificate automation
  • Containerisation and deployment pipelines with Azure DevOps
  • Disaster recovery simulations and automated backup routines
Connect & Engage

Initiate a Consultation

Available for technical advisory roles, enterprise contract architecture, and systems modernisation inquiries.

Direct Contact

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Confidential Email Channel
[Click below to decrypt address]
Registered Entity
3KLAPS Business Solutions Ltd
Company No: 06590546 (England & Wales)
Consultancy Base
REMOTE or United Kingdom [London, Manchester, Birmingham]
Engagement Model
Outside IR35 B2B Contracts & Executive Advisory
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