01
Backend & API development
Design and implementation of REST APIs, integration layers, background workers, internal tools and secure platform services.
Senior Technology Consultancy
Backend systems, APIs and platforms built with clarity.
Marquis Information Services helps businesses design, build and improve the systems behind their products: robust APIs, high-volume data flows, database-backed platforms, dashboards and operational tooling.
30+ yrsSoftware engineering and architecture experience
High volumeTransactional messaging and platform workloads
Hands-onArchitecture, implementation and support
What we do
Practical engineering support for business-critical systems.
Support can be short-term and focused, or ongoing where your team needs senior technical input without hiring permanently.
02
Architecture review
Independent assessment of existing systems with clear recommendations on structure, maintainability, risk and technical direction.
03
Database optimisation
Relational database design, query tuning, indexing strategy and reporting structures built for speed, reliability and insight.
04
Fractional CTO support
Senior-level guidance for founders and teams that need technical leadership, planning and grounded decision-making.
✓
High-volume transactional systems
Experience with messaging and business systems where correctness, throughput and uptime matter.
✓
Production-grade .NET platforms
Backend services, APIs, dashboards and internal platforms designed for real operational use.
✓
Data-driven decision tools
Reporting, analytics and monitoring that give business owners and teams the visibility they need.
✓
Clear technical communication
Technical leadership that translates complexity into practical options, risks and next steps.
How engagements work
A calm, structured approach to technical improvement.
Understand
Clarify the business goal, current architecture, constraints and pressure points.
Diagnose
Identify the highest-impact issues: design gaps, bottlenecks, risks or missing visibility.
Implement
Build, refactor or guide the work using practical engineering suited to the environment.
Stabilise
Document, monitor and support the system so the improvement carries forward.
Need a senior technical partner for your platform?
Based in South Africa and available to work with clients globally. Send a short note about the system, challenge or idea you want to discuss.