Marquis Information Services

Technology Consultancy

Designing reliable, scalable backend systems and APIs.

Marquis Information Services provides hands-on expertise in architecting, building, and optimising server-side systems. From high-volume messaging workloads to modern API-driven platforms, the focus is on practical, robust, maintainable solutions.

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Core focus

Backend architecture and API design
High-volume transactional and messaging systems
Database design, indexing, and performance tuning
Operational visibility, monitoring, and analytics

Engagement style

Available as a consulting engineer or fractional CTO for organisations needing senior backend experience without expanding internal teams.

About Marquis Information Services

Marquis Information Services is an independent technology consultancy specialising in backend engineering and data-centric systems. The practice is led by a senior engineer with decades of experience building production platforms—from early desktop software through to modern cloud-hosted APIs and developer tools.

The work is rooted in practical problem-solving: clear architecture, robust execution, proper database design, and visibility into how systems behave in the real world.

Clients range from small teams needing help establishing a new platform to larger organisations requiring specialised performance and architecture input.

At a glance

• Senior backend engineering & architecture
• Expert relational database design & optimisation
• Experience with high-volume, mission-critical systems
• Hands-on implementation & problem solving
• Comfortable collaborating across technical levels

Experience

Backend • Data • Platforms

Backend platforms & APIs

Extensive experience designing and implementing RESTful APIs and backend services in .NET, with emphasis on clarity, maintainability, and observability.

High-volume systems

Built and operated systems that handle millions of transactions reliably, with strong focus on efficiency, performance, resilience, and correctness.

Data, reporting & analytics

Strong emphasis on relational design, indexing strategy, and advanced reporting structures—delivering real-time insights and operational clarity.

Platform engineering

Experience building SaaS-style platforms including authentication, user management, subscription flows, usage tracking, and dashboards.

Technical leadership

Mentoring developers, guiding technical direction, and helping teams align engineering decisions with product priorities.

End-to-end delivery

Comfortable owning projects from concept and architecture through development, deployment, monitoring, and long-term optimisation.

Services

Consulting • Implementation • Advisory

Engagements are tailored to your needs. Below are common ways Marquis Information Services can assist.

Architecture & technical review

Independent assessment of systems, APIs, databases, and performance bottlenecks, with actionable recommendations focused on clarity and longevity.

Backend implementation

Designing and building backend systems, integration layers, background workers, and automation pipelines that fit naturally into your stack.

Performance & scaling

Identifying bottlenecks, tuning queries, profiling workloads, and improving throughput so systems can scale alongside the business.

Advisory & ongoing support

Regular guidance, planning, and technical input as your platform evolves, serving as a sounding board for key engineering decisions.

Contact

If you’d like to discuss a project or collaboration, feel free to send an email.

Email: hello@marquis.it.com

Location: South Africa • working with clients globally