DTR Hosting
IT Consulting

A senior technical expert, exactly when you need one

On-demand IT consultant for your critical decisions: architecture, tech choices, project support, decision support. Kickoff within 5 days, no commitment.

No commitmentFree quote within 48h

Why use our IT Consulting

Kickoff in 5 days

Free scoping brief within 48h, expert operational on your topic within 5 business days. No commercial friction.

Senior profiles only

All our consultants have 8+ years of hands-on experience. No juniors billed as seniors, no pyramid scheme.

Time & material or fixed price

Pay for what you use. Hourly for ad-hoc questions, fixed price for scoped missions.

Our consulting formats

From hourly expert to scoped mission. You pick the granularity that fits your need.

Top

Expert on-demand

A senior consultant available by the hour or by the day for your ad-hoc technical questions: architecture review, tech choices, complex troubleshooting, sparring partner for your CTO.

Format
Time & material
Profile
Senior consultant (8+ years)
Indicative duration
1h to 5 days

Deliverables

  • Prepaid hour bundle (10h, 30h, 50h)
  • Written reply or call within 48h
  • Documented notes and recommendations
  • Monthly hours-consumed report
Request a quote

Architecture review

Scoped mission to challenge your target architecture before a major project: stack choice, sizing, risk points, alternatives. Deliverable directly usable in COMEX.

Format
Fixed-price mission
Profile
Senior architect
Indicative duration
5 to 10 days

Deliverables

  • Critical analysis of the proposed architecture
  • 3 quantified alternatives (TCO, complexity, risks)
  • Argued recommendation
  • COMEX / sponsor presentation
Request a quote

Sample missions

A few concrete examples of missions delivered with our clients.

Context

B2B startup - 15 people, Series A

Problem
Critical choice between 3 stacks for v2 (Node/Postgres, Go/Cassandra, Rails/MySQL). No internal architect.
Solution
7-day architecture review: decision matrix, targeted prototypes, presentation to CTO and board.
Outcome
Decision validated in 2 weeks instead of 3 months, Node/Postgres choice owned, team aligned.

Context

Enterprise IT - tech decision

Problem
Hesitation between managed Kubernetes (EKS) and Nomad/Consul for 50 micro-services. Need an unbiased external opinion.
Solution
30h expert on-demand over 4 weeks: workshops, prototype, cost/complexity benchmark, white paper.
Outcome
EKS choice validated after rigorous comparison, stack ROI documented, +1 year of autonomy for teams.

Frequently asked questions

We start with a free scoping call (30 minutes) to understand your need and identify the right profile. You receive a quote within 48h. If you approve, the expert kicks off within 5 business days.

No, our consultants are on missions. We offer hour bundles (10h, 30h, 50h) consumable over 1 to 6 months at your pace. That's precisely what makes on-demand expertise affordable.

Cloud architecture, tech choices, application security, performance, FinOps, CI/CD, observability, AI. For very specific topics (legacy mainframe, real-time embedded, etc.) we say so honestly and refer you to the right expert.

Let's talk about your project

A 30-minute call to understand your stakes and propose the right approach.

IT Consulting - On-demand technical expert & architecture review | DTRHOSTING | DTR Hosting