Fractional CTO
Technology leadership for founders who need a clear direction, stronger decision-making and closer alignment between business priorities and engineering.
Explore advisoryScalexa Consulting · Technology Advisory
Senior Technology Advice for High-Stakes Decisions.
Senior technology advisory — fractional CTO, technology strategy, architecture due diligence and platform delivery audits — backed by 25+ years of engineering experience and 500+ projects, with standards shaped by work for Walmart, Porsche and Fortune 500 organisations.
A perspective from Gareth
Meet the founder
Gareth shares how Scalexa brings engineering experience to clear decisions and dependable outcomes.
500+ projects
delivered
25+ years of engineering experience
applied to your next decision
Fortune 500
environments
Our Expertise
Advisory Services Built on Delivery
Senior judgement for the decisions that shape technology.
Technology Strategy
A practical view of options, trade-offs and sequencing to help turn business priorities into an actionable technology direction.
Explore advisoryArchitecture Due Diligence
Evidence-led technical assessment to inform architecture choices, investment decisions or a proposed transaction.
Explore advisoryPlatform Delivery Audits
An independent review of the systems, delivery practices and risks that influence reliability and change.
Explore advisoryAI & Data Advisory
Clarify the use case, data readiness, evaluation needs and operating boundaries before committing to the next stage of AI work.
Explore advisoryEngineering Leadership
Connect engineering priorities to business decisions, make ownership visible and strengthen the path from a good idea to a dependable change.
Explore advisoryWhy Choose Scalexa
Advice Grounded
in Delivery
Scalexa Consulting brings 25+ years of engineering experience to founders and technology leaders weighing architecture, delivery and investment choices. Experience delivering for Walmart, Porsche and Fortune 500 enterprises.
Start with the decision, then work from evidence. Make uncertainty visible, clarify trade-offs and leave a practical next step.
About Scalexa25+ Years Experience
Engineering experience across complex software and platform work.
Independent Judgement
Options assessed against your context, not a preferred technology.
Board-Ready Clarity
Risks and trade-offs made clear for the people making the decision.
Direct Communication
Clear recommendations, open questions and practical next steps.
Measured Outcomes
Evidence that connects technical choices to business priorities.
Partnership Approach
Useful context for the people who will own the next move.
Our Process
From Question to Confident Decision
Clear enough to act. Rigorous enough to trust.
Discover
- Frame the decision
- Understand business priorities
- Agree scope and constraints
Timeline: At the start
Assess
- Review the available evidence
- Identify risks and dependencies
- Compare options and trade-offs
Timeline: Following discovery
Recommend
- Set out a reasoned recommendation
- Prioritise practical next steps
- Clarify ownership and decisions
Timeline: After evidence review
Support Delivery
- Keep decisions close to delivery
- Review progress against evidence
- Support the people who own the outcome
Timeline: As agreed for your scope
Case Studies
Real Problems, Real Solutions
Published technology work, with the evidence in view.
Platform resilience
Be-IQ
A safer path to production.
AWS infrastructure rescue, robust CI/CD and MongoDB resilience.
99.9%+ uptime
Read case studyDeployments reduced from hours to under 10 minutes, with zero-downtime rollback.
Data engineering
Cityblock Health
Every decimal preserved.
Centralising data in BigQuery and orchestrating with Apache Beam.
Zero data loss
Read case studyMigration delivered under budget and ahead of schedule.
AI & scientific computing
Pangea Bio
Speed without compromise.
A parallel GPU cosine-similarity engine, validated at repository scale.
~1000× acceleration
Read case study99.99% agreement with the reference implementation; published in Bioinformatics.
Testimonials
Trusted by Industry Leaders
Working with Scalexa has been amazing, they are knowledgeable and deliver on their promises.
Jake SavageFounder, NavGen.io
My project manager collaborated closely with Scalexa and reported that the experience was pleasant and productive.
Andrew SimonFounder, Klever Thoughts Inc.
Scalexa performed an excellent job in their audit and were quick and well-spoken. Highly worth their price and expertise.
Shafee HassanCTO, QOVES Studio
Frequently Asked Questions
Clarity before you commit.
Your next decision
Ready to Make the Call?
Bring the decision you need to make. Share the context and discuss a useful next step.
Get in touch
Talk to Scalexa
The quickest way to start is a free 30-minute call. Prefer to write? Send a short note and we will reply.
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