Technical rescue and platform modernisation
When important software becomes difficult to trust.
Yeti helps businesses understand, stabilise and improve web applications, SaaS platforms and operational systems that have become unreliable, ageing, poorly documented or difficult to change.
We start by finding out what is actually wrong. We then agree whether to stabilise the existing platform, modernise it in stages, replace selected parts or leave working software alone.
- Technical review
- Stabilisation
- Phased modernisation
- Ongoing engineering
You do not need a perfect diagnosis
Start with what you are seeing.
Clients rarely arrive with a neat technical brief. They arrive because releases feel risky, faults keep returning, development has slowed down or nobody is completely confident about how the platform works.
You can begin by explaining the symptoms, what the software supports and what the business cannot afford to lose. The technical investigation comes next.
You may be here because:
- Small changes take much longer than they should.
- Releases regularly introduce new faults.
- Important knowledge sits with one person or supplier.
- The codebase has little useful documentation.
- Integrations fail or are difficult to change.
- The current framework or hosting limits further development.
- A rebuild has stalled or become difficult to control.
- Production incidents are hard to diagnose.
- The business depends on software the team no longer fully understands.
- You need an independent view before making a larger investment.
Our starting point
Keep what works. Change what is holding the product back.
A full rewrite can sometimes be the right decision, but it is not our default recommendation.
Existing software often contains years of useful business logic, operational knowledge and working integrations. Replacing all of it at once can introduce more risk than it removes.
Yeti reviews the product, code, infrastructure, data, integrations and delivery process before recommending a route forward. The objective is not to produce the largest possible project. It is to make the software dependable and changeable again.
Route one
Stabilise
Address immediate faults, release risks, security concerns and operational gaps so the existing service can run more reliably.
Route two
Modernise
Improve the platform in controlled stages while preserving the parts that continue to serve the business well.
Route three
Replace
Build a replacement around the real workflows and migrate users, data and integrations through an agreed transition plan.
The right answer may include more than one route.
The initial technical review
Understand the platform before committing to the cure.
A technical rescue can begin with a bounded review of the current product and delivery position. The exact scope depends on the system, available access and the decisions the business needs to make.
What we may examine
Product and operations
- What the software supports
- Critical customer and internal journeys
- Operational dependencies
- Known incidents and recurring problems
- Business deadlines and constraints
Software and data
- Application architecture and source code
- Business rules and data flows
- APIs and third-party integrations
- Database structure and migrations
- Test coverage and technical documentation
Delivery and infrastructure
- Hosting and cloud configuration
- Environments and deployment process
- Monitoring, logging and alerts
- Access, ownership and security controls
- Backlog, release process and team responsibilities
Access is agreed in advance and should follow the principle of least privilege. A review does not require unrestricted production access where that is unnecessary.
What you receive
A decision document, not a pile of technical observations.
The review should help business and technical stakeholders understand the same situation and make an informed decision about what happens next.
01
Plain-English findings
A clear explanation of the most important issues, their likely causes and why they matter to the business.
02
Immediate risk priorities
The issues that need prompt attention to protect reliability, data, security or delivery.
03
Options and trade-offs
A comparison of stabilisation, modernisation and replacement options, including dependencies and material risks.
04
Prioritised roadmap
A sequenced plan separating urgent work, enabling work and longer-term product improvement.
05
Target technical direction
Where appropriate, a proposed architecture, integration, data or infrastructure direction for the next stage.
06
Delivery and ownership plan
A clear view of responsibilities, decisions, access, documentation and how the work could be delivered.
The final review scope and deliverables are agreed before work begins.
A clear route forward
From uncertainty to controlled delivery.
Step 1
Understand
We establish what the software does, what must keep working, where the known problems sit and what the business needs to achieve.
Step 2
Prioritise
We separate immediate operational risks from deeper technical constraints and agree what needs attention first.
Step 3
Stabilise and improve
We deliver work in reviewable stages, protecting live operations and avoiding a large irreversible change where a safer route exists.
Step 4
Transfer and continue
We document the platform, clarify ownership and either continue supporting it or leave the client and its team able to move forward with greater confidence.
The work after the review
Practical engineering, not just recommendations.
Where Yeti is the right team to carry out the recovery, the work can include the product, application, data, integration and infrastructure changes needed to make the plan real.
Stability and operations
- Recurring fault investigation
- Production issue remediation
- Monitoring, logging and alerting
- Backup and recovery improvements
- Operational runbooks
Application modernisation
- Framework and dependency upgrades
- Codebase restructuring
- Test and release improvements
- Performance work
- Accessibility and interface remediation
Data and integrations
- API repair and replacement
- Integration modernisation
- Data migration and reconciliation
- Database improvements
- Clearer service boundaries
Cloud and delivery
- Environment separation
- Deployment automation
- Infrastructure modernisation
- Access and secrets management
- Release and rollback controls
Product and user experience
- Workflow simplification
- Removal of avoidable friction
- Administration and support tooling
- Product analytics and event design
- Prioritisation around commercial value
No blame. No forced handover.
We can work with the people who already know the product.
Technical rescue does not need to begin by replacing the current team or supplier.
Where relationships remain workable, Yeti can collaborate with internal developers, product owners, infrastructure teams and existing partners. Their knowledge may be essential to understanding the platform and reducing risk.
Where a handover is required, we make access, responsibilities, documentation and decision-making explicit rather than relying on an abrupt transfer of knowledge.
Listen before changing
People close to the platform often know where its real constraints and workarounds sit.
Protect live operations
Recovery work is planned around the service the business still needs to run.
Document as we go
Important decisions, dependencies and operational knowledge should not remain in one person's head.
Be clear about ownership
Clients should understand who is responsible for the code, infrastructure, releases, incidents and next decisions.
Practical by design
No automatic rewrite. No invented certainty.
A difficult platform needs honest decisions. That sometimes means recommending less work, delaying a replacement until the business is ready or identifying that another specialist is better suited to part of the problem.
- We will not recommend a complete rewrite before understanding what already exists.
- We will not promise zero risk or uninterrupted service where the evidence cannot support that promise.
- We will not hide uncertainty behind unnecessary terminology.
- We will not change production systems without agreed access, controls and responsibilities.
- We will not criticise a previous team simply to make a new engagement look necessary.
- We will say where Yeti is not the right team for the work.
Who you work with
Senior people remain involved when the decisions are difficult.
Technical rescue combines commercial, product, delivery and engineering decisions. Clients work directly with the people responsible for making and delivering those decisions.
Commercial and product direction
Craig Heyworth remains involved in defining the business problem, priorities and major product decisions.
Delivery and operations
Chris Lloyd coordinates the engagement, delivery planning and the commitments made to the client.
Technical leadership
Yeti's technical leads review the architecture, engineering approach, infrastructure and material technical decisions.
Ways to start
Begin with the level of help the situation needs.
Independent technical review
A defined assessment for organisations that need a clearer understanding of the current platform and their realistic options.
Suitable for
- Investment or board decisions
- Supplier transitions
- Stalled rebuilds
- Unclear technical risk
Stabilisation programme
A focused engagement to address urgent reliability, release, operational or security concerns while the wider direction is agreed.
Suitable for
- Recurring incidents
- Risky releases
- Operational gaps
- Immediate platform constraints
Modernisation and ongoing delivery
A longer engagement to modernise or replace the platform in controlled stages and continue improving the live product.
Suitable for
- Legacy platforms
- Long-term product roadmaps
- Phased migrations
- Additional engineering capability
Scope, responsibilities, access, deliverables, dependencies, timing and fees are agreed in the applicable proposal and client agreement.
Technical rescue often connects several parts of the product.
Cloud infrastructure
Hosting, environments, deployment, monitoring and recovery for products that need dependable foundations.
Explore cloud infrastructureWeb applications and SaaS
Product, interface, application and operational software development.
Explore web application and SaaS servicesProduct and UX design
Understanding workflows and improving the parts of the product used by customers and operating teams.
Explore product and UX design services
Common questions
Questions clients ask before a technical review.
Start with the symptoms
Tell us what is becoming difficult.
You do not need a finished brief or a technical diagnosis. Tell us what the software supports, what is going wrong and what the business needs to protect or change.
One conversation is usually enough to establish whether a technical review would be useful. If Yeti is not the right team, we will say so.