API development
Secure, documented APIs and integrations connect your products, partners and systems.
You getVersioned APIs with docs, tests and monitoring
- REST
- GraphQL
- OpenAPI
- Kong
Custom Application Engineering
Build products ready for what?s next.
We engineer web, mobile and platform applications around your users and workflows, with the performance, integrations and foundations to evolve as you grow.
Orders today0
On time0
Open issues0
- #4821Shipped
- #4822Packing
- #4823Shipped
- #4824New
Today’s route
Stop 4 of 9ETA 14:20 · 2.4 km
Jobs
- Pick up · Depot 2
- Deliver · Elm St
- Deliver · Bay Rd
- Collect returns
Delivered · Elm StSigned by J. Ortiz · photo attached
- GET/v2/orders
- POST/v2/shipments
- GET/v2/customers/{id}
- PATCH/v2/invoices/{id}
- POST/v2/webhooks
200 OK42 ms
OpenAPI 3.1documentedOAuth 2.0securedp95 48 mslatencyv2versioned
Book a lessonPick a subject and a time that suits you.Maths · Year 9
Mon
4 pmTue
5 pmThu
4 pm
Confirm booking4 pmTue
5 pmThu
4 pm
- Week 2Clickable prototype tested
- Week 6Private beta with users
- Week 12MVP live
Expense claim formSignature ______
PR
Client travel · $1,240Submitted by Priya R. · 3 receipts attached
In review- 1Submit
- 2Manager review
- 3Finance approve
- 4Paid
Cycle time5 days 6 hrsPaper forms0Audit trailEvery step
ORDER ENTRY F3=EXIT F12=CANCEL CUST NO: 004821 NAME: HALDEN FREIGHT --------------------------------------- LINE ITEM QTY PRICE STATUS 01 BRK-220 40 18.20 OPEN 02 SEAL-14 120 2.05 OPEN 03 VLV-9A 12 44.90 HOLD --------------------------------------- ENTER OPTION: _
Order 004821Halden FreightOpen
- BRK-220 brake set40$728.00
- SEAL-14 seal kit120$246.00
- VLV-9A valve12On hold
Modules migrated0 / 22Zero-downtime cut-over
- Design
- Build
- Test
- Release
Built to ship, and to last.Small releases every sprint, tested and monitored, in code your team owns.
Releases this month18Test coverage86%Uptime99.95%
- 250+
- Web and mobile products shipped
- 12wks
- Typical time to a live MVP
- 2wks
- Release cycle we work to
- 99%
- Uptime we design for
The problems we solve
If this sounds familiar, your software is fighting your business.
Custom software should create advantage, not maintenance debt. Here is what we hear from engineering and product leaders, and what changes.
“Off-the-shelf tools no longer fit how we work.”
Teams route around the system with spreadsheets and manual work.
What changes
Software shaped to your real workflow: domain modelling first, then build only what differentiates you.
“Every change takes weeks and breaks something else.”
Releases are risky, tests are thin and the architecture is undocumented.
What changes
Modern engineering practice: automated tests, CI/CD, observability and incremental modernisation of the core.
“The vendor roadmap is not our roadmap.”
Critical features sit on someone else’s backlog, at their price and pace.
What changes
Owned IP and portable code: you control priorities, hosting and the exit plan from day one.
“Our last build was abandoned halfway.”
The agency left, the code is unowned and nobody wants to touch it.
What changes
Fixed outcome milestones, working software every sprint, documentation and knowledge transfer as deliverables.
“The system can’t handle our growth.”
Performance collapses at peak and scaling means a full rewrite.
What changes
Architecture built for load: capacity modelling, cloud-native scaling and performance budgets enforced in CI.
What we offer
Products engineered for real-world use.
From first prototype to reliable platforms, we build applications around real workflows and business goals.
Mobile development
Native and cross-platform apps for customers and field teams, with offline mode and secure sign-in.
You getApps in both stores with analytics and crash monitoring
- React Native
- Flutter
- Swift
- Kotlin
Prototype & MVP development
Clickable prototypes in weeks and production-ready MVPs in months, tested with real users.
You getA launched MVP and roadmap built on evidence
- Figma
- Next.js
- Firebase
- Supabase
Web development
Customer portals, internal tools and SaaS products built for speed, accessibility and scale.
You getA fast, secure web product your team can extend
- React
- Next.js
- Node.js
- .NET
How AI uses CLEAR
Every Custom Application Engineering engagement starts with C247 CLEAR.
Explore C247 CLEAR- C ClarifyThe user problem the product should solve
- L LocateSystems, data and constraints the build must fit
- E EvaluateScope, architecture options and build-versus-buy calls
- A ArchitectStack, experience, APIs and the delivery pipeline
- R RoadmapA first release in market, then a product roadmap
How we deliver
From first prompt to AI that earns trust.
We prove value on one workflow with real users before scaling, and measure accuracy, safety and cost at every release.
-
01
CLEAR discovery
Rank use cases, map data and systems, set accuracy, safety and cost targets.
2–4 weeks -
02
Proof of value
An evaluation set and a working prototype on real examples.
Accuracy baseline -
03
Pilot in the workflow
Live with real users, guardrails and human review in place.
Value proven -
04
Scale & integrate
More workflows and users on the same foundations.
Workflow by workflow -
05
Run & improve
Quality, drift and cost monitored; feedback turned into improvements.
Ongoing
01
The team that joins
Senior people, accountable for the outcome
- AI/ML lead accountable for the system
- AI and full-stack engineers models, agents, product
- Data engineer retrieval and pipelines
- Delivery lead reports in your rituals
02
Quality & safety gates
Checked on every release, not once
- Evaluation suite run on every change
- Red-teaming and prompt-injection tests
- PII and access review including data residency
- Cost per task checked before release
03
After launch
Watched, improved and yours to run
- Monitoring quality, drift and cost
- Feedback loop from human reviewers
- Runbooks and model cards in your repo
- Hand-over or a managed run
"Think first. Then build." is not a delay before delivery. It is how we make delivery more dependable.
Technology and partners
The right models for your use case and risk.
We are model-agnostic and design for change: swap a model without rewriting the system. These are the platforms we deliver on most often, layer by layer.
Cloud
Build, deploy, and scale secure cloud infrastructure.
- AWS
- Terraform
- Docker
- Azure
- GCP
- Kubernetes
Stack decision principle: We do not force a fixed toolset. We choose technology after CLEAR clarifies the data, workflow, security posture, integration reality, operating cost, and ownership model.
Client impact
Building things that will last.
Featured work across verticals: proof that the method works beyond one flagship project.
Regional insurance carrier
Settling simple claims the same day with document AI and human review
Residential property manager
Filling vacancies faster with tenant matching and digital leasing
Online learning provider
An adaptive learning platform that keeps every learner on track
Regional logistics operator
Turning delivery data into on-time decisions across the fleet
Precision components manufacturer
Predicting machine failures before they stop the line
Multi-specialty clinic network
Cutting patient intake time in half with a clinically reviewed assistant
Digital lending platform
Same-day lending decisions with explainable risk scoring
Specialty retailer
One AI-assisted platform for every customer conversation
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Connect
Clarity before code.
We will help clarify the workflows, data, users, risks, and build path before your team commits engineering budget.
- Workflows
- Data
- Users
- Risks
- Build path