No retrieval grounding
Answers come from the model's memory, not your data — and they're confidently wrong.
We build the production system around your prototype — grounding, evals, fallbacks, cost control — and get you live in 8 weeks.
Products and teams we've engineered with
The Problem
When an AI product misbehaves, the instinct is a bigger or newer model. It rarely helps — because the failures users actually hit live in the engineering, not the model.
Answers come from the model's memory, not your data — and they're confidently wrong.
Every prompt tweak or model update can quietly degrade quality — nothing measures it.
One provider outage or rate limit and the feature simply stops — with no plan B behind it.
Token spend and response times look fine at 10 users — then both balloon at 10,000.
No traces, no alerts, no dashboards — failures stay invisible until a customer hits one.
It does nothing for any of the above. That's the gap — and it's an engineering gap.
The Self-Audit
A sample of the 30-checkpoint self-audit our engineers run on every AI product. Try these ten on your own stack.
Download the full PDF and see how your product scores.
Case Studies
A look at what our engineers have taken all the way to production — live, scaled, and in daily use.

Future Mortgage
We built an agentic AI operating system for Future Mortgage that consolidated 12+ vendor portals, slashing loan pre-approvals and verifications from days to minutes.
OptyMatch
Taking Optymatch from concept to a production-grade AI recruiting platform in 10 weeks — automating resume parsing, candidate matching, and live voice/video screening with enterprise reliability.
Nottu AI
Helping students reduce lecture stress and improve exam readiness through AI that turns every class into structured, revisable knowledge.
By the Numbers
A senior engineer reviews how your AI product is built and walks you through what production will demand of it — with a rough path and timeline to get there. The findings are yours to keep, whoever you build with.
Claim Your Free Audit →30 MINUTES · REAL ENGINEER · NO OBLIGATION
Warranty
90 daysAnything that breaks after launch in the first 90 days, we fix at no cost.
Overruns
On usWe cover the first 20% of any fixed-scope overrun ourselves.
Fit
2 weeksIf an engineer isn't the right fit, a replacement is on your project within two weeks — free.
Hire Them
6 monthsLove working with someone? After six months you can bring them in-house.
Reality Check
A demo runs in perfect conditions — one user, clean inputs, a forgiving audience. Production is the opposite: messy inputs, edge cases, concurrent traffic, costs spiking, latency climbing, the occasional confident hallucination in front of a customer.
A prototype and a product are different machines. One exists to show what's possible. The other has to hold up every time, for everyone, under load.
Non-Negotiables
These aren't aspirations — they're the minimums we enforce on every project before anything reaches your users.
Test coverage
80%+Automated tests exercise at least 80% of the code, so when something changes, the suite catches what else broke.
Deploy time
< 5 minShipping an update takes minutes, fully automated — so releases are small and frequent instead of big risky batches.
Rollback
< 2 minA bad release is reverted to the last working version in under two minutes — undone before most users ever notice.
Code review
100%No code reaches production without a second senior engineer reading and approving it — and no part of the system depends on a single person.
Critical vulns at launch
0Every release is scanned and hardened against the OWASP Top 10 before go-live. Nothing in the highest-severity category ships.
Alert response
< 1 minMonitoring detects a production problem and pages the team within a minute.
Bring whatever you have — a Lovable prototype, a half-shipped MVP, a demo that keeps stalling. You'll walk away knowing exactly what it needs.
How We Work
Four stages, each with a deliverable you can hold us to — and the discipline that makes the speed safe.
We map the fragile points in your build and what production will actually require of it.
Week 1Grounding, fallbacks, evals, cost and latency controls — the plumbing demos skip.
Week 2-4Real data, real load, with observability designed in from day one.
Week 4-7Documentation, dashboards, and knowledge transfer so your team owns it.
Week 8Speed without rigor is just faster failure. AI compresses our timeline — the testing, security, and architecture stay non-negotiable.
The Difference
It gives a good answer when you run the demo script — nothing checks how it does on everything else.
Every change is scored against test cases, and anything that makes answers worse is blocked before it ships.
When the model provider has an outage or slows down, your users see an error page.
If a provider fails, the system retries or switches to a backup — your users never notice.
You find out what the AI usage cost when the invoice arrives at month-end.
AI spend is tracked in real time, with budgets and alerts before costs climb.
Answers come from whatever the model memorized in training — plausible, but not verifiable.
Answers are pulled from your own documents and cite their sources, so they can be verified.
There's no way to detect that something broke — you find out when a customer reports it.
Dashboards and alerts show your team what's happening before customers feel it.
How the system works lives in the head of whoever built it — nothing is written down.
Decisions are documented, every type of failure has a written step-by-step fix, and your team is trained to run it without us.
The (H)Appening People
“A small team of A+ players can run circles around a giant team of B and C players.”— Steve Jobs
Why Appening
Playbooks don't ship products. Engineers do — and ours have shipped enough AI-native systems to know exactly where they break.
RAG pipelines, agent frameworks, and eval harnesses are our engineers' everyday tools — patterns hardened across the 100+ products we've shipped, not learned on your budget.
Senior engineers lead every engagement — they design the architecture, own the evals, and work inside your sprint cadence from day one.
Everything ships with the docs, dashboards, and tests your team needs to operate it independently. You own the code and the know-how.
Let's Talk
Tell us about your build and where it's stuck — or skip the form and grab a slot directly. Either way, a senior engineer replies, not a sales rep.
Book a 30-Min Call→Product Manager at Symprocity Software
“We found the team at Appening to be knowledgeable of and well-versed in numerous technologies. Having in-house designers was a huge benefit. Our customers are pleased with the new system, and we've seen a reduction in requests for support, which was a critical factor in deciding on the upgrade.”
Trusted by companies building the future
FAQ
Rarely. Most production failures — wrong answers, downtime, runaway cost — come from missing engineering (grounding, fallbacks, evals, monitoring), not the model. A better model improves the demo, not the reliability.