AI Engineering · Agentic Systems · Enterprise Delivery

Intelligent systems, engineered to spec.

Most AI never survives contact with production. Ours is different: assembled with the discipline of an engineering drawing, delivered with the accountability of a signature.

Reference architecture of a production agentic delivery platform: channels feed an API gateway into an orchestration layer of planner, research and executor agents over shared memory, routed to model providers, grounded by vector stores and an audit ledger, governed by policy guardrails and continuous evaluation. FIG. 01 — AGENTIC DELIVERY PLATFORM · PRODUCTION REFERENCE REV A · SIGNED ✓ WEB & MOBILE INTERNAL SYSTEMS EVENT STREAMS API GATEWAY — AUTHN/Z · RATE LIMITS · SCHEMA CHECK p95 ≤ 250ms ORCHESTRATION LAYER PLANNER AGENT task graphs · replans RESEARCH AGENT retrieval · synthesis EXECUTOR tools · side effects SHARED MEMORY / STATE — VERSIONED · REPLAYABLE · TIME-TRAVEL DEBUGGING OBSERVABILITY GUARDRAILS · POLICY MODEL ROUTER frontier fast local embeddings cost-aware VECTOR STORE KNOWLEDGE INDEX AUDIT LEDGER CONTINUOUS EVALUATION · DRIFT WATCH · SHADOW TESTS — NOTHING PROMOTES ITSELF auto-replan on regression · eval suite: 1,204 cases ✓ ALL COMPONENTS VERSION-CONTROLLED · RELEASES SIGNED
The pattern behind every engagement — autonomy that arrives with its own audit trail.
The pipeline, alive

What "production AI" actually involves.
Watch it breathe.

Every engagement runs a version of this loop — data to fine-tuning to evaluation to guarded inference and back. This is the honest map, not the brochure.

Animated lifecycle of a production AI system: data ingestion, curation, fine-tuning, evaluation, registry, canary deployment, inference routing with cache, guardrails, observability, feeding back into fine-tuning. FIG. 02 — PRODUCTION AI LIFECYCLE · CONTINUOUS LOOP REV B · LIVE 01 · DATA PLANE DOCUMENTS 12.4M EVENT STREAMS 8.2M TELEMETRY 41M/day CURATION & DEDUP exact hash + fuzzy near-dup QUALITY GATES score ≥ .92 02 · TRAINING FINE-TUNING LoRA adapters · checkpointing base frozen · Δ merged on promote LOSS step 4.2k EVALUATION HARNESS 1,204 cases · pass@k pass@k ✓ MODEL REGISTRY signed · versioned v14.2 ✓ signature valid PROMOTE ON GREEN ✓ 03 · DEPLOYMENT CANARY DEPLOYMENT 5% 25% 100% INFERENCE ROUTER frontier fast local cost-aware CONTROL PLANE · POLICY SYNC egress inspection hit 71% SEMANTIC CACHE vector kNN · TTL 6h HIT 71% SAFETY PLANE GUARDRAILS & POLICY · PII redaction · jailbreak shield · tool-policy engine · schema validation INSPECT → ANNOTATE → BLOCK 04 · GROUND TRUTH OBSERVABILITY traces · evals · drift · cost 1,284 tok/s eval pass 96.4% AUDIT LEDGER append-only · hash-chained TAMPER-EVIDENT ✓ CONTINUOUS IMPROVEMENT LOOP EVERY STAGE VERSIONED · EVERY RELEASE EVALUATED · EVERY ACTION LOGGED
data plane control plane safety plane feedback loop
Sound familiar?

What you're likely facing.
What we hand back.

The problem

AI pilots that impress in demos, then die in front of a change board.

We deliver

Production-grade agentic systems with evaluation gates, guardrails and full audit trails — built to pass review the first time.

The problem

Cloud platforms that drift, cost more every quarter, and need heroes to stay alive.

We deliver

Platforms defined as code with predictive scaling, anomaly detection and automated remediation — operations that act before tickets exist.

The problem

Delivery pipelines where security review is the bottleneck and fixes take weeks.

We deliver

Pipelines with machine-speed analysis and automated remediation under policies you define — security at the speed of shipping.

The problem

Transformation programmes heavy on slideware, light on engineers, stalled at go-live.

We deliver

Programmes led end to end by senior engineers — scoped on a drawing, staffed properly, carried through go-live.

“Anyone can demo intelligence.  We make it boringly reliable.”
— Clause one of every engagement
Capabilities

Six disciplines.
Every one runs live.

Each panel is a working cut of how that practice behaves in production - not a stock illustration. Open one.

LIVE — SELECT A DISCIPLINE

Production-grade systems from architecture and model integration through evaluation and deployment.

In practice: deep agent frameworks · MCP / A2A orchestration · context engineering · eval-driven delivery

Method

A disciplined path from
idea to operations.

Cost, risk and speed weighed honestly at every stage — the same four stages whether we're building a system or running a programme.

  1. STAGE 01

    Discover

    Goals, constraints and data landscape mapped before a single line of code.

  2. STAGE 02

    Design

    Architectures grounded in real trade-offs — documented precisely enough to be reviewed like contracts.

  3. STAGE 03

    Build

    Iterative delivery with quality gates, automated testing and security from day one.

  4. STAGE 04

    Operate

    Monitoring, tuning and continuous improvement long after go-live.

Why TechBy

Four reasons clients
hand us the hard parts.

R—01

Two decades, every layer

Development, databases, infrastructure, cloud, platform, security, operations — carried firsthand across enterprise programmes, not picked up secondhand.

R—02

A specialisation, not a buffet

Every capability points at the same outcome: systems that survive production. That focus is why clients call us first.

R—03

The signature standard

Specifications written before code. Evaluations before release. Sign-off before "done". You always know what was promised and what shipped.

R—04

Senior by default

Small teams of people with ten-plus years each. The engineer who scopes your system is the engineer who builds it.

Careers

Engineers who sign their work — we're hiring.

If you hold yourself to production standards and want hard problems at the edge of the field — see the open roles and apply in minutes.

Join the team →
Contact

Send us the brief.

Describe the problem — we'll come back with a scope, an honest estimate and a named engineer who'll own it.

  • Read the same day — usually within the hour
  • A scoped, honest reply within one business day
  • A named engineer owns your brief from first contact

Stored securely in our encrypted database and reviewed by a human — we reply within one business day.