01
8x
peak-traffic capacity
Headless commerce platform
Headless commerce on Shopify Plus, commercetools, BigCommerce, or Saleor. CDN-first cache, autoscaling worker fleets, and chaos-engineered failure modes ahead of peak season.
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Industry
Retail & E-Commerce.
Headless commerce platforms, personalization and recommendations, order management, and loyalty / subscription engines — engineered for peak-season scale, PCI-DSS compliance, and the consumer privacy frame retail buyers actually face.
- PCI-DSS
- Level 1 aligned
- GDPR · CCPA
- Compliant
- SOC 2 Type II
- In flight
- Peak-season SLA
- Engineered
The landscape
Retail engineering fails at the seams between commerce, fulfillment, and identity — not at the storefront.
The pattern across retail engagements: a beautiful headless storefront with a fulfillment integration that breaks at peak; a personalization engine that runs against stale data; loyalty mechanics scoped as phase 2; an order management system held together with cron jobs; and a peak-season run-up that consumes the engineering organization for a quarter. Retail isn't a single workload — it's a system of integrations, and the failures live at the seams.
Prosigns ships retail engineering with the seams as primary scope. Headless commerce platforms with rigorous order-management contracts, personalization with explicit data freshness SLAs, fulfillment integration designed for peak load, and the consumer privacy frame consumer-facing brands actually have to defend. CITADEL co-pilots PCI-DSS, GDPR, and CCPA evidence collection from kickoff.
Where we ship
6 workloads, grounded in this sector.
Specific applications we’ve built and operated for retail & e-commerce buyers. Every example below is grounded in a real shipped engagement.
- 02
Personalization and recommendations
Real-time personalization engines with feature stores, A/B test infrastructure, and explainability dashboards. Privacy-respecting by design, with explicit consent management.
- 03
Order management and fulfillment
Omnichannel order management, distributed inventory, fulfillment optimization, and the fulfillment-integration discipline that survives a Black Friday.
- 04
Loyalty and subscription
Loyalty engines, subscription billing, and customer data platforms integrated with the commerce stack. Identity-aware, privacy-respecting, and audit-defensible.
- 05
Search and product discovery
Algolia, Elasticsearch, OpenSearch, and vector-search-backed product discovery. Semantic search with embeddings, faceted filters, and merchandising overrides.
- 06
−47%
ticket volume
Customer service AI
Tier-1 response automation grounded in product catalog and policies. Refusal patterns, escalation gates, and explicit handoff to human agents on edge cases.
How we engage
4 phases, named in the SOW.
Each phase has a deliverable, an owner, and an acceptance criterion specific to retail & e-commerce delivery.
- 01
Peak-season-first architecture
Discovery includes peak-load modeling: traffic, conversion path, fulfillment volume, and the failure modes the post-mortem corpus has documented. Architecture sized to peak with autoscaling, CDN-first cache, and chaos-engineered failure modes.
- 02
Integration as primary scope
ERP, OMS, WMS, payments, fulfillment, and identity integrations designed before storefront work begins. Explicit interface contracts, retry semantics, and the operational discipline that survives partner outages.
- 03
Privacy-respecting personalization
Consent management integrated with personalization at the data layer. Honored Global Privacy Control, regional differences (GDPR / CCPA / PIPEDA) handled architecturally, and explicit retention per data class.
- 04
Operating cadence for retail rhythms
Pre-peak readiness reviews, peak-season war room, post-peak retrospective, and the FinOps cadence that returns the cloud bill to baseline. Most engagements continue under Managed Services through multiple seasons.
Practices in retail & e-commerce
How each practice plays in this sector.
The capabilities below are scoped to the constraints retail & e-commerce procurement actually enforces — compliance, audit, data residency, and vendor risk.
- 01FORGE
Custom Software
SaaS, enterprise applications, legacy modernization, integrations, and mobile.
Open the practiceIn Retail & E-Commerce
Headless commerce, order management, loyalty, and subscription engines — engineered for peak-season scale and PCI-DSS compliance.
- 02CORTEX
AI & Machine Learning
Generative AI, agents, computer vision, predictive analytics, and MLOps — engineered for production.
Open the practiceIn Retail & E-Commerce
Personalization, recommendations, demand forecasting, and customer-service AI — with privacy-respecting design and explicit consent management.
- 03FOUNDATION + SKYWAY
Platform & Cloud
Cloud architecture, DevOps, SRE, migrations, data engineering.
Open the practiceIn Retail & E-Commerce
CDN-first architectures with autoscaling, chaos-engineered failure modes, and the FinOps discipline retail volatility requires.
- 04CANVAS
Design & UX
Research, design systems, enterprise product design.
Open the practiceIn Retail & E-Commerce
Conversion-led product design, design systems for retail catalog, and the accessibility-first interfaces consumer brands actually need.
Selected work
Quantified outcomes, not adjectives.
Common questions
Asked before the first call.
- 01
Headless commerce — Shopify, commercetools, or build?
Workload-dependent. Shopify Plus wins for D2C brands with strong product catalog and limited backend complexity. commercetools wins for enterprise with custom commerce flows. BigCommerce is competitive in the middle. Custom builds make sense rarely — when the commerce model is genuinely outside what platforms support. We tell you which fits, in writing.
- 02
Can you handle peak-season scale?
Yes — peak-season readiness is part of the discipline. Architecture sized to peak with explicit headroom, chaos-engineering rehearsals 4–6 weeks before peak, war-room cadence during peak weeks, and a post-peak retrospective. Most clients see 5–10x peak-traffic capacity vs their prior architecture.
- 03
How do you handle PCI-DSS in commerce?
Tokenization at the network edge, segmentation that minimizes PCI scope, and the QSA-supportable evidence pipeline that runs continuously. Most modern commerce stacks scope PCI to the payment processor; we engineer the architecture to keep it that way.
- 04
What about consumer privacy — GDPR, CCPA, and beyond?
Honored at the data layer, not the cookie banner. Consent management integrated with personalization, regional differences handled architecturally, and explicit retention per data class. We respect Global Privacy Control and design for the privacy frames that haven't been written yet.
- 05
Do you do international rollouts?
Yes. Multi-region commerce, currency, language, tax, and fulfillment localization are common engagement scope. Edge-routed architectures for international latency, region-specific data residency, and the operational discipline international peak rhythms require.
- 06
What does a retail engagement cost?
Architecture and platform-fit assessment: 4–6 weeks, $50K–$150K. Headless replatform: 5–10 months, $400K–$1.5M. Personalization / recommendations program: 4–8 months, $300K–$1M. Multi-channel order management modernization: $1M–$3M+. Managed Services: $30K–$150K monthly retainer. Brackets published honestly.
Talk to us
Bring a retail & e-commerce problem. We’ll bring a senior engineer.
A senior engineer plus the relevant department lead joins the first call. No discovery gauntlet, no junior reps.