IT Services in Orange: Marketplace & Auction Platform Development

United AI Marketing is a technology company built on 20+ years of family experience in software engineering, web development, marketing, and business process automation. From Orange, CA, we help founders and enterprises ship resilient marketplace and auction products that convert, rank, and scale.

Why Orange businesses choose United AI Marketing

You get a single accountable partner for product, growth, and operations. Our teams unite engineers, solution architects, product managers, marketers, and revenue operations specialists to deliver measurable outcomes—not just code.

• Proven marketplace and auction expertise with end-to-end delivery.
• AI CRM for lead routing, scoring, and automated follow-ups.
• AI voice and chat bots that qualify, book, and nurture 24/7.
• Call-center and sales automation to boost close rates.
• Integrated SEO, Google Ads, Local Services Ads, GMB and Yelp optimization.
• Full-stack web and mobile development with secure cloud hosting.
• Data analytics, dashboards, and attribution tied to revenue.
• Clear SOWs, rapid MVPs, SLAs, and long-term support.

Our approach reduces risk, compresses timelines, and compounds growth—so you can launch fast and improve continuously.

Marketplace and auction features we deliver

• Multi-vendor commerce: seller onboarding, KYC/AML, tiered fees, escrow, payouts, dispute workflows.
• Catalog and search: bulk import, variants, attributes, faceted filters, saved searches, alerts.
• Real-time bidding: WebSockets, soft close, anti-sniping, proxy bids, reserve price, lot groups.
• Checkout and payments: Stripe, PayPal, Adyen, ACH, digital wallets, split payments, tax/VAT.
• Shipping and logistics: rates, labels, tracking, returns with carriers and 3PLs.
• Compliance and trust: PCI, GDPR/CCPA, audit logs, role-based access, fraud checks.
• Mobile apps: iOS/Android for buyers and sellers with push notifications.
• Seller tools: inventory, pricing, promotions, bulk actions, analytics.
• Buyer experience: wishlists, watchlists, recommendations, one-tap bid/buy.
• Content and SEO: friendly URLs, canonical tags, schema for products and events, sitemaps.
• Operations: moderation queues, messaging, tickets, RMA, SLA dashboards.
• Reporting: revenue, cohorts, LTV, CAC, seller performance, fee reconciliation.

Whether you need B2B, B2C, or C2C flows—or complex hybrid models—we tailor the platform to your monetization strategy: subscriptions, listing fees, success fees, premium placements, sponsorships, and more.

Technology stack and integrations

We use modern, proven tools to ensure speed, reliability, and maintainability while meeting your team’s skills and budget.

• Backend: Node.js, Python, .NET; microservices when needed, REST/GraphQL APIs.
• Frontend: React, Next.js, Vue for fast, SEO-friendly experiences.
• Mobile: React Native and Flutter; native Swift/Kotlin when required.
• Data: PostgreSQL, MySQL, Elasticsearch, Redis; event streaming with WebSockets/Kafka.
• Cloud: AWS, GCP, Azure with autoscaling, CDN, and managed security.
• Payments: Stripe, PayPal, Adyen; taxes with Avalara; accounting with QuickBooks/Xero.
• Identity: OAuth, SSO, MFA; KYC/AML providers for seller and buyer verification.
• Marketing: Google Merchant Center, Google Analytics, GTM, email/SMS/push platforms.

Our DevSecOps practice includes CI/CD pipelines, infrastructure as code, automated testing, and observability (logs, metrics, tracing) for faster releases and fewer incidents.

SEO and growth for marketplaces and auctions

Traffic and conversions are engineered in from day one. We optimize discoverability, speed, and conversion so your listings win attention and your sellers stay loyal.

• Technical SEO: Core Web Vitals, crawl budget management, internationalization, structured data.
• Content at scale: dynamic landing pages by category, brand, city, and seller.
• Local visibility: GMB optimization, Local Services Ads, Yelp enhancements for service areas.
• Paid acquisition: full-funnel Google Ads and remarketing aligned to inventory and auctions.
• Lifecycle automation: AI CRM sequences across email, SMS, and voice to re-engage bidders and buyers.
• Attribution: end-to-end tracking that ties spend to bids, GMV, and revenue.

Result: compounding SEO traffic, lower CAC, and healthier LTV from both buyers and sellers.

Security, compliance, and reliability

We build for trust. From secure payments to data privacy, your platform is protected and audit-ready.

• Security: encryption in transit and at rest, OWASP best practices, WAF, rate limiting, secrets management.
• Compliance: PCI-ready architectures, GDPR/CCPA controls, consent and data-retention policies.
• Reliability: multi-AZ deployments, backups, disaster recovery, and 24/7 monitoring.

Expect uptime SLAs, incident response runbooks, and regular security reviews that keep you compliant as you scale.

Delivery model and timeline

Clarity and speed drive every engagement. We de-risk decisions early and iterate with evidence.

• Discovery: business goals, user journeys, integrations, and KPIs.
• Architecture and UX: prototypes, product backlog, and technical blueprint.
• MVP: essential features shipped in weeks with test coverage and analytics.
• Integrations: payments, tax, shipping, CRM, analytics, and ad platforms.
• Refinement: A/B tests, SEO sprints, performance tuning, and conversion lifts.
• Growth and support: SLAs, roadmap, and continuous releases.

You get transparent project management, weekly demos, and performance reports you can share with stakeholders.

Industries we support in Orange County

Our marketplace and auction solutions fit a wide range of verticals across Orange, Anaheim, Irvine, Santa Ana, and the greater Orange County region.

• Retail and brands launching D2C or multi-seller marketplaces.
• Automotive dealers and salvage auctions with title and transport workflows.
• Real estate and foreclosure auctions with compliance and escrow.
• Industrial and heavy equipment auctions with inspections and financing.
• Collectibles, art, and luxury goods with authentication and provenance.
• Government surplus and B2B liquidations with bid approvals.

We also serve clients nationwide—Los Angeles, San Diego, San Francisco, New York, Miami, Chicago, Dallas—and across Europe, including London, Berlin, and Paris.

Migrations and modernization

Outgrowing a legacy platform? We plan zero-downtime migrations from Magento, WooCommerce, Shopify, and niche auction tools to modern, scalable stacks—preserving SEO equity and customer data.

• Data migration: products, users, orders, bids, payouts, reviews.
• SEO preservation: redirects, canonicals, and sitemap regeneration.
• Feature parity and enhancements: performance and UX upgrades.

Revenue operations and enablement

Beyond code, we help sellers and internal teams perform. Our AI CRM and call-center automation ensure every inquiry is routed, qualified, and followed up with the right message at the right time.

• Lead capture and scoring from web, chat, phone, and ads.
• Playbooks for seller acquisition, onboarding, and retention.
• Sales dashboards that expose pipeline, velocity, and forecast.

With marketing and sales in sync, your growth engine becomes predictable and scalable.

Your local partner in Orange

We are rooted in Orange, CA, and proud to support businesses across Orange County. Work with a responsive team that understands local market dynamics and can meet on your schedule—while leveraging global delivery to control costs and accelerate timelines.

Ready to build or scale your marketplace or auction platform? Book a free consultation and product demo. We will map opportunities, estimate ROI, and outline a clear path from concept to launch to growth.

United AI Marketing — smart, automated solutions that help you scale faster, close more deals, and operate more efficiently.