SEYSO
SERVICES INC
Enterprise solution architecture, modern websites and native iOS apps — engineered with two decades of Tier-1 banking discipline and shipped with startup velocity.
MAaaS
Mobile apps for rent.
Stop buying. Start renting. Launch and run real native iOS and Android apps for a predictable monthly fee — design, development, cloud hosting, AI features, App Store + Google Play operations, and ongoing updates, all in one subscription. Both platforms, both stores. The cost-conscious alternative to a $200K custom mobile app build.
From $1,500/mo
No upfront capital
4–6 weeks
TestFlight + Google Play
Always shipping
Cancel any time
Outsourced mobile app · monthly subscription
$200K project → $3,500/mo subscription
Business Systems
Built at Bank Scale
From AML regulatory platforms to Workday HCM transformations and Procure-to-Pay modernizations — case studies from two decades of enterprise architecture at Tier-1 financial institutions.
RegTech · Financial Crime
AML Regulatory Reporting at Scale
Cloud-native, event-driven FINTRAC EFTR, STR & CTR architecture across millions of daily transactions on Azure, AKS, PostgreSQL and Actimize.
Read case studyEnterprise SaaS · HCM
Workday HCM Transformation
Replaced PeopleSoft and re-integrated 200+ upstream and downstream systems via Workday APIs, REST/SOAP, file feeds, SSO and AirWatch.
Read case studyProcure-to-Pay · ERP
Coupa + Oracle EBS Integration
Cloud P2P modernization integrated with hosted Oracle E-Business Suite 12.2.4, enterprise SSO, mobility and a re-platformed imaging stack.
Read case studyData Architecture
Enterprise Data Platform Pivot
Multi-platform data estate strategy — when to keep Netezza, when to bet on Hadoop, and how to govern the seams without slowing the business.
Read case studyCloud · Event Streaming
EFTR Event Streaming Platform
Cloud-based event streaming architecture for high-volume EFTR regulatory reporting. Real-time linking, replay, lineage and compliance.
Read case studyArchitecture Governance
Architecture Review Board Engagements
Representing enterprise architecture across multi-year programs — aligning solution design with internal frameworks and regulatory direction.
Read case studyDomains we've architected
Websites &
Web Applications
From a fast marketing site to a complex web app, we design, build and ship modern websites that load fast, rank well and stay maintainable. Built with Next.js, React, TypeScript, Tailwind and the best of the modern web platform.
Marketing & Brand Sites
Lightning-fast Next.js sites with SEO, structured data, accessibility and analytics wired in from launch day.
Web Applications
Full-stack React + TypeScript apps backed by Postgres, Supabase or your enterprise APIs. Auth, payments and dashboards included.
Headless CMS & E-Commerce
Sanity, Contentful, Shopify and Stripe integrations. Editor-friendly content models and clean storefronts.
Compliance & Performance
Core Web Vitals, WCAG accessibility, GDPR-friendly analytics, and structured data that gets you indexed and ranked.
Built with
Mobile App
Development · iOS & Android
We design, build and ship native mobile apps to the Apple App Store and Google Play. From concept to launch — Swift, SwiftUI, Kotlin, Jetpack Compose, React Native and Expo — engineered for performance, reliability and a delightful experience on iPhone, iPad and Android phones and tablets.
- Native iOS development with Swift & SwiftUI
- Native Android development with Kotlin & Jetpack Compose
- Cross-platform React Native + Expo apps for iOS and Android
- AI-powered features with Claude, OpenAI and on-device ML
- Apple HIG, Material Design 3 & accessibility (VoiceOver, TalkBack)
- App Store + Google Play submission, ASO, TestFlight & Play internal testing
- StoreKit 2 + Google Play Billing for in-app purchases & subscriptions
- Sign in with Apple, Sign in with Google, Push (APNs + FCM), Camera, Health & Vision
- Backend, API and Supabase / Firebase integration
- Ongoing maintenance, OTA updates & feature releases on both stores
LiftCrew AI
Group training, AI-personalized
An iOS fitness app we designed, engineered and shipped end-to-end. Same exercises, AI-calculated individual weights for every crew member — built with React Native, Expo, Supabase and Claude.
AI Workout Generation
Server-side Claude integration generates personalized training plans with per-member weight prescriptions calculated from individual 1RM baselines.
Real-Time Crew Sessions
Distributed crews train together via Supabase Realtime — synchronized sets, rest timers, live PR notifications and auto-advance between members.
Photo Meal Tracking
Claude vision analyzes meal photos to extract calories and macros. Pairs with a Mifflin-St Jeor calculator for daily targets.
Crew Challenges & PRs
Volume, sessions, PR and streak leaderboards drive accountability. Epley-formula PR detection auto-commits new estimated 1RMs.
Engineered with
15
Day Free Trial
4
Challenge Modes
60
FPS Animations
Built on Trust
Driven by Results
We combine deep technical expertise with a commitment to delivering measurable outcomes for every client.
Technologies We Work With
Let's Build
Something Great
Ready to elevate your technology infrastructure or bring your iOS app idea to life? We're one message away.