SAAS / FULL-STACK ENGINEERING

SaaS application development
services built for products that scale.

We provide SaaS application development services for businesses building MVPs, subscription platforms and custom web applications. From product architecture and full-stack development to APIs, AI features and automation, we build software around your users and business workflows.

Product.Platform.Production.
RELAY / PRODUCT SYSTEMConcept UI · live request trace
  1. User interfaceReact / Next.js
    click → refresh metrics
  2. ApplicationAuth + roles
    session ✓ · role: admin
  3. API / backendNode.js
    GET /v1/metrics → 200
  4. DatabaseMongoDB / SQL
    tenant query · 12 ms · cached
  5. AI / integrationsAutomation
    summary ✓ · CRM sync ✓ · webhook ✓
Interface sends a requestUI → App → API → Data → AI
SaaS platforms & MVPsWeb apps, dashboards & portalsAPIs & integrationsAI & automation
01 / WHAT WE BUILD

SaaS platforms, apps and portals.
One engineering team.

Our SaaS product development approach brings authentication, data architecture, APIs, deployment and testing together around the needs of your users.

Subscription products for businesses or consumers, from a focused MVP to a production platform with workspaces, billing and admin.

  • B2B SaaS
  • B2C SaaS
  • Subscription products
  • Multi-tenant apps
  • MVP development

Business applications built around how your team actually works: requests, approvals, records and the handoffs between them.

  • Workflow platforms
  • Internal systems
  • Operations tools
  • Business apps

Analytics, reporting and admin panels that show each role the numbers and controls it needs, and nothing it shouldn't see.

  • Analytics dashboards
  • Admin panels
  • Reporting
  • Role-based views
  • BI interfaces

Secure account areas where customers, vendors or partners check status, download documents, pay invoices and raise requests.

  • Customer portals
  • Vendor portals
  • Partner portals
  • Membership platforms

Two-sided products that match supply with demand, with listings, bookings, payments and payouts handled on both sides.

  • Two-sided marketplaces
  • Booking platforms
  • Service platforms
  • Directories
ONE FOUNDATION / FIVE PRODUCT TYPESConcept interfaces
Workspace · Northwind StudioGrowth plan
Northwind Studio OwnerAcme Logistics MemberPersonal Free
Seats 12 of 20
API calls this month 41k of 100k
Storage 6.2 of 25 GB
Next invoice · 1 OctTrial ends in 4 days
Purchase requestsOperations app
Submitted · 4Laptop refresh ITSite survey Field
Review · 2Vendor contract Legal · due today
Approved · 3Warehouse racks OpsCRM seats Sales
Done · 18Office Wi-Fi Closed
Rule: over $5,000 → finance approvalAudit trail on
Revenue by regionViewing as regional manager
Last 90 daysNorthWestExport CSV
Scheduled report · every Monday3 recipients
Welcome back, RiyaCustomer portal
Order #4471 · InstallationIn progress
Invoices1 due · Pay now
Documents6 files
Support request #218Replied 2h ago
BookingsTwo-sided marketplace
Customer sideDeep-clean · 3BHK Sat, 10:00 · $120Request sent Waiting for provider
Provider sideNew request Accept · DeclinePayout scheduled After job completion
Request → Accept → Payment held → PayoutCommission 12%
Shared engineering foundationAuth xC2xB7 Data model xC2xB7 APIs xC2xB7 Cloud deploy xC2xB7 QA xC2xB7 Monitoring
NOT SURE WHICH PLATFORM FITS?

Content-led marketing sites usually belong on WordPress or Webflow, and online stores on Shopify. When the product itself is the software, custom full-stack development is the right tool.

02 / FULL-STACK ARCHITECTURE

Full-stack architecture,
chosen for the product.

Our full stack development services are shaped around your product requirements, from frontend and backend architecture to APIs, databases and deployment.

APPLICATION ARCHITECTURE / FOLLOW A REQUEST
Frontend
Web appReact / Next.js
Mobile & PWAResponsive UI
Admin panelRole-based UI
Edge
CDNAssets, images
Next.js serverSSR / edge functions
API layer
APIREST / GraphQL
Auth middlewareSessions, JWT, roles
Real-timeWebSockets / SSE
Services
App servicesBusiness logic
Jobs & queuesEmails, exports, sync
AI servicePrompts, retrieval
Data
Primary databaseMongoDB / PostgreSQL
CacheRedis
File storageS3-compatible
External
PaymentsStripe / Razorpay
CRM & emailZoho, HubSpot, Mailchimp
AI APIsClaude / OpenAI
Signed-in request

    Frontend

    React
    Next.js (SSR, SSG, App Router)
    TypeScript & JavaScript
    Component systems & Tailwind

    Backend

    Node.js & Express
    REST APIs
    GraphQL where it fits
    Custom backend services

    Data

    MongoDB
    PostgreSQL / SQL
    Data modelling & indexing
    Caching with Redis

    Infrastructure

    Vercel
    AWS or similar cloud
    CDN, storage & serverless
    Containers where needed
    MERN STACK DEVELOPMENT

    Our most-used stack.
    Not our only one.

    MMongoDBEExpressRReactNNode.js

    One language across the stack, fast iteration and a large ecosystem make MERN a strong default for many SaaS MVPs and web apps. When the data or workload calls for something else, we use something else.

    HOW WE CHOOSE
    Public pages that must rank
    Next.js server rendering
    Billing, reporting, strong relations
    PostgreSQL
    Flexible records, fast-changing schema
    MongoDB
    Spiky or occasional workloads
    Serverless functions
    Long-running jobs and imports
    Queue workers / containers
    Dashboards that must feel instant
    Caching + real-time events
    03 / THE COMPLETE SAAS SYSTEM

    Everything a SaaS product needs
    behind the interface.

    We develop the systems behind a reliable SaaS product, including user management, permissions, multi-tenant architecture, subscriptions and administration.

    Authentication & users

    Signup and login, social sign-in, password recovery, profiles, roles and permissions. SSO and 2FA where the product needs them.

    Multi-tenant SaaS

    Organisations and workspaces, team accounts, tenant isolation, role management and account-level settings.

    Billing & subscriptions

    Stripe plans, trials, upgrades and downgrades, recurring billing, invoices and usage-based pricing where it fits.

    CORE SAAS ENGINE / TENANT 042Interactive concept
    Signed in as
    • Manage billing & plan
    • Invite team members
    • Create & edit projects
    • View reports
    • Export data
    • View audit log
    Workspace plan
    Seats 8 of 10
    AI credits 1,240 of 5,000
    ready · workspace loaded for admin@acme

    Application features

    Dashboards, search and filters, file uploads, notifications, email, activity logs, reports, exports and user settings.

    Real-time features

    Live notifications and updates, chat and collaborative editing, added where they genuinely help the workflow.

    Admin & operations

    Admin panel, user and subscription management, content and data tools, support tools and audit logs.

    04 / AI, APIS & AUTOMATION

    AI, APIs and automation
    built into the product.

    Extend your SaaS application with AI assistants, API integrations and automated workflows connected securely to your product data and business systems.

    For your users
    AI assistants and chat, knowledge-base answers, AI search, summaries, recommendations and workflow help.
    For your team
    Document analysis, classification and tagging, content drafts, internal AI tools and support triage.
    Explore AI automation & chatbots
    RELAY / AI ASSISTANTScripted concept

    Ask about your workspace. Answers use only the records you can access.

    Choose the sample question. No AI request is made.

    1. Question from the app
    2. Backend checks user & tenant
    3. Retrieve permitted records
    4. AI API drafts the answer
    5. Answer + sources returned
    EVENT-DRIVEN AUTOMATION / INTERACTIVE CONCEPT
    1. TriggerUser actionBooks a demo
    2. ValidateSaaS appSaves the record
    3. EmitWebhook / APISigned event
    4. OrchestrateAutomationMake, Zapier, n8n
    5. SyncCRMLead in Zoho
    6. NotifyTeam + customerSlack + email
    Waiting for an event. Run it to watch each system respond.
    Payments
    Stripe, Razorpay, Paddle and other gateways
    CRM & sales
    Zoho, HubSpot and custom enterprise systems
    Email & marketing
    Mailchimp, Klaviyo where relevant, transactional email
    Automation
    Make, Zapier, n8n, webhooks, scheduled jobs
    Analytics
    GA4, product analytics and event tracking
    Accounting
    Zoho Books, Xero, QuickBooks via their APIs
    Storage
    S3-compatible storage, Google Drive, Cloudinary
    Any external API
    Documented REST/GraphQL APIs and partner systems
    05 / PRODUCTION-READY ENGINEERING

    Production-ready engineering.
    Built for the day after launch.

    Every SaaS application we develop considers performance, security, testing and monitoring from the architecture stage through production.

    Performance & scale

    Scalable architecture, indexed queries, caching, efficient APIs, CDN delivery, code splitting and application monitoring.

    Security

    Secure authentication, permissions, API security, input validation, HTTPS, secrets management, rate limiting and backups.

    Testing & QA

    Functional, responsive, browser, API, integration, regression and performance testing before each release.

    Deploy & monitor

    Staging and production environments, CI/CD where appropriate, logging, error tracking and ongoing maintenance.

    Compliance needs such as GDPR are scoped per project. We don't claim certifications a project hasn't been audited for.

    RELEASE PIPELINE / v2.4.0Concept console
    1. Commitmain · reviewed
    2. Checks4 of 4 passed
    3. StagingQA signed off
    4. ProductionDeployed
    • Lint & type checksPassed
    • Unit & API testsPassed
    • Integration tests · Stripe, CRMPassed
    • Build & bundle sizePassed
    Response time (p95)
    Error rate
    Alert ruleErrors > 1% → notify
    PROOF / SAAS & FULL-STACK WORK

    Real products and integrations.
    Running in production.

    Explore SaaS product development, custom application integrations and business automation through real project examples.

    WEBSALE AGENT / ARCHITECTUREOur product
    Website visitor↓AI sales chat widget↓
    CRMZapier / n8n webhooksHuman handoff
    ↓Google Gemini · product knowledge
    01 / OWN SAAS PRODUCT

    WebSale Agent: an AI sales chat widget, built as SaaS.

    Client / industry
    MisterSK product · Sales & conversion software
    Product type
    B2B SaaS, embeddable widget
    Stack
    React, Google Gemini API, webhooks
    Functionality
    AI sales conversations, lead capture, dynamic website actions
    Integrations
    CRM, Zapier and n8n webhooks, Paddle billing architecture
    Challenge
    Turn a generic chatbot into a tool that qualifies and converts visitors
    Outcome
    Live at websaleagent.com; ticketing and AI-to-human handoff in development
    Usage metrics to be added once published.
    TRADE-FINDER / PARTNER APIClient integration
    Trillium College CRM · ASP.NET↓↓ POST + secret key↓Custom REST endpoint↓
    Create userGold membershipPartner tag
    ↓activation_url → student email
    02 / B2B API INTEGRATION

    Trade-Finder: partner enrolment with no signup screens.

    Client / industry
    trade-finder.com · Trades membership platform
    Product type
    Membership platform + partner API
    Stack
    WordPress REST API (PHP), Paid Memberships Pro
    Functionality
    Auto user creation, Gold membership, partner and activation-date tags
    Integrations
    Trillium College CRM (C#, SQL) via API key
    Challenge
    Enrol a partner's students without signup or payment screens
    Outcome
    Live and confirmed working; admin Partner column supports billing reconciliation
    Endpoint details simplified for security.
    BALI EASY VISA / APPLICATION FLOWClient workflow
    Visa application + documents↓Zoho Flow↓
    Zoho CRM leadFiles attached
    03 / WORKFLOW AUTOMATION

    Bali Easy Visa: one application, a fully tracked case.

    Client / industry
    balieasyvisa.com · Travel & visa services
    Product type
    Application workflow + CRM automation
    Stack
    Website application form, Zoho Flow, Zoho CRM
    Functionality
    Lead creation, document attachment, scheduled tasks, status-based emails
    Integrations
    Zoho CRM, Zoho Flow, customer email
    Challenge
    eVisa, tourist levy and arrival card handled in one application
    Outcome
    Every submission becomes a CRM case with follow-ups timed to arrival
    Time-saved comparison to be added once measured.
    PROCESS / IDEA TO SCALE

    From idea to scale.
    One connected lifecycle.

    Our SaaS development process takes your product from discovery and MVP planning to architecture, development, integration, launch and continuous improvement.

    1. 01

      Discover

      Users, business model and the problem worth solving first.

      Scope + MVP cut
    2. 02

      Architect

      Data model, tenancy, permissions, billing and stack.

      Architecture plan
    3. 03

      Design

      User flows, UX and a UI system for the product.

      Clickable prototype
    4. 04

      Build

      Sprints on frontend, backend and APIs.

      Staging builds each sprint
    5. 05

      Integrate

      Payments, CRM, email, AI and automation.

      Tested integrations
    6. 06

      Test

      Functional, API, security and performance checks.

      Release checklist
    7. 07

      Launch

      Production deploy, monitoring and handover.

      Live product
    8. 08

      Scale

      Usage data, performance and the next roadmap.

      Next release plan
    PLANNED BEFORE THE FIRST LINE OF CODE
    • Users
    • Business model
    • Product requirements
    • UX
    • Architecture
    • Database
    • Permissions
    • Billing
    • Integrations
    • Security
    • Scalability
    BEFORE THE BUILD

    SaaS development
    questions, answered.

    Bring the idea, the existing codebase or the spreadsheet your team has outgrown. Start with where you are today.

    01Product & MVPCan you build a SaaS product from scratch?

    Yes. We take a product from idea to launch, covering discovery, UX, architecture, frontend, backend, billing, integrations, testing and deployment, with one team responsible for the complete system.

    See our lifecycle
    02Product & MVP Can you help build an MVP?

    Yes. We help define the essential features that validate your idea, then build an MVP with an architecture that can support future users, functionality and product growth.

    See our lifecycle
    03Stack & APIsDo you provide full-stack development services?

    Yes. We provide full-stack development services using technologies such as React, Next.js, Node.js, Express, MongoDB and PostgreSQL, selecting the stack according to your product requirements.

    See the architecture
    04Stack & APIsCan you build multi-tenant SaaS applications?

    Yes. We develop multi-tenant applications with organisations, workspaces, team accounts, role-based permissions and tenant isolation, using an approach suited to your product and customers.

    See the architecture
    05Product & MVPCan you integrate APIs, payment gateways and CRM systems?

    Yes. We integrate payment gateways such as Stripe and Razorpay, CRM platforms such as Zoho and HubSpot, and other third-party tools through APIs, webhooks and automation platforms.

    See the architecture

    Question not listed? Ask us directly. We reply with a straight answer, not a sales script.

    YOUR NEXT PRODUCT

    Have a SaaS idea or an application that needs to scale?

    From MVP architecture and product UI to APIs, AI, automation and production deployment, we can build the complete system.