Custom Web Development and API Integration Services

We design and build web applications that are fast, secure, and scalable-mapped to your workflows and KPIs from day one.

Reply within 1 business day Customer base • Worldwide NDA-friendly
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Custom web app development

Is custom web development right for you?

Customer & Partner Portals

Role-based access dashboards, and self-serve workflows that suits your business.

Internal Tools & Admin Panels

Secure systems with data entry, approvals, audit trails, and reports to speed operations.

E-commerce & Subscriptions

Easy to use and clear custom checkout flows, subscription billing, coupons, taxes, and analytics.

Content Management Platforms

Customization services for Wordpress, Drupal and Shopify to meet your customer needs.

What you get

Discovery & Requirements

We first understand your goals and target users, constraints, risks, and success metrics (KPIs).

Architecture & Planning

System design and breakdown phase. We select the right stack and timelines for each phase of development.

UI/UX & Prototyping

We roll out the prototype to determine whether it aligns with your goals and vision, and gather additional feedback.

Implementation

We write clean, well-tested code with peer reviews and automated CI/CD for safe, repeatable releases.

Quality & Security

We automate testing, enforce performance budgets, and harden security in every release.

Launch & Handover

Release plan, hand over all documentation, and offer free team training.

Book a Discovery Call

Our process

1. Discover

We have an initial call to fully understand your goals

2. Proposal

We share a detailed proposal with timelines and deliverables.

3. Contract and NDA Signing

Contract and NDA(from the client) signing to signal the commencement.

4. Design and Development

We make our hands dirty by writing quality code to meet your expectations.

5. Launch

Deployment with zero/low-downtime rollout with observability in place.

6. Optimize, Training and Support

Post-launch improvements and training guided by data and feedback.

API Integrations & Data Flows

Ask about your provider
Payments & Billing
Checkout, subscriptions, invoicing, webhooks
Stripe PayPal Flutterwave Braintree Square Adyen Authorize.ne Paymentwall
CRM & Marketing
Leads/contacts sync, email events
HubSpot Salesforce Mailchimp SendGrid Zoho Pipedrive Zendesk Mailgun LinkedIn API
Analytics & Product
Event tracking, funnels, attribution
GA4 PostHog Mixpanel BigQuery Amplitude
Auth & Identity
SSO, OAuth2/OIDC, user provisioning
Auth0 Keycloak Azure AD Google OAuth
E-commerce
Catalog, orders, fulfillment
Shopify WooCommerce Magento BigCommerce Squarespace
Search & Media
Search, media transforms, CDN
Algolia Meilisearch Cloudinary Imgix Elasticsearch Doofinder Coveo
Maps & Location
Geocoding, routing, tiles
Google Maps Mapbox OpenStreetMap
Shipping & Logistics
Rates, labels, tracking
Shippo EasyPost DHL UPS FedEx ShipStation ShipRocket
Notifications & RT
SMS, push, realtime updates
Twilio Firebase OneSignal Pusher CPaaS Supabase
Integration patterns
REST
Common JSON over HTTPS, which is standard for most SaaS providers.
GraphQL
Typed schema, request only the fields you need.
Webhooks
Event-driven callbacks with signatures and retries.
Event Streams
Kafka/Pub/Sub for high-volume asynchronous data.
Batch / ETL
S3/BigQuery exports, scheduled sync jobs.
API integration flow diagram
Typical flow: Your app ↔ Provider via REST/GraphQL + webhooks; retries, idempotency & monitoring ensure reliability.
Discuss your integration Request a Quote

Tech stack

Frontend
React Vue Blade/Tailwind Alpine.js
Backend
Laravel Node.js Spring Boot
Data & Cache
MySQL PostgreSQL Redis
Auth & Security
OAuth2/SSO JWT/Sanctum RBAC/ABAC OWASP
Cloud & DevOps
AWS GCP Docker Kubernetes GitHub Actions NGINX
Observability & QA
OpenTelemetry Sentry Lighthouse Playwright Pest/PHPUnit

Common integrations

Payments
Stripe PayPal Flutterwave Braintree Square Adyen Authorize.ne Paymentwall
Comms & CRM
HubSpot Salesforce Mailchimp SendGrid Zoho Pipedrive Zendesk Mailgun LinkedIn API
Analytics
GA4 PostHog Mixpanel BigQuery Amplitude
Search & Media
Algolia Meilisearch Cloudinary Imgix Elasticsearch Doofinder Coveo
Ask about your stack

Engagement models

Fixed-Scope

Best for well-defined projects
  • Detailed spec & estimate
  • Milestone billing
  • Change control for new scope
Request a Quote

Time & Materials

Best for evolving requirements
  • Flexible scope & priority
  • Weekly planning & demos
  • Scale team up/down
Talk to Us

Dedicated Team

Best for ongoing roadmaps
  • Cross-functional squad
  • Shared KPIs & cadence
  • Retainer billing
Check Availability

Recent web projects

View portfolio
Customer Analytics Portal

Customer Analytics Portal

Modern stack, performance-first build.

See details
Field Operations App

Field Operations App

Modern stack, performance-first build.

See details
Headless CMS Website

Headless CMS Website

Modern stack, performance-first build.

See details

Selected case studies

View all
Checkout Conversion Uplift

Checkout Conversion Uplift

+47% conversion with simplified flows & faster LCP

Read case study
B2B Admin Suite

B2B Admin Suite

Role-based access, audit logs, SSO, and reporting

Read case study
Content Platform at Scale

Content Platform at Scale

Structured data + caching for high-traffic publishing

Read case study

What clients say

“
Timely Coders delivered on time and beat our performance targets-our Core Web Vitals are finally green.
- Jane Mwangi, COO
“
Clean architecture, excellent communication, and a CI/CD setup our team loves.
- Daniel Kimani, CTO

FAQs

A focused MVP can ship in 6–10 weeks depending on scope, integrations, and design depth.

Yes-maintenance SLAs, upgrades, and a shared roadmap for iteration.

Absolutely. We frequently integrate SSO (OAuth/SAML) and CRMs like HubSpot or Salesforce.

Yes. We can sign your NDA or provide ours before deep discussions.

Ready to build an awesome product?

Share your high or low level requirements and we will propose a clear 30/60/90-day plan with milestones and KPIs.

Talk to Us Request a Quote