Web Development Agency

Business leaders, startup founders, and product teams needing scalable web applications that handle growth without breaking

What You Get

What's Included in Our Web Development Agency

Key deliverable

Frontend Development

Build responsive, accessible user interfaces with modern frameworks—Angular (our specialty), React, or Vue—delivering smooth interactions, real-time updates, and mobile-responsive designs that work across all devices and browsers.

  • Angular development with TypeScript, RxJS reactive programming, and component-based architecture for maintainable enterprise applications
  • Responsive UI design working seamlessly across desktop (1920px+), tablets (768px-1024px), and mobile (320px-767px) with touch-optimized interactions
  • Real-time updates using WebSockets or Server-Sent Events for live dashboards, notifications, and collaborative features
  • Accessibility compliance meeting WCAG 2.1 AA standards with keyboard navigation, screen reader support, and semantic HTML
Key deliverable

Backend API Development

Build scalable REST and GraphQL APIs with NestJS (our specialty), Node.js, Django, or .NET—handling authentication, business logic, data validation, and third-party integrations with enterprise-grade reliability.

  • NestJS API development with TypeScript, dependency injection, modular architecture, and comprehensive testing for maintainable backends
  • RESTful API design following industry standards with proper HTTP methods, status codes, versioning, and documentation via Swagger/OpenAPI
  • GraphQL implementation when frontend requires flexible data fetching, reducing over-fetching and optimizing mobile bandwidth
  • Authentication and authorization with JWT tokens, OAuth 2.0, role-based access control (RBAC), and session management
Key deliverable

Database Design & Optimization

Design efficient relational databases with MySQL (our specialty) or PostgreSQL, plus NoSQL options like MongoDB when needed—optimizing queries, indexing strategies, and data models for performance at scale.

  • MySQL database design with normalized schemas, foreign key constraints, indexing strategies, and query optimization for sub-100ms response times
  • Database migrations with version control, rollback capabilities, and zero-downtime deployments using tools like TypeORM or Prisma
  • Query optimization analyzing slow queries with EXPLAIN plans, adding composite indexes, and implementing database-level caching
  • Data modeling for complex business logic ensuring data integrity with constraints, triggers, and stored procedures where appropriate
Key deliverable

Cloud Infrastructure & DevOps

Deploy to Google Cloud Platform with Cloud Run for serverless container orchestration, automated CI/CD pipelines, infrastructure-as-code, monitoring, and auto-scaling supporting traffic spikes without manual server management.

  • Google Cloud deployment with Cloud Run (serverless containers), Cloud SQL, Cloud Storage, Cloud CDN, and Load Balancers ensuring 99.9% uptime with automatic scaling from zero to thousands of instances
  • Docker containerization with Cloud Run enabling consistent environments from development through production with automatic scaling, no Kubernetes complexity
  • CI/CD pipelines with GitHub Actions, GitLab CI, or Cloud Build automating testing, building, and deployment on every code commit with direct Cloud Run integration
  • Infrastructure-as-code using Terraform for Google Cloud resources enabling reproducible environments and disaster recovery across projects
Key deliverable

Security & Compliance

Implement enterprise-grade security following OWASP guidelines—protecting against SQL injection, XSS, CSRF, and ensuring GDPR, HIPAA, or SOC 2 compliance based on industry requirements.

  • OWASP Top 10 protection preventing SQL injection, XSS, CSRF, broken authentication, and security misconfigurations through secure coding practices
  • Data encryption with TLS 1.3 for data in transit and AES-256 for sensitive data at rest (passwords, PII, payment info)
  • Authentication security using bcrypt or Argon2 password hashing, secure session management, rate limiting, and brute-force protection
  • GDPR compliance features including user consent management, data export capabilities, right-to-deletion workflows, and audit logging
Key deliverable

Testing & Quality Assurance

Comprehensive testing strategy with unit tests, integration tests, end-to-end tests, and performance testing ensuring code quality, preventing regressions, and validating business logic before production deployment.

  • Unit testing with Jest, Jasmine, or Pytest achieving 80%+ code coverage for business logic and critical paths
  • Integration testing validating API endpoints, database interactions, and third-party integrations with realistic test data
  • End-to-end testing using Cypress, Playwright, or Selenium automating user workflows and catching UI regressions
  • Performance testing with Apache JMeter or k6 simulating 10,000+ concurrent users and identifying bottlenecks before production
Our Process

From Discovery to Delivery

A proven approach to strategic planning

Define business requirements, technical architecture, and project roadmap aligned with user needs and scalability goals
01

Discovery & Planning • 1-2 weeks

Define business requirements, technical architecture, and project roadmap aligned with user needs and scalability goals

Deliverable: Technical architecture document, requirements specification, database schema design, project timeline with milestones

View Details
Design intuitive user interfaces with responsive layouts, user flow optimization, and interactive prototypes validating design before development
02
Build scalable REST or GraphQL APIs with business logic, authentication, database integration, and third-party service connections
03
Build responsive frontend with modern JavaScript frameworks, real-time updates, form validation, and optimized performance
04
Comprehensive testing including unit, integration, end-to-end, performance, and security testing ensuring production readiness
05
Deploy to production with automated CI/CD pipelines, monitoring setup, DNS configuration, and staged rollout for risk-free launch
06

Why Trust StepInsight for Web Development Agency

Experience

  • 10+ years building scalable web applications with Angular, NestJS, MySQL, and modern full-stack technologies across 18 industries
  • 300+ successful web application launches with 99.5% average uptime handling real-world traffic and business-critical operations
  • Expertise across SaaS platforms (serving 100,000+ users), internal business tools (automating complex workflows), e-commerce solutions (processing millions in transactions), and enterprise dashboards (consolidating data from 20+ sources)
  • Partnered with companies from pre-seed concept through Series B scale, launching MVPs and growing to platforms serving millions of requests daily
  • Global delivery experience across US, Australia, Europe with offices in Sydney, Austin, and Brussels

Expertise

  • Frontend development with Angular (our specialty), React, Vue.js, TypeScript, responsive design, and accessibility compliance (WCAG 2.1 AA)
  • Backend API development with NestJS (our specialty), Node.js, Django, .NET, REST and GraphQL architecture, microservices patterns
  • Database design and optimization with MySQL (our specialty), PostgreSQL, MongoDB, query optimization, indexing strategies, and migration management
  • Cloud infrastructure and DevOps using AWS, Azure, Google Cloud, Docker, Kubernetes, CI/CD pipelines, infrastructure-as-code, and monitoring

Authority

  • Featured in industry publications for modern web development best practices and scalable architecture patterns
  • Guest speakers at web development and startup conferences across 3 continents
  • Strategic advisors to accelerators and venture capital firms on portfolio company technical architecture and execution
  • Clutch-verified with 4.9/5 rating across 50+ client reviews
  • Active contributors to Angular, NestJS, and TypeScript open-source communities with published tools and libraries

Ready to start your project?

Let's talk custom software and build something remarkable together.

Investment

Investment & Pricing for Web Development Agency

Fixed-price engagements with clear deliverables and no surprise fees

Web Application MVP

from $20,000
Best for: Pre-seed & MVP

For startups launching first web app with validated idea needing MVP in 8-12 weeks for pilot customers or investor demos.

8-12 Week Sprint
MVP Scope
Full-Stack App
Get Started
Most Popular

Full-Featured Web Platform

from $40,000
Best for: Scaling SaaS

For growing businesses needing comprehensive SaaS platforms with advanced features, scalability, and production-grade quality.

Full Product Team
Advanced Features
Scalable Platform
Scale Now

Enterprise Web Platform

$200,000+ - $400,000+
Best for: Enterprise

For enterprise organizations needing complex web platforms with advanced security, compliance (HIPAA, SOC 2), and multi-tenant architecture.

Enterprise Security
Advanced Analytics
Dedicated Team
Contact Us

Custom Web Development Agency vs. Off-the-Shelf Solutions

See how our approach transforms outcomes

Details:

8-12 weeks for MVP launch with production-ready quality and scalable architecture. Full-featured SaaS platforms launch in 3-6 months with enterprise-grade security and performance. Agile sprints with weekly demos maintain momentum and stakeholder visibility. Proven architecture patterns accelerate development 3-5x compared to building from scratch.

Details:

DIY web development with inexperienced teams takes 12-24+ months for production launch as teams learn full-stack development, debug frontend-backend integration issues, and struggle with deployment complexities. Many projects never launch—45% of internal web projects are abandoned or indefinitely delayed due to scope creep, technical challenges, or team turnover.

Details:

$30k-$80k for MVPs, $80k-$200k for full-featured web apps, $200k-$400k for complex enterprise platforms. Clear scope with fixed milestones reduces budget uncertainty. No recruiting, onboarding, or overhead costs. Architecture designed for scalability from start preventing costly rewrites as business grows.

Details:

$200k-$500k+ for internal development factoring fully-loaded costs of full-stack engineers ($120k-$180k salaries), 12-24 month timelines, architectural mistakes requiring rewrites, and opportunity cost of delayed launch. Building in-house requires frontend, backend, DevOps, and QA expertise—rarely available in single team.

Details:

Production-ready quality with sub-3-second page loads, 99.5% average uptime, and enterprise-grade security following OWASP guidelines. Automated testing with 80%+ code coverage prevents regressions. Scalable architecture supports 100,000+ concurrent users. Clean, documented code enables feature additions without technical debt accumulation.

Details:

Inconsistent code quality from inexperienced teams results in poor performance (5-15 second page loads), frequent crashes (95-97% uptime), security vulnerabilities from OWASP Top 10 oversights (SQL injection, XSS, authentication bypass), and unmaintainable code with no documentation requiring expensive rewrites within 18-24 months.

Details:

Enterprise-grade security implementing OWASP Top 10 protections, AES-256 encryption, secure authentication with bcrypt password hashing, rate limiting, and SQL injection prevention. GDPR, HIPAA, and SOC 2 compliance based on industry requirements with audit trails and documentation. Security testing and penetration testing before launch identifying vulnerabilities proactively.

Details:

Security vulnerabilities common in DIY projects: SQL injection from unsanitized inputs, XSS from improper output encoding, broken authentication with weak password policies, exposed secrets in source code, and no HTTPS or encryption. Compliance gaps (GDPR, HIPAA, SOC 2) discovered during audits causing launch delays and regulatory fines.

Details:

Scalable architecture from day one supporting traffic growth without rewrites. Database query optimization with indexing strategies achieving sub-100ms response times. Redis caching for frequently accessed data. Asynchronous job processing for heavy tasks. Load balancer configuration and horizontal scaling capabilities. Proven to support 100,000+ concurrent users.

Details:

Applications built without scalability planning crash under load as user base grows. Common issues: N+1 database queries causing timeouts, no caching leading to repeated calculations, synchronous processing blocking requests, and database table locks from poor schema design. Scaling requires expensive architecture rewrites when growth arrives.

Details:

Performance-first development achieving sub-3-second page loads through database query optimization (EXPLAIN analysis, composite indexes), frontend bundle optimization (code splitting, tree shaking), image compression and lazy loading, CDN for static assets, and performance monitoring identifying bottlenecks proactively. Performance testing with 10,000+ concurrent users before launch.

Details:

Slow page loads (10-30 seconds) frustrate users and hurt conversion rates. Common bottlenecks: unoptimized database queries, missing indexes causing full table scans, large JavaScript bundles (5-10MB), uncompressed images, no CDN, and synchronous API calls. Performance problems discovered after launch require costly optimization efforts delaying feature development.

Details:

Automated CI/CD pipelines deploy updates within hours with automated testing preventing regressions. Comprehensive monitoring with real-time alerts for errors and performance issues. Modular architecture with clear separation of concerns enables confident changes. 20-30% of time spent on maintenance vs 70-80% on new features. Documentation enables smooth handoffs to internal teams or other developers.

Details:

Internal teams spend 60-80% of time on maintenance vs new features: fixing bugs, patching security vulnerabilities, updating dependencies, ensuring browser compatibility, and handling server issues. No CI/CD means manual testing and deployment consuming days per release. Technical debt accumulates making future changes riskier and more expensive.

Details:

Technology selection based on business requirements, team expertise, and production track record. Angular/NestJS/MySQL (our proven stack) for enterprise reliability, or React/Vue, Django, PostgreSQL when business needs dictate. Architecture patterns battle-tested across 300+ production deployments. Database schema design optimized for query patterns and growth. Flexibility to integrate with existing systems or technologies.

Details:

Teams often choose familiar but outdated technologies (PHP 5, jQuery, no framework) or trendy but unproven frameworks creating long-term maintenance challenges. Mismatched frontend-backend choices cause integration friction. Database design mistakes discovered after launch require complex migrations with downtime risk. Stack decisions made without production scalability consideration.

Frequently Asked Questions About Web Development Agency

Bring in an agency when a web platform is strategically important but you don't yet have the full-stack team, time, or architecture experience to build it in-house. Typical moments are first product launches, major rebuilds of legacy systems, tight investor or customer deadlines, or when you need scalable, secure foundations from day one.

Costs depend on scope, complexity, and compliance needs. A focused MVP for a few core workflows is often similar to a few months of senior engineering, while large, integrated platforms with strict security or uptime requirements cost more. We tie budgets to clear business outcomes so you can weigh investment against efficiency, revenue, or risk reduction.

You get a production-ready web application, full source code, and all design assets. We also provide environment and deployment configuration, API specifications, database schemas, basic monitoring setup, and documentation covering architecture and key workflows. The goal is that your team can operate, extend, or hand off the system without guesswork.

A small MVP can often ship in 8 to 12 weeks, assuming focused scope and a clear decision-maker. More complex platforms with multiple roles, integrations, or heavy reporting typically run for several months. We divide work into phases so you can launch meaningful slices early and evolve features based on real user feedback and metrics.

We specialise in long-lived, maintainable systems rather than quick one-off builds. That means opinionated architecture, automated testing where it counts, and attention to observability and security. We collaborate closely with your product and internal teams, and we design for future change so new features are easier and safer to add over time.

We use modern, widely adopted stacks—for example TypeScript, React or Next.js on the frontend, and Node/Nest or similar backends backed by relational databases like PostgreSQL. We adapt to your existing ecosystem where it makes sense, and we lean on proven tooling for CI/CD, monitoring, logging, and infrastructure so your team can support the system confidently.

Yes. We routinely integrate with CRMs, ERPs, payment gateways, identity providers, and internal APIs. Integrations are designed with clear contracts, robust error handling, and appropriate security so that your web app fits into your existing landscape without brittle point‑to‑point hacks that are hard to maintain later.

Security is addressed throughout the project: input validation and sanitisation, proper authentication and authorisation, encrypted transport, secure session handling, and careful secrets management. We follow common best practices and frameworks like OWASP, and we architect around least privilege and defence in depth so a single mistake is less likely to become a major incident.

Yes. We start with an audit of your current application and infrastructure, then propose a migration or modernisation path that balances risk and value. That might mean refactoring in place, carving out new services, or rebuilding critical areas while keeping stable parts. We aim for incremental steps rather than big-bang rewrites whenever possible.

We offer post-launch arrangements that can cover bug fixes, security updates, dependency upgrades, and small improvements. Some clients keep a regular retainer; others bring us back for specific initiatives. In all cases, you retain full access to code and infrastructure, so you can also transition to an in-house team at any time.

New features go through a lightweight discovery and scoping process so we understand the impact, then they’re delivered in small, testable increments. We prioritise work with you based on business value, and we use staging environments and feature flags where appropriate so you can validate changes safely before they reach all users.

What our customers think

Our clients trust us because we treat their products like our own. We focus on their business goals, building solutions that truly meet their needs — not just delivering features.

Lachlan Vidler
We were impressed with their deep thinking and ability to take ideas from people with non-software backgrounds and convert them into deliverable software products.
Jun 2025
Lucas Cox
Lucas Cox
I'm most impressed with StepInsight's passion, commitment, and flexibility.
Sept 2024
Dan Novick
Dan Novick
StepInsight work details and personal approach stood out.
Feb 2024
Audrey Bailly
Trust them; they know what they're doing and want the best outcome for their clients.
Jan 2023

Ready to start your project?

Let's talk custom software and build something remarkable together.