Our Technical Expertise
Legacy Script operates as a precision-engineering firm. We combine deep architectural foresight with modern agile execution to build high-capacity digital platforms. From bespoke backend systems to multi-cloud setups and automated QA checking — we engineer software built for structural longevity.
Core engineering disciplines
Explore our highly focused software development and engineering offerings in detail.
Software Development
Architecting bespoke, resilient, and enterprise-grade backend engines designed to solve high-concurrency challenges.
- Microservices & Symmetrical APIs
- Domain-Driven Design (DDD)
- Distributed database caching
- Enterprise CRM/ERP custom builds
Web Development
Building blazing-fast, SEO-dominant, highly secure web applications engineered with modern visual execution.
- Static & Server-Rendered Hubs
- Headless commerce architecture
- Corporate portals & LMS systems
- Advanced interactive dashboard UIs
Mobile Development
Engineering native and cross-platform mobile apps aligned with platform-specific hardware capabilities.
- iOS & Android native execution
- Flutter & React Native frameworks
- Offline-first local syncing algorithms
- Push notification engines & triggers
Quality Assurance
Automated regression testing, load simulations, and manual QA to ensure zero defect rates in production.
- E2E automated validation
- Performance load-stress simulations
- Rigorous visual regression checking
- SOC 2 & HIPAA security audits
DevOps Services
Structuring automated deployment pipelines and container architectures that remove scaling limits.
- CI/CD pipeline architecture
- Infrastructure as Code (IaC)
- Containerized server setups
- Auto-healing horizontal autoscaling
Cloud Consulting
Comprehensive cloud migration paths, architectural auditing, and FinOps cloud cost optimizations.
- Enterprise migration pipelines
- FinOps cloud budget audits
- Serverless cloud setup paths
- Multi-cloud hybrid configuration
Platforms & Ecosystems
Configuring, integrating, and optimizing global platform hubs to maximize enterprise software investment ROI.
- Salesforce CRM apex optimization
- Zapier & webhook sync adaptors
- Multi-AZ cloud pipeline designs
- Grafana capacity alert dashboards
How we engineer software
We combine strict architectural patterns with modern Devops tooling to ship secure platforms.
Domain-Driven Design (DDD)
We decompose massive, complex business scopes into isolated, self-governing sub-domains. This keeps codebase systems modular, eliminating coupling spaghetti and enabling future expansion without rewrite risks.
Well-Architected Infrastructure
We enforce high availability, disaster failovers, and spot scheduling. Our certified cloud architects optimize resource capacities to cut monthly cloud cost footprints by up to 40%.
Automated CI/CD Workflows
Every commit triggered executes automated static validation, TypeScript compile assertions, visual testing, and Playwright E2E checks. Passing builds rollout to servers automatically.
Radical Dev Transparency
We bypass standard agency silos. You get complete transparency through direct developer Slack access, staging system URLs, and interactive Git repositories.
Our verified technology wall
We select standard, widely supported LTS technologies optimized for horizontal scaling.