Architecting High-Scale Digital Platforms & Cloud Infrastructure
Solathat Limited delivers enterprise web architecture, zero-downtime platform migrations, and decoupled CMS backends. We partner with industry leaders and global consultancies to engineer resilient, high-concurrency digital solutions.
Trusted Engineering Partner to Enterprise Organizations & Consultancies
Enterprise Digital Engineering Solutions
High-concurrency architecture, decoupled systems, and cloud modernization designed for enterprise scalability and reliability.
Enterprise Web & CMS Platforms
Scalable, secure digital experience platforms built for high-traffic operations.
We engineer enterprise-grade Drupal and modern PHP platforms designed to handle complex content models, multi-site governance, and demanding concurrency requirements.
- ▹Custom module engineering & typed data configuration schemas
- ▹Multi-site architecture & centralized governance
- ▹High-concurrency caching & Varnish / Redis optimization
- ▹Enterprise workflow customization & granular access controls
Decoupled & Headless Architecture
API-first digital experiences powering modern web and mobile applications.
We design resilient API layers that bridge enterprise backend content repositories with modern frontend frameworks, enabling seamless omni-channel delivery.
- ▹High-performance JSON:API and GraphQL backend service architecture
- ▹Real-time webhook synchronization and smart cache invalidation
- ▹Robust OAuth2 authentication, rate limiting, and API gateways
- ▹Integration with Next.js, React, and mobile consumer interfaces
Platform Modernization & Migrations
De-risking legacy transitions with zero-downtime cutovers.
We modernize complex legacy web systems, executing seamless migrations of petabyte-scale databases, millions of content items, and mission-critical custom modules.
- ▹End-to-end Drupal 7/8/9 to Drupal 10/11 migration roadmaps
- ▹Automated ETL pipelines & database schema normalization
- ▹Refactoring custom modules to modern object-oriented standards
- ▹Rigorous data validation, test suites, and zero-downtime cutover
Cloud Infrastructure & Platform DevOps
Automated, reproducible infrastructure engineered for 99.99% availability.
We build and automate enterprise cloud hosting environments on AWS and Azure with multi-branch CI/CD pipelines, containerization, and proactive monitoring.
- ▹Automated CI/CD workflows using GitHub Actions and GitLab CI
- ▹AWS platform architecture (EC2, RDS, S3, CloudFront, VPC)
- ▹Azure cloud deployments and environment orchestration
- ▹Docker-based local environments for standardized team workflows
Platform Security & Performance Auditing
Uncompromising code quality, vulnerability mitigation, and speed optimization.
Backed by direct Drupal Security Team insights, we conduct comprehensive codebase audits, identify vulnerabilities, and remediate performance bottlenecks.
- ▹In-depth security audits & penetration defense validation
- ▹Database slow-query profiling and indexing optimizations
- ▹CDN edge routing, WAF configuration, and DDoS resilience
- ▹Core Web Vitals remediation and asset delivery tuning
Technical Advisory & Solution Architecture
Strategic technical direction and engineering leadership for complex initiatives.
We serve as fractional technical directors and solution architects, conducting technical spikes, validating vendor solutions, and establishing coding standards.
- ▹Enterprise Solution Architecture and technical discovery
- ▹Proof of Concept (PoC) design and technical risk mitigation
- ▹Code review governance and engineering standards enforcement
- ▹Technical vendor evaluation and architecture review board representation
Industries We Serve
Domain-specific architecture addressing the unique compliance, scalability, and integration requirements of each sector.
Transportation & High-Speed Rail
Designing decoupled, high-availability digital CMS architectures that power booking workflows, timetable publishing, and real-time passenger communications across multiple European markets.
Global IT & Digital Agencies
Partnering with tier-1 digital agencies and global consultancies as a specialist solution architecture practice to lead technical delivery on high-stakes enterprise client contracts.
Financial & Enterprise Services
Modernizing legacy digital platforms into secure, compliant, and modern CMS architectures with strict data governance, granular access controls, and audited security standards.
Digital Commerce & High-Scale Media
Engineering decoupled commerce backends and high-concurrency publishing engines equipped to handle massive traffic spikes during product launches and live promotional events.
Featured Enterprise Case Studies
Real architectural challenges solved by Solathat Limited for global transport operators, tier-1 consultancies, and digital enterprises.
Decoupled CMS Architecture for International High-Speed Rail
Eurostar required a modern, highly scalable digital platform to decouple content management from frontend presentation, allowing rapid feature releases and unified multilingual content delivery.
Solathat architected and implemented a fully decoupled Drupal 8 backend, exposing structured RESTful APIs to frontend consumer applications while empowering content teams with an intuitive editorial interface.
Delivered a resilient, API-first content platform operating in an agile Kanban framework, significantly accelerating content publishing cycles across international markets.
Solution Architecture & Enterprise Quality Governance
Managing complex enterprise web deliveries across globally distributed engineering teams while maintaining strict technical standards, continuous improvement, and dependable release schedules.
Solathat provided Senior Solution Architecture consulting, designing microservices architectures, conducting Proof of Concepts (PoCs), leading rigorous code reviews, and publishing company-wide technical best practices.
Elevated codebase quality, streamlined release planning and deployment execution, and ensured predictable delivery across multi-tier enterprise web systems.
Decoupled Backend Architecture & Open Source Contributions
Building high-performance commerce systems requiring robust automated test coverage, frictionless CI/CD pipelines, and clean decoupled communication with modern frontend consumers.
Solathat designed JSON:API backend services, implemented comprehensive automated test suites, resolved CI/CD infrastructure blockers, and packaged reusable components back to Drupal.org.
Created a scalable, decoupled architecture with high automated test coverage that expedited feature delivery and contributed enhancements to the open-source community.
Legacy Platform Modernization & Drupal 8 Migration
A complex legacy system required strategic modernization to Drupal 8, involving intricate custom module refactoring, database normalization, and large-scale content/media migration.
Solathat analyzed existing architecture, designed the functional target state in Drupal 8, executed automated ETL content and media migrations, and ported custom Drupal 7 modules with thorough peer code reviews.
Seamlessly migrated legacy assets into a clean, maintainable Drupal 8 architecture, eliminating technical debt and establishing a solid foundation for future iterations.
Module Architecture & Community Ecosystem Porting
Enterprise clients needed critical custom and contributed Drupal 7 modules ported and modernized for Drupal 8 compatibility according to rigorous community coding standards.
Solathat conducted architectural code reviews, analyzed custom module logic, engineered robust Drupal 8 ports, and contributed module updates directly to Drupal.org.
Successfully modernized critical module dependencies, ensuring seamless upgrade paths for enterprise clients and advancing open-source ecosystem compatibility.
Our Engineering Methodology
A battle-tested 4-stage engineering framework ensuring architectural precision, predictability, and zero-downtime execution.
Architectural Discovery & Technical Blueprint
De-risking initiatives before writing the first line of code.
We audit your existing systems, analyze data models, evaluate security and compliance constraints, and formulate an actionable technical blueprint with clear milestones.
Test-Driven Agile Engineering
High-velocity development backed by rigorous standards.
Our engineering practice follows strict object-oriented patterns, Drupal coding standards, and test-driven development to ensure clean, maintainable code with zero bloat.
Multi-Branch CI/CD & Automated Pipelines
Predictable, automated deployments with zero downtime.
We implement robust continuous integration and deployment pipelines across staging and production environments, incorporating automated linting, test runs, and database synchronization.
Performance Optimization & Ongoing Governance
Ensuring long-term stability, speed, and security compliance.
Post-launch, we profile platform metrics, optimize edge caching layers, perform routine security updates, and provide high-level architectural oversight.
Open Source & Security Leadership
Open-source software powers the modern enterprise. At Solathat Limited, engineering leadership extends beyond client projects into maintaining core subsystems, auditing security vulnerabilities, and releasing modules relied upon by millions worldwide.
Configuration Translation (Drupal Core)
Co-maintainer of the Configuration Translation subsystem in Drupal core.
Drupal Security Team
Active member (Provisional) auditing, reviewing, and securing the ecosystem since 2019.
HTTP Response Headers
Module author for fine-grained HTTP header and security policy controls.
Date & Apple News Integrations
Maintainer and contributor to key ecosystem modules and publishing integrations.
Solathat Limited
Digital Engineering & Advisory
Enterprise Engineering Built on Technical Depth
Solathat Limited is a London-based digital engineering and IT architecture firm established in 2016. We specialize in architecting, migrating, and securing high-traffic enterprise web platforms and cloud infrastructure.
Unlike traditional agencies that dilute engineering quality through layers of middle management and junior handoffs, Solathat operates with high technical density. Our solutions are designed, coded, and governed according to official enterprise and open-source standards.
Direct technical partnership with senior architects, maximizing velocity and precision.
Battle-tested on mission-critical platforms for Eurostar, TCS, Acro Media, and Synechron.
Request a Technical Proposal or RFP Consultation
Whether you are scoping a platform modernization, decoupled architecture, or require specialist solution architecture for an enterprise bid, our practice is ready to assist.