The Full Spectrum
20+ Engineering
disciplines. One Partner.
From AI-driven automation to legacy system modernization, we provide the specialized technical expertise that high-growth companies in Sri Lanka demand.
Enterprise Software Development
Solve complex operational challenges with bespoke enterprise software. We build scalable architectures that handle millions of transactions, ensuring high availability and rock-solid security for Sri Lankan conglomerates.
AI & Machine Learning Integration
Stay ahead of the curve by integrating Generative AI and LLMs into your existing workflows. We build custom RAG pipelines, intelligent chatbots, and predictive models that turn your data into a competitive weapon.
SaaS Product Engineering
Turning an idea into a scalable SaaS product is our specialty. We handle everything from multi-tenancy architecture and subscription billing to automated onboarding and user growth analytics.
Deep Technical Expertise.
Beyond basic development, we offer specialized engineering services that optimize performance and secure your digital assets.
Legacy System Modernization
Replace or refactor outdated legacy systems with modern stack without data loss or downtime. Essential for banks and insurance providers.
DevOps & CI/CD Pipelines
Automated deployment workflows using GitHub Actions and AWS/Azure to launch updates faster and more reliably.
Cybersecurity Audits
Penetration testing and security hardening to protect your customer data from evolving cyber threats.
FinTech & local PG Integration
Deep integration with PayHere, Sampath IPG, and Commercial Bank gateways for high-volume transactions.
Blockchain & Smart Contracts
Decentralized solutions for transparent supply chain tracking and secure asset management.
Progressive Web Apps (PWA)
Desktop-class web experiences that work offline and live on the user's home screen without app store friction.
IoT Ecosystem Development
Connecting hardware with software. Real-time data streaming and remote monitoring for industrial applications.
UI/UX Design Strategy
Data-driven design processes that prioritize conversion rates and user retention through psychological triggers.
Big Data & BI Solutions
Transforming raw database logs into interactive, actionable business intelligence dashboards.
Automated QA Testing
Unit, integration, and end-to-end testing systems that catch bugs before your users do.
Performance Optimization
Achieving 95+ Lighthouse scores and Core Web Vitals to improve Google rankings and user satisfaction.
Cloud Migration (AWS/GCP)
Moving your on-premise servers to a scalable, cost-optimized cloud environment with zero data leakage.
App Store Optimization (ASO)
Technical and creative strategies to boost your mobile app ranking and organic downloads.
Headless CMS Architecture
Using Strapi or Contentful for omnichannel content distribution across web, mobile, and IoT devices.
Voice & Conversational AI
Advanced NLP chatbots and voice-activated interfaces to automate customer support in English, Sinhala, and Tamil.
Data Migration & ETL
Seamless transfer of complex relational data between platforms with guaranteed integrity and cleaning.
Elasticsearch & Fast Search
Implementing lightening-fast search engines for high-volume marketplaces and documentation hubs.
CDN & Edge Computing
Global content delivery setup to ensure your platform loads within milliseconds regardless of user location.
Custom API Design (REST/GraphQL)
Building high-performance APIs that allow your systems to talk to each other and third-party apps.
Technical SEO Architecture
Ensuring every line of code is crawler-friendly. We build for search engine dominance from day one.
The Addix Advantage: Engineering for Dominance
Most software companies in Sri Lanka are production houses—they take orders and build what you ask. At Addix (PVT) LTD, we operate as a strategic technology partner. We understand that in the modern economy, your technology stack is your strongest competitive advantage.
Whether we are implementing Legacy System Modernization for a decade-old banking infrastructure or training Custom LLMs for an e-commerce giant, our focus remains on business outcomes. We don't just deliver code; we deliver assets that scale with your growth.
Our Colombo-based team of senior engineers and solution architects ensures that every project follows international standards (ISO-compliant coding practices, OWASP security protocols, and Agile methodologies). This is why we are trusted with the most complex digital transformation projects in the region.
Ready to upgrade your technology?
Consult with our senior architects to map out your digital roadmap.
Book a Technical Audit