Building the Future with Advanced Software Engineering

Rainier Technologies LLC delivers bespoke software development services, specializing in cutting-edge solutions for cybersecurity, high-performance computing, and advanced AI systems. We partner with businesses to build robust, scalable, and secure digital infrastructure.

Who We Are

Rainier Technologies LLC is a dynamic software development firm committed to pushing the boundaries of technology. Our team comprises seasoned experts in systems engineering, cybersecurity, machine learning, and artificial intelligence, dedicated to crafting innovative solutions that address complex technical challenges and drive tangible business value.

We provide high-value, contract-based software development services, ensuring precision, performance, and confidentiality in every project.

Our Core Offerings

Custom Software Development

Contract-based software engineering for specialized needs.
Full lifecycle development from concept to deployment.

Cybersecurity Solutions

Anti-Malware Development: File format parsers, malware analysis tools, threat intelligence systems.
Endpoint Security: Lightweight client sensors, Host-based Intrusion Prevention Systems (HIPS), hook-based clients.
Advanced Event Extraction: Static, behavioral, kernel, and CPU performance counters-based event telemetry.

Machine Learning & AI Engineering

High-Performance ML Backends: Design and implementation of highly scalable and performance-optimized machine learning solutions.
LLM & Agentic AI Solutions: Development of Large Language Model (LLM) applications and sophisticated AI agents.
AI Cost Optimization: Semantic caching and other techniques for efficient and cost-effective AI deployments.
Feature Engineering: Feature identification, extraction, and engineering for robust ML models.

Systems & Kernel Development

General hypervisor and kernel-level feature development.
Low-level systems programming and optimization.

Privacy & Cryptography

Privacy-preserving solutions.
Cryptographic privacy techniques, including Trusted Execution Environments (TEEs).