Germán Küber
Staff Engineer — Systems, AI & Blockchain | Microsoft MVP
Microsoft MVP for 8 consecutive years. Founder of Net-Baires, Argentina's largest dev community (100K+ members). 15+ years building systems that move money, ship products, and scale—from low-latency trading (Rust/MEV) to AI platforms (LLM/RAG) to enterprise architectures. Technical leader who builds teams, drives architectural decisions, and represents products on stage—80+ talks at .NET Conf, DevFest, NetCoreConf, vOpen, and more across LATAM & Europe.
Key Achievements
Work Experience
Co-Founder & Lead AI Architect
KliverAI (Own Venture)
04/2025 - 04/2026
- •Founded and built Kliver—an AI platform that converts expert knowledge into scalable training simulations. Full architecture (Python + .NET + Kubernetes) supporting 500+ users in dynamic roleplay scenarios.
- •Implemented low-latency real-time audio pipelines using OpenAI Realtime API and SignalR, achieving <200ms response time for streaming text/audio and event-driven interactions.
- •Developed the adaptive simulation engine with LangGraph, including step navigation (H/HH/HHH), success/failure logic, and RAG-powered personalization with 90%+ context relevance.
- •Integrated multiple LLM providers (OpenAI, Gemini, Anthropic) with dynamic model routing for cost optimization and performance tuning across different simulation contexts.
- •Designed a decentralized marketplace for human evaluation criteria using Zero-Knowledge proofs and blockchain—enabling privacy-preserving, verifiable expert judgment at scale.
- •Built a Chrome Extension for real-time meeting capture (Google Meet), streaming transcripts to Kliver's analysis pipeline for automated performance evaluation.
Fractional CTO (Part-time)
Rocking Product
04/2025 - 11/2025
Buenos Aires
- •Led and restructured a team of 8 engineers, redefining roles, processes, and delivery workflows—improving delivery velocity and overall code quality.
- •Collaborated directly with clients to define product requirements and roadmap priorities, bridging technical constraints with business decisions.
- •Shipped multiple AI-powered features to production, establishing engineering best practices and CI/CD workflows across the team.
- •Implemented AI-driven development workflows with autonomous agents automating code review, testing, deploys, and monitoring—significantly reducing manual overhead.
- •Optimized LLM usage and cloud infrastructure through model selection, prompt efficiency, and caching strategies—reducing API and cloud spend by 45%+.
- •Proposed and led full stack migration from JavaScript to .NET, modernizing the architecture for long-term scalability and team productivity.
Lead Software Engineer
Borderless Capital / CTF. Capital
08/2021 - 04/2025
- •Designed and implemented high-performance MEV searcher pipelines in Rust for both EVM and Solana, generating $100K+ annual profit with <10ms execution latency through custom networking and parallel transaction broadcasting.
- •Built custom transaction delivery systems (RPC + direct validator/TPU routes), achieving sub-slot execution (~400ms) and improving inclusion probability by 35% under heavy mempool competition.
- •Developed strategy logic including liquidation detection, multi-hop arbitrage across 5+ DEXs, and cross-chain flow modeling—monitoring $50M+ daily on-chain volume and processing 10K+ opportunities/day.
- •Implemented low-latency monitoring and analytics using Prometheus + custom Rust telemetry, tracking 50+ metrics in real-time for slot timing, validator rotation, and execution performance.
- •Conducted research and proof-of-concept development on zero-knowledge technologies and L2 ecosystems (StarkNet, ZK circuits, account abstraction).
- •Deep-dived into Geth (Go-Ethereum) codebase using Go, debugging and reverse-engineering EVM internals to optimize transaction simulation and gas estimation accuracy.
Sr. Software Architect (Front-End / Back-End)
Paramo Technology
08/2020 - 08/2021
- •Led all architecture decisions for a large-scale online casino platform, defining core systems, services, and technical standards across the organization.
- •Conducted technical interviews and built high-performance engineering teams aligned with the company's product and scalability needs.
- •Organized and delivered internal training sessions to upskill developers, establish best practices, and improve engineering consistency.
- •Collaborated across all departments to align product, engineering, and infrastructure requirements, ensuring reliable and scalable platform growth.
Software Architect (Front-End / Back-End)
CloudX
08/2017 - 08/2020
Buenos Aires
- •Designed scalable Angular/React solutions and reusable UI components, leading architecture decisions across multiple product lines.
- •Implemented microservices-based backend architecture and domain-driven designs to support high-availability enterprise applications.
- •Delivered technical training and conference talks for partners and internal teams, improving engineering practices and cross-team alignment.
- •Collaborated directly with clients through on-site visits, gathering requirements, refining product roadmaps, and ensuring successful technical adoption.
Software Architect (Angular / .NET)
Majestic Hotel Group
01/2014 - 08/2017
- •Estimated tasks and developed full-stack features using Angular and .NET for internal hotel management applications.
- •Led the migration from AngularJS to Angular 4, improving maintainability, performance, and code consistency across the platform.
- •Redesigned the data model and refactored backend workflows toward an event-oriented architecture, reducing coupling and simplifying integrations.
- •Defined and documented backend and frontend development processes to streamline deployments and team collaboration.
.Net Web Developer
Plus54
08/2009 - 03/2014
Buenos Aires
- •Developed .NET web applications and internal tools, delivering features across backend and frontend.
- •Designed and built early mobile application components, collaborating with senior developers on architecture and UX.
- •Integrated external services and APIs, implementing unit tests and ensuring reliable data exchange between systems.
Skills
Soft Skills
Education
Systems Engineer
UAI - Universidad Abierta Interamericana
01/2017 - 12/2021
Buenos Aires, Argentina
Honor Awards
Microsoft MVP Developer Technologies
02/2017 - Present
Microsoft
Microsoft Student Partners
01/2016 - Present
Microsoft
Recognition for effort in university and the community.
Volunteer Experience
Programá tu futuro
Buenos Aires Government - Volunteer Program
02/2015 - 10/2015
Buenos Aires
- •Volunteered as programming instructor for underprivileged youth, teaching fundamentals of software development and computational thinking.
- •Designed hands-on coding workshops introducing kids to programming concepts, helping them build their first applications.
Public Speaking
- •80+ technical talks at .NET Conf, DevFest, NetCoreConf, vOpen, Global Azure Bootcamp, and meetups across LATAM & Europe
- •Topics: Rust, Blockchain, ZK, .NET, Software Architecture, Design Patterns, AI/LLMs
- •Active YouTube channel with technical content and educational videos
Organizations
Net-Baires (.NET Community)
Founder — 01/2015 - Present
100K+ members, 10+ years building Argentina's largest .NET developer community
Crypto Para Mortales (Conference)
Founder — 01/2023 - Present
Blockchain & crypto education conference
Patrones Para Mortales
Founder — 03/2020 - Present
Design patterns educational content
Languages
Spanish
Native or Bilingual Proficiency
English
Full Professional Proficiency
Performance Arts
- •Stage Magic — Member of Círculo Mágico de España, performing live shows with storytelling and misdirection
- •Stand-up Comedy — Open mics and comedy nights, developing improvisation under pressure
- •Theater & Improv — 10+ years performing live, applied to team facilitation and high-stakes communication
- •Hypnosis & Mentalism — Studying suggestion, non-verbal communication, and audience psychology