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Germán Küber

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

Microsoft MVP 8 consecutive years
Net-Baires Founder 100K+ developer community
Technical Talks 80+ .NET Conf, DevFest, vOpen
MEV Profit $100K+ Rust pipelines at Borderless
Kliver Co-Founder 500+ AI training platform users
Daily Volume $50M+ On-chain monitoring systems

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

Languages:Rust, Go, C#, TypeScript, Python
AI/ML:LLM System Design, OpenAI, Anthropic, LangChain, LangGraph, RAG, Prompt Engineering
Blockchain:MEV, Zero Knowledge, Cryptography, EVM, Solana, Foundry, Hardhat
Infrastructure:Docker, Kubernetes, AWS, Azure, Prometheus
Architecture:Domain Driven Design, Microservices, Event-Driven Systems

Soft Skills

Avid learnerCollaborative TeamworkRapid Learning & ResearchAdaptabilityClear Technical CommunicationEnd-to-end big pictureMentorship and CoachingDeep Focus / High-Concentration WorkResults-focusedAnalytical Problem-Solving

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