Darren Jensen

- Built an autonomous multi AI agent system using LangGraph that audits EVM and Solana DeFi protocols and produces working proof-of-concept exploits with audit-grade reports. - Designed a pluggable LLM runtime (Claude / Codex) with per-agent model selection - Designed a parallel agent pipeline automated scoping from bounty platforms, static analysis, fuzzing, invariant testing, and fork-based PoC validation across iterative review rounds. - Implemented safe exploit reproduction on ephemeral mainnet forks with layered anti-broadcast guardrails, multi-chain/multi-repo support, and a pluggable Claude/Codex runtime.

During my time at Quantstamp, I completed over 50 audits across Solidity and Rust-based protocols, acting as lead auditor on approximately half of all engagements. The protocols spanned a broad range of DeFi verticals including Oracles, Perpetuals, RWA, Bridges, Vaults, and Wallets. Notable clients include API3, Blockdaemon, PancakeSwap, RFX Exchange, SoDex, OnRe, Exceed Finance, Camp, Hipo Finance, and Crouton Finance, among others.

As a Smart Contract Security Researcher at Oak Security, I focused on auditing and enhancing the security of smart contracts. My role involved collaborating with innovative protocols like Mars V2 and Size Lending, ensuring robust security measures were in place. I utilized my expertise in Solidity, Yul, and Rust (CosmWasm) to identify vulnerabilities and improve overall contract integrity.

At Alethea AI, I specialized in auditing smart contracts, ensuring the security and efficiency of the protocol. My role involved evaluating ERC20 tokens, NFT tokens, and LayerZero bridging integrations across multiple EVM chains, including Ethereum and Polygon. I contributed to the integrity of the AletheaAI protocol by focusing on critical integrations and security measures.

As a Smart Contract Developer and Blockchain Architect at Point Network, I focused on building a decentralized internet through a blockchain-based peer-to-peer network. My role involved developing backend nodes and creating a suite of decentralized applications to showcase innovative solutions in social networking, email, and content sharing.

In my role at Ze.Fi, I contributed as a Smart Contract Security Researcher and Developer, focusing on blockchain technology and full-stack engineering. I developed trading platforms and performed security audits on smart contracts, ensuring the integrity of the Ze.Fi platform. Additionally, I prototyped layer 2 solutions and provided strategic advice on NFT integration for Ze.Academy, enhancing their offerings in the blockchain space.

At Clik, I played a pivotal role in shaping the technology landscape for our fintech mobile payments and KYC blockchain solutions. I was instrumental in building the technology department from the ground up, recruiting talented developers, and integrating with banking partners. My efforts included designing a prototype for an Ethereum blockchain layer, which enhanced transaction security and accountability.

Helped to deploy and set up a fork of the Telegram TON Blockchain for a private group of investors. Worked on building WebAssembly extensions to a client Vue JS application. Connected a custom Telegram bot to a chat based client for interacting with the private fork of the TON Blockchain.

Designed and built a RESTful API in using Python Flask-RESTful API to interact with an existing Bitcoin exchange system in order to process trades for Bitcoin traders to facilitate an international cash remittance service.

Rotati was a software consultancy firm that I founded which is mainly focusing on Ruby on Rails and Javascript (React Js / Vue JS) projects. Rotati also developed a number of projects using the AWS Serverless platform.

Worked on a smart RSVP system for inviting and managing VIP's to attend various shows, presentations and parties in and around Singapore.

Contractor for Trail App for a few months to help create new React JS components, manage Rails backend processes to provide data to the components and keep RSpec tests updated and in order.

Rails developer responsible for writing fully tested features for custom enterprise solutions for Internet Service Providers worldwide building everything from the front end to integration with network backend solutions and billing systems. Technologies used: Rails 4.1, RSpec, jQuery, CoffeeScript and Sigma.js (for ISP network visualisations).

coLAB is a non-profit co-working space in Toul Tom Pong (near Russian Market) run and managed by its very members! We provide a comfortable, safe working environment with fast internet and good company. Our motto: "Work solo but not alone".

I introduced Startup Weekend to Cambodia with the first event held in September 2011, second event in June 2012 and our third in November 2013. I am also a facilitator for Startup Weekend events in South East Asia and attended events in Singapore, Manila and Bangkok. I also attended the 2012 Startup Weekend Global Organizers Summit in Austin, Texas.

Part of a team that founded Hackerspace Phnom Penh - a non-profit technology club! We have an arduino kit, Microsoft kinect and other hacking tools in addition to training sessions, movie nights, social events and more.

Rails Developer working on billing systems (using Recurly), backup systems (written in Ruby) and a custom spreadsheet geocoding gem.

Yoolk is a business that provides online, mobile and database to print publishing solutions for the Yellow Pages / Business Directory industry. Operators anywhere in the world can use Yoolk to manage sales, build relations with their customers and sell online advertising and SME tools all built on the Yoolk platform. Yoolk also integrates with a number of other data providers like Google, Facebook and Twitter. Yoolk even provides an easy online publication tool to serve each SME's listing data via their own website customized specifically for SME's using via their own domain.

Ruby on Rails developer for Solano Labs CI Server product Tddium. Responsible for writing full tested features for the Tddium site and application using Ruby on Rails, RSpec and Cucumber as well as some client side development using Backbone.js.

I taught Management Information Systems (MIS) and Interaction Design for Mobile Applications using HTML5 at the Phnom Penh campus of the prestigious Limkokwing University.

.NET Developer for Client based Credit Derivatives system for CIBC World Markets in the City of London

Produced various software products using VBA, ASP and Javascript.

Java Developer for an automated insurance quotation system for AIG

Research and development using EJB