Experienced Principal Blockchain Engineer Payment Exchange positions focus on delivering results in their domain. This page aggregates open Experienced Principal Blockchain Engineer Payment Exchange roles and what employers typically expect.
## Company Description We are pausing travoom to focus on oleolesport.com OleOle is developing a completely free social network and messaging app for football (Soccer), sports first super app. The primary revenue model will be gambling focused on in match play. A completely different modelusing Stake.com blockchain strategy. **OleOle** OleOle is building a social network and messaging platform for football/soccer. In match gambling driven by live score updates is the driver of our model. **What we do...** oleolesport.com empowers people to identify football experience and without any search requirements, simply presents the traveler with vetted components necessary to bring the trip to life -- tickets, lodging, flights and beyond. And we are building a football super app. **Why it matters...** Searching and successfully planning a trip around an iconic football experience is time-consuming, frustrating, overwhelming and often-times elusive. Football is complicated unlike any other sport with players playing for club and country simultaneously. Fans are looking for a place to "Kick Off" **Why we are better...** oleolesport.com’s searchless travel approach means a soccer/football experience can be discovered, planned and purchased in a matter of minutes without the endless search-driven lunacy and inefficiency that comes with all travel planning. There isnt a sports social network, oh some claim to be however they lack even the slightest understanding of network platforms. ## Job Description OleOle is utilizing a stake.com model focusing on crypto currencies for all in match bets. 86% of Bet365 revenue comes from in match play. ## Qualifications Technical Skills and Experience: 1. Blockchain Development Experience: • Proficiency in building decentralized applications (dApps) and smart contracts on blockchain platforms like Ethereum, Binance Smart Chain, or Solana. • Deep understanding of cryptocurrency protocols, blockchain consensus mechanisms, and token economics. 2. Proficiency in Programming Languages: • Expertise in languages commonly used in blockchain development such as Solidity, Rust, JavaScript (Node.js), Python, or Go. 3. Smart Contract Development: • Extensive experience designing, deploying, and auditing secure and efficient smart contracts. The engineer should be familiar with Solidity for Ethereum or other smart contract languages for different blockchains. • Understanding of smart contract auditing tools to ensure code security (e.g., tools like Mythril, Slither). 4. Cryptocurrency Wallet and Payment Integration: • Experience with integrating cryptocurrency wallets (MetaMask, Trust Wallet, etc.) and managing crypto payments securely on a platform. • Familiarity with working on wallet development, multi-sig wallets, and secure transaction management. 5. Security and Cryptography: • In-depth knowledge of cryptographic principles (hash functions, public-key cryptography, etc.) to ensure secure transactions. • Familiarity with blockchain security best practices, including protection against attacks (51% attacks, replay attacks, double-spending, etc.). 6. Scalability Solutions: • Knowledge of Layer 2 scaling solutions (e.g., Optimistic Rollups, zk-Rollups, sidechains) to ensure the gambling platform can handle a high volume of micro-transactions efficiently. 7. Experience with APIs and Backend Integration: • Proficient in integrating third-party blockchain tools or SDKs and off-the-shelf backend solutions. • Experience working with APIs to interact with gambling or financial platforms, and with backend development using frameworks like Django or Express.js. Professional Experience: • 5+ years of experience in blockchain development, ideally with experience in cryptocurrency payment systems or gambling/betting platforms. • Proven track record of building and deploying large-scale blockchain systems or financial applications. • Experience in working with cryptocurrency exchanges or other fintech platforms is a plus. So…