Experienced principal blockchain engineer with payment and exchange building experience

Travoom

$120K — $180K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years of blockchain development experience, particularly in cryptocurrency payment systems or gambling platforms.
  • Proficient in blockchain programming languages: Solidity, Rust, JavaScript (Node.js), Python, or Go.
  • Expertise in designing, deploying, and securing smart contracts, with familiarity in audit tools like Mythril or Slither.
  • Experience integrating cryptocurrency wallets and managing secure crypto payments.
  • Strong understanding of cryptographic principles and blockchain security best practices.
  • Knowledge of Layer 2 scalability solutions to facilitate high-volume transactions.
  • Proficient in integrating APIs and working with backend solutions.

Responsibilities

  • Develop and maintain decentralized applications (dApps) for in-match betting on a cryptocurrency platform.
  • Design and implement secure smart contracts using appropriate blockchain languages.
  • Integrate cryptocurrency payment systems and wallet functionalities seamlessly into the platform.
  • Conduct thorough audits and security assessments of smart contracts and blockchain integrations.
  • Collaborate with cross-functional teams to ensure successful product launches and compliance.
  • Implement scalability solutions to enhance platform performance during peak transaction loads.
  • Adapt blockchain technologies to align with a fast-evolving gambling environment.

Benefits

  • Join a rapidly growing and innovative company in the cryptocurrency and gambling space.
  • Work in a dynamic environment that encourages creative problem-solving and new ideas.
  • Opportunity to take on various challenges and learn across multiple technology domains.
  • Flexible work arrangements with some potential travel involved.
  • Located in picturesque Santa Monica, offering a vibrant work atmosphere.
Full Job Description
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.

Soft Skills:
• Strong problem-solving and debugging skills.
• Ability to work in a fast-paced environment and integrate blockchain solutions with an existing tech stack.
• Experience in working cross-functionally with product managers, compliance officers, and marketing teams to ensure smooth product launches.

Educational Background:
• A degree in Computer Science, Software Engineering, Mathematics, or a related technical field.
• Industry certifications in blockchain development (e.g., Certified Blockchain Developer) or participation in blockchain-focused hackathons/projects would be valuable.

Additional Information

Solutions not problems .
  • Creative problem solver who can courageously propose and support new ideas to our organization. Not interested in best practices, lets build something better!
  • Ability to adapt. An ideal candidate will welcome the opportunity to solve a broad range of problems using a wide array of technologies.
  • Comfortable with ambiguity, shifting priorities and general growing pains of an early-stage technology company
  • An exceptional entrepreneurial judgment that fosters independence over micro-management
  • Understanding of football and international sports a huge plus


Ole Ole is located in beautiful Santa Monica, however, this role requires some travel we are privately held and rapidly growing!

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