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Blockchain smart contract engineer Remote

wappier Remote

Live

Full-time Posted about 4 years ago 4 min read

Description

WHO WE ARE:

We are re-inventing entertainment technology for the on-chain metaverse era, powering the convergence of AI-driven optimization tech with on-chain and off-chain apps, economies and markets.

By performing trillions of ML calculations per day, wappier’s AI engine models, predicts, and influences each consumer’s behavior in real-time.

Game publishers can maximize revenue optimization and engagement through our AI-powered product stack, and quickly expand their offering through our NFT SaaS Platform.

NFT publishers and Crypto marketplaces can leverage wappier’s AI-driven optimization technologies to materially increase their revenues.

wappier was founded in 2017 and has grown to a team of 105, with 70% of the company in engineering and data science roles. With revenues more than doubling each year for the past 5 years and trusted by more than 1/3 of the top global app companies, wappier is free cash flow positive and expects to reach 120 people by Q4 2021 and 200 a year later.

The best is yet to come, come grow with us!

WHAT WE ARE LOOKING FOR:

We are looking for talented software engineers with +2 years of experience in software development.

The ideal candidate should have broad experience in developing applications with Node.js, React, Next.js and NestJS to join our team and work with our innovative product development team.

Responsibilities:

Design, develop and improve the wappier dApps and blockchain infrastructure for different DraftKings products and services to tap into.
Contribute to agility and scalability of not just the codes but the team and engineering practices. The blockchain platform needs to efficiently support other wappier engineering teams who roll out products and we are always looking for ways to improve our best-practices and collaboration between prices
Research and stay current with the state-of-art of blockchain technologies.
Review codes and merge requests by junior developers, offering constructive feedback to the team.
Ensure the wellness of our production dApps and related services, reporting bugs and issues immediately upon discovery and always look for ways to optimize tech stack and improve security.
Be active and connected in the bigger blockchain community (in a responsible way) and bring new solutions and ideas to the team
Define security standards and procedures; educate other team members
Provide technical leadership in the area of blockchain technology

Requirements

Bachelor’s degree in Informatics/Computer Science or a related discipline
2+ years of smart contract development experience in Solidity (experience in other smart contract languages is an asset).
Strong knowledge of design principles both specific to smart contract (like factory pattern, proxy design) or more generic like OOP, functional programming, REST.
Experience in Solidity, OpenZeppelin standards, Web3, Truffle/Hardhat, the Graph, NodeJS, AWS, MySQL/Postgres, MongoDB/NoSQL.
Experience on blockchain architectures and standards (for example ERC721)
Experience in blockchain technology other than ETH is also a plus
Experience in leading a team in completion of projects with agile methodologies.
Experience in smart contract auditing is a strong asset.
Familiar with cryptography and encryption methods. Experience with enterprise level key management solutions or projects is a strong asset.
Ability to grow yourself and other engineers through code reviews, design reviews, and screenshare/peer debugging.
Excellent command of English.

Ideal candidate:

Experience with dApps development (as above)
Knowledge of software development life cycle processes & tools (Git, Jenkins, JIRA, Nexus) will be considered as a plus
Knowledge sharing and gung-ho culture, agility to learn new dApps frameworks
Interest in crypto technologies and gaming

Benefits

At wappier we are growing our team with the vision of having top performers who contribute directly to the growth of the company.

We offer:

Competitive Salary & Stock option incentive plan
Private health insurance plan for you and your dependents
Annual training budget allocated to certifications and courses of your choice
Opportunity to work alongside experienced people with deep knowledge in software engineering who are always eager to mentor.
COVID Remote Work setup (remote first, with up to 5 days per month in the office for connectedness/team bonding purposes).
Employee referral bonus scheme
Online yoga sessions
Casual, modern working environment

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What is Truffle Blockchain?

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Truffle is a popular development framework for building decentralized applications (dApps) on blockchain platforms, including Ethereum, Binance Smart Chain, and others

The framework provides developers with a suite of tools that make it easier to create, test, and deploy smart contracts and dApps

Truffle also includes a number of integrations with other blockchain development tools and platforms, such as Ganache for local blockchain development and Metamask for Ethereum wallet management

Truffle includes a number of features that simplify the development process, such as:

Smart contract compilation and migration: Truffle automatically compiles and deploys smart contracts to the blockchain network, making it easier for developers to manage the deployment process.
Testing framework: Truffle includes a built-in testing framework that enables developers to test their smart contracts and dApps with a variety of testing tools and approaches.
Debugging and logging: Truffle provides tools for debugging and logging smart contract code, making it easier to diagnose and fix errors and issues during development.
Built-in libraries: Truffle includes a number of built-in libraries that provide common smart contract functionality, such as OpenZeppelin for token standards and SafeMath for secure arithmetic operations.

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