Create flexible and precise queries that fit your needs exactly. Example:
React.js, -USA
×
Laravel, Vue.js, -Contract
×
will get you jobs that are
(React.js and not in USA) or
(Laravel and Vue.js and not Contract/Freelance).
You can mix and match any tags, negations and groups in any order. And don't worry about typos – the search is fuzzy.
About Hashgraph:
Hashgraph is a fast-growing software company committed to supporting, developing and servicing Hedera, an open source, proof-of-stake platform. Hedera is EVM-compatible and has been specifically built to meet the needs of enterprise and Web3 applications, which require speed, security, stability, and sustainability. Hedera’s public network is governed by industry-leading organizations, spanning 11 sectors and 14 regions, who oversee the development and direction of the decentralized platform.
About The Role:
The Smart Contracts team is looking for a seasoned engineer who can contribute to the development of the Hedera services in both the Java and the web3 APIs in JS/TS that process smart contract transactions across the network submitted using varied web3 tools.
You may find yourself doing all of the following:
- Staying connected with the EVM ecosystem, bringing vital learnings, discussions, and applicable explorations on Hedera back to the team to improve EVM DevEx
- Implementing and enhancing the Java-based smart contract services on the Hedera network that parse byte code and process transactions submitted to the network via an EVM client
- Designing, developing, and maintaining server-side logic for back-end solutions with public APIs involving TypeScript, SQL, data ingestion, REST, GraphQL, and Web Sockets
- Applying Web3 knowledge of Solidity and EVM transactions life cycle
- Writing efficient, reusable, and reliable code to optimize for maximum speed, scalability, and system efficiency
- Exploring and unblocking web3 tool and DApp integration capabilities on Hedera, ensuring devs can continue to use their familiar tools when migrating to Hedera from other EVM chains
- Continuously discovering, evaluating, and implementing new technologies to maximize development efficiency and effectiveness
- Developing various aspects of the Hedera Hashgraph Distributed Ledger Ecosystem
- Being a strong and proficient hands-on programmer
- Spending 80% of your time designing, coding, and testing
Qualification Requirements:
- Experience with distributed open-source application development
- Excellent debugging, critical thinking, and interpersonal skills
- Knowledge of the blockchain technology ecosystem, particularly the EVM
- Expertise in the Java and JS/TS programming language and its ecosystem of libraries and tools
- Experience with smart-contract development with Solidity/Vyper, Foundry, Web3.js / Ethers.js frameworks, JavaScript/TypeScript
- Experience with Ethereum Development Suites (e.g., Harhat, Foundry, Truffle, Ganache, Tenderly)
- Experience writing secure, efficient, and gas-optimized smart contracts for decentralized applications (DApps) on EVM-compatible networks
- Understanding of Ethereum ecosystem ERC20s, ERC721s, ERC1155s, on-chain and off-chain
- Experience with Wallet integrations (MetaMask, WalletConnect, etc.): Tools and libraries for connecting Web3 applications with users' cryptocurrency wallets
- Strong understanding of RESTful API design and development
- Familiarity with test-driven software development processes and continuous integration tools and systems
- Experience with web3 tools that support development, indexing, and transaction management, such as TheGraph
- 7+ years of software development experience
- Master’s degree in Computer Science or a similar field or equivalent work experience
Other skills that are great to bring with you but that we can help you develop:
- Knowledge of the Hedera network
- Deep knowledge of and experience with the Java VM, covering its strengths and weaknesses
- 5+ years of Java experience
- Deep knowledge of and 5+ years of experience with Node JS, covering its strengths and weaknesses
- Strong grasp of Computer Science fundamentals, including concurrency, performance optimization, and reusability
- Strong engineering principles and processes aimed at developing simple, modular, testable, and high-quality code
- Familiarity with security principles, cryptographic tools and libraries
- Familiarity with high-performance architectural systems and design patterns
Apply Now:
This role is for Weekday's client.
Please note this is a contract position, with possible extension based on project needs.
Job Overview: We are seeking a highly skilled Blockchain Developers to join our network and collaborate with cutting-edge startups. You will be responsible for designing, developing, and implementing blockchain-based applications, ensuring security, scalability, and efficiency.
Key Responsibilities:
- Develop and maintain blockchain-based applications and smart contracts.
- Design and implement secure blockchain protocols and architectures.
- Collaborate with product managers, designers, and other engineers to integrate blockchain solutions.
- Ensure the security, performance, and scalability of blockchain applications.
- Research and stay up to date with emerging blockchain technologies and trends.
- Optimize blockchain applications for efficiency and low transaction costs.
- Conduct code reviews and provide technical guidance to team members.
Required Qualifications:
- Bachelor's degree in Computer Science, Engineering, or a related field.
- 3+ years of experience in blockchain development.
- Proficiency in blockchain platforms such as Ethereum, Hyperledger, or Solana.
- Strong programming skills in Solidity, Rust, or Go.
- Experience with smart contract development and security best practices.
- Knowledge of cryptographic principles and distributed ledger technologies.
- Familiarity with blockchain consensus mechanisms and decentralized applications (dApps).
- Ability to work independently and manage multiple projects in a fast-paced startup environment.
Preferred Qualifications:
- Experience working in a startup or consulting environment.
- Understanding of tokenomics and DeFi applications.
- Familiarity with Web3.js, Truffle, Hardhat, or other blockchain development frameworks.
- Exposure to cloud-based blockchain infrastructure (AWS, Azure, GCP).
- Strong problem-solving skills and ability to optimize blockchain performance.
Apply Now:
Steakhouse Financial
Remote
Steakhouse Financial’s mission is to pioneer open and transparent finance. We build transparent, efficient, and accessible financial primitives to power the next generation of capital markets on public blockchains. We empower leading DAOs and crypto-native companies including Sky (FKA MakerDAO), Lido, Morpho, Ethena, and ENS through strategy, risk, and financial advisory. Our focus areas include real world assets (RWAs), stablecoins, curating efficient lending markets, market making, and actively participating in markets via proprietary trading to enhance liquidity and overall market health.
We are gathering the best minds in finance, legal, data, risk, and engineering and to build the future of finance.
About the Role: As a Senior Smart Contract Engineer at Steakhouse, you will be at the forefront of developing and optimizing smart contracts that will leverage and empower crypto-native and real world assets (RWAs). You will design and implement secure, efficient, and scalable smart contract solutions to solve some of DeFi’s and RWA’s most challenging problems. You will play a pivotal role in designing and implementing new primitives for DeFi in partnership with the largest and most sophisticated capital allocators in the world, to truly scale DeFi globally.
What you’ll do:
- Design, develop, and maintain secure, high-performance smart contracts (primarily in Solidity) to leverage - crypto-native and non-crypto-native assets and facilitate complex capital flows on-chain.
- Collaborate with cross-functional teams to ensure our smart contracts and protocols meet the highest security standards, undergo rigorous audits, and are designed to scale for large capital inflows.
- Take a leading role in shaping protocol-level decisions, introducing innovative features that enhance functionality, security, and accessibility for end users and institutional partners.
- Serve as a thought leader within the engineering organization, guiding junior and mid-level engineers, reviewing code, and establishing best practices for smart contract development and deployment.
- Work closely with product leads, data scientists, and other stakeholders to integrate and optimize real-world asset tokenization strategies, ensuring alignment with overall company objectives.
- Stay up-to-date with the latest developments in DeFi, smart contract standards, bridging solutions, and blockchain technology, proactively recommending improvements to existing infrastructure.
What we’re looking for:
- Bachelor’s or Master’s degree in Computer Science, Engineering, or a related technical field.
- 5+ years of software engineering experience.
- Minimum of 3+ years of experience working in blockchain engineering, ideally with another DeFi Protocol with a large user base
- A proven track record of shipping production-level smart contracts, ideally in decentralized finance or asset tokenization.
- Deep understanding of Solidity, EVM mechanics, common smart contract patterns, and familiarity with relevant frameworks (e.g., Hardhat, Truffle, Foundry).
- Strong knowledge of security best practices, including threat modeling, audits, and secure coding patterns (e.g., OpenZeppelin libraries).
- Experience with Layer 2 solutions, cross-chain bridges, or zero-knowledge proofs.
- Excellent technical and non-technical communication skills, verbal and written.
- Proven results in building and scaling a Defi protocol.
- Practical experience with various DeFi protocols (e.g., lending, derivatives, AMMs, stablecoins) and an ability to design and implement complex financial logic on-chain.
- Knowledge of tokenization platforms, and relevant industry standards (e.g., ERC-20, ERC-721, ERC-1155).
- Strong emphasis on understanding the “why” behind requirements and commitment defining the “minimum scope.”
What we offer:
- Competitive compensation including salary, future token rights, and equity.
- True impact at scale - we have partnered with some of the world’s largest financial institutions to bring real world on-chain
- Work within a remote and highly collaborative team consisting of diverse experts with the opportunity to travel to team events and conferences
- Regular opportunities for skill development, leadership roles, conference participation, and knowledge sharing in a supportive, fast-paced environment
Please send CV + cover letter to email