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About the Company

Libre is focused on the design and development of a blockchain-based protocol to eliminate inefficiencies in legal, financial and operational workflows for private markets. Going beyond the simple concept of tokenisation and enabling seamless access to private markets directly on-chain, regardless of the end-user platform and/or public network where the user is based

Libre’s product focus is to tokenise the funds on a blockchain infrastructure and enable future composability of the digital security assets with other institutional on-chain services e.g., collateralised lending and secondary trading.

About the role:

We are looking for an experienced Solidity Developer to join our team, working on cutting-edge projects. You will play a key role in designing, developing, and maintaining blockchain-based solutions that ensure stability, security, and scalability for our real-world asset tokenisation ecosystem. This is an exciting opportunity to work at the forefront of blockchain and financial technology, contributing to the future of tokenised assets.

What you are good at:

• Writing and reviewing high assurance code, tests, invariants and other deliverables for our protocol projects using industry best-practices
• Designing, implementing, and deploying secure and efficient Solidity-based smart contracts for Libre’s protocol
• Emphasis on robust process, continuous learning and ownership including collaborating with external audit firms as needed
• Contributing and evolving our internal methodologies, coding standards, review methods and other standard operating procedures
• Troubleshooting and optimizing smart contracts while staying current with blockchain trends and advancements
• Contributing to our cross-chain capabilities by building robust integrations and maintaining multichain compatibility
• Closely collaborating with members across various teams
• Staying updated on the latest developments in blockchain technology, DeFi protocols, and trends in digital asset management

What you bring:

• 3+ years of experience in solidity development, with a proven track record of deployed contracts on mainnet
• Strong knowledge of EVM
• Extensive experience in developing complex smart contracts. Familiar with tooling such as Foundry, Hardhat or Remix
• Understanding of the DeFi landscape, such as lending protocols, AMMs, Perps and stablecoins
• Ability to effectively communicate, collaborate and connect with clients, partners and other third parties
• Excellent problem-solving skills, attention to detail, and the ability to work collaboratively in a team environment

Bonus Qualifications

• Experience with multichain environments and integrating across diverse blockchain ecosystems
• Knowledge and experience with real-world assets (RWAs)
• Public GitHub contributions to high-quality projects in the Ethereum or broader Web3 space
• Experience in developing off-chain applications that integrate with web3 protocols, using libraries such as Web3.js and ethers.js
• Knowledge in Traditional Finance, and the intersection between traditional finance and blockchain, such as Tokenisation

What we offer:

• Competitive salary and benefits package
• Opportunity to work on challenging and impactful projects
• Collaborative and supportive work environment
• Opportunities for professional growth and development

What are we all about?

We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.

Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering.

Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more.

Today, we are a 350+ strong team working remotely across 66+ countries.

Role Overview:

As a Senior Full Stack Engineer, you will be responsible for designing, developing, and maintaining both frontend and backend components. You will work closely with product managers, designers, and other engineers to deliver high-quality, secure, and scalable solutions that meet the needs of our clients. This role requires a deep understanding of both frontend technologies like React and backend systems.

We are looking for candidates located in the EMEA region.

Why You’ll Love This Role

• Impactful Work: Your contributions will directly influence the way stakeholders interact with and perceive the security of blockchain networks through both the dashboard and the Insights API.
• Collaborative Environment: Join a team of passionate professionals who are committed to innovation, quality, and making a tangible impact in the blockchain space.
• Professional Growth: Enjoy opportunities for professional development and career progression in a rapidly evolving industry.

About You

An ideal candidate has 5+ years of Full-Stack Development experience and contributed to blockchain-related projects. We are looking for candidates who have worked on complex projects in a distributed team.

• Problem-Solving Attitude: Creative thinker with a knack for solving intricate technical challenges.
• Communication: Excellent communication skills, with the ability to convey technical concepts to non-technical stakeholders.
• Autonomous: The ability to work independently, make informed decisions, and take initiative without needing constant supervision, ensuring high productivity and effective problem-solving.
• Mentorship and Leadership: Provide technical guidance and mentorship to team members, fostering a culture of continuous learning and improvement.

Responsibilities:

• Collaborate with cross-functional teams, including product managers, designers, and other developers, to deliver high-quality projects on time.
• Writing clean, efficient, and maintainable code: Writing code that is easy to understand and modify is crucial.
• Debugging and testing: Ensuring that the frontend code is error-free and performs optimally through debugging tools and testing methodologies.
• Staying up-to-date with emerging trends and technologies: The web development industry is constantly evolving, and it is essential to stay current with the latest technologies, trends, and best practices.
• Documenting code and maintaining code repositories: To ensure that the development team can easily understand and modify the codebase, it is crucial to document your code and maintain code repositories.
• Participating in code reviews: Code reviews help identify potential issues and ensure that the codebase meets quality standards. You should be prepared to participate in code reviews and provide feedback on other team members’ code.
• Assisting with deployment: You may be involved in the deployment process, which includes configuring web servers, managing version control systems, and resolving any issues that arise during deployment.
• Provide guidance and mentorship to more junior developers, promoting continuous learning and improvement within the team.

Skills:

• Excellent skills in modern Go. Other programming languages and platforms are nice to have (JavaScript/Typescript, Rust, Python or Java)
• Awareness of modern client- and server-side React applications
• Experienced in designing scalable APIs
• Experienced in testing backend and frontend
• Experienced in modern database design and interaction (SQL and/or NoSQL)
• Expertise in architecture principles, design patterns, and the ability to analyze and address trade-offs in business requirements, system performance, reliability, and maintainability
• Experience in working closely with a DevOps team to design and deploy cloud-native infrastructure, to ensure scalability and reliability

Nice to have:

• Blockchain application experience (e.g. DeFi Protocols, Wallets, DEXs, block explorers, blockchain user-facing applications)
• Experience with smart contract development and interaction (e.g., Solidity, Web3.js, ethers.js)
• Small team leadership experience
• Financial Services and Markets understanding

Keep up to date on what we are working on by following us on our social channels:

• Discord
• LinkedIn
• Twitter

Overview

• Our tech stack
  • Infrastructure: Docker, Kubernetes, AWS
  • Protocol: Go (Cosmos SDK, go-ethereum, btcsuite, Tendermint Core)
  • Smart contracts: Solidity, Rust, Hardhat
  • Frontend: Typescript, Next.js, Redux toolkit, Ethers.js, tRPC, GraphQL
  • Others: Yarn3 monorepo, Vercel, GitHub actions
• Location
  • Remote
• What you’ll do
  • Get paid to write open-source software (probably what you always wanted)
  • Work with Typescript and Solidity
  • Work on new products that bring our omnichain technology to end-users
  • Work on data-heavy, high-traffic (millions of unique users during the last month) backends

Your skills and experience

• Base experience
  • +3 years working as a software engineer
  • Full-stack engineering experience with focus on the backend and smart contracts
  • Experience working on blockchain products
• Bonuses
  • A balanced experience between working at startups and big tech companies
  • Experience building products from scratch

Job Description

Job Title: Software Engineer (Developer Experience)

Location: Remote, or offices in NY/SF

Company: ZetaChain

About ZetaChain

ZetaChain aims to be the only blockchain you’ll ever need. It is a layer 1 blockchain and developer platform that connects any L1 and L2, from Ethereum to Bitcoin and beyond. Access all of crypto in one place, as a developer or user.

ZetaChain prides itself on its vibrant and active community, a testament to our growing impact and relevance in the blockchain space:

• Thriving Ecosystem: Over 150+ dApps developed, showcasing diverse innovation and utilization.
• Engagement: With over 1M+ followers on Twitter and an equally active Discord community of 1.2M+ members, ZetaChain fosters a dynamic environment for engagement and collaboration.
• Activity: Our mainnet has seen over 8K+ smart contracts deployed and processed over 137M+ transactions among 3.5M unique wallet addresses

Find out more about our ecosystem.

Find out more about our hiring culture: Dream Team Culture.

About the Role

ZetaChain is seeking a software engineer with experience in TypeScript and smart contract development to join our team. You will be instrumental in developing open-source tools and libraries that enhance the developer experience on the ZetaChain platform, and you’ll be working directly with exciting components of our tech stack.

Overview

• Our tech stack
  • Protocol: Go (Cosmos SDK, Comet BFT, Ethermint)
  • Infrastructure: Docker, Kubernetes, AWS, GitHub, Vercel
  • Smart contracts: Solidity (EVM), Rust (Solana), FunC (TON)
  • Frontend: TypeScript, Next.js, Ethers.js, GraphQL, protobuf
• What you’ll do
  • Add new features to the Toolkit, our library of TypeScript functions that interact with ZetaChain
  • Improve Localnet, ZetaChain’s local development environment, to ensure seamless developer experiences
  • Maintain and expand UniversalKit, our component library
  • Extend and enhance example contracts with new features and support for additional connected chains
  • Participate in dev rel initiatives to foster community growth and engagement with the ZetaChain ecosystem
  • Get paid to write open-source software and public docs (probably what you always wanted)
  • Work on providing the best developer experience for people building on top of ZetaChain
  • Work on products that bring our core interoperability blockchain technology to end-users

Your skills and experience

• Base experience
  • 4+ years of experience in software engineering, with a strong background in TypeScript
  • Experience in at least one smart contract language. Solidity is important, but we also work with Rust, FunC, and other languages in the future.
  • Proficiency with TypeScript development tools and libraries, including Next.js, Ethers.js, and GraphQL
  • Experience with smart contract development tooling, like Hardhat
• Bonuses
  • A balanced experience between working at startups and big tech companies
  • Experience with EVM or Cosmos blockchains
  • A track record of contributing to or managing open-source projects

Apply Now:

Apply Now:

What are we all about? We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems. Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering. Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more. Today, we are a 350+ strong team working remotely across 66+ countries. View all our open positions here: https://www.nethermind.io/open-roles Role Overview: As a Senior Full Stack Engineer, you will be responsible for designing, developing, and maintaining both frontend and backend components. You will work closely with product managers, designers, and other engineers to deliver high-quality, secure, and scalable solutions that meet the needs of our clients. This role requires a deep understanding of both frontend technologies like React and backend systems. We are looking for candidates located in the EMEA region. Why You’ll Love This Role

Impactful Work: Your contributions will directly influence the way stakeholders interact with and perceive the security of blockchain networks through both the dashboard and the Insights API. Collaborative Environment: Join a team of passionate professionals who are committed to innovation, quality, and making a tangible impact in the blockchain space. Professional Growth: Enjoy opportunities for professional development and career progression in a rapidly evolving industry.

About You An ideal candidate has 5+ years of Full-Stack Development experience and contributed to blockchain-related projects. We are looking for candidates who have worked on complex projects in a distributed team.

Problem-Solving Attitude: Creative thinker with a knack for solving intricate technical challenges. Communication: Excellent communication skills, with the ability to convey technical concepts to non-technical stakeholders. Autonomous: The ability to work independently, make informed decisions, and take initiative without needing constant supervision, ensuring high productivity and effective problem-solving. Mentorship and Leadership: Provide technical guidance and mentorship to team members, fostering a culture of continuous learning and improvement.

Responsibilities:

Collaborate with cross-functional teams, including product managers, designers, and other developers, to deliver high-quality projects on time. Writing clean, efficient, and maintainable code: Writing code that is easy to understand and modify is crucial. Debugging and testing: Ensuring that the frontend code is error-free and performs optimally through debugging tools and testing methodologies. Staying up-to-date with emerging trends and technologies: The web development industry is constantly evolving, and it is essential to stay current with the latest technologies, trends, and best practices. Documenting code and maintaining code repositories: To ensure that the development team can easily understand and modify the codebase, it is crucial to document your code and maintain code repositories. Participating in code reviews: Code reviews help identify potential issues and ensure that the codebase meets quality standards. You should be prepared to participate in code reviews and provide feedback on other team members' code. Assisting with deployment: You may be involved in the deployment process, which includes configuring web servers, managing version control systems, and resolving any issues that arise during deployment. Provide guidance and mentorship to more junior developers, promoting continuous learning and improvement within the team.

Skills:

Excellent skills in modern Go. Other programming languages and platforms are nice to have (JavaScript/Typescript, Rust, Python or Java) Awareness of modern client- and server-side React applications Experienced in designing scalable APIs Experienced in testing backend and frontend Experienced in modern database design and interaction (SQL and/or NoSQL) Expertise in architecture principles, design patterns, and the ability to analyze and address trade-offs in business requirements, system performance, reliability, and maintainability Experience in working closely with a DevOps team to design and deploy cloud-native infrastructure, to ensure scalability and reliability

Nice to have:

Blockchain application experience (e.g. DeFi Protocols, Wallets, DEXs, block explorers, blockchain user-facing applications) Experience with smart contract development and interaction (e.g., Solidity, Web3.js, ethers.js) Small team leadership experience Financial Services and Markets understanding

 Disclaimer: I hereby consent to my personal information being stored and processed by Demerzel Solutions Limited (t/a Nethermind) (the “Company”) for recruitment purposes in relation to both the selected job role and any other role the Company considers me a qualified candidate for. All data storing and processing by the Company takes place in accordance with the UK GDPR. Kindly refer to our privacy policy for more details. Your consent to share personal information is entirely voluntary, and you may withdraw your consent at any time. Should you have any questions about this process, or wish to withdraw your consent please contact: email Keep up to date on what we are working on by following us on our social channels       Click here to view our Privacy Policy.

Apply Now:

What are we all about?

We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.

Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering.

Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more.

Today, we are a 350+ strong team working remotely across 66+ countries.

Are you the one?

We are looking for a passionate and skilled engineer to join our highly dynamic team.

You will be developing blockchain-based solutions that span across a wide spectrum of the web3 ecosystem, from protocol level engineering and smart contracts development to dapps and Enterprise/Financial applications that integrate with or are built on blockchain infrastructure.

This is a remote-first role. You will be working with a globally distributed team of talented engineers and researchers, as well as many leading industry partners.

You should be proficient in at least one or more general programming languages (refer to the skills section for details), as well as Smart Contract development, primarily Solidity. A deep understanding of the Ethereum blockchain, strong general engineering skills, and a firm grasp of computer science fundamentals are required. The ideal candidate would be a robust problem-solver with excellent attention to detail and effective communication skills. Familiarity with non-EVM blockchains, zk proofs, the DeFi landscape, and traditional finance would be advantageous.

Responsibilities include, but not limited to:

• Work on full-stack engineering solutions that integrate with or built on top of blockchains.
• Design and build applications on various blockchains
• Develop, test, and deploy secure smart contracts
• Debug and optimize smart contracts
• Extract and process data from the blockchain
• Develop scripts & tools to automate or improve blockchain interactions
• Collaborate with other engineers and teams, both internally and externally
• Stay updated with new developments and technology in the blockchain space

Technical Skills:

• Excellent programming skills in one or more of the following programming languages: C#, Go, TS/JS, Solidity, Rust, Python, Java, Kotlin, but will also consider other tech stacks.
• Proficient in a smart contract programming language (eg. Solidity, Cairo, MOVE) with extensive experience in developing complex smart contracts. Familiar with toolings such as Foundry, Hardhat or Remix.
• Ability to implement efficient algorithms and design complex data structures
• Understanding of good software architecture and engineering process
• Ability to write clean, testable, and maintainable code without over-engineering
• Deep understanding of Ethereum blockchain architecture
• Understanding of the DeFi landscape, such as lending protocols, AMMs, Perps and stablecoins
• Experience in developing off-chain applications that integrate with web3 protocols, using libraries such as Web3.js and ethers.js.
• Strong computer science background

Other Competencies:

• You need to be a self-starter, with the curiosity and drive to continuously improve.
• Excellent problem-solving and analytical skills, with attention to detail
• Strong written and verbal communication and collaboration skills
• Proficiency in English

Nice to have:

• Knowledge in Traditional Finance, and the intersection between traditional finance and blockchain, such as Tokenization.
• Experience with layer-2 solutions like Starknet, Optimism, zkSync, and Arbitrum
• Familiarity with blockchain data analytics tools like Dune and Nansen
• Knowledge of cryptographic primitives like hashing and signature schemes
• Familiarity with zk proof systems (ZK-STARK, ZK-SNARKs)
• Familiarity with formal verification methods for smart contracts
• Experience in front-end development with frameworks like React or Angular
• Familiarity with smart contracts auditing tooling/techniques (e.g Fuzzing, Symbolic execution, Static and Dynamic Analysis)
• Infrastructure / DevOps experience (eg. setup private networks)
• Ethereum core development experience

Perks and Benefits

• Professional Growth: Continuous learning opportunities and the chance to work with industry leaders.
• Fully Remote: Work from anywhere in the world.
• Flexible Working Hours: Manage your own schedule to balance work and life effectively.
• Competitive Compensation: Attractive salary plus equity options.

Keep up to date on what we are working on by following us on our social channels:

• Discord
• LinkedIn
• Twitter

Apply Now: