Clearmatics is a protocol engineering company. We are building a new financial market architecture that is more open, fair, and resilient than the legacy systems that are in use today. We develop protocols and software that create new markets for risk and more efficient infrastructure for trading, backed by a robust and scalable blockchain network, and secured with modern cryptographic techniques and economic mechanism design.
Clearmatics is based in London but operates on a 'remote first' model. We welcome candidates from all over the world. We have close ties to the Open Source and Ethereum communities, with Vitalik Buterin as an adviser.
The Engineering team at Clearmatics is responsible for developing our blockchain software at Layer 1 and Layer 2. At the core of our stack is the Autonity client, the node software that powers our blockchain network. It is based on Ethereum (go-ethereum) and is secured by Tendermint Proof-of-Stake consensus. Our decentralised platforms are built on smart contracts and decentralised applications, and are supported by backend services in Go.
We're looking to hire a Core Developer to expand our Layer 1 Engineering team.
ABOUT YOU
You're a systems programmer with good knowledge of Layer 1 protocols, and a passion for blockchain and decentralisation. You enjoy working to a high standard and writing code that is clean, performant, and maintainable. You appreciate the importance of careful design choices and can anticipate the impact of code changes on wider system behaviour. You can demonstrate a strong interest in blockchain and may even have open source contributions that you can highlight. You express yourself clearly in writing and in discussions.
RESPONSIBILITIES
You will be involved at all stages of the development lifecycle for the Autonity protocol and its blockchain node client (a fork of go-ethereum). These include: - Implementing new protocol features in Go and Solidity - Developing new distributed systems tests and frameworks - Contributing to protocol and design specifications - Working with members of the community to resolve issues - Your work will ensure that Autonity client is correct, reliable, performant, and secure. This will enable Autonity to serve as the foundational layer for a new ecosystem of decentralised markets.
REQUIREMENTS
BONUS POINTS
QA Engineer (Go, blockchain, distributed system)
Swarm is a system of peer-to-peer networked nodes for a decentralized storage and communication service.
Swarm could shape the future towards a self-sovereign global society and permissionless open markets. On Swarm, applications run autonomously yet securely in a planetary-scale deployment and execution environment.
Bee is a Swarm client implemented in Go. It’s the basic building block for the Swarm Network. Bee provides low level constructs for file storage, feeds, key-value stores and untraceable communication, through solid, well-tested code delivered in an agile manner.
Key technologies are Go, libp2p, protobuf, leveldb, and go-ethereum, as well as various cryptographic libraries.
Your role: This role expects the candidate to function as a large node operator, conducting testing and immersing themselves in the responsibilities of node operators. This requires experience in a comparable QA position, as well as an interest in DevOps-related areas. However, we consider motivation and initiative-taking to be the most crucial qualities that the ideal candidate should possess.
The responsibilities of the role: Writing and executing end-to-end test scenarios on testnet and mainnet in order to assure performance and reliability. Submit detailed bug reports and issues to our developers' team. Give the green light to the developers' team to proceed with a release. Be an active part in shaping the way our products are built by analyzing how functionality, user experience and performance could be improved.
This role is an excellent opportunity, as in the future we expect the QA team to grow and therefore this role could open the possibility of becoming the QA team lead.
Your profile: * You have at least 3 years of hands-on experience in a similar position. * Solid understanding of distributed systems * Experience in executing manual and automated tests interacting with the API. * Be able to set up different environments to perform automated testing on them. * You are familiar with the blockchain ecosystem. * Experience in managing panels and dashboards for monitoring, * Familiarity with Ethereum is a must. * You can express yourself fluently in English, both verbally and in writing. * You manage your own time effectively and respect time constraints. * You like to take initiative. * You are available around CET timezone.
We appreciate: * You are familiar with Golang. * Exposure to infrastructure-related tasks (will be needed to set up environments). * Familiarity with Grafana, Loki and Prometheus * General acquaintance with cryptographic concepts. * Experience with the Javascript ecosystem.
We offer/Team perks: * An open, flat and transparent work environment * 100% remote-friendly * Flexible working hours * We care about our swarm: Incentives through BZZ, our token
To apply, please send your CV and GitHub repo to talent@ethswarm.org.
Swarm is a system of peer-to-peer networked nodes for a decentralised storage and communication service.
Swarm could shape the future towards a self-sovereign global society and permissionless open markets. On Swarm, applications run autonomously yet securely in a planetary-scale deployment and execution environment.
Bee is a Swarm client implemented in Go. It’s the basic building block for the Swarm Network. Bee provides low-level constructs for file storage, feeds, key-value stores and untraceable communication, through solid, well-tested code delivered in an agile manner.
Key technologies are Go, libp2p, protobuf, leveldb, and go-ethereum, as well as various cryptographic libraries.
Should you be interested in the position, please send your CV and GitHub repo to talent@ethswarm.org.
Senior Software Engineer (Go, blockchain)
Swarm is a system of peer-to-peer networked nodes for a decentralised storage and communication service.
Swarm could shape the future towards a self-sovereign global society and permissionless open markets. On Swarm, applications run autonomously yet securely in a planetary-scale deployment and execution environment.
Bee is a Swarm client implemented in Go. It’s the basic building block for the Swarm Network.
Bee provides low level constructs for file storage, feeds, key-value stores and untraceable communication, through solid, well-tested code delivered in an agile manner.
Key technologies are Go, libp2p, protobuf, leveldb, and go-ethereum, as well as various cryptographic libraries.
Your role: Take architectural decisions for our p2p distributed network Suggest improvement solutions for our codebase and the testing process Development of the reference Swarm implementation in Go aka Bee Developing domain-specific knowledge and expertise in the Swarm incentive layer implementation Bringing code up to spec Delivering well-tested code Conducting thorough code reviews to your peers
Your profile: You have 5+ years of experience in a similar position & at least 3 years with GoLang You have experience in working on large-scale distributed systems Familiarity with infrastructure tools (we use k8s, helm) You follow SOLID principles You like to work in a fast paced environment Strong sense of ownership and responsibility You manage your own time effectively and respect time constraints You like to work remotely You are available around the CET timezone You can express yourself fluently in English, both verbally and in writing
We appreciate: You have a solid grasp of blockchain principles and application design considerations Experience with libp2p You are familiar with go-ethereum Acquaintance with cryptographic concepts Knowledge of monitoring tools (we use Grafana, Prometheus, Jaeger and OpenTracing) Knowledge of Solidity A passionate open-source contributor
We offer/Team perks: An open, flat and transparent work environment 100% remote friendly Flexible working hours We care about our swarm: Incentives through BZZ, our token
Should you be interested in the position, please send your CV to talent@ethswarm.org
About the Role
Zero Hash is looking for a Senior Software Engineer to help architect and build new features, as well as scaling the gateway to Finance 2.0. We are a high performing team looking for an equally ambitious and driven teammate.
The right candidate for this position is detail oriented, deeply technical, and driven. You are eager to learn new technologies and complex systems. You build resiliency and scalability into the platform at every step.
If you're looking to have a massive impact in a high-growth startup in one of the most exciting markets in decades, you will find this role challenging and rewarding in equal measure.
This fully remote role is open to candidates in any APAC timezone.
#LI-Remote
Responsibilities
Requirements
Preferred
Benefits Offered
We believe that the best way to succeed is by having a happy, motivated and healthy team. We offer the following benefits:
About Zero Hash
Zero Hash is a B2B embedded infrastructure platform that allows any platform to integrate digital assets natively into their own customer experience quickly and easily (a matter of API endpoints). We power neo-banks, broker-dealers, and payment groups to offer digital asset trading and custody, crypto-backed rewards and round-ups programs as well as yield through staking and DeFi and NFTs.
Our thesis is very simple: every financial services firm will offer digital assets within the next 2 years and will do so through platforms such as Zero Hash. Zero Hash is defining the new FinTech vertical of digital-assets-as-a-service.
Clients include MoneyLion, Wirex, Deserve, MoonPay, Tastytrade. Backed by Point72 Ventures, NYCA, Bain Capital, Tastytrade.
The Zero Hash Culture
All Zero Hash employees are guided by the following characteristics and core principles:
About the Role
Zero Hash is looking for a Senior Software Engineer to help architect and build new features, as well as scaling the gateway to Finance 2.0. We are a high performing team looking for an equally ambitious and driven teammate.
The right candidate for this position is detail oriented, deeply technical, and driven. You are eager to learn new technologies and complex systems. You build resiliency and scalability into the platform at every step.
If you're looking to have a massive impact in a high-growth startup in one of the most exciting markets in decades, you will find this role challenging and rewarding in equal measure.
This fully remote role is open to candidates in any AMER timezone.
#LI-Remote
Responsibilities
Requirements
Preferred
Benefits Offered
We believe that the best way to succeed is by having a happy, motivated and healthy team. We offer the following benefits:
About Zero Hash
Zero Hash is a B2B embedded infrastructure platform that allows any platform to integrate digital assets natively into their own customer experience quickly and easily (a matter of API endpoints). We power neo-banks, broker-dealers, and payment groups to offer digital asset trading and custody, crypto-backed rewards and round-ups programs as well as yield through staking and DeFi and NFTs.
Our thesis is very simple: every financial services firm will offer digital assets within the next 2 years and will do so through platforms such as Zero Hash. Zero Hash is defining the new FinTech vertical of digital-assets-as-a-service.
Clients include MoneyLion, Wirex, Deserve, MoonPay, Tastytrade. Backed by Point72 Ventures, NYCA, Bain Capital, Tastytrade.
The Zero Hash Culture
All Zero Hash employees are guided by the following characteristics and core principles:
About the Role
Zero Hash is looking for a Senior Software Engineer to help architect and build new features, as well as scaling the gateway to Finance 2.0. We are a high performing team looking for an equally ambitious and driven teammate.
The right candidate for this position is detail oriented, deeply technical, and driven. You are eager to learn new technologies and complex systems. You build resiliency and scalability into the platform at every step.
If you're looking to have a massive impact in a high-growth startup in one of the most exciting markets in decades, you will find this role challenging and rewarding in equal measure.
This fully remote role is open to candidates in any EMEA timezone.
#LI-Remote
Responsibilities
Requirements
Preferred
Benefits Offered
We believe that the best way to succeed is by having a happy, motivated and healthy team. We offer the following benefits:
About Zero Hash
Zero Hash is a B2B embedded infrastructure platform that allows any platform to integrate digital assets natively into their own customer experience quickly and easily (a matter of API endpoints). We power neo-banks, broker-dealers, and payment groups to offer digital asset trading and custody, crypto-backed rewards and round-ups programs as well as yield through staking and DeFi and NFTs.
Our thesis is very simple: every financial services firm will offer digital assets within the next 2 years and will do so through platforms such as Zero Hash. Zero Hash is defining the new FinTech vertical of digital-assets-as-a-service.
Clients include MoneyLion, Wirex, Deserve, MoonPay, Tastytrade. Backed by Point72 Ventures, NYCA, Bain Capital, Tastytrade.
The Zero Hash Culture
All Zero Hash employees are guided by the following characteristics and core principles:
This job posting is no longer available
At Horizon, we’re building a New Dimension where Internet economies are fun, accessible, and for the benefit of all participants.
We have two amazing products to make this real:
Sequence, which consists of i) the first user-friendly smart wallet for crypto, NFTs, Web3 + the metaverse, and ii) a developer platform to make building Web3 applications easy on Ethereum and other EVM chains.
And Skyweaver, a digital trading card game—powered by Sequence—where players can win, own, trade and sell their NFT game items.
Sequence is poised to drive Web3 adoption on a massive scale by making blockchain easy, fun and powerful for users and developers. And, Skyweaver is a groundbreaking video game with an unprecedented player-owned economy, novel gameplay, and an already fervent community.
While the challenge is hard, we find it incredibly fun. And, we have the ingredients to make it happen: a well-capitalized company with some of the best investors in the world (Reddit co-founder, Coinbase, Initialized, and more), an amazing team of leaders in the blockchain space, engineers who have built widely popular open source, a former top McKinsey strategy consultant, gaming industry veterans, and founders who have built and sold successful companies. You'll get to work with and learn from them all. Learn more at https://horizon.io/
About the Role
We're looking for someone with experience architecting, writing, testing and shipping production-quality code in Go, with a background in Ethereum development. You are rigourous and have a refined eye for simple arhitecture and clean code, and you are able to balance tradeoffs inherent in all design decisions.
You enjoy building scalable, fault-tolerant systems. You understand the meaning of value and delivering products that achieve business outcomes while laying the foundation of great tech that affects our entire org, and is impactful. This matters to you.
As a senior engineer, you have a deep understanding of designing robust, well-designed code with thoughtful architecture. You can drive and self-direct major areas of our stack. While not a strict requirement, you are comfortable working with and guiding more intermediate and junior engineers when needed.
Given our size, self-driven, and open-minded engineers will thrive best in this role. While small, you'll be working alongside some of the best engineers, and open-source contributors—and a company dedicated to your success. You will learn a lot.
Responsibilities:
Requirements:
Why Horizon?
We are committed to diversity and encourage applicants from all backgrounds, genders and faiths. While we're building incredible products, we also want to add to our wonderful team and company. The best way to do that is to attract talented folks from all areas and to have their experiences inform their work.
Make a difference in an innovative team and build a world class big data research platform.
Numus is a global group of quantitative, engineering, and blockchain experts. We are contributing to shape the future of applied decentralized finance. We are a native global and decentralized team with an office presence in Zug, Switzerland. We combine extensive and diverse experience from the Crypto, Quant, Tech and Finance worlds but are bound by a shared passion for sharing ideas, learning from each other and solving new problems together.
Are you keen to work in a startup where your ideas, experience and willingness to find creative solutions – and not your title – makes a difference?
You will help design, create and improve our central automated trading platform, written mostly in Go. You will help to make our architecture even more secure, resilient and fault-tolerant while maintaining a modular, well-tested architecture with simple and elegant code, focussed on speed and latency. A good line of code for you is the one which wasn’t written. You see infrastructure as code and see the deployment and monitoring as an integral part of your work, DevOps-style. You rather try to use a AWS cloud service instead of running your own piece of infrastructure or code. Security is always on your mind, and you’re maybe always a little bit too paranoid. You will also help research developers to port their Code to Golang and maintain code quality. You love to explore new state-of-the-art tools and discuss them with your team. Contributing to Open Source projects (e.g. modules to connect to exchanges) is an important part of your work as well. You’re super detail and quality oriented and love to work in a team where most problems haven’t been solved so far – so we highly value creativity to find solutions.
Requirements
Beneficial Requirements
What we offer
If you are eager to join a knowledge driven group of brilliant minds that value results above anything and do not engage in any political internal discussions, then you should join Numus.
As everyone of us is constantly learning and we are far from definitive answers yet, we embrace a global, diverse and collaboration-oriented team culture. We value open, smart and sharp minds, no matter their background. They are our greatest asset.
If you are curious, scientifically minded, entrepreneurial, passionate, a little bit quirky and fun: we would like to get to know you and become a part of our journey. Develop your skills together with us in a humble, remote, lean and agile environment.
We operate in a non-hierarchical structure on a self-management basis where skill counts instead of titles. Take initiative, initiate change and take responsible action. You also know when to ask for help.
You’ll be working with the latest cutting edge technology to solve real world problems. Creativity is a must in our company. We’re organized as a full remote-first company, so Everybody can choose freely to work remotely or from our offices or a mix of both, we will be able to adjust to your work-life balance.
You will help design, create and improve our central automated trading platform, written mostly in Go. You will help to make our architecture even more secure, resilient and fault-tolerant while maintaining a modular, well-tested architecture with simple and elegant code, focussed on speed and latency. A good line of code for you is the one which wasn’t written. You see infrastructure as code and see the deployment and monitoring as an integral part of your work, DevOps-style. You rather try to use a AWS cloud service instead of running your own piece of infrastructure or code. Security is always on your mind, and you’re maybe always a little bit too paranoid. You will also help research developers to port their Code to Golang and maintain code quality. You love to explore new state-of-the-art tools and discuss them with your team. Contributing to Open Source projects (e.g. modules to connect to exchanges) is an important part of your work as well. You’re super detail and quality oriented and love to work in a team where most problems haven’t been solved so far - so we highly value creativity to find solutions.