We are building the world's premier Operational Intelligence platform for Blockchain. We strive to develop our systems by observing the best practices of our craft; this means writing testable, performant, easy to maintain and constantly improving code, while enabling our company to iterate our product fast and stay ahead.
These are the early days of our platform, and as a Senior Backend Engineer you will be able to contribute, influence and take ownership in significant parts of our systems. Our goal is to build a very high performance platform, capable of analyzing thousands of transactions across multiple blockchain networks in real-time.
If you are a Senior Software Engineer, with a solid understanding of distributed systems, passion for your work and would love to work with a geographically distributed team, join us!
What this position is all about:
Please note: Our Engineering team is predominantly based in Europe. This position is currently open to those resident and currently able to work in the European Economic Area (EU, Norway, Liechtenstein), Switzerland, the UK as well the eastern United States/Canada (UTC-4/UTC-5 timezone)
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Metrika Inc. is an Equal Opportunity employer. All applicants will be considered without regard for race, color, national origin, ethnicity, gender, disability, sexual orientation, gender identity, or religion._
You will need:
You'll probably be a great fit if you have:
Expert knowledge of Python or Golang.
Experience with blockchain systems.
Experience with key-value, document, time series or other non-relational databases.
Experience with CI/CD.
Experience with Docker/Kubernetes or Serverless environments.
Experience with SQS/SNS, Kafka, Pulsar, RabbitMQ or other brokers.
Experience with public cloud providers, e.g. AWS, GCP, Azure, DigitalOcean etc.
What does success look like for you? For folks here, it means thriving in a high-autonomy environment and tackling complex problems in a technical space that is constantly changing and evolving. Engineers on our teams are focused on writing great code, but more-so collaborating with Product, Design, and other team members to define what games mean on the blockchain, and creating this new opportunity for our users.
We need an experienced backend engineer to help us achieve this. You'll help shift the technological landscape within the company through experimentation and auditing of emerging tech stacks, while shaping the way a new technology is introduced to, and adopted by, new audiences throughout the world.
Our ideal candidate:
Bonus points if you have the following:
A little about us:
Dapper Labs is the world’s first blockchain entertainment company. We are the creators of industry leading experiences including CryptoKitties and NBA Top Shot, as well as Dapper Wallet: the simplest way to manage your assets and use the blockchain. In addition, we are the developers behind Flow: a new decentralized blockchain and cryptocurrency developed from the ground up for scalability and ease of use.
Dapper Labs' mission is to make the world a more open, empowering, and enjoyable place through consumer adoption of decentralized technologies. We have raised over $50M from leading VCs including Fred Wilson (USV), Chris Dixon (Andreessen Horowitz) and David Pakman (Venrock) as well as Samsung and Google Ventures. We also have incredible angel investors including top athletes and artists as well as the founders of Dreamworks, Electronic Arts, Zynga, Reddit, AngelList, and Coinbase, among others.
More about Dapper Labs:
Our people are what makes our team special - because of that, we work hard to provide our full-time team members with perks that make their lives better by offering:
○ Flexible vacation & remote work policy - as we accomplish our goals, time off is more than a must. Most team members take between 15-20 days off per year, but we have no hard limit for our high impact individuals.
○ Diverse opportunities for learning and development - we provide resources for conferences, classes, books, and other opportunities to maintain and expand your skill set and professional growth.
○ Fitness reimbursements - stay fit with our reimbursements for health-related benefits like gym memberships, fitness apps, and personal training.
○ Top-Line equipment - in addition to receiving a company smartphone of your choice with a paid voice/data plan, every team member receives a generous equipment budget to try new gadgets, tools, and platforms.
○ Flexible parental leave policies - We understand the importance and demands of a growing family. In addition to state, provincial, and federal leave allowances, parents on the team have the flexibility to work from home or take days off when family needs to come first.
○ When we can safely return to our office, fuel up with healthy snacks and coffee, get fit with an onsite gym, recover with onsite RMT/acupuncturist, and meet the many furry friends of our dog-friendly office!
At Dapper Labs we recruit the best and foster an environment that empowers our team. That means a workplace that is diverse, inclusive, and open-minded. We welcome applicants of all backgrounds, regardless of race, colour, religion, sexual orientation, gender identity, national origin, or disability. Don’t sweat it if you don’t have everything listed in the above requirements. Our values include continuous improvement and curiosity. If you have some of these qualities and believe that this is the position that will make you excited to work every day, then we want to hear from you!
Energi is a top 100, self-funded cryptocurrency project with over 60 contributors across 17 time zones. Energi (NRG) is designed to serve the need for a globally adoptable digital currency and is currently on multiple exchanges with additional exchanges in the future. Our mission is to become the world’s leading cryptocurrency with the unification of Smart Contracts, Governance & Self-funding Treasury to ensure longevity and enable rapid growth.
We are looking for a full-time blockchain developer with strong Golang skills who can work on a distributed (remote) team to continue the development and improvement of this core part of our technology stack.
The role will involve smart contracts, decentralized governance, master nodes, blockchain
Must have technical skills:
Other requirements:
This job posting is no longer available
Role:
Advanced Blockchain AG are looking for an experienced Back-End Developer to join our core development team. You’ll be taking on new and ongoing projects with industry leading clients looking to be the first to implement and benefit from blockchain technology.
What we offer:
Responsibilities:
Main requirements:
Non-essential requirements:
Get in touch with Diane Danne our HR Manager on: danne@advancedblockchain.com for more information on the position or to schedule a call.
This job posting is no longer available
Job Description
We are looking for awesome backend developers to join our Berlin team at Herdius. We are a blockchain startup working on a decentralized financial platform tailored specifically for cryptocurrencies. Our goal is to create a new, highly scalable blockchain that can act as a transaction and identity layer on top of all blockchains. The vision for Herdius is to create the central cryptocurrency financial hub of the space. Since we are developing our own chain as well as are working on brand new technology there will be a lot of room for you to play around with new consensus mechanisms, blockchains, distributed systems design, governance mechanism design, order routing, etc.
Responsibilities:
Implementation and design of Herdius’ consensus algorithm and p2p routing protocol Writing reusable, testable, and efficient code Design and implementation of low-latency, high-availability, and performant applications Integration of data storage solutions as well as distributed data storage solutions Creation of an efficient crypto exchange orderbook capable of handling thousands of transactions per second Creation of Governance / voting systems Working on our distributed virtual wallet network that implements distributed key generation with homomorphic encryption
Requirements:
4+ years of experience as a backend developer, preferably in C/C+, Golang or Scala Strong proficiency with Golang, preferably including p2p libraries and leveldb (or similar) Understanding the nature of asynchronous programming and its quirks and workarounds Understanding accessibility and security compliance User authentication and authorization between multiple systems, servers, and environments Efficient integration of cryptographically encryption schemes Understanding fundamental design principles behind various consensus algorithms Understanding differences between dPOS, DAGs, Plasma, BFT, aBFT, etc. Past experience with ANY blockchain / crypto related projects is a huge plus Implementing automated testing platforms and unit tests Proficient understanding of code versioning tools, such as Git Experience with other languages such as Javascript or Python Strong passion for Bitcoin and other cryptocurrencies
What to send:
Links to your GitHub/Stack Overflow/Portfolio/something awesome you've built that you’re proud of A resume or LinkedIn profile Cover letter
This job posting is no longer available
ARES Tech is a fast-growing company that provides an all-in-one end2end solution and community for blockchain developers and users.
We’re a small team that runs the kind of infrastructure you always wanted to help build up!
We are looking for a Senior Developer who is capable of performance-oriented and well-structured programming. You will work as part of an international team on the development of Blockchain applications / Decentralized applications (DApp or ĐApp).
What we expect
✦ Relevant work experience building distributed systems with open-source tech stack ✦ Several years of experience in C/C++, Go or NodeJS ✦ Knowledge in go-ethereum / Parity API / RPC / web3.js or other similar tools ✦ Knowledge in server side application framework (Express, Hapi, …) ✦ Understanding of basic distributed consensus methodologies (Mining, PoS, ...) ✦ Experience with agile software development, ideally with Scrum ✦ Fluent in English, German is not a must ✦ Bonus points: Knowledge in Smart Contract, distributed storage systems (IPFS) and Golem ✦ Bonus points : Knowledge in one or more task runner (Grunt, Gulp, Webpack, …) ✦ Bonus points: You have a cryptocurrency wallet : )
What we offer
✦ Signing Bonus in ETH, so... please prepare your wallet : D ✦ Interesting possibilities for your personal development with challenging projects and a personal conference budget ✦ Development of great products and the opportunity to inspire our customers by providing the benefits of blockchain technology with extraordinary game experience ✦ A great, performance-oriented, friendly and international TEAM is looking forward to meeting you ✦ MacBook Pro or Windows or any kind of digital devices that make your work easier ✦ One of the nicest offices in Berlin Mitte, near by Rosenthaler Platz and Nordbahnhof! Including free Club Mate, Coca Cola, fruit, pool table, table tennis, a terrace, and many more ✦ Office party, party and parties! Team events, BBQs, kicker & table tennis ✦ Flexible work hours ✦ Full-time or Part-time even Freelancer? no matter, let's start immediately ! Again... with ETH as Signing Bonus!
Contact us
mail(at)arestech.io
please including salary expectations and earliest possible start date.
Job Types: Full-time, Part-time, New-Grad, Permanent
This job posting is no longer available
blk.io is looking for kick-ass Golang developers who want to work on cutting edge blockchain technology for enterprise.
We’re looking for a couple of developers to help build out Crux https://github.com/blk-io/crux, our secure blockchain enclave for Quorum https://github.com/jpmorganchase/quorum
We’re also fortunate to count some of the largest tech and finance firms as our customers so there will be work with them too.
Generally we’re looking for people with 2-3+ years of experience who are already working with, or really want to get involved with Ethereum blockchain technology, and more broadly are familiar with:
We're a bootstrapped, cashflow positive blockchain business based in Old Street. Our customers include the biggest names in tech, and we need to grow!
We’re no stranger to the open source being responsible for the web3j group of projects (https://web3.io) and contributors to other projects in the Ethereum ecosystem.
Not only are we working with all the latest and greatest technology, we are also working closely with other global leaders in this space to create the best platform (some of whom are also our customers).
We’re based in the heart of London's tech scene in Old Street.
We're a very tech-savvy organisation, who are big fans of open source - you can have a look at our CEO's GitHub profile at https://github.com/conor10
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.
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
smlXL is a 'stealth' start-up building an Information retrieval service with Consumer and Enterprise applications. Our first focus is providing a far richer understanding of the semantics of blockchain activity, making data and information accessible and useful to all.
We aren't ready to talk broadly about what we are working on, but we might be a good place for you if:
You are highly technical; you care about your craft; you are constantly learning; used to working on baremetal servers and running your own stack, you are fascinated by Information Systems, Semiotics, and Blockchain data; you get excited by turning black boxes transparent; and you love working on things that add a ton of value to consumers and prosumers alike; or you are into the EVM, decompilers, databases, and distributed systems.
About You
Benefits and Support