Blockchain Engineer Chorus One Berlin, Germany / Remote $70,000 to $110,000 a year
November 2018
4 Applicants This Week
More Than 6 Months Old
This job posting is no longer available
Job Description
Chorus One is close to releasing a validating node for the Cosmos network. We are actively searching for a Blockchain Engineer to build validating nodes for other decentralized networks. The work consists of reviewing codebases of other decentralized networks, designing a path forward to deploy validating nodes using our internal infrastructure and to ensure operational security in deployed infrastructure. This position is a unique opportunity to work with a very experienced team on cutting-edge decentralized networks and financial services around cryptocurrency.
Responsibilities:
Review core codebases of decentralized networks such as LivePeer, Tezos, Cardano and map out infrastructure requirements for validating nodes.
Design, implement and merge additional functionality in codebases of said networks, as needed, to make validating nodes compatible with our infrastructure.
Write functional and integration tests to verify software upgrades in blockchain networks for which company runs validating nodes.
Design and implement processes to reduce the lead-time of deployment of validating nodes in new blockchain networks.
The ideal candidate:
Is able to work independently. Has a minimum of 2-3 years work experience with a medium size company or a startup.
Possesses either Bachelor or advanced degrees in Computer Science or allied fields.
Needs to have prior production experience / strong interest in pure functional languages (Haskell, OCaml). Go language skills are a plus.
Has work experience with distributed algorithms. Prior experience with blockchain clients such as Go-Ethereum, Bitcoin Core, Tendermint or similar is a plus.
Is curious and able to take initiative in team discussions pertaining to business economics and business opportunities.
Keywords pertaining to tools: Functional languages, Haskell, OCaml, Golang
Perks & Benefits
Competitive salary plus equity.
5 weeks annual leave.
Full-time position.
Location: Remote work.
Work on cool technology and interesting problems at the intersection of finance, cryptocurrency, information security and DevOps.
Herdius is a Berlin based Blockchain Company. We are working on building homomorphic distributed private key generation which then is turned into value bearing products in different sectors. Currently we are very close to open beta-testing for the Herdius-Crypto-Wallet.
What we focus on on the blockchain field specifically is interoperability and trading. When connecting different chains on the key level, users can eliminate communication channels, bridges and complex systems. In other words, users can do cross-exchange and chain token swaps very conveniently and profitably for the user due to the cross-exchange arbitrage opportunities. The broader vision is one day to replace API auth keys with public-private key cryptography in order to provide layered access to user data.
All this makes for a crypto eco system and hedge fund that pays interest on all cryptocurrencies (that right now are unfortunately somewhat unusable and just laying around on wallets).
About the role:

Herdius is seeking for a Gopher Guru - an experienced Senior Golang Backend-Developer - to join our team of smart and visionary individuals. Experience in Blockchain is not necessary but a big plus.
We do not look at this role as another standard job but rather as great opportunity to build something really meaningful und amazing. Become a member of our great collective of top nodge engineers and people - altogether working to create cutting edge tech for the masses.
Besides the Herdius HQ in Berlin our Dev-Team is working mostly remote on different time-zones - so this vacancy surely also is location agnostic.
We would expect you to contribute at least 20hrs per week for part-time but joining full time is possible, too.


Cool things you will work on:
Implementation and design of Herdius’ consensus algorithm and p2p order routing protocol.
Lots of work around trading and high volume data handling and transfer.
Design and implementation of a low-latency, high-availability, and performant algorithmic hedge fund and exchange order book.
Integration of the Herdius distributed private key generation protocol.
Constant performance testing and improvement of our architecture.
Working on new financial products that have not been seen in the crypto world, setting up the base-layer infrastructure of a trading system and hedge fund
Skills & requirements
Strong proficiency & experience working with Golang
3+ years of experience as a backend engineer, language agnostic but Go, React, NodeJS, Vue.JS, Scala, Angular, Rust preferred
Experience and passion working with distributed systems and networking
Strong interest in blockchains and related technologies
Passion for delivering quality, secure code with loads of testing
User authentication and authorization between multiple systems, servers, and environments
Interest in privacy and cryptography, trading and financial service
Understanding fundamental design principles behind various consensus algorithms
Understanding differences between dPOS, DAGs, Plasma, BFT, aBFT, etc.
Implementing automated testing platforms and unit tests
Proficient understanding of code versioning tools, such as Git
Interview Process
Your education or professional experience at the end of the day does not matter to us. It all comes down to us being convinced by your skills and drive! 
We mainly look for people who are passionate about projects they work on and have the drive to see a project through. Our code is mostly done in Golang with some Solidity for connectivity with Ethereum.
How to apply:
Send anything that reflects on your knowledge and experience in the field. Besides a CV/LinkedIn-profile you can send links of your GitHub/Stack Overflow/Portfolio/ or something awesome you've built that you’re simply proud of.
Backend Golang Engineer Wallet Connect Remote / Berlin, Germany $85,000 to $100,000 a year
December 2021
2 Applicants This Week
More Than 6 Months Old
Job Description
WalletConnect is the open-source web3 standard to connect blockchain wallets to dapps. Started four years ago, our mission is to make web3 accessible to everyone. Every month, millions of people use WalletConnect in over 200 integrations.
We’re looking for a backend golang engineer to join our team to build and scale our network. To help grow web3, we recently launched WalletConnect 2.0 with new features, including multi-chain support, a decentralized back-end, faster connections, and 10x performance and scalability. You will help us expand and scale our backend messaging infrastructure.
You will be responsible for building Golang messaging services. A main challenge is growing our services to scale for our millions of users across billions of websocket connections every month, as well as ensuring security and resiliency.
To help with your role, you will have the support of our devops team to deploy and manage our infrastructure, will work closely with our protocol and SDK teams, and have exposure to the full WalletConnect stack.
The ideal candidate is immersed in the best practices of golang at scale, messaging systems and Websockets.
Responsibilities:
Building a microservice architecture based on Golang with scaling in mind
Work with protocols such as Websockets, gRPC
Help with monitoring by creating metrics with Prometheus and Grafana
Develop unit and integration tests for core business logic
Work closely with our devops team to manage and scale our infrastructure
Must have:
3+ years professional experience in software development at least one modern programming language, including Golang, TypeScript, C++, Java, or Rust.
At least 1 year of professional Golang experience.
Experience using Postgres, AWS, with demonstrable experience with systems engineering and automation.
You have experience with network programming or distributed systems development
Experience working on products at scale
Nice to have:
Experience working on systems optimisation
Experience with k8s or Nomad a plus
Desire to learn more about Blockchain technologies or experience with PoS systems.
Familiarity with operations/SRE and the concept of infrastructure as code
Websocket experience
Benefits
What WalletConnect offers:
Fully remote position with flexible timezone (CET/EST preferred)