Fullstack Blockchain Developer
Python
Fullstack Blockchain Developer
Type of work
Undetermined
Experience
Mid
Employment Type
B2B
Operating mode
Office
Rumble Fish Software Development
Rumble Fish is a software development company with years of experience in state-of-the-art product development for companies of all sizes - from startups to global corporations. We provide end-to-end development services covering all stages of the project. Rumble Fish is your on-demand team for full-stack blockchain, cloud, and AI development.
Tech stack
Solidity
TypeScript
React
Redux
truffle
Go
Openzeppelin
Mocha
Web3
Hardhat
Job description
Online interview
Dear Candidate,
Our team is developing and maintaining decentralized, community-governed applications that run on the ethereum fork. Our work is centered around two main projects, the one is a fully Bitcoin-backed ERC-20 token pegged to the price of Bitcoin. It facilitates Bitcoin holders to act on the Ethereum blockchain and access the decentralized finance (DeFi) ecosystem. The open-source system allows users to deposit bitcoin in exchange for tokens in a decentralized, secure manner. Another one is a cross-chain protocol that aggregates stablecoin liquidity from multiple issuers and chains into XUSD.
What You’ll do:
What You’ll do:
- Create and maintain application features using solidity, javascript, and typescript.
- Develop both backend and frontend solutions as so, good experience with those technologies are required.
- Take an active role when planning making decisions and proposing changes, the team has the freedom and responsibility to choose solutions based on their experience.
- Write secure and optimized smart contracts adhering to industry standards. Maintaining test coverage, writing unit, and integration tests.
- Document blockchain development processes and complying with best practices in data protection.
Main technology:
- Solidity
- Javascript / Typescript
- React + Redux
- Truffle / Hardhat
- Openzeppelin
- Unit testing chai / mocha
- Web3
Additional technology:
- Typechain
- Python
- Go
- Ecdsa and on-chain SPV validation
- Ipfs, p2p
- Bash scripting
- Relays
- Liquidity pools
- Governance
- Cross chain functionalities
Important traits:
- Passionate about smart contracts and Bitcoin
- Experience with applying cryptography
- Critical thinking and problem solving
- Communication skills
- Proactivity
- English
Our methodology:
- Gitflow and code review (GitHub)
- Pair programming,
- Sharing knowledge
- We work on Linux
Here’s What We’ll Bring to the Table:
- Awesome projects to work on
- Supportive people ready to share their knowledge
- Non-Corporate culture
- Elastic working hours
- Paid holidays
- Training budget
- In-house courses and in-house hackathons / hack-nights
- Private healthcare
- Multisport Plus
- Coffee / fruits / snacks
- Lovely office in the heart of Cracow
- Pet-friendly office :)
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