Description
About Us
HIRO is a digital assets boutique based in London, Singapore and Dubai. We offer a full spectrum of software and consultancy services to the cryptocurrency industry, with clients ranging from top-100 token projects to small start-ups. We are technologists with financial markets pedigree. Our activities include:
- Market making on 70+ centralised and decentralised exchanges
- Developing full blockchains, dApps, cross-chain bridges and more
- Building NFT marketplaces and supporting NFT projects
- Consultancy services
- Designing algorithmic trading systems and conducting trading strategy research
Our diverse multinational founding team combines academic excellence in mathematics and machine learning from Oxford, Cambridge and Princeton universities with track-records at software multinationals and global investment managers (Microsoft, Goldman Sachs), compounded with years of cryptocurrency experience. You can learn more about what we do at hirotech.io.
About the Role
We seek a skilled blockchain developer to maintain and enhance an existing Polygon fork Layer 1 (L1) blockchain and build innovative new technologies on this ecosystem. This is a contract/freelance role initially, working on specific deliverables as they arise, but with the potential for full-time/ongoing engagement further down the line. The role is suited to an experienced developer and could potentially fit around existing engagements as part of a portfolio career.
You will assist with ensuring the stability, scalability, and performance of the existing blockchain infrastructure while facilitating the development of new features and integrations to expand the ecosystem's capabilities as required.
Key Responsibilities
Blockchain Maintenance:
- Maintain and optimise the existing Polygon fork L1 blockchain.
- Implement bug fixes/patches.
- Manage node configurations, consensus mechanisms, and chain upgrades as needed.
Ecosystem Development:
- Design and implement new features and functionalities for the blockchain ecosystem.
- Integrate smart contracts and dApps to expand ecosystem utility.
- Support developers and external integrations.
Security & Performance:
- Ensure the blockchain remains secure against vulnerabilities.
- Optimise blockchain performance for scalability
- low latency.
- Mitigate risks associated with the ecosystem’s operation.
Collaboration & Documentation:
- Work closely with other team members.
- Write
and maintain comprehensive documentation.
Requirements
Technical Expertise:
- Proven experience working with Polygon or Ethereum-based forks.
- Strong knowledge of Solidity
, EVM
,
and Layer 1 blockchain architecture.
- Hands-on experience with smart contract development
, deployment
,
and testing.
- Familiarity with consensus algorithms such as PoS (Proof of Stake).
Programming Skills:
- Proficiency in Go
, Rust
, JavaScript (Node.js).
- Experience with blockchain tools
and frameworks.
Knowledge of databases.
Additional Skills:
Understanding of DeFi concepts
tokenomics,
ecosystem development.
Experience
with cross-chain integrations
and bridging.Familiarity
with DevOps practices CI/CD pipelines.Soft Skills:
Fluent English good spoken
and written communication.Strong problem-solving skills
and attention to detail.Ability
to work independently
manage tasks effectively in a remote environment.Able
to generate high quality documentation.Good
to HaveContributions
to open-source blockchain projects.Prior experience maintaining or launching a Layer 1 blockchain.Understanding
of cryptographic principles security protocols.What We OfferCompetitive contract rates based on experience.Flexible remote work environment.Opportunity
to work on cutting-edge Blockchain technology in rapidly growing ecosystem.Potential for long-term collaboration based on performance.Work
with globally recognised team that has been instrumental delivering innovative Blockchain solutions supporting Web3 projects across multiple verticals.How To ApplyPlease send your resume PDF format not MS Word.Share your portfolio if applicable ideally brief introduction outlining your relevant experience.Include examples previous Blockchain projects you’ve worked particularly involving Polygon Ethereum similar technologies.