Senior Blockchain Architect

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September 17

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RootstockLabs

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Crypto • Fintech • B2B

RootstockLabs is a pioneering company focused on building and expanding the capabilities of Bitcoin since 2017. The firm aims to provide developers with the necessary tools to innovate on Bitcoin's decentralized financial layer, Rootstock, which allows the creation of decentralized applications and services. With a commitment to making Bitcoin accessible for all, RootstockLabs enhances economic participation through technologies aimed at scaling Bitcoin, promoting secure and seamless financial transactions globally.

51 - 200 employees

₿ Crypto

💳 Fintech

🤝 B2B

📋 Description

• Architect solutions using RootstockLabs’ products and ecosystem capabilities. • Assess and improve existing or in-progress system architectures. • Identify and resolve technical challenges with a focus on security, scalability, and decentralisation. • Guide and supervise development squads to ensure architectural alignment. • Research emerging technologies and propose relevant improvements. • Inform stakeholders of technical risks, challenges, and trade-offs. • Evaluate the business impact of technical decisions. • Provide regular updates to stakeholders on product development, costs, and budgets. • Collaborate closely with other technical team members to recommend and implement improvements to systems. • Continuously research emerging technologies and inform stakeholders of technical challenges and impacts.

🎯 Requirements

• 5+ years of experience in the Web3 space, with a strong focus on architecture in recent years. • 4+ years of hands-on Solidity experience, including understanding of the EVM opcodes. • Proficient in Java, with experience analysing complex codebases and the ability to contribute code when required. • Additional skills in Rust and JavaScript are a strong plus. • Strong understanding of Bitcoin, encompassing consensus rules, p2p networking, tx formats, and the UTXO model; knowledge of Bitcoin Script, standard templates, non-standard use cases, and covenant proposals; familiarity with the Lightning Network and Bitcoin layer-2s/interoperability efforts. • Deep understanding of applied cryptography in blockchain systems, including ECDSA, Schnorr signatures, Hash functions, Merkle structures, Multisig and threshold schemes. • Experience in designing secure protocols and identifying vulnerabilities in smart contracts and blockchain applications. • Familiarity with consensus algorithms (e.g. Nakamoto, PBFT, Gasper) and their Sybil control mechanisms (e.g., PoW, PoS, dPos). • Familiarity with interoperability protocols is a strong plus. • Experience with EVM-compatible smart contract development, review, and auditing following best practices for gas optimisation, upgradeability, access control, and protection against common vulnerabilities. • Proven ability to proactively solve complex technical challenges. • Strong analytical skills to assess technical choices and their business impact. • Passion for staying ahead of blockchain trends and introducing new protocols/technologies into design sessions. • Excellent communication and presentation skills; able to explain complex concepts to both technical and non-technical audiences. • Strong organisational and time-management skills. • Ability to work effectively in a diverse, global, and fully remote team. • BSc/BA in Computer Engineering or similar experience is enough. • Fluent English required; Spanish is a plus.

🏖️ Benefits

• Competitive compensation package and unique benefits designed to support your growth and well-being. • 100% Remote Work from Europe / Latin America, with access to global CoWorking spaces. • Work-Life Balance: Up to 35 vacation days, 30 sick days and parental leave. • Continuous Learning: Access to training programs, language courses, and learning sponsorship annually. • Unique Projects: Work with cutting-edge blockchain technology in a global, diverse team. • Monthly Allowance for Contractors to support your connectivity and well-being.