? Who we are Stackup is at the forefront of account abstraction technology, specializing in smart account solutions that significantly enhance the onchain user experience. As the first provider of ERC-4337 infrastructure, we have pioneered the transition to smart accounts within the Ethereum ecosystem. This is a full-time position where you’ll play a pivotal role in leading the development of cutting edge account abstraction infrastructure. ?️ What you’ll do We are seeking a senior blockchain engineer to take ownership of developing our account abstraction infrastructure and tooling. These are some of the tasks you’ll be responsible for:
• Lead the development of the ERC-4337 Golang Bundler, focusing on EntryPoint compatibility, P2P mempool implementations, and multi-chain support.
• Develop other core components that enable essential account abstraction features such as the paymaster service and related contracts.
• Collaborate with the team to ensure all onchain activities are built with high reliability, security, and compliance.
• Stay updated and contribute to the growing account abstraction ecosystem, keeping a pulse on the latest related EIPs and standards. As a senior blockchain engineer at Stackup, you will be playing a crucial role in helping us build the most robust account abstraction infrastructure within the ecosystem. Your efforts in ensuring a high standard of technical execution will contribute to the ecosystem’s migration to smart accounts. ? What we are looking for This role is a good fit if your skill set aligns with the following:
• Strong technical understanding of blockchain architecture and the EVM.
• Proficiency in Solidity and smart contract security.
• In-depth knowledge of account abstraction.




• Proven experience in building production-grade infrastructure and tooling.
• Production experience with Golang, TypeScript, and Solidity. ? Our culture At Stackup, We’re On a Mission To Create a More Open And Efficient Internet Economy By Empowering Teams To Build Onchain. We Believe That Achieving This Goal Requires a Highly Resilient Team That Can Execute Effectively At Every Level. Here Are Our Core Values
• Highly Collaborative: Impact is multiplied when everyone is aligned with a single goal.
• Customer-Centric: Everything we build should add value for our customers.
• Excellent Engineering: A strong foundation of reliability, security, and compliance is essential.
• Strong Ownership: Each member has a robust sense of accountability for their work.
• Growth Mindset: A desire to continuously improve individual and team performance. If our mission and core values resonate with you, consider applying and working with a close-knit team to push the account abstraction roadmap forward ?

What we offer
• Competitive Salary and Equity:

We offer
a market-leading compensation package.
• Remote Work: Enjoy the flexibility of working remotely with a supportive, close-knit team.
• Travel Opportunities: Attend conferences and team off-sites to grow professionally and build stronger team connections. ? Application process Ready to join our team? Here's what to expect:
• Apply: Click the apply button below.
• Initial Interview: Meet with one of our co-founders.
• Technical and Cultural Interviews: Engage with team members to assess your technical skills and cultural fit.
• Final Chat: Discuss the offer and onboarding details. We strive to make the application process as transparent and smooth as possible.

📌 Senior Blockchain Engineer (Australia)
🏢 Bymorning
📍 Australia