Senior Blockchain Engineer (Account Abstraction)

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 strong 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 or send your resume to
• 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.