Polymarket is seeking a highly skilled Staff Backend Engineer to join our team, working remotely within or close to the EST timezone. The ideal candidate will have extensive experience in backend development and building distributed applications, with a strong focus on building scalable and secure blockchain-based systems.

What you'll do

• Develop backend services. You’ll architect, implement, and maintain robust backend services and APIs that power our platform.
• Optimize performance. You’ll work on optimizing system performance to handle high volumes of transactions and data.
• Ensure security and scalability. You’ll implement best practices to ensure the security and scalability of our backend systems.
• Collaborate with frontend and product teams. You’ll work closely with frontend engineers and product managers to deliver seamless user experiences.
• Review Code. You’ll participate in code reviews and provide constructive feedback to maintain high code quality standards.
• Participate in research. You’ll help research and develop cutting edge blockchain-based trading solutions.
• Interface with Customers. You’ll communicate directly with customers providing support and gathering feedback.

What we're looking for

• 8+ years of experience in backend development
• Experience architecting and developing solutions to ambiguous problems with significant impact and high usage
• Master-level proficiency in systems programming languages like Golang, Rust or C++
• Strong knowledge of database systems and internals (e.g., PostgreSQL, MongoDB)
• Extensive experience with cloud platforms (e.g., AWS, GCP) and infrastructure as code (e.g. Terraform, Ansible)
• Excellent problem-solving and communication skills
• (Plus) Blockchain specific back-end experience (e.g. working on BFT consensus engines, event indexing systems, libp2p).
• (Plus) Experience with Ethereum roll-up technologies (e.g. Arbitrum Nova, Optimism etc.)
• (Plus) Open source contributor
• (Plus) Active participant on ethresear.ch