Staff Software Engineer – Blockchain & Payments APIs

Circle; Seattle (WA); On-site; USD 195,000 - 257,500; Full time

Job summary

Circle is seeking a Staff Software Engineer in Seattle to extend its blockchain systems infrastructure, ensuring the tokenization of assets. You will work on reliable APIs and scalable microservices while collaborating closely with product and engineering teams.

The ideal candidate will have a strong background in object-oriented programming, extensive experience in API design, and a technical leadership role overseeing larger teams. Circle values transparency and is committed to fostering an inclusive financial future.

Qualifications

• 7+ years of software development experience in object-oriented languages.
• Technical leadership experience for teams greater than four.
• Deep understanding of Web3, blockchain, and smart contract logic.

Responsibilities

• Extend Circle’s blockchain systems infrastructure for tokenization.
• Build and own scalable microservices for APIs.
• Collaborate with teams to design, test, and shape Circle features.

Skills

Object-oriented programming (Go/Java)

API design

Payments processing

Blockchain experience

SQL database design

Excellent communication skills

Education

Computer Science degree or equivalent

Tools

AWS

Kubernetes

RESTful APIs

Job description

Circle is seeking a Staff Software Engineer in Seattle to extend its blockchain systems infrastructure, ensuring the tokenization of assets. You will work on reliable APIs and scalable microservices while collaborating closely with product and engineering teams.

The ideal candidate will have a strong background in object-oriented programming, extensive experience in API design, and a technical leadership role overseeing larger teams. Circle values transparency and is committed to fostering an inclusive financial future.