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Senior Java Architect

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About Us

CoinFlip is a leading financial services platform focused on the digital economy. Headquartered in Chicago, CoinFlip operates the world’s largest network of cryptocurrency ATMs by volume and an over-the-counter trading desk, giving the world quick, easy, and secure access to the benefits of cryptocurrency.

CoinFlip placed No. 60 on the 2021 Inc. 5000 list, making it the top-ranked cryptocurrency company in the most prestigious ranking of the nation’s fastest-growing private companies. CoinFlip was also named the 2021 #1 fastest-growing company in Chicago by Crain’s and was awarded the 2021 Silver Stevie Award for Customer Service.

With a 5-year growth rate of 1,715,091.9%, the company is looking to quickly expand its current headcount across all departments. It’s an exciting time to join CoinFlip as it plans to add additional business lines, expand internationally, and cement itself as a leading fintech company.

The Role

We’re seeking a Senior Java Architect. This senior-level role will be a key member of the Platform Engineering team designing a next-generation Decentralized Finance (DeFi) processing platform. The role reports directly to the VP of Platform Engineering and will help determine many core aspects of a complex distributed system based on a microservices architecture and running on. Kubernetes. As part of this effort, the role will help to build and lead development teams for various aspects of the system as well as helping to guide the technical direction for implementing those systems.


  • Help lead the design of a complex DeFi ecosystem using a cloud-native microservices architecture.
  • Establish clear inter-system requirements and API contracts that will allow systems to be delegated to multiple development teams for implementation.
  • Build development teams around various aspects of the system after initial analysis.
  • Determine common technology stack for aspects such as configuration/monitoring/auditing.


  • B.S. in Computer Science or Software Engineering. Graduate degree in one of these fields is preferred.
  • At least 5 years as architect using microservices with CI\CD and cloud-native architecture.
  • At least 7 years of senior-level Java programming including Spring Boot / Framework / Security / Cloud / Data.
  • At least 3 years of experience with Kubernetes including tooling such as Helm.
  • Experience with service mesh implementations such as Istio.
  • Experience with relational databases (PostgreSQL preferred) and technologies such as Hibernate/JPA for mapping object models.
  • Experience building REST web services and some understanding of GraphQL concepts (knowledge of Spring/GraphQL integration a plus).
  • Experience with highly scalable, reliable event processing platforms such as Kafka or Google Pub/Sub and integrations with Spring Cloud.
  • Experience with various blockchain technologies such as Ethereum smart contracts
  • Preferred: Experience with financial systems or other environments with high transaction throughput and stringent security requirements.
  • Preferred: Experience with complex event processing (CEP) platforms such as Flink, Siddhi, or other event based streaming frameworks.
  • Preferred: Experience with Google Cloud and GKE. Cloud SQL and Pub/Sub experience is a plus.

Working at Coinflip means collaborating with experienced, people-first leaders with a clear vision and a track record of success. We offer a collaborative, positive working environment where we encourage employees to balance productivity with the need to recharge the batteries. And of course, you get paid pretty well - we offer competitive compensation packages, including equity, performance-based incentives, and competitive benefits for full-time employees.

Apply now

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Job type


$150K – $200K


Apply now

Please let CoinFlip know you found this position on Cryptocurrency Jobs as a way to support us so we can keep providing you with quality crypto jobs.

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