Java Developer

Tampa, FL /
Technology /
/ On-site
CoinFlip is a leading fintech company powered by cryptocurrency. Believing everyone deserves to participate in the new digital economy, the company operates one of the world’s largest networks of cryptocurrency ATMs — with over 4,000 active kiosks — as well as an over-the-counter trading desk. In 2022, CoinFlip became an international company by expanding into Canada, and launched CoinFlip Ventures, a new initiative designed to support start-up companies. 

CoinFlip placed No. 60 on the 2021 Inc. 5000 list of the nation’s fastest-growing private companies. CoinFlip was also named the 2021 and 2022 #1 fastest-growing company in Chicago by Crain’s Business. 

As our growth trajectory continues, we’re looking to quickly expand all of our teams. It’s an exciting time to join CoinFlip as we’re pursuing additional business lines and continued international expansion to further cement us as a leading financial technology company. 

This role will be a key member of the Platform Engineering team designing a next-generation crypto powered financial services platform for consumers. The role reports to the Manager of Engineering  and will be responsible for implementing many core aspects of a complex distributed system based microservices patterns in a cloud native platform architecture.


    • Design and develop microservices in conjunction with the Senior Java Architect role and other developers assigned to the team.
    • Take requirements produced by the product development team and build performant, high-quality code that delivers the expected functionality.
    • Participate in design discussions and help guide the direction of the product implementation.
    • Other duties as assigned


    • B.S. in Computer Science or Software Engineering. Graduate degree in one of these fields is preferred.
    • At least 3 years of senior-level Java programming including Spring Boot / Framework / Security / Cloud / Data.
    • 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.
    • Preferred: Experience with various blockchain technologies such as Ethereum smart contracts
    • Preferred: Experience with Kubernetes and related tooling such as Helm.
    • Preferred: Experience with financial systems or other environments with high transaction throughput and stringent security requirements.
    • Preferred: Experience with AWS, or Google Cloud and GKE. Cloud SQL and Pub/Sub experience is a plus
    • This role is required to be in-office five days per week

Nice To Have:

    • Basic knowledge of cryptocurrency and blockchains
    • General passion and knowledge of fintech and crypto
Working at CoinFlip means collaborating with experienced and innovative leaders who share a clear vision and a track record of success. We offer a collaborative and positive working environment where we encourage employees to balance productivity with time to recharge. Compensation is above and beyond a typical “startup” — we offer competitive salaries, performance-based incentives, and competitive benefits for full-time employees.

CoinFlip values diversity in the workplace and is an equal opportunity employer committed to providing an inclusive and accessible work environment. We thank all candidates who apply, but only those selected for an interview will be contacted. 

By applying to this role, you give express consent to CoinFlip to send you informational text (SMS) messages regarding this role and the application process. You can cancel the SMS service at any time by replying "STOP" to the text message you received. If at any time you forget what keywords are supported, just reply "HELP." Message and data rates apply. If you require a special accommodation, please let us know and we’ll work with you to meet your needs.