Full Stack Developer Location : , FL

Location : Tampa, FL (Local / Nearby Candidates Preferred)

Employment Type : W2 Contract

Project Overview :

Join a global team enhancing and modernizing the Graphite Payment Platform , a high-performance system processing up to 30 billion dollars and over 2–3 million transactions per day . This platform supports routing payments from upstream systems with strict latency constraints (≤30 milliseconds) .

Role Responsibilities :

Enhance and modernize an enterprise-scale payment routing platform.

Develop robust backend solutions using Java 11 / 17 (upgrading to 21).

Optimize and support transaction routing logic with ultra-low latency.

Implement and manage containerized services on Kubernetes .

Integrate and scale message-driven architectures using Kafka , MQ , etc.

Collaborate with a global team to onboard new clients and support increased traffic.

Maintain and improve database interactions (Oracle or CockroachDB).

Participate in planning for a future cloud migration to AWS .

Tackle complex technical problems with a strong focus on performance and reliability.

Must-Have Skills :

Java (11 / 17, moving toward 21)

Spring Framework

Kubernetes

Kafka or equivalent messaging systems

Oracle or CockroachDB

Nice-to-Have Skills :

NoSQL experience

Test automation with JUnit , Cucumber

Experience with cloud-native patterns or AWS

Tech Stack :

Java 11 (migrating to 17 / 21)

Spring Framework

Kafka, MQ

Oracle, CockroachDB

Kubernetes (Gaia platform)

Messaging & Routing systems

Future move to AWS

Third-party recruiters, please do not reach out for this role.