senior java developer

Freelance Java Developer (Remote)
We're looking for an experienced freelance backend Java developer to join a fast-paced, tech-driven team building high-impact systems for a global digital platform. In this role, you'll play a key part in developing and maintaining complex billing systems and event-driven architectures in the cloud.

What you'll do

* Design, develop and maintain scalable backend services with a strong focus on billing and transaction systems
* Work in a cloud-native environment with technologies such as AWS, Kafka, Kubernetes, and DynamoDB
* Build reliable, distributed systems that handle high-throughput data and mission-critical workflows
* Collaborate with cross-functional teams (engineering, product, finance) to ensure accurate and efficient billing operations
* Contribute to CI/CD pipelines and monitoring to support production-grade infrastructure

Who are you?

* 4-5+ years of experience as a backend developer, with 3+ years working with Java (11+)
* Proven experience building or maintaining billing or payment systems
* Solid knowledge of AWS services, especially ECS/EKS, DynamoDB, and Lambda
* Hands-on experience with Kafka, event-driven microservices, and Kubernetes
* Comfortable working in fast-paced, remote environments
* Strong sense of ownership, proactive mindset, and great communication skills
* Background in FinTech or high-volume SaaS platforms

Practical details

* Start date: ASAP
* Duration: 6 months (intention to extend)
* Availability: 40 hours per week
* Location: Fully remote
* Hourly rate: Competitive, based on experience

Interested? Let's talk, love to hear from you!

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