Senior Java Developer
Rebirth Finance is an AI-powered fintech platform that lets individuals and businesses manage fiat, crypto, and other assets in one place. It offers AI trading bots, copy trading, cross-border payments, open banking integration, and business collection/marketing tools, powered by its native REPA token.
Maintainer signals as of 8/12/2026
About Rebirth Finance
Rebirth (also referred to as Rebirth Fintech / Rebirth Finance) is a fintech platform that combines financial and social features under one roof. For individuals it offers an AI-powered trading bot, copy trading, market analytics and utilities, cross-border money transfer and contactless payments, and AI-assisted integration of bank accounts and credit cards. For businesses it provides store creation, digital marketing, loyalty programs, and receivables collection solutions across fiat, crypto, and card payments. The ecosystem is underpinned by the REPA token, a BEP20 utility and service token on the Binance Smart Chain that grants tiered loyalty benefits (Oxygen, Ruthenium, Palladium, Tritium), fee discounts, deposit interest, and a share of quarterly dividends from Rebirth's profits. Rebirth targets retail crypto/fiat users seeking automated trading and payment tools, as well as small-to-medium businesses seeking marketing, loyalty, and collections infrastructure. The company is headquartered in San Francisco, CA.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You design and implement distributed systems, develop, test, deploy, maintain, and improve your code throughout its lifecycle, build backend components and services using Java, Kafka, microservices, and AWS, maintain tested code with continuous integration, optimize scalability, and share knowledge to improve engineering practices.
Requirements
- 4+ years of experience developing software using Java and Spring Boot
- Knowledge of relational databases including MySQL and PostgreSQL
- Understanding of AWS, Azure, or Google Cloud
- Understanding of microservice architecture
- Experience with MongoDB, Elasticsearch, Memcached, Redis, or DynamoDB
- Experience with Terraform and Kubernetes
- Experience with Apache Kafka, RabbitMQ, or Amazon SQS
- Experience with Apache Cassandra
- Knowledge of PHP, Node.js, or Python
- Familiarity with domain-driven design
Responsibilities
- Design distributed systems
- Implement distributed systems
- Develop backend components and services
- Develop applications using Java, Kafka, microservices, and AWS
- Test software
- Deploy software
- Maintain and improve code
- Maintain a tested codebase
- Optimize software for speed and scalability
- Share knowledge and improve engineering practices
Benefits
- Competitive salary and bonuses
- Flexible and remote working options
- Annual bonuses
- Learning Hub
- Free assorted healthy snacks and fresh fruits in the office
- Weekly gourmet breakfast meet-ups
- Regular exciting team events and parties