Sr. Java Developer - Payments
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Position Overview:
We are seeking a Senior Java Developer to build and operate backend services powering a payments platform. This includes microservices for transaction processing and AI/ML-powered capabilities such as LLM-backed APIs and automation workflows.
Key Responsibilities:
- Software Design & Development
- Build scalable Java microservices for payment processing
- Integrate with payment gateways (Stripe, Adyen, etc.)Develop REST APIs and event-driven systems
- Use AI coding tools for development acceleration
- Build AI-powered services (RAG pipelines, LLM APIs)
- Reliability & Operations
- Own production services (monitoring, on-call)
- Resolve latency and transaction issues
- Implement resilience patterns (retry, circuit breakers)
- Maintain SLAs for performance and uptime
- Operate AI systems with observability and fallback mechanisms
- Security & Compliance
- Implement PCI-compliant data handling
- Apply encryption and tokenization
- Conduct threat modeling and vulnerability remediation
- Implement AI security practices (PII protection, guardrails)
- Collaboration & Leadership
- Work with BSA, Product, QAMentor engineers and lead code reviews
- Contribute to architecture and roadmap decisions