Java Architect (Credit Cards)

Job Title: Technical Architect Credit Cards / Unsecured Lending / BNPL
Experience Required: 10 years
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About the Role
We are looking for a Technical Architect with deep expertise in credit card, unsecured lending, card payments, card issuance, or BNPL (Buy Now Pay Later) domains. The ideal candidate will lead the design and development of scalable, secure, and resilient cloud-native applications, working closely with cross-functional teams to define and deliver modern enterprise solutions.
You will combine strong technical acumen with business domain knowledge, ensuring architectural decisions align with product strategy and compliance requirements.
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Key Responsibilities
Architectural Leadership
Lead the architecture and design of scalable, resilient cloud-native applications based on microservices and hexagonal architecture principles.
Collaborate with business and technical stakeholders to align architecture with product goals and roadmap.
Define and enforce engineering standards, design patterns, and best practices across multiple workstreams.
Core Technical Areas
Java &Quarkus Expertise: Apply Quarkus and Java best practices for high-performance and maintainable systems.
Event-Driven Systems: Design and integrate Kafka-based distributed systems for asynchronous event-driven communication.
Multi-Tenant Design: Architect multi-tenant solutions ensuring security, data isolation, and performance optimization.
Caching Strategies: Implement Redis caching to improve responsiveness and scalability.
Service Mesh: Use Istio for service discovery, traffic management, observability, and security.
Observability: Integrate OpenTelemetry, Splunk, Dynatrace, CloudWatch for real-time monitoring and tracing.
Cloud & DevOps: Work with Kubernetes (K8s), Docker, ArgoCD, Helm Charts for deployment and lifecycle management.
Security & Compliance: Embed security best practices and ensure architectural compliance with organizational and regulatory standards.
Collaboration & Leadership
Partner with development, DevOps, product, and QA teams to translate business goals into technical solutions.
Mentor engineers, review designs, and guide implementation for consistency and scalability.
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Required Skills & Experience
10 years of hands-on experience in Java/J2EE enterprise system design and development.
Proven background in cloud-native application architecture and application modernization.
Strong experience with microservices-based, event-driven architecture.
Expertise in Kafka (topics, producers, consumers, stream processing).
Deep knowledge of API paradigms (REST/JSON, OAuth, API client design).
Experience with Hexagonal Architecture and multi-tenant applications.
Strong understanding of Kubernetes, Docker, ArgoCD, Helm, and CI/CD automation.
Proficiency in Istio service mesh and Redis caching.
Experience designing observable systems using OpenTelemetry, Splunk, Dynatrace, CloudWatch, etc.
Familiarity with IaC (Infrastructure-as-Code) and DevOps methodologies.
Excellent communication, leadership, and stakeholder management skills.
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Mandatory Domain Expertise
Credit Card / Unsecured Lending / Card Payments / Card Issuance / BNPL domain experience is mandatory.
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Nice to Have
Experience with GraphQL, gRPC, or WebSockets.
Working knowledge of AVRO data serialization.
Exposure to AI/ML-driven observability or performance optimization tools.
Experience with hybrid or multi-cloud environments (AWS, Azure, Google Cloud Platform).