Back End Developer

Job Title: Full Stack Java Backend Developer

Location: Pune, India (Hybrid – 2 to 3 days/week onsite)

Employment Type: Contract

Client: Mastercard Position Overview We are seeking an experienced Senior Full Stack Java Backend Developer to lead the design and development of enterprise-scale, cloud-native applications. The ideal candidate will possess deep expertise in Java, Microservices, API Architecture, Cloud Platforms, DevOps practices, and high-performance distributed systems. This role requires technical leadership, architectural decision-making, and ownership of mission-critical applications. Key Responsibilities

• Architect, design, and develop scalable enterprise applications using Java and modern backend technologies.
• Lead the implementation of Microservices and API-driven architectures.
• Design secure, highly available, and resilient cloud-native solutions.
• Drive technical design discussions and provide architectural guidance to development teams.
• Lead code reviews and enforce software engineering best practices.
• Design and optimize distributed systems for high throughput and low latency.
• Collaborate with product owners, architects, DevOps teams, and business stakeholders.
• Implement and enhance CI/CD pipelines and infrastructure automation.
• Troubleshoot complex production issues and drive root-cause analysis.
• Mentor junior and mid-level developers.
• Ensure adherence to security, performance, scalability, and reliability standards. Required Technical Skills Core Java & Backend Development
• Expert-level Core Java (Java 17)
• J2EE
• Spring Boot
• RESTful API Design & Development
• Advanced Java Design Patterns
• Enterprise Application Architecture Architecture & Cloud
• Microservices Architecture
• API Security, Governance, and Integration
• Cloud-Native Application Design
• Public and Private Cloud Platforms
• Distributed Systems Design
• 12-Factor Application Principles DevOps & Platform Engineering
• Docker
• Kubernetes
• Rancher
• Jenkins CI/CD Pipelines
• Git
• JIRA
• Apache Tomcat Messaging & Event Streaming
• Apache Kafka
• JMS/MQ Queues
• Event-Driven Architecture Front-End & Data Formats
• JavaScript
• JSON Database Technologies
• Advanced SQL
• Oracle Database
• Cassandra
• NoSQL Database Design
• Data Modeling and Performance Optimization Monitoring & Observability
• Grafana
• Geneos
• Dynatrace
• Splunk Preferred Qualifications
• Experience in Payments, Banking, or Financial Services domains.
• Strong knowledge of Cross-Currency Payment Transfer systems.
• Experience with high-volume, low-latency transaction processing platforms.
• Experience leading cloud migration or modernization initiatives.
• Strong stakeholder management and communication skills. What We're Looking For
• Proven experience building highly available and scalable enterprise platforms.
• Strong architectural and system design expertise.
• Ability to mentor and lead engineering teams.
• Excellent analytical and problem-solving capabilities.
• Ability to work independently while driving technical excellence across teams.
• Strong Agile and DevOps mindset. .