Infosys - Principal Architect - Java Programming

Job Description :

Key Responsibilities :

• Lead the architecture and development of highly scalable enterprise applications using Java, Spring Boot, microservices, REST APIs, and modern application design principles.
• Define technical architecture, application design patterns, coding standards, development frameworks, and engineering best practices across multiple technology teams.
• Design and implement distributed, resilient, highly available backend systems capable of handling high-volume transactions and complex business workflows.
• Drive modernization of legacy Java applications into scalable, modular, API-driven and cloud-ready architectures.
• Provide hands-on technical leadership across the complete software development lifecycle, including architecture, design, development, code reviews, testing, deployment, performance optimization, and production support.
• Design and govern enterprise-grade RESTful APIs, integration frameworks, event-driven architectures, and service-to-service communication patterns.
• Work closely with product managers, engineering leaders, enterprise architects, and business stakeholders to translate business requirements into scalable technical solutions.
• Lead the design and implementation of microservices-based architectures with appropriate service boundaries, communication patterns, resiliency, observability, and fault tolerance.
• Drive backend performance optimization, scalability improvements, concurrency management, memory optimization, database performance, and application tuning.
• Establish best practices around clean code, design patterns, SOLID principles, domain-driven design, testability, maintainability, and engineering quality.
• Provide technical direction for full-stack application development, including integration with modern frontend frameworks where required.
• Review complex technical designs and provide architectural guidance to senior developers, technical leads, architects, and engineering managers.
• Identify technology risks, architectural bottlenecks, scalability challenges, and opportunities for platform and application modernization.
• Drive engineering initiatives involving containerization, CI/CD, automated deployments, infrastructure integration, and cloud-native application development.
• Ensure applications follow enterprise standards for security, authentication, authorization, data protection, logging, monitoring, and compliance.
• Lead technical discussions, architecture reviews, proof-of-concepts, technology evaluations, and design workshops.
• Mentor and coach senior engineers and architects, building strong technical capabilities across engineering teams.

Technical Expertise :

• Strong and extensive experience with Core Java, Java 8/11/17 and advanced Java programming concepts.
• Deep expertise in Spring Framework, Spring Boot, Spring MVC, Spring Security and Spring-based enterprise application development.
• Strong experience designing and implementing Microservices architectures.
• Expertise in REST APIs, API gateways, service integration, asynchronous communication, and distributed systems.
• Strong understanding of Java concurrency, multithreading, JVM internals, memory management, garbage collection, performance tuning, and application profiling.
• Strong knowledge of software architecture patterns including Microservices, Event-Driven Architecture, Domain-Driven Design, Layered Architecture, Hexagonal Architecture, and distributed system patterns.
• Experience with messaging and streaming technologies such as Kafka, RabbitMQ or equivalent platforms.
• Strong database expertise across relational and NoSQL databases such as PostgreSQL, Oracle, MySQL, MongoDB, Cassandra or equivalent technologies.
• Experience with ORM and persistence frameworks such as Hibernate, JPA and Spring Data.
• Strong understanding of database design, indexing, query optimization, transactions, concurrency, and data consistency.
• Experience with containerized applications using Docker and orchestration platforms such as Kubernetes.
• Strong understanding of CI/CD pipelines, DevOps practices, automated deployments, source-code management, and release management.
• Experience with cloud-native application architecture and at least one major cloud platform such as AWS, Azure, or GCP.
• Strong understanding of application security, OAuth2, JWT, authentication, authorization, encryption, secure API design, and OWASP principles.
• Experience with observability tools and practices covering application logging, monitoring, distributed tracing, metrics, and production diagnostics.

Full Stack Exposure :

• Strong backend expertise is mandatory, along with the ability to understand and guide full-stack application development.
• Experience working with modern frontend technologies such as React.js, Angular, JavaScript, TypeScript, HTML and CSS.
• Ability to define effective frontend-backend integration patterns and API contracts.
• Understanding of frontend architecture, state management, performance optimization, security, and scalable UI application design.
• Ability to collaborate with frontend engineering teams and provide architectural direction across the complete application stack.

Architecture & Engineering Leadership :

• Own and drive architecture for large, complex and business-critical applications.
• Define technology roadmaps and guide long-term platform modernization initiatives.
• Evaluate existing systems and identify opportunities for re-engineering, refactoring, scalability improvements, and technology transformation.
• Establish reusable frameworks, platforms, libraries, APIs, and engineering accelerators.
• Drive architecture governance and ensure engineering teams follow agreed technical standards.
• Lead resolution of critical production issues and complex technical challenges.
• Influence engineering strategy and technology decisions across multiple teams and business units.
• Partner with senior leadership to evaluate technology investments, engineering priorities, and architectural trade-offs.

Desired Leadership Attributes :

• Strong technical leadership with the ability to influence senior engineering and architecture teams.
• Excellent problem-solving and analytical skills with experience handling complex enterprise-scale systems.
• Ability to balance technical excellence, business priorities, scalability, security, cost, and time-to-market.
• Strong communication and stakeholder-management skills.
• Experience mentoring architects, principal engineers, technical leads, and senior developers.
• Ability to operate effectively in large, distributed and cross-functional engineering organizations.
• Strong ownership mindset with the ability to drive initiatives from architecture through production implementation.

Key Deliverables :

• Scalable and resilient Java-based enterprise platforms.
• Modernization of legacy applications and migration toward microservices and cloud-native architectures.
• High-performance backend services and APIs.
• Enterprise architecture standards and reusable engineering frameworks.
• Improved application reliability, scalability, security, and performance.
• Strong engineering practices across development teams.
• Technical mentoring and capability development of senior engineering talent.