PRINCIPAL ARCHITECT - Java
Happiest Minds Technologies
Bengaluru, Karnataka, India
- Role Summary We are looking for an experienced Java Full Stack Architect with strong expertise in Java backend, modern frontend technologies, cloud, microservices and AI/GenAI. The candidate will own end-to-end architecture, drive technology decisions, build scalable enterprise solutions and provide technical leadership to engineering teams.
- Key Responsibilities
- Define and own end-to-end application architecture across frontend, backend, APIs, databases, cloud and AI components.
- Design scalable Java/Spring Boot microservices and RESTful APIs.
- Lead frontend architecture using React/Angular, JavaScript and TypeScript.
- Design and implement AI/GenAI-enabled enterprise applications and features.
- Identify opportunities to leverage LLMs, RAG, AI agents and intelligent automation within business applications.
- Integrate enterprise applications with LLM/GenAI APIs and AI platforms.
- Drive security, performance, scalability, observability and reliability.
- Provide hands-on technical leadership, architecture reviews and code/design reviews.
- Mentor senior developers and architects and establish engineering best practices.
- Collaborate with product, business, engineering, DevOps and data teams to translate requirements into technical solutions.
- Mandatory Skills
- Java / Backend
- Java 11/17/21+
- Spring Boot / Spring Framework
- Spring Security
- Microservices Architecture
- REST APIs / API Design
- Hibernate / JPA
- Kafka or equivalent messaging technology
- Frontend
- React or Angular ? strong hands-on expertise
- JavaScript / TypeScript
- HTML5 / CSS3
- Frontend architecture and design patterns
- Responsive UI development
- AI / GenAI ? Mandatory
- Strong understanding of Generative AI and LLMs
- Experience integrating OpenAI, Azure OpenAI, Gemini, Claude or equivalent LLM APIs
- RAG architecture and vector databases
- Prompt engineering and LLM application development
- AI agents / Agentic AI concepts
- AI-powered automation and enterprise use cases
- Understanding of AI security, governance, responsible AI and data privacy
- Experience integrating AI capabilities into Java/full-stack applications
- Architecture & Cloud
- Enterprise Application Architecture
- System Design / Distributed Systems
- Design Patterns / SOLID
- AWS / Azure / GCP
- Docker / Kubernetes
- CI/CD and DevSecOps
- Git
- Database
- Strong SQL expertise
- Oracle / PostgreSQL / MySQL
- MongoDB or other NoSQL technologies
- Leadership
- Technical leadership of engineering teams
- Architecture and design governance
- Mentoring and technical coaching
- Strong communication and stakeholder management
Java, Gen AI, ReactJS, AngularJS