Senior Java Architect (Java 17/21/25, Apache Kafka, AWS)

Position: Senior Java Architect (Java 17/21/25, Apache Kafka, AWS)
Location: Onsite in Irvine, CA
Duration: Long Term

About R Systems:
R Systems is a leading digital product engineering company that designs and develops chip-to-cloud software products, platforms, and digital experiences that empower its clients to achieve higher revenues and operational efficiency. Our product mindset and engineering capabilities in Cloud, Data, AI, and CX enable us to serve key players in the high-tech industry, including ISVs, SaaS, and Internet companies, as well as product companies in telecom, media, finance, manufacturing, and health verticals. We Are Great Place to Work Certified in 10 countries with a full-time workforce [India, USA, Canada, Poland, Romania, Moldova, Indonesia, Singapore, Malaysia & Thailand]! We are recognized as one of the Best Tech Brands 2024 by the Times Group and India's Top 500 Value Creators 2023 by Dun & Bradstreet.

Overview
We are seeking a highly experienced Senior Architect to lead the design and implementation of enterprise-scale, cloud-native platforms and distributed systems. This role will drive architecture strategy, technology decisions, modernization initiatives, and engineering best practices across the organization. The ideal candidate brings deep expertise in modern Java, microservices, event-driven architectures, AWS cloud technologies, and technical leadership.

Responsibilities:

• Define and govern enterprise architecture standards, principles, and best practices.
• Design scalable, resilient, and secure cloud-native solutions using modern architectural patterns.
• Lead architecture reviews, technology evaluations, and technical decision-making.
• Architect microservices, event-driven systems, APIs, and enterprise integration solutions.
• Drive adoption of AWS cloud services, hybrid-cloud architectures, and platform modernization initiatives.
• Establish standards for observability, reliability, security, and performance engineering.
• Guide implementation of Kafka-based streaming and real-time data processing solutions.
• Mentor architects, technical leads, and engineering teams.
• Collaborate with business and technology stakeholders to align architecture with strategic objectives.
• Promote engineering excellence through DevOps, automation, and AI-enabled solution design.

Requirements:

• Bachelor's degree in Computer Science, Engineering, or equivalent practical experience.
• 15+ years of overall IT experience, including 10+ years in enterprise application development.
• 3+ years of experience in Architect or Lead Architect roles.
• Deep expertise in Java 17/21/25, Spring Boot, Spring Framework, REST APIs, and gRPC.
• Strong experience designing microservices, distributed systems, and Domain-Driven Design (DDD) architectures.
• Proven expertise in Apache Kafka, event-driven architecture, and real-time streaming solutions.
• 5+ years of experience with AWS cloud services, including EKS, ECS, Lambda, API Gateway, RDS, DynamoDB, S3, and MSK.
• Strong knowledge of PostgreSQL, Oracle, NoSQL databases, Redis, and data architecture best practices.
• Experience with enterprise integrations, B2B APIs, Webhooks, and asynchronous communication patterns.
• Expertise in security frameworks including OAuth2, OpenID Connect, and API security.
• Experience implementing observability and reliability practices using ELK/OpenSearch, Prometheus, Grafana, and distributed tracing tools.
• Familiarity with AI integration, including RAG, Vector Databases, LLMs, and LangChain/LangChain4j.
• Experience with CI/CD, Terraform, Docker, and modern deployment strategies.
• Strong leadership, stakeholder management, and mentoring skills.

Preferred:

• Experience with hybrid cloud architectures, service mesh technologies (Istio/Linkerd), Zero Trust security, and SRE practices.

Why Join R Systems?

• Frequent Internal Hackathons: Engage in dynamic competitions with exciting prizes to keep your skills sharp.
• Cultural Celebrations: Strengthen our familial bonds through shared celebrations, fostering a sense of community.
• Diverse Project Exposure: Work on a variety of projects across sectors like Healthcare, Banking, e-commerce, and Retail, collaborating with leading global brands.
• Centre of Excellence (COE): Benefit from technical guidance and upskilling opportunities provided by our team of technology experts, helping you navigate your career path.
• E-Learning Platform: Gain access to comprehensive e-learning platforms coupled with a robust mentorship program to enhance your skills.
• Open Door Policy: Embrace a culture of mutual support, respect, and open dialogue, promoting a collaborative work environment.

If you are passionate and excited about working in a fast-paced, innovative environment, we would love to hear from you!

R Systems is an equal opportunity employer that does not discriminate against any employee or job applicant because of race, color, religion, national origin, sex, physical or mental disability, age, or any other characteristic protected by law. We strive to build a team that reflects the diverse communities we serve, and we actively encourage applications from individuals of all backgrounds and experiences. Our commitment to equal opportunity extends to all aspects of employment, including recruitment, hiring, training, promotion, and benefits.
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