AI Platform Engineer with Java Background (5+ Years)

About the role

We seek a highly accomplished Senior Java Developer with extensive Spring experience to join our distinguished team. This pivotal role requires a seasoned professional with robust technical expertise and refined client-facing skills, who will work closely with our esteemed clientele to deliver sophisticated and resilient solutions. This role is augmented with a focus on implementing and owning end-to-end AI features, integrating Large Language Models (LLMs) into production, and contributing to AI design decisions. We require a candidate with exceptional analytical prowess, unwavering drive, and meticulous attention to detail. The ideal candidate will be a collaborative team leader with a visionary mindset, capable of challenging existing paradigms and shaping future strategic directions. This position presents a unique opportunity to lead high-impact projects and engage directly with senior leadership.

Responsibilities

• Architect, develop, and maintain complex enterprise-level applications utilizing the Java Spring framework and integrate advanced AI/ML features into production systems.
• Collaborate strategically with cross-functional teams to elicit requirements, provide expert technical guidance, and ensure the successful execution of projects.
• Lead the development of highly scalable and efficient backend services leveraging the Java Spring framework.
• Design, build, and maintain key AI/ML components, including Retrieval-Augmented Generation (RAG) pipelines and AI agent workflows.
• Implement and manage integrations with Large Language Model (LLM) APIs, handling rate limiting, error handling, caching, and building validation layers.
• Mentor and guide junior developers, fostering their professional growth and contributing to the overall advancement of the development team.
• Conduct rigorous code reviews to ensure adherence to industry best practices and established coding standards, including attention to AI-related concerns like prompt safety and cost optimization.
• Diagnose, debug, and optimize applications to achieve peak performance.
• Maintain a comprehensive understanding of emerging trends and technologies within the Java Spring, AI/ML ecosystems.

Requirements

• Bachelor's degree in Computer Science, Software Engineering, or a closely related discipline.
• Minimum of five years of progressive professional experience in software development.
• Advanced proficiency in Java and extensive expertise with the Spring Framework (Spring Boot, Spring MVC, Spring Security).
• Proven experience in designing and implementing RESTful APIs.
• Proficiency with build tools (e.g., Maven, Gradle) and version control systems (e.g., Git).
• Experience with event-driven architectures and message queues.
• Substantial experience with database technologies, both SQL and NoSQL.
• Working knowledge of cloud platforms, preferably AWS or Azure.
• Conceptual understanding of Large Language Models (LLMs), embeddings, vector similarity, and Retrieval-Augmented Generation (RAG) fundamentals.
• Familiarity with prompt engineering principles, including designing effective prompts, using structured outputs

Benefits

Additional Information

Founded in 2014, Circles is a global technology company reimagining the telco industry with its innovative SaaS platform, empowering telco operators worldwide to effortlessly launch innovative digital brands or refresh existing ones, accelerating their transformation into techcos. Today, Circles partners with leading telco operators across multiple countries and continents, including KDDI Corporation, Etisalat Group (e&), AT&T, and Telkomsel, creating blueprints for future telco and digital experiences enjoyed by millions of consumers globally. Besides its SaaS business, Circles operates three other distinct businesses: Circles.Life : A wholly-owned digital lifestyle telco brand based in Singapore, Circles.Life is powered by Circles ' SaaS platform and pioneering go-to-market strategies. It is the digital market leader in Singapore and has won numerous awards for marketing, customer service, and innovative product offerings beyond connectivity. Circles Aspire : A global provider of Communications Platform-as-a-Service (CPaaS) solutions. Its cloud-based Experience Cloud platform enables enterprises, service providers and developers to deliver and scale mobile, messaging, IoT, and connectivity services worldwide. Jetpac : Specializing in travel tech solutions, Jetpac provides seamless eSIM roaming for over 200 destinations and innovative travel lifestyle products, redefining connectivity for digital travelers. Jetpac was awarded Travel eSIM of the Year. Circles is backed by renowned global investors, including Peak XV Partners (formerly Sequoia), Warburg Pincus, Founders Fund, and EDBI (the investment arm of the Singapore Economic Development Board), with a track record of backing industry challengers. Standardized Job Title: Senior Software Engineer Role: AI Platform Engineer with Java Background Location: Bangalore

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