AES - Application Modernization - Advanced Skills - Cloud

We are looking for an experienced Backend / AI Developer to join our team and drive the development of innovative, intelligent backend services for retail POS systems. The successful candidate will have a strong background in Java development, with a focus on Spring Boot and a deep understanding of the POS domain. This role is crucial in building microservices that support high-volume retail transactions and integrate AI/ML capabilities. We work in an Agile environment, so adaptability and a collaborative mindset are key. Responsibilities Responsibilities • Troubleshoot and debug Java-based backend applications • Perform code fixes and SQL-based data investigation • Monitor and resolve issues in GCP/GKE/Kubernetes environments • Participate in incident triage and cross-team collaboration • Support integrations across APIs, event streams, and middleware • Assist with AI/ML service integrations and debug AI-driven workflows • Work with Kafka/Pub-Sub for event-driven data processing • Improve observability (logs, metrics, traces) • Validate data quality for AI and backend systems Required Skills • Strong Java and backend troubleshooting experience • Production incident triage experience • Knowledge of GCP, GKE, Kubernetes basics • Solid SQL and REST API knowledge • Familiarity with microservices and distributed systems • Understanding of event-driven architecture (Kafka/Pub-Sub) • Basic AI/ML awareness (APIs, inference, LLM basics) • Experience integrating external/AI APIs • Exposure to observability tools (e.g., Grafana, Stackdriver) • Basic scripting (Python or similar) • Strong communication and adaptability Nice to Have • Retail or POS domain experience Qualifications 6 to 10 years of software development experience, with a strong focus on Java backend development. Hands-on expertise in Java, Spring Boot, Spring MVC, and Spring Data JPA is mandatory. Strong experience with Hibernate / JPA ORM, SQL, and database design for efficient data management. Proven track record in building RESTful APIs and microservices architectures for scalable solutions. Good understanding of backend system design, performance tuning, and scalability best practices. Working knowledge of AI/ML integration, including model inference, APIs, analytics, and fraud detection. Experience with Python and/or Java-based AI frameworks is an added advantage. In-depth knowledge of POS systems, retail transactions, billing, pricing, promotions, and store operations. Familiarity with cloud platforms (AWS, GCP, Azure) for efficient deployment and management. Strong analytical, problem-solving, and communication skills, with a collaborative and adaptable mindset. Company At Zensar, we’re “experience-led everything” . We are committed to conceptualizing, designing, engineering, marketing, and managing digital solutions and experiences for over 130 leading enterprises. We are a company driven by a bold purpose: Together, we shape experiences for better futures . Whether for our clients, our people, or the world around us, this belief powers everything we do. At the heart of our culture is ONE with Client - a set of four core values that reflect who we are and how we work: One Zensar, Nurturing, Empowering, and Client Focus . Part of the $4.8 billion RPG Group, we’re a community of 10,000+ innovators across 30+ global locations, including Milpitas, Seattle, Princeton, Cape Town, London, Zurich, Singapore, and Mexico City. Explore Life at Zensar and join us to Grow. Own. Achieve. Learn. to be the best version of yourself. We believe the best work happens when individuality is celebrated, growth is encouraged, and well-being is prioritized. We are an equal employment opportunity (EEO) and affirmative action employer, committed to creating an inclusive workplace. All qualified applicants will be considered without regard to race, creed, color, ancestry, religion, sex, national origin, citizenship, age, sexual orientation, gender identity, disability, marital status, family medical leave status, or protected veteran status.