Sr. SW Engineer

Overview

Visa is seeking a Sr. Software Engineer to support, maintain, automate and enhance large-scale Hadoop and cloud-based Big Data ecosystems and to contribute to software development initiatives.

What you'll do

• Perform engineering and administration duties for Big Data platforms built on open-source technologies such as Hadoop, Spark, and HBase.
• Design, develop, and implement automation solutions, tools and products to improve operational efficiency, platform reliability, and system scalability.
• Manage the AWS Big Data cluster.
• Write clean, efficient, and maintainable code based on business and technical requirements, and support the testing, deployment, and validation of software solutions.
• Build and enhance front-end applications using HTML, CSS, JavaScript, and SQL, applying strong UI/UX principles.
• Develop and maintain back-end services using Python, Java, and related technologies, including API design and integration.
• Leverage Generative AI (GenAI) to drive innovative solutions, improve productivity, testing, and automation.
• Collaborate with cross-functional teams to translate business requirements into efficient technical solutions and tools.

What you'll need

• Bachelor's degree and 3+ years of relevant work experience.
• 2+ years of experience with Big Data technologies (Hadoop, Spark) is required.
• Expertise in one or more programming languages, Python or Java, is required.
• Excellent interpersonal, verbal, and written communication skills.

Nice to have

• Hands-on experience in software engineering with strong coding skills.
• Experience with cloud platforms, preferably AWS, GCP and Databricks.
• AWS experience with big-data services such as AWS EMR, plus cloud fundamentals (networking, IAM/security, observability).
• Experience with cloud migration from on-prem to cloud.
• Experience with AWS operational tooling (e.g., CloudWatch/CloudTrail/SNS) and automation (e.g., CloudFormation).
• Solid foundation in computer science fundamentals and data structures.
• Proficiency in Python or Java and relevant AI libraries such as TensorFlow, PyTorch, etc.
• Strong experience developing front-end (HTML, CSS, JavaScript) and back-end services.
• Demonstrated use of Generative AI in development and testing workflows.
• Experience with LLMs and frameworks such as LangChain or LangGraph.
• Working knowledge of Linux fundamentals and system concepts (CPU, memory, storage, networking).

Details

• Location: Bengaluru, India.
• Work mode: at least 3 days in office, as confirmed by the Hiring Manager.