Sr. SW Engineer

About Us Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. At Visa, you'll have the opportunity to create impact at scale — tackling meaningful challenges, growing your skills and seeing your contributions impact lives around the world. Join Visa and do work that matters – to you, to your community, and to the world. Progress starts with you. Job Description We are seeking a highly motivated Hadoop Engineer with strong programming skills and hands-on experience in Big Data platforms on cloud. The ideal candidate will be responsible for supporting, maintaining, automating, and enhancing large-scale Hadoop and cloud-based ecosystems and contributing to software development initiatives. This Sr. Software Engineer role is for an individual with excellent software engineering with hands-on development experience and a strong foundation in computer science, full-stack development and AI/ML technologies. This role involves software initiatives, leveraging modern programming languages, cloud platforms, APIs and Generative AI to deliver scalable, high-quality business solutions. 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. Managing 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. Excellent interpersonal, verbal, and written communication skills. Visa requires at least 3 days in office, expectations of these days will be confirmed by your Hiring Manager. Qualifications Basic Qualifications: - Bachelor's degree, 3+ years of relevant work experience 2+ year of experience with Big Data technologies (Hadoop, Spark) is required. Expertise in one or more programming languages Python or Java required. Preferred Qualifications: - 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 cloud migration from on-prem to cloud would be strong plus Experience with AWS operational tooling (e.g.,CloudWatch/CloudTrail/SNS) and automation (e.g., CloudFormation) is a plus. Solid foundation in computer science fundamentals and data structures Proficiency in programming languages such as 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) Visa is an EEO Employer Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status. Visa will also consider for employment qualified applicants with criminal histories in a manner consistent with EEOC guidelines and applicable local law.