Staff SW Engineer

Job Description Visas Technology Organization is a community of problem solvers and innovators reshaping the future of commerce. We operate the worlds most sophisticated processing networks capable of handling more than 65k secure transactions a second across 80M merchants, 15k Financial Institutions, and billions of everyday people.While working with us youll get to work on complex distributed systems and solve massive scale problems centered on new payment flows, business and data solutions, cyber security, and B2C platforms. The Opportunity: We are looking for Versatile, curious, and energetic Software Engineers who embrace solving complex challenges on a global scale.As a Visa Software Engineer, you will be an integral part of a multi-functional development team inventing, designing, building, and testing software products that reach a truly global customer base. While building components of powerful payment technology, you will get to see your efforts shaping the digital future of monetary transactions. The Work itself: Design code and systems that touch 40% of the world population while influencing Visas internal standards for scalability, security, and reusability Collaborate multi-functionally to create design artifacts and develop best-in-class software solutions for multiple Visa technical offerings Actively contribute to product quality improvements, valuable service technology, and new business flows in diverse agile squads Develop robust and scalable products intended for a myriad of customers including end-user merchants, b2b, and business to government solutions. Leverage innovative technologies to build the next generation of Payment Services, Transaction Platforms, Real-Time Payments, and Buy Now Pay Later Technology Opportunities to make a difference on a global or local scale through mentorship and continued learning opportunities Essential Functions: Demonstrates relevant technical working knowledge to understand requirements. Identifies and contributes to the development and solution strategies to team members that improve the design and functionality of interface features across one or more project features, under minimal guidance. Applies standard processes on the use of programming languages (e.g. HTML, C++, Java) to write code that fulfills website modification requests and technical requirements. Collaborates with others to support the piloting of new technology capabilities and features that enhance the user website experience across e-commerce products. Analyzes bugs for simple issues and applies debugging tools to verify assumptions. This is a hybrid position. Expectation of days in office will be confirmed by your hiring manager. Qualifications Education Experience: 7.5+ yearsof relevant software engineering experience Bachelor''s or Master''s degreein Computer Science, Software Engineering, Distributed Systems, or related field Core Technical Skills Java Distributed Systems Expertise: Extensive technical experience withJAVA, Spring, Hibernate Advanced Java developmentincluding concurrency, multithreading, and performance optimization Deep understanding ofdistributed system architectures(microservices, event-driven, service mesh) Experience withdistributed consensus algorithms(Raft, Paxos) and coordination services (Zookeeper, etcd) Proficiency indistributed data managementpatterns (CQRS, Event Sourcing, Saga patterns) Strong knowledge ofdistributed caching(Redis, Hazelcast, Memcached) Experience withmessage queues and streaming platforms(Kafka, RabbitMQ, Pulsar) Understanding ofCAP theorem, eventual consistency, and distributed transaction management Experience buildinghighly available, fault-tolerant systemswith disaster recovery capabilities Knowledge ofservice discovery, load balancing, and circuit breaker patterns Proficiency in code development usingEclipse/MyEclipse, JetBrains IntelliJor any major Java IDE Strong experience withGIT/Stash, Maven, and Jenkins API Integration: Extensive experience inAPI Developmentusing SOAP or REST, JSON and XML Deep knowledge of API standards includingOAuth, SAML Experience withGraphQL, gRPC, and modern API gateway patterns Understanding ofAPI versioning, rate limiting, and distributed API management Experience buildingasync/reactive APIsusing Spring WebFlux or similar frameworks Data Infrastructure: Experience withSQL datastores(Postgress/MySQL) andUnix/Linux platforms Understanding ofdatabase sharding, replication, and distributed database systems Knowledge ofdata consistency patternsacross distributed datastores Working knowledge ofstreaming platforms like Kafkafor real-time data processing AI-First Engineering Skills: Experience integratingAI/ML modelsinto distributed production systems (TensorFlow, PyTorch, Scikit-learn) Hands-on experience withLLM integrationand serving at scale (OpenAI API, Azure OpenAI, Claude, Llama, etc.) Proficiency inAI-assisted developmenttools (GitHub Copilot, Cursor, Cline, or similar) Distributed Systems Design: Experience designingscalable microservices architectureshandling millions of transactions Knowledge ofdistributed system monitoringand observability (Prometheus, Grafana, ELK stack) Understanding ofcontainer orchestrationin distributed environments Professional Capabilities Ability to writeclean, coherent codefollowing established coding guidelines Strong interpersonal and effective communication skills(both written and verbal) Highly driven, resourceful, and results-oriented The Skills You Bring: Energy and Experience: A growth mindset that is curious and passionate about technologies and enjoys challenging projects on a global scale Challenge the Status Quo: Comfort in pushing the boundaries, hacking beyond traditional solutions Language Expertise: Expertise in one or more general development languages (e.g., Java, C#, C++) Builder: Experience building and deploying modern services and web applications with quality and scalability Learner: Constant drive to learn new technologies such as Angular, React, Kubernetes, Docker, etc. Partnership: Experience collaborating with Product, Test, Dev-ops, and Agile/Scrum teams