Staff Software Engineer (Android / iOS)

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. At Visa you’ll have the opportunity to create impact at scale—tackling meaningful challenges, growing your skills and seeing your contributions affect lives worldwide.

Job Summary

Software Development Engineers are expert problem‑solvers and builders who design, implement, and improve software applications and systems. In this role, engineers spend approximately 60‑75% of their time coding, working hands‑on with code, data, and modern tools—including AI‑assisted development, cloud services, automation frameworks, and mobile technologies—to deliver secure, scalable, and high‑quality solutions that drive business outcomes in the fintech sector. This position focuses on developing innovative mobile applications, SDKs, and platform capabilities that enable secure authentication, digital identity, payment security, fraud prevention, and customer‑engagement experiences across Android and iOS platforms. Engineers collaborate with product managers, architects, designers, QA engineers, operations teams, and compliance partners to deliver resilient, secure, and scalable mobile solutions used by millions of consumers worldwide.

Key Responsibilities

• Collaborate with stakeholders to determine requirements for product components and incorporate feedback into future designs and solutions.
• Translate functional requirements into system designs and communicate component interactions, ensuring alignment with business objectives and timelines.
• Design and develop product components, refine implementation plans, and participate in design reviews to ensure completeness and adherence to requirements.
• Contribute to project estimation, delivery planning, and risk identification.
• Lead by example in creating, implementing, and maintaining extensible, reusable, and maintainable code.
• Apply debugging, monitoring, and observability tools to resolve complex technical issues and identify opportunities for automation.
• Lead code reviews and drive adherence to coding standards, security requirements, and engineering best practices.
• Develop comprehensive testing strategies, identify coverage gaps, and proactively address defects to minimize customer impact.
• Leverage operational metrics, analytics, and monitoring data to improve product reliability and performance.
• Participate in on‑call rotations and assist with incident response, troubleshooting, and production support activities.
• Continuously learn emerging technologies and contribute innovative solutions that improve products, development processes, and engineering practices.
• Design, develop, test, deploy, and support native Android and/or iOS applications; build scalable, secure, resilient, and high‑performing mobile experiences.
• Collaborate closely with backend, platform, product, and security teams to deliver customer‑focused solutions and drive architecture decisions across mobile platforms.
• Optimize performance, responsiveness, memory utilization, and battery efficiency; support production troubleshooting and continuous service improvement initiatives.
• Design, develop, and maintain scalable, secure, and high‑performing mobile SDKs, APIs, and reusable frameworks; create technical documentation, sample apps, and integration guides.
• Implement modern mobile DevOps practices by designing and maintaining automated CI/CD pipelines that streamline development, testing, security validation, deployment, and release management.
• Own the end‑to‑end mobile release lifecycle, including SDK versioning, backward compatibility, code signing, app‑store deployments, rollout strategies, and production support.
• Drive continuous improvement in engineering productivity, developer experience, platform reliability, and customer integration success through automation, tooling, and operational excellence.

Qualifications

• 5+ years of relevant work experience with a Bachelor’s degree (or 2 years with an advanced degree, or 0 years with a PhD) or 8+ years of relevant experience.
• Experience in software engineering or a directly related field.
• Experience developing and supporting native mobile applications on Android and/or iOS platforms.
• Experience leading technical initiatives, mentoring engineers, and driving engineering best practices.
• Experience designing, building, and maintaining scalable software solutions and services.
• Experience creating and maintaining test strategies, test plans, and quality‑assurance processes.
• Experience debugging, troubleshooting, and resolving complex software issues in production environments.
• Experience conducting code reviews and enforcing coding standards, security requirements, and software‑engineering best practices.
• Experience building, enhancing, or supporting developer tools, automation capabilities, and engineering productivity initiatives.
• Experience building and maintaining mobile SDKs, reusable libraries, and developer‑facing APIs.
• Experience implementing mobile CI/CD pipelines, deployment automation, release engineering, and mobile DevOps practices.
• Familiarity with mobile deployment and delivery tools such as GitHub Actions, Jenkins, Azure DevOps, Fastlane, Bitrise, CocoaPods, Swift Package