Senior Software Engineer, Seller Management

Founded by experienced entrepreneurs and engineers in 2016, Pismo is a technology company that provides a comprehensive processing platform for banking, card issuing and financial market infrastructure and helps customers innovate and build the next generation of banking and payment solutions. Pismo joined Visa in 2024.

Leveraging Visa’s solutions, our core platform, and an expanding suite of capabilities, Pismo addresses the technological challenges that large banks, marketplaces, and fintech companies face in migrating from legacy systems to more advanced technology in the market. Pismo’s cloud-based platform empowers firms to build and launch financial products rapidly, scaling as they grow to have a broader audience while keeping high security and availability standards.

Pismo’s 500+ employees are located in more than 10 countries around the world.

Job Description

The Seller Management team is responsible for building and evolving the core platform that enables sellers to be onboarded, configured, and operated at scale across complex financial ecosystems. Our systems sit at the heart of critical business flows, ensuring data consistency, correctness, and reliability from onboarding through transaction processing and lifecycle management.

We work with high‑volume, mission‑critical financial data, integrating multiple domains such as transactions, settlements, accounting rules, and operational workflows. The team designs and maintains distributed, event‑driven systems that must scale reliably while meeting strict quality, security, and observability standards.

As part of the Seller Management team, you will collaborate with product, SRE, and other engineering teams to solve challenging technical problems, influence architectural decisions, and continuously improve a platform that directly impacts large‑scale clients and business operations.

What you will do:

As a Senior Software Engineer, you will play a key role in designing and evolving the core backend systems that power our Seller Management platform, handling large volumes of mission‑critical financial data with high standards of reliability, scalability, and correctness.

• Design, develop, and maintain backend services using Golang, following established architecture principles and engineering best practices.
• Build and evolve event‑driven, scalable, and resilient systems that support complex financial and accounting workflows.
• Deliver new features, improvements, and bug fixes based on clearly defined functional and non‑functional requirements, balancing quality, performance, and time‑to‑market.
• Actively participate in technical discussions, architecture decisions, and solution design, contributing your experience alongside other senior engineers.
• Write clean, maintainable, and well‑tested code, applying sound software design principles and a strong quality mindset.
• Collaborate on the provisioning and evolution of AWS infrastructure using Terraform, ensuring infrastructure is reliable, secure, and scalable.
• Monitor and operate services in production using logs, metrics, and observability tools, proactively identifying and addressing reliability and performance issues.
• Participate in code reviews, providing constructive feedback and helping raise the overall engineering bar.
• Contribute to technical documentation, knowledge sharing, and continuous improvement initiatives across the team.
• Work closely with Product Managers, QA, SRE, and other engineering teams in an Agile environment to deliver end‑to‑end solutions.

Why Join us:

• Work on complex financial systems used by large‑scale clients and high‑volume platforms.
• Tackle challenging technical problems involving accounting rules, scalability, consistency, and data integrity.
• Collaborate with experienced and highly skilled engineers in a technically rich and impactful domain.
• Have real influence on architecture decisions and system evolution in a critical business area.

​ This is a remote position. A remote position does not require job duties be performed within proximity of a Visa office location. Remote positions may be required to be present at a Visa office with scheduled notice.

Qualifications

Basic Qualifications:

• 3+ years of relevant work experience and a Bachelors degree, OR 5+ years of relevant work experience

Preferred Qualifications:

• 5+ years of relevant professional experience in software engineering.
• Strong hands‑on experience with Java or Golang, including at least 6 months of practical experience with Golang.
• Solid experience with relational databases and SQL.
• Proven experience with microservices architectures, distributed systems, and cloud‑native concepts.
• Experience developing and operating systems in AWS environments.
• Familiarity with CI/CD pipelines, automated testing, and production deployments.
• Experience building or maintaining high‑throughput, large‑scale, mission‑critical systems.
• Good understanding of SRE/DevOps principles, including reliability, observability, quality, and security concerns.
• Experience working with Agile methodologies such as Scrum or Kanban.
• This role requires candidates to be based in Brazil.
• English proficiency at B2 level (Upper‑Intermediate) or higher, with ability to participate in technical discussions.

Additional Information

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.