Sr. SW Engineer, Operations UI

📍 Job Overview

Job Title: Sr. SW Engineer, Operations UI

Company: Visa (Pismo)

Location: São Paulo, State of São Paulo, Brazil

Job Type: Full-time

Category: Revenue Operations / Sales Operations / GTM (Backend Engineering supporting Operations)

Date Posted: 2025-10-30

Experience Level: Mid-Senior Level (3+ years backend experience)

Remote Status: Remote OK (with occasional office presence required)

🚀 Role Summary

• Design and implement robust backend services underpinning the Control-Center platform, enabling critical daily operations for financial services customers.

• Leverage cloud-native technologies and best practices within a global, fast-paced fintech environment to support transaction, balance, and card management workflows.

• Collaborate closely with cross-functional teams, including frontend engineers and product managers, to translate complex business and technical requirements into scalable and secure backend solutions.

• Contribute significantly to system design, architecture discussions, and documentation, ensuring alignment with product goals and non-functional requirements.

📝 Enhancement Note: While the title specifies "Sr. SW Engineer, Operations UI," the core responsibilities and required skills point to a strong backend engineering focus with a direct impact on operational workflows. This role is crucial for enabling the "Control-Center" platform, which suggests a significant contribution to the operational efficiency and scalability of Visa's financial products. The "UI" in the title likely refers to the user interface that operations teams interact with, but the development work is primarily backend-focused.

📈 Primary Responsibilities

• Design, develop, and deploy scalable backend microservices that integrate with internal APIs to power operational features within the Control-Center platform.

• Translate detailed business and technical requirements into robust, secure, and performant backend solutions, ensuring seamless integration with existing systems.

• Collaborate effectively with frontend engineers, product managers, and platform architects to deliver end-to-end, high-quality operational features and workflows.

• Actively participate in system design and architecture discussions, contributing to technical documentation, and ensuring alignment with both functional and non-functional requirements (scalability, reliability, security).

• Apply secure coding practices, performance optimization techniques, and robust testing methodologies to ensure the stability and efficiency of the Control-Center platform.

• Mentor and guide junior backend engineers, fostering knowledge sharing and promoting adherence to engineering best practices.

• Participate in code reviews, contributing to the continuous improvement of engineering standards, code quality, and development processes.

• Proactively identify technical gaps and propose scalable solutions that enhance the capabilities and efficiency of operational workflows.

📝 Enhancement Note: The responsibilities emphasize a blend of deep technical contribution (design, implementation, optimization) and collaborative leadership (mentoring, design reviews). The focus on "Control-Center platform" and managing "transactions, balances, and cards" clearly places this role within an operational enablement context, critical for GTM and customer success functions.

🎓 Skills & Qualifications

Education:

Experience:

• Minimum of 3 years of professional experience in backend development, with a strong preference for cloud-native environments.

• Demonstrated experience in interpreting technical requirements and translating them into effective system designs.

• Proven ability to apply secure coding practices and performance optimization techniques in production systems.

Required Skills:

• Proficiency in at least one backend programming language, with a strong emphasis on Golang.

• Expertise in designing and implementing RESTful APIs.

• Exposure to and understanding of GraphQL principles and usage.

• Hands-on experience with AWS or other major cloud platforms (GCP, Azure).

• Solid understanding of secure coding practices and their application in a production environment.

• Proficiency in performance optimization techniques for backend services.

• Experience in system design and contributing to architectural discussions.

• Strong collaboration skills and ability to work effectively across engineering and product teams.

• Comfortable mentoring junior engineers and providing technical guidance.

• Familiarity with non-functional requirements such as scalability, reliability, and security.

• English Language Proficiency: Level B2 or above, essential for global team communication.

Preferred Skills:

• Experience with frontend technologies such as React and Typescript, enabling a full-stack development perspective.

• Proven experience designing and working within microservices architectures.

• Familiarity with CI/CD pipelines for automated deployment and testing.

• Experience with containerization tools like Docker.

• Exposure to telemetry, monitoring, and observability tools for system health and performance analysis.

• Ability to lead design reviews and contribute significantly to high-level architectural discussions.

📝 Enhancement Note: The emphasis on Golang, cloud-native environments (AWS), and microservices, coupled with the need to support operational workflows, suggests a role critical to modernizing financial operations. The "UI" aspect, though backend-focused, implies a need for understanding how backend services directly impact user experience for operations teams.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Demonstrate successful design and implementation of backend services, particularly those supporting complex workflows or integrations, showcasing proficiency in Golang and RESTful APIs.

• Provide examples of backend solutions that have been optimized for performance, scalability, and security, ideally within a cloud-native (AWS) environment.

• Illustrate contributions to system design and architecture, including any documentation or diagrams that highlight your thought process and technical decision-making.

Process Documentation:

• Evidence of contributing to or creating technical design documentation for backend services, including API specifications and architectural diagrams.

• Examples of how you have documented or improved engineering processes, such as code review guidelines, testing strategies, or deployment procedures.

• Demonstrate an understanding of how backend services contribute to overall system reliability and performance monitoring, potentially through examples related to telemetry or observability.

📝 Enhancement Note: For a backend engineering role supporting operations, a portfolio should highlight not just code but the impact of that code on system performance, scalability, and the ability of operational teams to perform their duties efficiently. This means focusing on case studies of complex feature development, performance improvements, or secure API integrations.

💵 Compensation & Benefits

Salary Range:

Benefits:

• Comprehensive health and dental insurance plans.

• Life insurance coverage.

• Retirement savings plan (e.g., private pension fund).

• Paid time off (vacation, holidays, sick leave) in accordance with Brazilian labor laws and company policy.

• Potential for performance-based bonuses.

• Opportunities for professional development, training, and certifications.

Working Hours:

• Standard full-time work week, typically 40 hours. While the role is remote, core working hours will likely align with Brazilian business hours (America/Sao_Paulo timezone) to facilitate collaboration with local teams, with flexibility offered as per company policy. Occasional presence at a Visa office may be required with advance notice.

📝 Enhancement Note: Salary estimation is based on a combination of senior backend engineering roles in Brazil, specifically in São Paulo, considering the demand for Golang and AWS expertise within the fintech sector. Benefits are standard for multinational tech companies operating in Brazil.

🎯 Team & Company Context

🏢 Company Culture

Industry: Financial Technology (Fintech), Payments Processing. Pismo, now part of Visa, operates in a highly regulated and innovative sector focused on modernizing banking and payment solutions.

Company Size: Pismo has over 500 employees located in more than 10 countries. Visa is a global giant with tens of thousands of employees. This role sits within the Pismo division, now integrated with Visa's broader fintech strategy.

Founded: Pismo was founded in 2016. Visa was founded in 1958. This role benefits from the agility and innovation of a fintech startup (Pismo) backed by the stability and global reach of a major corporation (Visa).

Team Structure:

• The "Operations UI" team is part of the broader Control-Center platform development group. This team likely comprises backend engineers, frontend engineers, product managers, and possibly QA engineers.

• Reporting structure will likely be to an Engineering Manager or Lead for the Control-Center platform, with close collaboration with Product Management.

Methodology:

• Data Analysis & Insights: While not a data analysis role, engineers are expected to use data from monitoring and logging tools to diagnose issues and optimize performance.

• Workflow Planning & Optimization: Backend services are designed to streamline and automate operational workflows for clients, requiring a deep understanding of process flow.

• Automation & Efficiency: The core mission is to build efficient, scalable systems that reduce manual effort for operations teams.

Company Website: https://www.visa.com/ and https://pismo.io/ (though Pismo's site may be updated to reflect Visa integration).

📝 Enhancement Note: The combination of Pismo's fintech innovation and Visa's global scale creates a unique environment. Operations teams within this context are focused on enabling complex financial transactions and customer management, requiring high reliability and security.

📈 Career & Growth Analysis

Operations Career Level: This is a Senior Software Engineer role, indicating a level of autonomy, technical leadership, and the ability to mentor. It sits above a standard Software Engineer and below an Architect or Principal Engineer. The focus on supporting operational systems means the impact is directly tied to the efficiency and effectiveness of GTM and customer success functions.

Reporting Structure: Typically reports to an Engineering Manager or Technical Lead who oversees a specific product area or platform component like the Control-Center. Close collaboration with Product Managers is expected.

Operations Impact: The backend services developed directly enable customers (banks, fintechs) to perform critical daily operations. This means the engineer's work has a tangible impact on customer satisfaction, operational efficiency, and potentially revenue enablement by ensuring smooth transaction processing and account management.

Growth Opportunities:

• Technical Specialization: Deepen expertise in Golang, AWS, microservices architecture, and distributed systems.

• Leadership Development: Grow into a Tech Lead role, taking ownership of feature areas, leading design reviews, and mentoring a larger team.

• Cross-Functional Exposure: Gain experience working with various teams across Visa/Pismo, understanding different aspects of the financial technology ecosystem.

• Architectural Influence: Progress towards contributing to higher-level architectural decisions for the Control-Center platform or related services.

• Full-Stack Development: Opportunities to expand skills into frontend technologies if desired.

📝 Enhancement Note: The role offers a clear path for career advancement within a technically demanding and strategically important area of Visa's operations. The combination of backend expertise and operational focus is highly valuable in the fintech space.

🌐 Work Environment

Office Type: The role is advertised as "Remote OK" and mentions that "A remote position does not require job duties be performed within proximity of a Visa office location." However, it also states, "Remote positions may be required to be present at a Visa office with scheduled notice." This suggests a flexible remote-first approach with potential for occasional in-person meetings or strategic gatherings.

Office Location(s): The primary listed location is São Paulo, State of São Paulo, Brazil. Visa has offices globally, and while this role is remote, understanding the presence of offices in Brazil might be relevant for occasional visits.

Workspace Context:

• Collaborative Environment: Expect a highly collaborative, fast-paced environment where communication and teamwork are paramount, facilitated through digital tools.

• Operations Tools & Technology: Access to a modern tech stack, including cloud infrastructure (AWS), development tools, and communication platforms.

• Team Interaction: Regular interaction with a global team of engineers, product managers, and potentially operations specialists.

Work Schedule: While remote, adherence to core business hours in the São Paulo timezone (America/Sao_Paulo) is likely expected for effective team synchronization and collaboration. The role requires dedication to ensuring the operational systems are reliable and available, which may occasionally necessitate flexibility.

📝 Enhancement Note: The "remote with occasional office presence" model is common for senior roles, allowing for flexibility while maintaining team cohesion and strategic alignment through periodic in-person interactions.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A recruiter or hiring manager will review your application and potentially conduct a brief phone screen to assess initial fit, experience, and motivation.

• Technical Assessment (Coding Challenge): Expect a coding challenge, likely focused on Golang, data structures, algorithms, and potentially API design or problem-solving scenarios relevant to backend development. This might be a take-home assignment or a live coding session.

• Technical Interviews: Multiple interviews with senior engineers and/or the hiring manager. These will delve into your experience with Golang, AWS, microservices, system design, API development, and secure coding practices. Be prepared to discuss your past projects in detail.

• System Design Interview: A dedicated session to assess your ability to design scalable, reliable, and secure backend systems, often involving whiteboarding or collaborative diagramming tools. Focus on how your designs meet operational requirements.

• Behavioral/Cultural Fit Interview: Questions assessing your ability to collaborate, mentor, handle challenges, and align with Visa/Pismo's values.

Portfolio Review Tips:

• Highlight Golang & AWS Expertise: Showcase projects where you've used Golang extensively and leveraged AWS services effectively.

• Focus on Impact: For each project, clearly articulate the problem you solved, your specific contributions, the technologies used, and the measurable impact (e.g., performance improvements, reduced latency, increased reliability, successful feature launch).

• System Design Examples: Include diagrams or descriptions of systems you've designed, emphasizing scalability, security, and maintainability.

• API Design: If possible, demonstrate examples of well-designed RESTful APIs or discuss your approach to API design principles.

• Operational Relevance: If you have projects that directly supported operational efficiency or backend systems for user-facing applications, emphasize these.

Challenge Preparation:

• Golang Fundamentals: Brush up on Golang syntax, concurrency primitives (goroutines, channels), standard library, and common patterns.

• AWS Services: Familiarize yourself with core AWS services relevant to backend development (e.g., EC2, Lambda, S3, RDS, API Gateway, IAM).

• System Design Principles: Review concepts like microservices, distributed systems, CAP theorem, caching strategies, load balancing, and database choices.

• API Design: Understand RESTful principles, HTTP methods, status codes, and common API patterns. Be ready to discuss GraphQL.

• Secure Coding: Review common vulnerabilities (e.g., OWASP Top 10) and mitigation strategies.

📝 Enhancement Note: The interview process is typical for a senior engineering role in a tech company, with a strong emphasis on hands-on technical skills, system design capabilities, and collaborative potential. A well-curated portfolio demonstrating impact is crucial.

🛠 Tools & Technology Stack

Primary Tools:

• Programming Language: Golang (primary), potentially Java, NodeJS for context.

• API Technologies: RESTful APIs, GraphQL.

• Cloud Platform: AWS (significant experience required); familiarity with GCP, Azure is a plus.

• Containerization: Docker (preferred).

• Version Control: Git.

Analytics & Reporting:

• Monitoring & Observability: Telemetry, monitoring, and observability tools (e.g., Prometheus, Grafana, Datadog, New Relic).

• Logging: Centralized logging solutions.

CRM & Automation:

• While not directly a CRM role, understanding how backend services support operational platforms that might interact with CRM data is beneficial.

• CI/CD: Experience with CI/CD pipelines for automated builds, testing, and deployments.

📝 Enhancement Note: The core technology stack emphasizes modern, cloud-native backend development practices, with Golang and AWS being central. Experience with microservices and CI/CD is expected for this level.

👥 Team Culture & Values

Operations Values:

• Innovation & Agility: Embracing new technologies and methodologies to build cutting-edge financial solutions.

• Security & Reliability: Upholding the highest standards to protect customer data and ensure system uptime.

• Collaboration & Partnership: Working effectively across teams and with clients to achieve shared goals.

• Customer Centricity: Building solutions that directly address the needs of financial institutions and their end-users.

• Continuous Improvement: A commitment to learning, adapting, and enhancing processes and systems.

Collaboration Style:

• Cross-Functional Integration: Engineers are expected to work closely with product, design, and other engineering teams to deliver cohesive solutions.

• Open Communication: A culture that encourages direct and honest feedback, active participation in discussions, and knowledge sharing.

• Data-Driven Decision Making: Utilizing metrics and insights from monitoring tools to inform technical decisions and problem-solving.

📝 Enhancement Note: The culture is likely a blend of Visa's established corporate values and Pismo's more agile, startup-like approach to fintech innovation, emphasizing customer impact and robust technical execution.

⚡ Challenges & Growth Opportunities

Challenges:

• Scalability & Performance: Ensuring backend services can handle increasing transaction volumes and user loads in a rapidly growing fintech environment.

• Integration Complexity: Seamlessly integrating new services with existing legacy systems and diverse internal APIs.

• Security Demands: Maintaining stringent security standards in a highly regulated financial services industry.

• Global Operations Support: Designing systems that can support global operations with varying regional requirements and compliance needs.

• Keeping Pace with Innovation: Continuously learning and adapting to new technologies and industry best practices in fintech.

Learning & Development Opportunities:

• Advanced Golang & Cloud Training: Opportunities to deepen expertise in Golang and specific AWS services through official training and certifications.

• Microservices & Distributed Systems: Gaining hands-on experience with complex distributed system design and implementation.

• Fintech Domain Knowledge: Expanding understanding of banking, card processing, and payment infrastructure.

• Leadership Skills: Developing mentoring, technical leadership, and architectural design skills.

• Industry Conferences & Workshops: Participation in relevant tech events and professional development programs.

📝 Enhancement Note: This role presents significant technical challenges inherent in building and scaling financial infrastructure, offering substantial opportunities for professional growth and skill development.

💡 Interview Preparation

Strategy Questions:

• System Design: "Design a system to manage real-time transaction alerts for a large user base." or "How would you design a scalable API gateway for a microservices architecture?" Be prepared to discuss trade-offs, fault tolerance, and scalability.

• Golang Proficiency: "Explain the difference between goroutines and threads." or "How do you handle error management in Golang?" Be ready to write and explain Golang code snippets.

• Problem Solving: "Given a scenario where operational users are reporting slow response times in the Control-Center, how would you diagnose and resolve the issue?" Focus on your methodical approach, use of tools, and communication.

Company & Culture Questions:

• Motivation: "Why are you interested in working for Visa/Pismo, and specifically on the Operations UI team?" Connect your career goals to the company's mission and the role's impact.

• Collaboration: "Describe a time you had to work with a difficult stakeholder or team member. How did you resolve it?" or "How do you ensure effective communication with frontend engineers when developing backend APIs?"

• Mentoring: "How have you mentored junior engineers in the past?" or "What is your approach to code reviews?"

Portfolio Presentation Strategy:

• Structure: Organize your portfolio by project or by skill. For each project, clearly outline the problem, your solution, the technologies used, and the quantifiable outcomes.

• Storytelling: Frame your experience as a narrative of problem-solving and impact. Use the STAR method (Situation, Task, Action, Result) when discussing specific achievements.

• Visual Aids: If possible, use diagrams, code snippets (if appropriate and permitted), and metrics to illustrate your points effectively.

• Focus on Operations Context: For this role, emphasize how your backend work directly enabled operational efficiency, reliability, or scalability for users or systems.

📝 Enhancement Note: Interview preparation should focus on demonstrating not just technical competence but also strategic thinking, problem-solving skills, and a collaborative mindset relevant to building and maintaining critical operational systems.

📌 Application Steps

To apply for this operations-focused backend engineering position:

• Submit your application through the provided link on SmartRecruiters.

• Tailor your resume: Highlight your experience with Golang, AWS, RESTful APIs, microservices, and any projects related to backend development for operational platforms or user interfaces. Quantify your achievements whenever possible.

• Prepare your portfolio: Curate examples of your backend projects, focusing on those that demonstrate system design, performance optimization, secure coding, and API development. Be ready to discuss the impact and technical details of your work.

• Practice coding challenges: Familiarize yourself with Golang coding exercises and common algorithm/data structure problems.

• Research Visa and Pismo: Understand their mission, values, and the products they offer, particularly in the fintech and payments space. Consider how your role contributes to their strategic objectives.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.

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