Sr. SW Engineer, Authorizations

PowerToFly; Remote; EUR 60.000 - 80.000; Vollzeit

Zusammenfassung

A leading remote technology firm is looking for a skilled Software Engineer to design and maintain scalable systems for banking and payment services. Ideal candidates should have 3+ years of experience with Java and AWS, proficiency in RESTful APIs, and a strong understanding of microservices. This is a remote position that offers flexibility, and candidates must be based in Brazil. Join us to engage in mentoring and continuous improvement initiatives within a collaborative environment.

Qualifikationen

• 3+ years of experience with Java/Groovy.
• Experience with AWS services.
• Solid understanding of distributed systems and microservices.
• Strong testing mindset with experience in unit and integration testing.
• Familiarity with CI/CD pipelines and Docker/Containers.

Aufgaben

• Design, develop, and maintain scalable systems for banking and payment services.
• Develop RESTful APIs and reusable components.
• Collaborate with Product, QA, and DevOps teams.
• Engage in mentoring and continuous learning.

Kenntnisse

Java

Groovy

AWS (SQS, SNS, DynamoDB, S3, EventBridge)

Microservices

REST APIs

Git

SQL (MySQL, PostgreSQL)

NoSQL (DynamoDB, MongoDB)

CI/CD

Docker

Terraform

Ausbildung

Bachelor's degree or 5+ years of experience

Jobbeschreibung

Summary

The Authorizations squad is responsible for processing and validating financial transactions in real time, ensuring that all operations comply with the authorization rules defined by issuers and clients. We operate directly within the critical payment authorization layer, dealing with complex business logic, high availability, and performance. The team leverages modern technologies and distributed architecture to ensure transactions are secure, fast, and reliable.

What you'll do

• Design, develop, and maintain scalable and resilient systems focused on banking and payment services.
• Build and evolve orchestration layers integrating internal and external services.
• Develop RESTful APIs and reusable components in a microservices-based architecture.
• Collaborate cross-functionally with Product, QA, and DevOps teams to deliver impactful solutions.
• Write unit and integration tests to ensure code quality and system reliability.
• Work with modern engineering best practices, prioritizing security, performance, and scalability.
• Contribute to technical design and architecture decisions within the squad.
• Operate in a highly documented environment, with clear and transparent communication.
• Engage in mentoring, continuous learning, and technical improvement initiatives.

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.#LI-Remote

Qualifications

• For this role, you must be based in Brazil

Language Skills

• Proficiency in English at B2 level or above (Upper-Intermediate)

Technical Skills

• 3+ years of experience with Java / Groovy.
• Experience with AWS services: SQS, SNS, DynamoDB, S3, and EventBridge.
• Solid understanding of distributed systems and microservices.
• Experience with REST APIs.
• Proficiency with Git and version control workflows.
• Strong testing mindset with experience in unit and integration testing.
• Knowledge of SQL (MySQL or PostgreSQL) and NoSQL databases (DynamoDB, MongoDB).
• Experience working in high-scale and high-availability environments.
• Familiarity with CI/CD pipelines and Docker/Containers.
• Knowledge of messaging systems and event-driven architectures.
• Understanding of observability practices (monitoring, tracing, alerting).
• Background in Agile methodologies and production support.
• Hands‑on experience with Terraform or other IaC tools.

Basic Qualifications

2+ years of relevant work experience and a Bachelors degree or 5+ years of relevant work experience.

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.