Senior Software Engineer, Backend (Payments)

New

SwileFintech payments

Listing location: Brasil; Workplace type: RemoteFull-TimeSenior

Salary not disclosed

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Job Details

Languages: Fluent/Advanced English proficiency (C1-C2 Level).
Experience: Significant experience building and operating backend systems in production.
Required Skills: KafkaRabbitmqRubyDistributed Systems

Significant experience building and operating backend systems in production.
Strong understanding of software design, distributed systems, and scalable architectures.
Experience with relational and non-relational databases.
Experience with messaging and event-driven systems such as Kafka, RabbitMQ, or similar technologies.
Ability to work autonomously and take ownership of complex problems from discovery to delivery.
Strong analytical and problem-solving skills.
Product mindset and ability to understand business context when making technical decisions.
Clear communication skills and ability to collaborate in a global environment.
Fluent or advanced English proficiency (C1-C2 level).
Nice to have: experience in fintech, payments, banking, or other regulated industries.
Nice to have: experience with compliance, KYC, or financial reporting systems.

Design, build, test, deploy, and monitor backend services in production environments.
Contribute to the evolution of a large-scale payments platform supporting millions of users.
Evolve and maintain core services in Ruby-based backend systems.
Collaborate with Product, Engineering, and cross-functional stakeholders to solve business problems.
Translate product requirements into pragmatic, scalable technical solutions.
Drive architectural discussions and contribute to technical decision-making.
Improve system reliability, observability, performance, and security.
Lead projects end-to-end and participate in code reviews.
Mentor engineers and promote engineering best practices.

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