Senior Backend Engineer
New
J
JobgetherFintech
BrazilFull-TimeSenior
Salary not disclosed
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Job Details
- Languages
- Fluent Portuguese and advanced English (C1)
- Experience
- 4+ years
- Required Skills
- AWSBackend DevelopmentPostgreSQLJavaKotlinRESTful APIs
Requirements
- 4+ years of professional backend engineering experience, with a demonstrated history of owning meaningful technical projects and delivering production-grade solutions.
- Strong professional experience with Kotlin and/or Java.
- Solid knowledge of AWS, PostgreSQL, and ECS.
- Experience building and operating consumer-facing systems handling real-world transaction volumes.
- Strong understanding of backend engineering principles, including reliability, scalability, performance, security, and maintainability.
- Experience working with APIs, integrations, and transaction-sensitive systems where correctness and uptime are critical.
- Ability to collaborate closely with product, credit, compliance, analytics, and other multidisciplinary teams.
- Fluent Portuguese and advanced English (C1), with confidence communicating both verbally and in writing in an international environment.
- Comfortable using AI-powered development tools, such as Claude or similar solutions, as a genuine productivity and engineering capability.
- Strong ownership mindset, with the ability to make thoughtful technical decisions and follow work through to production.
- Excellent communication and collaboration skills, with a willingness to share knowledge and contribute to the development of other engineers.
- Fintech, lending, payments, or experience working in regulated environments is a strong advantage.
Responsibilities
- Build, maintain, and scale backend systems supporting salary advance, FGTS, and payroll-linked lending products, with a strong focus on reliability, correctness, and scalability.
- Design, develop, and continuously improve APIs that enable fast, secure, and seamless consumer-facing financial experiences.
- Develop and maintain integrations with payroll-linked, FGTS, and other financial systems where availability, accuracy, and resilience are critical.
- Take end-to-end ownership of backend initiatives, contributing from problem definition and technical design through implementation, deployment, monitoring, and continuous improvement.
- Collaborate directly with product, credit, compliance, analytics, and other stakeholders to shape solutions and ensure technical decisions address business and customer needs.
- Contribute to code reviews, architectural and technical discussions, engineering standards, and best practices around software quality, security, and operational excellence.
- Monitor and troubleshoot production systems, proactively identifying reliability issues and implementing effective solutions.
- Support the development of junior engineers through knowledge sharing, technical guidance, constructive feedback, and collaborative problem-solving.
- Apply AI-powered development tools as part of the engineering workflow to improve productivity, development quality, and problem-solving efficiency.
- Contribute to a culture of ownership, continuous learning, high standards, and shared responsibility for technical outcomes.
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