Senior Software Engineer

Fraud Deflect; Blumenau; Presencial; BRL 160.000 - 200.000; Tempo integral

Resumo da oferta

A leading fintech company in Brazil is seeking a Senior Software Engineer to own critical services, mentor engineers, and ship API-first Python systems. The role involves designing and automating workflows, managing data pipelines on AWS and Kubernetes, and working with Terraform. The ideal candidate has deep expertise in Python, REST API design, payments, and cloud infrastructure. This position offers the opportunity to lead projects while collaborating with various teams to drive performance and security enhancements.

Qualificações

• In-depth knowledge of Python, including typing, async, and profiling.
• Experience in REST API operations at scale.
• Familiarity with payments, chargebacks, and reconciliation.

Responsabilidades

• Lead projects and mentor junior engineers.
• Build and operate REST APIs in Python.
• Design ETL/ELT processes for data management.
• Run services on AWS using Docker and Kubernetes.
• Define infrastructure using Terraform and ensure observability.

Conhecimentos

Python expert (3.12+ preferred)

Proven REST API design

Payments / fintech knowledge

AWS, Docker, Kubernetes

Strong SQL skills

Ferramentas

Docker

Kubernetes

Terraform

Descrição da oferta de emprego

Company: Fraud Deflect

Role: Senior Software Engineer

Language: Native / fluent English. Resumes in English.

About the role

Own critical services, mentor engineers, and interface with clients. Ship API-first Python systems, automate dispute / chargeback workflows, and run reliable data pipelines on AWS and Kubernetes with Terraform-managed infra.

Responsibilities

• Lead projects, designs, and reviews; mentor junior / mid engineers.
• Build and operate REST APIs in Python (versioning, idempotency, auth / OIDC, webhooks).
• Automate ops: evidence assembly, reconciliations, SLA timers, notifications, approvals.
• Design ETL / ELT (batch / streaming), data contracts, schema evolution, backpressure.
• Model data with SQLAlchemy on MySQL / Postgres; use ClickHouse and S3 / Parquet.
• Run services on AWS with Docker + Kubernetes (Helm / Kustomize, GitOps optional).
• Define infrastructure with Terraform (modules, state, policy checks).
• Add observability (logs / metrics / traces), CI / CD with GitHub Actions, safe rollouts.
• Collaborate with teams on API contracts, performance, and security.
• Integrate device intelligence and bot-mitigation with privacy controls.

Required

• Python expert (3.12+ preferred) : typing / mypy, async / multiprocessing, testing, profiling.
• Proven REST API design and operations at scale.
• Payments / fintech: disputes / chargebacks, reconciliation, integrations.
• Orchestration / workflows and event-driven patterns; human-in-the-loop.
• AWS, Docker, Kubernetes in production; GitHub Actions; observability.
• Terraform in production (modules, remote state, policy as code).
• Strong SQL; SQLAlchemy; columnar DBs (e.g., MySQL, ClickHouse).
• Systems basics: networking / concurrency, performance.

Nice to have

• Kafka / Kinesis / SQS, Airflow / Prefect / Dagster, PCI / SOC 2, and FastAPI / Flask.

How to apply

Send an English resume and links to APIs / code / docs showing Python, Terraform / Kubernetes, Angular, automation, and payments / chargebacks work.