Senior Software Engineer

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

Resumo da oferta

A fintech company is seeking a Senior Software Engineer in Tubarão, Brazil. You will lead critical projects, mentor engineers, and design API-first Python systems on AWS and Kubernetes. Candidates should have strong expertise in Python, REST API development, and cloud technologies like Docker and Terraform. Experience in payments and fintech systems is preferred, along with a solid understanding of SQL and automation practices. This role offers an opportunity to work in a dynamic environment.

Qualificações

• Expert in Python (3.12+) with knowledge of typing, async, and profiling.
• Experience in designing and operating REST APIs at scale.
• Knowledge of payments and fintech systems involving disputes and chargebacks.

Responsabilidades

• Lead projects and mentor junior engineers.
• Build and operate REST APIs in Python.
• Automate operations related to financial reconciliations.

Conhecimentos

Python expert

REST API design

Payments / fintech experience

AWS

Docker

Kubernetes

Terraform

Strong SQL

Ferramentas

MySQL

Postgres

ClickHouse

GitHub Actions

Kafka

Airflow

FastAPI

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.