Senior Software Engineer

Fraud Deflect; Teletrabalho; BRL 160.000 - 200.000; Tempo integral

Resumo da oferta

A leading fintech company in Brazil is seeking a Senior Software Engineer who will own critical services and mentor engineering teams. The role involves shipping Python-based APIs, automating payment workflows, and managing reliable data pipelines on AWS and Kubernetes. Ideal candidates will have significant experience in Python, REST API design, and fintech domain expertise, as well as familiarity with Terraform and observability standards. Strong SQL skills are also required for data modeling.

Qualificações

• Expert in Python (3.12+) with knowledge of typing, async/multiprocessing.
• Proven experience in REST API design and operations at scale.
• Experience with payments and dispute management.

Responsabilidades

• Lead projects and mentor junior engineers.
• Build and operate REST APIs in Python.
• Automate operational workflows and integrate device intelligence.

Conhecimentos

Python expertise

REST API design

Payments/fintech experience

AWS

Docker

Kubernetes

GitHub Actions

Terraform

Strong SQL skills

Ferramentas

SQLAlchemy

ClickHouse

S3

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.