Senior Software Engineer

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

Resumo da oferta

A leading fintech company in Carapicuíba, São Paulo, Brazil is searching for a Senior Software Engineer. The position involves owning critical services and mentoring engineers while developing API-first systems utilizing Python, AWS, and Kubernetes. Candidates should have expertise in Python and experience with REST APIs, payments, and observability tools. This role offers the chance to work in a dynamic environment with opportunities for innovation and leadership.

Qualificações

• Expert in Python (3.12+ preferred) with strong typing and testing skills.
• Demonstrated experience in operating REST APIs at scale.
• Experience in payments and fintech related to disputes and chargebacks.

Responsabilidades

• Lead and mentor teams in software engineering projects.
• Build REST APIs and automate operations for payment systems.
• Design and operate data pipelines on AWS with Kubernetes.

Conhecimentos

Python expert

REST API design

Payments / fintech

AWS

Docker

Kubernetes

Strong SQL

Ferramentas

Terraform

GitHub Actions

SQLAlchemy

Descrição da oferta de emprego

Senior Software Engineer • Carapicuíba, São Paulo, Brazil

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.