Senior Software Engineer

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

Resumo da oferta

A leading fintech company in Brazil is seeking a Senior Software Engineer to take ownership of critical services and mentor junior engineers. This role involves shipping API-first Python systems, automating workflows, and ensuring reliable data pipelines on AWS and Kubernetes. The ideal candidate will have considerable experience in Python, REST APIs, and fintech operations, particularly in payments and chargebacks. Candidates should have strong skills in Docker, Terraform, and SQL as well as a passion for mentorship and collaboration.

Qualificações

• Fluent in Python with an understanding of async/multiprocessing.
• Experience automating workflows and managing RESTful APIs.
• Familiar with payments processing and dispute resolutions.

Responsabilidades

• Lead projects and mentor junior engineers.
• Build and operate REST APIs using Python.
• Automate operations like evidence assembly and reconciliations.
• Design ETL/ELT processes for data management.
• Ensure infrastructure is defined and maintained with Terraform.
• Integrate observability tools for monitoring services.

Conhecimentos

Python expert (3.12+ preferred)

REST API design and operations at scale

Payments / fintech knowledge

AWS, Docker, Kubernetes

Terraform in production

Strong SQL and columnar databases

Ferramentas

Terraform

Docker

Kubernetes

GitHub Actions

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.