Senior Software Engineer

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

Resumo da oferta

A leading fintech company in Brazil is looking for a Senior Software Engineer to own critical services and mentor a team. You will design and implement REST APIs using Python, automate workflows, and enhance data pipelines on AWS and Kubernetes. Candidates should be well-versed in payments systems, infrastructure as code with Terraform, and have hands-on experience with container orchestration. A strong background in SQL and observability tools is also essential. The company values technical excellence and collaboration.

Qualificações

• Expert in Python (3.12+ preferred), with strong typing, async/multiprocessing.
• Experience with payments and fintech, particularly in disputes and chargebacks.
• Proven experience deploying and operating services using AWS, Docker, and Kubernetes.

Responsabilidades

• Lead technical projects and mentor other engineers.
• Build and operate scalable REST APIs in Python.
• Design ETL/ELT data workflows with a focus on reliability.

Conhecimentos

Python expert

REST API design

Payments integration

AWS

Docker

Kubernetes

Terraform

Strong SQL

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.