Senior Software Engineer

Fraud Deflect; Vitória; Presencial; BRL 180.000 - 230.000; Tempo integral

Resumo da oferta

A tech-focused company based in Brazil is seeking a Senior Software Engineer to lead and mentor a team while managing critical services. The ideal candidate will have strong expertise in Python and proven experience in designing REST APIs at scale. This role involves automating workflows, working with AWS and Kubernetes infrastructure, and ensuring high-performance operations in payment systems. Candidates should have experience with Terraform and be proficient in SQL. An English resume is required.

Qualificações

• Proven experience with Python (3.12+ preferred).
• Hands-on REST API design and operations at scale.
• Experience in payment systems handling disputes and chargebacks.

Responsabilidades

• Lead projects, designs, and mentor junior engineers.
• Build and operate REST APIs in Python.
• Automate workflows and reconcile transactions.
• Design ETL / ELT processes and manage data contracts.
• Run services on AWS with Docker and Kubernetes.

Conhecimentos

Python expertise

REST API design

Payments / fintech experience

AWS

Docker

Kubernetes

GitHub Actions

Strong SQL skills

Ferramentas

Terraform

SQLAlchemy

ClickHouse

MySQL

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.