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Senior Software Engineer
Fraud Deflectjoão pessoa, estado da paraíba, brHá +30 dias
Descrição da vagaPython 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. Production Angular 17+, TypeScript / RxJS, NgRx or Signals, secure API integration, unit / e2e tests. Terraform in production (modules, remote state, policy as code). Strong SQL; SQLAlchemy; columnar DBs (e.g., MySQL, ClickHouse). Systems basics : networking / HTTP / TLS, concurrency, performance.
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
Nice to have
Kafka / Kinesis / SQS, Airflow / Prefect / Dagster, PCI / SOC 2, FastAPI / Django, Angular Nx / NgRx, Cypress / Playwright.
How to apply
Send an English resume and links to APIs / code / docs showing Python, Terraform / Kubernetes, Angular, automation, and payments / chargebacks work.
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Senior Software Engineer • joão pessoa, estado da paraíba, br
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