Senior Software Engineer

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/HTTP/TLS, 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.