Backend python developer

1 day ago

Kochi, India Delta International Institute Full time

Join our backend team to architect and scale low-latency FX trading services. You’ll build Fast APImicroservices, model real-time market data in Postgre SQL, and engineer an idempotent streamconsumers across Kafka/Redpanda/Rabbit MQ/SQS.■ Responsibilities• Develop & maintain Fast API microservices (auth, market ingestion, order flow, reporting)• Design Postgre SQL schemas for tick/quote/OHLCV data• Implement UPSERT logic with deduplication & idempotency• Build queue/stream consumers with robust exactly-once/at-least-once semantics• Optimize: async I/O, connection pooling, indexing, partitioning• Write resilient tests (e.g., property-based for rounding, contract tests for APIs)• Deploy observability: metrics, logs, tracing, alerting✔■ Must-Have Skills• 2–3 years of Python in production (Fast API, async, typing, Pydantic)• Solid Postgre SQL knowledge (indexes, query plans, partitioning, ACID/transactions)• Strong with stream/queue systems (Kafka, Rabbit MQ, SQS)• Proven track record of idempotent upserts & retry-safe processing• Proficiency with Docker, Git, CI/CD pipelines■ Nice-to-Have• Experience with FX/market data (ticks, OHLCV, timezones, rounding)• ETL tools (Pandas, Num Py, Arrow), Redis, K8s, Terraform• Security-aware (auth N/auth Z, rate-limiting, secret handling)■ Stack You’ll Touch• Python 3.11+• Fast API, Pydantic• Postgre SQL 14+• Kafka/Redpanda (or Rabbit MQ/SQS)• Docker, pytest• Prometheus, Grafana

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