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Python Developer with MongoDB

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Gurugram, India

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Python

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BCM Industry

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11/11/2026

Req. VR-125976

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Project description

The programme is building a resilient, secure, production-grade platform of Python backend services, REST APIs, asynchronous processing components and external integrations, backed by MongoDB and delivered through a React/TypeScript operational user interface with auditable operations and role-based enterprise user journeys. As a Python backend developer with MongoDB exposure, you will design and deliver well-structured, testable, asynchronous backend services and APIs for the platform, with a full-stack delivery mindset – owning features from data model through API to UI.

Responsibilities
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Design well-structured, testable backend services and APIs with clean module boundaries and separation of concerns.

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Build asynchronous services with FastAPI/Uvicorn and Pydantic-based data modelling.

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Apply SOLID, object-oriented design and pragmatic design patterns (factory, strategy, repository, adapter, state, saga, outbox, CQRS).

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Drive design through TDD with strong unit and integration coverage of business-critical paths.

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Engineer resilience for external dependencies: circuit breakers, retry with exponential backoff and jitter, bulkheads, timeouts and stale-data fallback.

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Build security into the control flow: OAuth2/OIDC, mTLS, RBAC, maker-checker, secrets management.

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Integrate REST APIs with OAuth2 bearer flows, retries, idempotency and error mapping.

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Own features end-to-end from data model through API to UI, using Git/GitLab and CI pipelines.

Skills

Must have

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Years of experience: 8+

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Must have:

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Strong Python service design: type hints, clean module/package boundaries, separation of concerns.

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Async Python (asyncio, async HTTP clients) and FastAPI/Uvicorn with Pydantic.

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SOLID principles, object-oriented service design and design patterns in practice.

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Test-driven development (TDD).

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REST API integration: OAuth2 bearer flows, retries, exponential backoff, idempotency, error mapping.

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Concurrency and distributed-systems correctness: sagas, outbox, FSMs, idempotency, eventual consistency.

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Full-stack delivery mindset.

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Git/GitLab, automated testing and CI pipelines.

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MongoDB (or comparable NoSQL): data modelling, pymongo/Motor, transactions/replica sets, CQRS read models.

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React + TypeScript SPA: components, state management (TanStack Query / Redux Toolkit), API integration.

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Containers & Kubernetes/OpenShift: stateless services, config/secrets, leader election in a CaaS environment.

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Schedulers/workers (Celery, APScheduler, Temporal, Airflow) and leader-election/queue patterns.

Nice to have

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Payments or RTGS/SWIFT domain experience.

Other
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Languages

English: C1 Advanced

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Seniority

Senior

Gurugram, India

Req. VR-125976

Python

BCM Industry

11/11/2026

Req. VR-125976

Apply for Python Developer with MongoDB in Gurugram

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