Vacancy description

Full stack Developer (Frontend) in Rāniganj, India

Anblicks

ContractFixed-term or freelance

Full stack Developer (Frontend) in Rāniganj, India is listed on Jobeax. Browse 30,000+ vacancies available.

Own the metrics API — a FastAPI service exposing tenant-scoped metrics over curated KPI data, including aggregation logic, query performance, and schema evolution

Enforce multi-tenant isolation — tenant and billing-entity scoping implemented structurally in the data access layer, not left to individual queries

Design and evolve the data model — SQLModel entities and Alembic migrations run safely against live data, with validation queries accompanying every schema change

Own the API contract — Pydantic models on the server matched by Zod schemas on the client, with no silent drift between the two

Tune performance — caching strategy and invalidation, rate limiting, pagination over large result sets, and query plan analysis

Implement authentication and authorization — OAuth2 / OIDC integration, JWT validation, scopes and claims

Build and review frontend work — deliver React and TypeScript features to the team standard, review frontend pull requests, and take end-to-end ownership of a slice when the work calls for it

Own quality — pytest coverage on all logic that computes or scopes a number, plus tracing and structured logging sufficient to diagnose issues in production

Partner with data and analytics — work with the data engineering and BI functions on metric definitions, mart design, and reconciliation

6+ years building production backend services; 3+ years with Python in a modern async stack

Working proficiency in TypeScript and React (required) — able to build and review frontend features to the team standard.
Deep FastAPI experience — async request handling, dependency injection, background tasks
Strong PostgreSQL: async access via asyncpg, connection pooling, indexing, and the ability to read and fix a query plan
Advanced SQL for analytics — window functions, CTEs, time-bucketed rollups, and correct handling of late-arriving and duplicate data
Alembic migrations, including reversible migrations applied to live production data
Multi-tenant application experience with row- or entity-level scoping and isolation guarantees
Caching, rate limiting, and API performance tuning under real load
pytest, async test patterns, fixtures, and testing against a real database rather than mocks
Cloud platform experience (Azure preferred), containerization, and production observability such as OpenTelemetry, Prometheus, or Loki is a plus
Exposure to dbt, Snowflake, or warehouse-to-application data modelling is a plus
Power BI or DAX literacy — enough to read a metric definition and reconcile against it — is a plus

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