Shyftlabs1d ago

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Software Developer

India·NoidaFull-Timemid

OtherSoftware Developer

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Quick Summary

Overview

Role Overview Simfluent's platform automates the full recruitment lifecycle across five AI agents, a 22-stage candidate pipeline, and integrations with Lever ATS, SendGrid, and multiple job boards.

Technical Tools

OtherSoftware Developer

Role Overview

Simfluent's platform automates the full recruitment lifecycle across five AI agents, a 22-stage candidate pipeline, and integrations with Lever ATS, SendGrid, and multiple job boards. As a Software Developer on the Platform team, you will build and own features across the backend API, async worker infrastructure, and third-party integrations that keep the platform running for enterprise tenants.

Four years of experience means you have shipped real features in production, you understand why tests matter, and you can design a data model before you open your code editor. You work independently on well-scoped problems, raise quality concerns early, and know when to ask for help before a decision becomes expensive to reverse. This is a backend-first role with a strong Python focus.

API Layer: Build and maintain REST API endpoints using FastAPI — recruiter pipeline actions, candidate management, job configuration, and third-party integration webhooks.

Data Modelling: Design and implement PostgreSQL data models — schema design, indexing, query optimisation via EXPLAIN ANALYZE, and Alembic migration management for new features.

Multi-Tenancy: Build and maintain multi-tenant data access patterns — every query correctly scoped by tenant_id, no cross-tenant data leakage, new features inherit the isolation model from day one.

Async Workers: Implement async worker tasks using AWS SQS and Celery — task design, retry logic, idempotency, and dead-letter queue handling for pipeline automation flows.

Integrations: Build and extend third-party integrations — Lever ATS webhooks, SendGrid outbound and inbound parse, IMAP polling for the job-watch inbox, and AWS S3 for document storage.

Testing: Write comprehensive test coverage — unit tests, integration tests, and async/webhook handler tests as a standard part of your workflow.

Code Reviews: Participate in architecture discussions, code reviews, and technical documentation — raising quality concerns clearly and constructively.

On-call: Contribute to on-call rotation — diagnose and resolve production incidents, write runbooks, and conduct post-mortems.

Python

FastAPI

asyncio

SQLAlchemy

Pydantic

PostgreSQL

Database Schema Design

Database Indexing

EXPLAIN ANALYZE

Alembic

Multi-tenant Architecture

AWS SQS

Celery

Message Queue Systems

REST API Integration

OAuth

Webhooks

pytest

Async Testing Patterns

Systems Design

React

pgvector

Vector Databases

AWS Bedrock

LLM Integration

Multi-tenant SaaS Architecture

New Skil

4 years of Python backend engineering experience in production environments

Production-grade service development experience (not scripts)

Experience with async programming using asyncio

Strong database design and optimization skills

Experience with async task systems (SQS, Celery, or RabbitMQ)

Experience building third-party API integrations

Strong testing discipline with comprehensive test coverage

Systems thinking approach to software design

Understanding of failure modes, edge cases, and observability

Simfluent is an equal opportunity employer. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, or disability status.