GURUGRAM · FULLTIME
Full Stack Developer

SingleInterface
Gurugram · onsite · Posted 12d ago
Sourced from
Not disclosed3–5 yrsfulltimeGurugram
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Section · 01
About this role
Responsibilities:
- Reviews AI Auto-response engine with ABSA sentiment classification, AI reply generation (ChatGPT/Grok/SI AI fallback), and Google posting. 50K+ reviews/day.
- Presence Management: Multi-location brand listings across Google, Facebook, Apple Maps. Real time sync via PubSub, bulk updates, image suppression.
- AI Mode Conversational AI interface: intent detection, knowledge-based replies, DB-querying, action execution, content publishing.
- Report Engine Event-driven pipeline: EventBridge Lambda SQS parallel processors S3 SES email delivery. Zero polling, zero crons.
- Notification System Fan-out architecture: coordinator Lambda sharded workers per channel SQS queues push/email/in-app delivery at scale.
- Competitor Intelligence Data aggregation using RapidAPI, Google Places, and custom crawlers for competitive analysis.
Requirements:
- 2-5 years of professional full-stack development with Node.js and React in production environments.
- Strong CS fundamentals: data structures, algorithms, system design, API design patterns.
- Demonstrable experience using AI tools to accelerate development; show us your workflow, not just a resume.
- Shipped features that handle real traffic at scale (10K+ requests/minute or equivalent).
- B. Tech/B. E. /MCA in Computer Science or equivalent practical experience.
- Comfortable with ambiguity, fast iteration, and high ownership. You don't wait for perfect specs.
Good to Have:
- Node.js (4+ years): Express/Hapi/Fastify, REST API design, async patterns, error handling, middleware architecture. You can build a production API from scratch.
- React (3+ years): Hooks, state management (Redux/Zustand/Context), component architecture, performance optimisation, SSR/Next.js .
- Databases: MySQL/PostgreSQL (query optimization, indexing, migrations) and MongoDB/DynamoDB. You can write an EXPLAIN plan and fix a slow query.
- Cloud and DevOps: AWS (Lambda, SQS, SNS, S3, EventBridge, API Gateway), CI/CD pipelines, Docker, PM2.
- AI coding tools: Active user of Claude Code, Cursor, GitHub Copilot, v0, or similar. You use AI to scaffold, refactor, debug, and write tests.
- Vibe coding: You can take a product brief, describe the intent to an AI assistant, iterate on the output, and ship a working feature in hours.
- LLM integration: Experience calling OpenAI/Anthropic/Groq APIs from backend code. Built features using LLMs for summarisation, classification, or generation.
- Git and testing: Branch strategy, PR workflows, unit tests (Jest/Vitest), integration tests. You write tests because you've been burned by not writing them.
- Bonus: TypeScript, event-driven architecture (Kafka/SQS), Redis, Elasticsearch, WebSocket, OpenTelemetry/APM, MCP server development, multi-tenant SaaS architecture.
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Section · 02
Skills
Aws LambdaDockerNext.jsamazon web servicesExpress.jsAWS S3FastifyHapi.jsNode.JsReact.JsReduxCi/Cd
Section · Company
About SingleInterface

SingleInterface
Internet
260
employees
2014
12 years old
Gurgaon / Gurugram, Haryana
India
₹8.7L PA avg
Avg at SingleInterface
About
SingleInterface functions within the marketing technology industry, enhancing the online presence and sales capabilities of physical businesses across Asia.
Industries
Internet
Employee ratings
10 reviews
3.6/ 5
Culture
3.5
Career growth
3.2
Work-life
3.6
Employees rate it well for
Job Security37Work-Life Balance36
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