Software Engineer

About LimeChat

At LimeChat, we’re on a mission to revolutionize conversational commerce by enabling human‑level interactions on WhatsApp. Backed by top‑tier investors such as Stellaris, Titan, Pi Ventures and part of Y Combinator W21, we already power 500+ leading brands—including Mahindra, HUL, ITC, and Mamaearth.

Our next frontier: enterprise verticals like BFSI, Health, Auto, and Retail. We’re shipping cutting‑edge GenAI agents that automate and personalise millions of customer journeys every single day.

Our founders are Computer Science alumni from IIT Delhi with a specialization in AI and have been recognized as Forbes 30 Under 30 honorees for their groundbreaking work. Their vision and leadership drive us to build the best products in the industry.

We’re a tight‑knit crew that moves fast, sweats the details, and owns outcomes. If that sounds like your vibe, you’ll feel right at home.

Some Quotes We Live By

• “It’s okay to fail. It’s not okay to not try.”
• “Do the right thing when others are not looking.”

What are we looking for?

We're seeking a skilled Software Development Engineer who excels in creating seamless connections between various systems and applications. If you're passionate about coding, love solving integration challenges, and enjoy working with APIs, you might be the ideal candidate.

In this role, you'll collaborate closely with our development and product teams to design and implement robust integration solutions. Your work will ensure that different systems communicate effectively, creating a cohesive and efficient technology ecosystem. Join us to build integration solutions that enhance our technical capabilities and drive business success.

Responsibilities

• Own client go‑lives: Translate enterprise requirements into working GenAI deployments—scoping, coding, testing, and shipping on aggressive timelines.
• Build custom integrations: Craft REST/webhook connectors, event pipelines, and data syncs that plug our agents into CRMs, OMS, ERPs, and bespoke systems.
• Engineer GenAI workflows: Orchestrate RAG pipelines, prompt chains, and fine‑tuning jobs, using tools like LangChain and PGVector.
• Design deployment architectures: Spin up scalable, secure clusters on AWS/GCP with Docker, Kubernetes, and Terraform/Helm.
• Instrument & optimise: Track latency, token spend, and error budgets; debug across logs (Kibana), tracing, and databases to keep uptime > 99.9 %.
• Create playbooks: Document repeatable patterns, SDKs, and IaC modules so future deployments are faster and safer.
• Partner cross‑functionally: Work with Customer Success, Product, and Core Engineering to shape roadmap and close feedback loops.

Must‑haves

• 1–3 years building backend/integration solutions for SaaS or platform products.
• Proficient in Python or Node.js (FastAPI/Django/Express) and strong in RESTful API design.
• Solid database chops—SQL (PostgreSQL/MySQL) and NoSQL (MongoDB/Redis); comfortable writing performant queries and schema migrations.
• Hands‑on with Docker containers, Kubernetes/ECS, and at least one cloud provider (AWS or GCP).
• Experience with Git, code‑reviews, and CI/CD pipelines (GitLab CI, Jenkins, or GitHub Actions).
• Debugging ninja: can trace requests across services, logs, and message queues to isolate bottlenecks quickly.
• Excellent written & verbal communication—able to simplify complex tech for clients and teammates.

Nice‑to‑have

• Background in Conversational AI, chatbots, or MarTech platforms.
• Familiarity with cloud architectures (AWS/GCP) and integration patterns (webhooks, OAuth, message queues).
• Prior experience with pricing & estimation for custom builds.
• Certification in CSPO, PMP, or AWS SAA.

Tech Stack

Python • Node.js • FastAPI/Django • PostgreSQL • MongoDB • Redis • RabbitMQ • Docker • Kubernetes • AWS/GCP • Terraform • LangChain • PGVector

Growth Path

• Year 1: Launch 10+ enterprise deployments, build reusable integration SDKs, reduce average go‑live from 4 weeks → 1 week.
• Year 2+: Lead a Deployment squad, shape platform extensibility, or transition into Product/Platform Engineering.

Benefits

• Unlimited PTO / sick leave
• Subsidised fitness membership
• Free lunch and snacks
• Annual company retreat
• Bring your dog/cat to work 🐶