Bengaluru, Noida · On-site

Software Development Engineer II

Full-timePosted 11 Nov

Salary: Not disclosed
Experience: 3–6 years
Eligible batches: 2020 – 2023
Location: Bengaluru, NoidaOn-site

About the role

SaaS Labs is looking for a seasoned backend engineer to design and deliver AI‑driven integrations that connect JustCall’s voice‑agent platform with a wide range of business applications. You will work on Node.js services, REST APIs, webhooks and MongoDB‑backed data pipelines to enable seamless, automated workflows for customers across the globe.

Responsibilities

Build new AI‑powered integrations with CRMs, project‑management tools, communication platforms and custom webhook endpoints.
Extend and customise existing connectors to support AI‑specific use cases.
Develop and maintain Node.js backend services, APIs and state‑management logic using MongoDB.
Contribute to shared AI infrastructure, handling asynchronous jobs, event pipelines and retry mechanisms.
Document integration contracts, API schemas and workflow behaviours for cross‑team consumption.
Own feature delivery end‑to‑end, including design, coding, testing, debugging and deployment.

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Eligibility

Minimum 3 years of professional experience with Node.js and JavaScript or TypeScript.
Hands‑on knowledge of MongoDB data modelling and query optimisation.
Proven ability to work with REST APIs, OAuth flows and webhook integrations.
Strong debugging skills and a systematic approach to problem solving.
Interest in AI, LLM‑powered applications and how they interact with external systems.

Skills

Node.js, JavaScript, TypeScript
MongoDB schema design and data handling
RESTful API development and consumption
OAuth authentication and webhook processing
Experience with the MERN stack (Express, React) is a plus
Ability to design reliable API contracts and integration specifications

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Asked for

Node.js
JavaScript
TypeScript
MongoDB
REST API
Webhooks
OAuth
Express

Nice to have

React
MERN
AI
LLM

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Benefits

Opportunity to work on cutting‑edge AI voice‑agent technology used by thousands of businesses worldwide.
Collaborative environment with cross‑functional AI, integrations and product teams.
Competitive compensation and equity participation in a fast‑growing SaaS startup.
Supportive, inclusive culture that values diversity and continuous learning.

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About SaaS Labs

SaaS Labs builds cloud‑based business process automation and productivity software for sales and support teams worldwide. It serves B2B customers of all sizes and was founded in 2016 in Palo Alto. The company has about 400 employees, with a large portion in Southern Asia.

Founded 2016 · 201-500 employees · HQ Palo Alto, California, United States

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