Full-Stack Developer

SkySun; India; On-site; INR 1,800,000 - 3,200,000; Full time

Job summary

SkySun in India seeks a senior full-stack engineer to lead CRM and workflow automation efforts. You will own Insightly configurations, pipelines, and webhooks while also building a scalable middleware layer.

The role involves collaborating with product and operations to map complex business workflows into robust system designs. You will be the technical lead with architectural autonomy, shipping tools used by hundreds of internal and external users daily, and guiding the technology direction of

Qualifications

• 4–8 years of full-stack engineering experience.
• Delivered at least one end-to-end CRM or workflow automation project.
• Built API-driven backend services.
• Bonus: experience in solar, field service, fintech, or operations-heavy businesses.
• Bonus: experience with Insightly specifically.

Responsibilities

• Implement Insightly CRM pipelines, custom fields, automations, and API integrations.
• Design and build a scalable middleware/API layer.
• Translate business processes into robust system workflows with stakeholders.
• Act as the glue between CRM, web app, and external partner systems.

Skills

Full-stack development

MERN stack

React

Node.js

Next.js

REST APIs

AWS

CRM integration

Insightly

API integrations

Tools

PostgreSQL

MongoDB

MySQL

AWS

Job description

Job Description:

You will be the technical lead responsible for:

• Implementing Insightly CRM pipelines, custom fields, automations, and API integrations
• Designing and building a scalable middleware/API layer
• Working with operational heads to convert business processes into robust system workflows
• Acting as the glue between CRM, web app, and external partner systems (dialers, financing providers, proposal management and scheduling tools, etc.)

Significant

You will be an experienced, senior, hands-on engineer with architectural autonomy and significant influence over Lytegen’s technology direction. This is a greenfield opportunity to help define the architecture, build core integrations, and ship real tools used daily by hundreds of internal and external users and would be ideal for an engineer who enjoys solving end-to-end business workflow problems, not just writing code.

CRM (Insightly) Implementation

• Configure Insightly objects, pipelines, automations, and permissions
• Build custom fields and structured workflows for leads, proposals, NTP, projects, permitting & installations
• Set up and manage Insightly webhooks and API integrations
• Optimise CRM usability for setters, schedulers, closers, and project teams

Middleware / Integration Layer

• Design system integrations between Insightly and external tools
• Build REST APIs, background workers, webhooks, and syncing logic
• Implement authentication, API rate-limit handling, and robust error logging
• Set up a clean, maintainable architecture (Serverless preferred)

Collaboration + Product

• Translate complex business workflows into technical designs
• Participate in solution design workshops with US/UK stakeholders
• Handle documentation, schema design, API contracts, and release planning
• Assess technical feasibility, effort, and impact before implementation

Skillset

• Strong proficiency in fullstack development (NOSQL, React or Next.js, Lambda)
• Solid understanding of REST APIs, authentication, and integration patterns
• Experience working with CRMs (Insightly preferred, Salesforce/HubSpot acceptable)
• Strong debugging, performance optimisation, and architectural skills
• Cloud experience (AWS preferred)
• Ability to understand sales workflows, operations processes, and multi-stage pipelines
• Strong communication—clear documentation, structured thinking, and internal stakeholder coordination
• Ability to convert ambiguous requirements into structured system designs.
• MERN STACK - Reactjs Nodejs Nextjs RestAPIs AWS Typescript.
• DATABASE- PostgreSQL Mongobd MySQL.
• SEO knowledge.
• CRM building is mandatory with salesforce /Hubspot/zoho/zeeper/oodo

Experience

• 4–8 years of full-stack engineering experience
• Must have delivered at least one end-to-end CRM or workflow automation project
• Must have built API-driven backend services
• Bonus: Experience in solar, field service, fintech, or operations-heavy businesses
• Bonus: Experience with Insightly specifically (otherwise willingnessto upskill quickly)

Requirements: