Need a reliable developer to build, improve, or take over a business-critical software system?
I help businesses build custom software, SaaS platforms, CRM/ERP systems, workflow automation, integrations, and AI-powered applications that solve real operational problems.
๐ Top Rated on Upwork
โญ 100% Job Success Score
๐ฐ $20K+ Earned on Upwork
๐ 10+ Years of Software Development Experience
What I Can Help You Build
โข Custom Web Applications & SaaS Platforms
โข CRM & ERP Systems
โข Business Process Automation
โข AI-Powered Applications & Workflow Automation
โข API Development & Third-Party Integrations
โข Admin Portals & Internal Business Tools
โข E-commerce & Marketplace Platforms
โข Mobile Applications
โข Existing Application Maintenance & Modernization
Technology Expertise
Backend: PHP, Laravel, Node.js, Python
Frontend: React, JavaScript, HTML, CSS
Mobile: Flutter, React Native
Databases: MySQL, PostgreSQL, MongoDB
Integrations: REST APIs, Webhooks, Payment Gateways, CRM & Third-Party APIs
Automation & AI: OpenAI/AI integrations, workflow automation, API-driven business processes
I Can Also Take Over Existing Projects, You don't need to start from scratch.
I can step into an existing application to:
โข Understand and document the current system
โข Fix bugs and performance issues
โข Clean up or extend existing code
โข Build new modules and features
โข Integrate third-party platforms
โข Automate manual workflows
โข Improve stability and scalability
โข Provide ongoing development and support
Why Clients Work With Me
My focus is not simply completing development tasks. I first understand the business process behind the requirement and then build a solution that is reliable, maintainable, and practical for day-to-day use.
Whether you need an MVP, an internal business platform, an integration, or an experienced developer to take ownership of an existing application, I can help.
Have a project in mind? Send me a message with your requirements and I'll suggest the best technical approach.
CRM Automation
PHP
React Native
REST API
Web Development
Shopify
Front-End Development
Back-End Development
Web Design
WordPress
JavaScript
AI Chatbot
AI Implementation
ChatGPT
Laravel
Enterprise Software Development
Booking Management System
AI Consulting
Customer Portal
Remote Management Software
Gopal M.
Pune, India
$50/hr
4.8
241 jobs
Salesforce & HubSpot Expert | CRM Migration, Workflow Automation & RevOps
Most CRM setups fail quietly. Reps stop logging. Pipeline reports become guesswork. Workflows fire on the wrong records. Eventually the team drifts back to spreadsheets, not because the tool failed, but because nobody built it around how the team actually works. That's what I fix.
15 years in, 200+ clients, $2M+ delivered on Upwork, ranging from single-workflow fixes to full CRM migrations and portal rebuilds.
HubSpot services: Full portal builds, CRM migration, lifecycle stage architecture, lead scoring, pipeline setup, workflow automation, reporting and dashboards, QuickBooks and third-party integrations, data migration from Salesforce, Zoho, and Pipedrive.
Salesforce services: Sales Cloud, Service Cloud, Marketing Cloud, Apex development, Flow automation, Lightning Web Components (LWC), Agentforce AI automation, managed package and AppExchange customization, data migration and CRM data cleanup.
Integrations & Automation: PandaDoc, Stripe, QuickBooks, ZoomInfo, Slack, n8n, Make, Zapier, API integrations, plus AI-powered workflows using Claude and ChatGPT for data cleanup, documentation, and build acceleration.
Core skills: Salesforce Administrator, Salesforce Developer, Apex, Visualforce, Lightning Web Components, Salesforce Flow, HubSpot CRM, HubSpot Workflows, HubSpot Marketing Hub, HubSpot Sales Hub, HubSpot Operations Hub, CRM Migration, Data Migration, RevOps, Sales Operations, Marketing Automation, Lead Scoring, Pipeline Management, Reporting & Dashboards, API Integration, Zapier, Make, n8n, CRM Data Cleanup, AppExchange, Managed Package Customization
You probably need this if:
- Your CRM was touched by multiple people and nobody knows what's intentional anymore
- The same issues keep coming back after every fix
- Sales and marketing are still working off spreadsheets because the CRM doesn't reflect reality
- You've outgrown your current setup but don't know where to start
- You need one specific thing configured correctly and don't want to overpay for a full rebuild you don't need
Recent work:
- Sotheby's International Realty โ Rebuilt operations on Salesforce & Propertybase, automating property inventory, lead management, AML compliance, and document workflows (PandaDoc, Nintex, Royal Mail). Result: 40% productivity gain, 35% faster onboarding.
- Mitratech โ End-to-end Salesforce and HubSpot optimization, workflow automation, lifecycle tracking, and intelligent lead assignment to scale operations.
- Also delivered for Air New Zealand Academy, Zarraffa's Coffee, ModSquad, Sunnova, and smaller businesses running lean on a single portal.
100% Job Success Score. 42 certifications across HubSpot and Salesforce.
Some engagements stay scoped to exactly what was asked. Others surface three more things once the first fix is in, and we keep going from there. Either way works.
First conversation is a straight read: what's wrong, what it takes to fix it, no fluff.
- Gopal
CRM Development
CRM Automation
Salesforce
HubSpot
Salesforce CRM
Salesforce App Development
Salesforce Marketing Cloud
Automation
API Integration
Zapier
n8n
Artificial Intelligence
Automated Workflow
Sales Operations
Lead Management
Email Automation
Marketing Automation
Data Migration
Salesforce Lightning
Salesforce Einstein
Ritesh P.
Pune, India
$25/hr
4.7
448 jobs
I am a Full Stack ERP - CRM Revenue Operations Engineer having 15+ years of development experience .
My expert areas as follows:
- NetSuite implementation and customization
- Zoho CRM implementation and customization
- HubSpot customization and integration
- PHP, MySql Administration
- B2B Marketing, Email automation
- WordPress / Woocommerce
- Shopify customization and integration
- API Integration, Zapier
- N8N AI Workflow building
- QuickBooks Integration
- Pipedrive CRM
- Salesforce implementation and customization
- CSS, HTML,JAVAscript
- Reports Development
- NodeJs
- AngularJs
- SAP ABAP
- MS Dynamics implementation and customization
Oracle NetSuite
SuiteScript
Zoho CRM
API Integration
Zoho Analytics
Shopify Development
WooCommerce
PHP
Zoho Platform
API
LLM Prompt Engineering
HubSpot
Ecommerce Website Development
Customer Portal
Custom App
Rutik P.
Pune, India
$19/hr
5.0
1 jobs
Software Engineer with hands-on experience in developing,
integrating, and deploying enterprise-grade CRM solutions. Currently
working as a Junior Engineer at BUSINESSNEXT, contributing to
reliable on-prem deployments and system optimization initiatives.
Experienced in OpenShift-based deployments, API integrations,
and CI/CD collaboration using Jenkins and Git. Skilled in Oracle
SQL optimization and backend workflow enhancements to improve
performance and scalability.
AWS Certified Solutions Architect - Associate, with a growing focus
on DevOps and automation practices to streamline deployments
and strengthen cloud readiness. I value teamwork, precision, and
problem-solving that drive innovation, reliability, and efficiency in
enterprise systems.
AI Agent Development
AI App Development
AI Audio Generation
AI Bot
AI Chatbot
Product Development
Web Application
Web Development
n8n
App Development
Automation
Jitendra M.
Pune, India
$31/hr
4.7
78 jobs
Anyone can ship a demo. You need software that survives real users, real data, and real deadlines.
I'm Jitendra, founder of Thinkitive Inc., a software product engineering firm, with 15+ years of building products. On Upwork: Top Rated Plus, 24,000+ hours, $600K+ earned, 100% Job Success. My firm's Upwork agency has delivered $6M+ across 360 projects and 225,000+ hours, also at 100% Job Success.
WHO I HELP
โข Founders who do not want to build it twice
โข Operations leaders replacing manual work with AI and automation
โข CTOs who need senior hands without adding headcount
WHAT I BUILD
โข End to end SaaS platforms: multi-tenant, billing, admin panels, analytics
โข AI systems that run in production: LLM apps, RAG pipelines, AI agents, copilots, chatbots, voice AI
โข Web and mobile applications: React, Next.js, Flutter, React Native
โข Backend architecture and high performance APIs: Node.js, Python, microservices
โข Workflow automation and API integrations across CRMs, payments, and messaging
โข Healthcare software where needed: EHR/EMR modules, HL7 FHIR integrations, telehealth, HIPAA compliant builds
โข Cloud infrastructure and DevOps on AWS
AI EXPERTISE
LLM integrations (OpenAI, Claude, Gemini, open source models), LangChain, RAG with vector databases, semantic search, AI agents and workflow automation, prompt engineering and structured outputs, evaluation and monitoring so it stays reliable after launch.
TECH STACK
Backend: Node.js, NestJS, Python, Django, FastAPI, PHP, Laravel
Frontend: React, Next.js, Vue, Angular, TypeScript
Mobile: Flutter, React Native, Swift, Kotlin
Cloud and DevOps: AWS, Docker, Kubernetes, Firebase, CI/CD
Databases: PostgreSQL, MongoDB, MySQL, Redis, vector stores
WHY QUALITY IS NON NEGOTIABLE
My firm serves 150+ healthcare clients, where getting security and compliance wrong is not an option (HIPAA, SOC 2 Type II and ISO certified delivery). That bar shapes how I build everything, in every industry: access control, audit logging, testing, and reliability by default.
WHY A FOUNDER ON UPWORK
Because some projects need an owner, not a vendor. I stay close to the architecture and the decisions that matter, and the project gets whatever capacity it needs to ship well.
INDUSTRIES
SaaS, FinTech, eCommerce, Healthcare, Real Estate, Logistics, Education, IoT, AI platforms
Send a message or an invite with a line about what you are building. I reply within a few hours.
Node.js
React
Python
TypeScript
Next.js
NestJS
Artificial Intelligence
AI Agent Development
OpenAI API
LangChain
Machine Learning
Amazon Web Services
SaaS Development
API Development
Chatbot Development
HIPAA
Electronic Health Record
FHIR
Telemedicine
PostgreSQL
Vishal S.
Pune, India
$35/hr
5.0
6 jobs
๐ Senior Full Stack Developer | SaaS, AI, CRM & Automation | 9+ Years Experience
Need a developer who can turn your idea into a reliable, scalable product โ not just write code?
Iโm a Senior Full Stack Developer with 9+ years of experience building and scaling SaaS platforms, AI-powered applications, CRMs, workflow automation systems, marketplaces, dashboards, and custom web applications.
I work with startups, agencies, and established businesses to build new products, improve existing applications, integrate third-party services, automate manual processes, and take projects from development to production.
๐ก What I Can Build For You
โ SaaS Applications โ Multi-tenant platforms, subscriptions, user roles, billing, admin panels
โ AI-Powered Applications โ Google Gemini, Vertex AI, AI workflows, document processing, AI assistants
โ CRM & Lead Management โ Custom CRMs, pipelines, lead tracking, automation and reporting
โ Business Automation โ Replace repetitive manual processes with automated workflows
โ API & System Integrations โ REST APIs, webhooks, third-party platforms and custom integrations
โ Real-Time Applications โ WebSockets, notifications, live dashboards and messaging
โ Admin Dashboards โ Data-heavy dashboards, analytics, reporting and business tools
โ Payment Systems โ Stripe subscriptions, checkout, recurring payments and webhooks
โ Custom Web Applications โ Business-specific platforms built around your exact requirements
๐ ๏ธ My Core Technology Stack
Backend: Node.js, Express.js, PHP, Laravel, CodeIgniter 4
Frontend: React.js, Vue.js, Next.js, Tailwind CSS
Databases: MySQL, MongoDB, DynamoDB, Airtable
Cloud & Infrastructure: AWS, Google Cloud, Docker, Nginx
AI: Google Vertex AI, Gemini and AI-powered workflows
๐ Integrations Iโve Worked With
Stripe โข Twilio โข Mailgun โข SendGrid โข Nylas โข Zapier โข HubSpot โข Zoho CRM โข GoHighLevel โข ClickFunnels โข REST APIs โข Webhooks
โญ Why Clients Work With Me
I don't just focus on completing individual tasks. I focus on building systems that are:
โ Scalable โ designed to handle future growth
โ Maintainable โ clean architecture and readable code
โ Reliable โ proper error handling, logging and testing
โ Secure โ authentication, authorization and data protection
โ Business-focused โ technology that actually solves the underlying problem
Whether you have a startup idea, an existing SaaS product that needs development, a CRM that needs customization, an AI feature you want to launch, or a manual business process you want to automate, I can help you design, build and deploy it.
Have a project in mind? Send me a message with what you're trying to build, and I'll help you figure out the best technical approach.
CRM Software
NodeJS Framework
ExpressJS
React
Vue.js
MongoDB
MySQL
PHP
CodeIgniter
Laravel
Zapier
Twilio
Twilio API
SendGrid
Mailgun
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Kinetic Investments
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