Available for Consulting

Building Software
That Actually Works

10+ years helping companies solve complex technical challenges with honest advice, helpful guidance, and real solutions.

10+
Years
Full
Stack
100%
Production
Sandeep Singh - Software Development Consultant

About Me

A decade of building production-grade software for real businesses

Who I Am

I'm a full-stack software developer with 10+ years of experience building and scaling production applications. Based in Montreal, I've worked across multiple domains including event management platforms, email infrastructure, and marketing automation systems.

My approach is simple: honest assessment, helpful guidance, and real solutions. I don't sell you what you don't need. I help you build what actually works.

Whether you're a startup founder, technical recruiter, or enterprise client, I provide clear, actionable advice backed by years of hands-on experience.

Technical Depth

Ruby on Rails, Elixir/Phoenix, Node.js, TypeScript, Svelte, PostgreSQL, Docker

Domain Expertise

Email infrastructure, business automation, CRM integrations, SaaS platforms

Business Impact

Built production platforms serving real customers, reducing costs, increasing efficiency

What I Do

Specialized services backed by real production experience

Technical Consulting

Architecture review, technology selection, scalability planning. Get honest advice on what will actually work.

  • System architecture design
  • Technology stack evaluation
  • Code review & optimization

Full-Stack Development

End-to-end application development with Rails, Elixir, Node.js. From MVP to production-grade systems.

  • Web application development
  • API design & development
  • Database optimization

Email Infrastructure

Email deliverability, infrastructure setup, warming strategies. Deep expertise in SMTP, DMARC, SPF, DKIM.

  • Email server setup (Postal, Stalwart)
  • Deliverability optimization
  • Email warming & automation

CRM & Integrations

Custom CRM integrations, API middleware, webhook processing. Connect your systems seamlessly.

  • CRM integration development
  • Webhook & API design
  • Data synchronization systems

Business Automation

Workflow automation, process optimization. Reduce manual work and increase operational efficiency.

  • Workflow automation platforms
  • Background job processing
  • Process optimization consulting

Mentoring & Training

Technical mentoring, code reviews, team training. Help your team level up their skills.

  • 1-on-1 technical mentoring
  • Team training sessions
  • Best practices workshops

Featured Work

Real projects solving real business problems

FEATURED PROJECT

Salpreve Automation Platform

Comprehensive business automation platform for Salleprivee, a Montreal-based event venue marketplace. Handles venue bookings, client communications, and operational workflows.

View Live Platform → 🚀

The Challenge

Managing multiple event venues with manual processes was time-consuming and error-prone, limiting business growth and customer satisfaction.

The Solution

Built a full-stack Rails 7 platform that centralizes all venue operations, automating client onboarding, bookings, payments, and communications.

Key Results

80%
Faster Processing
10+
Venues Managed
1000+
Events Processed
24/7
Live & Running
Rails 7 MySQL Docker Background Jobs API Integration
985KB
Codebase Size
2+ Years
Active Development
100%
Production Ready
EMAIL INFRASTRUCTURE

Warmr

Automated email warming service that improves deliverability rates for cold email campaigns. Solves the $50M+ market problem of email reputation building.

85%+
Inbox Rate
$500
Monthly Savings
Gradual volume ramping algorithms
Real-time reputation monitoring
SMTP, IMAP, DMARC, SPF, DKIM
Ruby on Rails Sidekiq SMTP/IMAP
INTEGRATION PLATFORM

CRM Integrator

Integration middleware connecting multiple CRM systems. Enables bidirectional data sync and workflow automation across platforms.

10K+
Records/Month
95%
Error Reduction
Multi-CRM API connectors
Automated data transformation
Real-time webhook processing
TypeScript AdonisJS REST APIs

Interested in seeing more of my work?

Let Me Show You My Code

What People Say

Recommendations from colleagues and clients

EB
Eric Benoit
Consultant informatique @ Cyber Atlantide
March 2022
"I'm very happy to give a recommendation to Sandeep. He is highly efficient and focused developer. As a technician myself I really like working with him. He very good at finding solutions to any complex problems. His passion to satisfy the client makes the understanding easier to get for me and him. Sandeep knows applications development very well and his skills are helped me to organize my grow."
RK
Rahul Kumar
Product Director @ Revivo Technologies
May 2020 • Managed Sandeep directly
"I am happy to write recommendation for Sandeep. He is highly productive and focused person. As a team mate he is fun to work with. He is innovative in nature and and good at finding solutions to complex problems. His passion for computer and technology makes things easier to do. Sandeep knows web-development and mobile development very well. His managerial skills are stunning, and helped the organisation to grow."

Tech Stack

Backend

  • Ruby on Rails
  • Elixir / Phoenix
  • Node.js / Express
  • TypeScript / AdonisJS

Frontend

  • Svelte / SvelteKit
  • TypeScript
  • React
  • Tailwind CSS

Data & DevOps

  • PostgreSQL
  • MySQL
  • Redis
  • Docker

Specializations

  • Email Protocols
  • REST APIs
  • Webhooks
  • Background Jobs

Let's Work Together

Whether you're a recruiter looking for senior talent, a startup founder needing technical guidance, or a company seeking to solve complex challenges, I'd love to hear from you.

Location

Montreal, Canada

Available for:

Contract Development Technical Consulting Code Reviews Architecture Design Mentoring

Remote work preferred • Available for on-site consulting in Montreal area