Senior SaaS Developer - Multi-Channel Client Outreach
Budget / Salary$30–250
TypeFreelance project
LocationRemote
Posted1 hour ago
We are looking for an experienced Senior Full-Stack SaaS Developer or a small development team to build a modern, scalable cloud-based B2B SaaS platform.
The platform will combine CRM, client management, automated outreach and multiple communication channels within one web application.
Main Areas
SaaS architecture, user accounts and subscription management
CRM and contact/lead management
Email automation, campaigns and follow-ups
Unified communication/inbox functionality
SMS and business messaging integrations
Voice/VoIP and call management
Third-party API integrations
Analytics and reporting
Admin panel and user permissions
Preferred Technology
React / Next.js
TypeScript
Node.js / NestJS
PostgreSQL
Redis / background jobs
REST APIs / Webhooks
AWS
We are open to technically strong alternatives where appropriate.
Who We Need
We are open to either:
1. One highly experienced Senior Full-Stack SaaS Developer who can handle most of the platform independently.
OR
2. A small specialist team with experience covering:
Full-Stack SaaS development
Email/API automation
Communications / VoIP / SMS
Frontend/UI
Requirements
You should have proven experience building complex SaaS or web applications, not just basic websites or CRUD systems.
Experience with CRM, sales/outreach platforms, email automation, communication systems or similar products will be highly valued.
When Applying
Please provide:
2–3 relevant projects you have personally worked on
Your role in those projects
Your core technical skills
Whether you are an individual developer or a team
Estimated availability
Hourly or project-based rate
To confirm that you have read the project description, start your proposal with the exact keyword: ORBIT-27 | SaaS ARCHITECT
Proposals that do not include this keyword may be disregarded.
Please do not send a generic proposal. We are interested in developers/teams with relevant hands-on experience.
Detailed requirements and technical specifications will be shared with shortlisted candidates.
The platform will combine CRM, client management, automated outreach and multiple communication channels within one web application.
Main Areas
SaaS architecture, user accounts and subscription management
CRM and contact/lead management
Email automation, campaigns and follow-ups
Unified communication/inbox functionality
SMS and business messaging integrations
Voice/VoIP and call management
Third-party API integrations
Analytics and reporting
Admin panel and user permissions
Preferred Technology
React / Next.js
TypeScript
Node.js / NestJS
PostgreSQL
Redis / background jobs
REST APIs / Webhooks
AWS
We are open to technically strong alternatives where appropriate.
Who We Need
We are open to either:
1. One highly experienced Senior Full-Stack SaaS Developer who can handle most of the platform independently.
OR
2. A small specialist team with experience covering:
Full-Stack SaaS development
Email/API automation
Communications / VoIP / SMS
Frontend/UI
Requirements
You should have proven experience building complex SaaS or web applications, not just basic websites or CRUD systems.
Experience with CRM, sales/outreach platforms, email automation, communication systems or similar products will be highly valued.
When Applying
Please provide:
2–3 relevant projects you have personally worked on
Your role in those projects
Your core technical skills
Whether you are an individual developer or a team
Estimated availability
Hourly or project-based rate
To confirm that you have read the project description, start your proposal with the exact keyword: ORBIT-27 | SaaS ARCHITECT
Proposals that do not include this keyword may be disregarded.
Please do not send a generic proposal. We are interested in developers/teams with relevant hands-on experience.
Detailed requirements and technical specifications will be shared with shortlisted candidates.
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