AI-Powered SDR Platforms

The Story

The client partnered with FiftyFive Technologies to design and build an autonomous Sales Development Representative (SDR) platform. The goal was to automate prospecting, outreach, and scheduling while ensuring compliance, scalability, and market differentiation. FiftyFive deployed a dedicated engineering team specializing in MERN stack, AI/ML, and cloud solutions to deliver a platform integrating OpenAI models, real-time data sources, and CRM ecosystems. The engagement focused on achieving business growth by aligning advanced AI with secure, enterprise-grade architecture.

The client is a SaaS innovator delivering AI-driven sales automation solutions, targeting global enterprises with hyper-personalized outreach, seamless CRM integrations, and GDPR-compliant access to 700M+ B2B contacts.

Amit Jangid

Founder & CTO

Challenges

• > Training AI models for accurate business profile interpretation and personalized email generation.

• > Scaling and maintaining a 700M+ B2B contacts database with real-time query performance.

• > Enabling seamless integrations with diverse CRM and calendar tools.

• > Implementing continuous analysis of LinkedIn profiles and external business datasets.

• > Ensuring GDPR/ISO compliance with end-to-end encryption and security audits.

• > Building trust in autonomous SDR automation while balancing hyper-personalization with automation.

The solution

• > Applied MERN stack with React.js, Node.js, Express, and MongoDB for scalable, modular development.

• > Integrated OpenAI APIs for NLP-driven email personalization and lead analysis.

• > Built microservices-based architecture with load balancing and real-time data streaming.

• > Deployed AWS (EC2, S3, RDS) in European data centers for GDPR compliance and scalability.

• > Developed secure APIs for CRM and calendar integrations.

• > Conducted regular penetration testing and encryption audits to ensure compliance and data security.

• > Delivered project through a cross-functional team of MERN developers, AI/ML engineers, and cloud specialists.

The outcome

The platform delivered measurable business impact, enabling up to 6x more meetings and 8x higher conversions. By combining AI-driven personalization with scalable architecture and compliance-first engineering, FiftyFive empowered the client to increase outbound efficiency, build trust in global markets, and achieve faster revenue growth.