Michael Phiri

Software Engineer II at Sellfire

Led backend services for an AI-enabled Sales Machine using TypeScript, GraphQL, AWS, Twilio, PostgreSQL, and Prisma. Migrated call recording infrastructure from Twilio storage to AWS S3 with configurable retention, reducing storage costs. Implemented an LLM-powered script adherence rating system, boosting call center performance and productivity. Optimized high-traffic queries and workflows, integrated with Salesforce and HubSpot, and deployed serverless AWS solutions. Designed GraphQL APIs with AWS AppSync for real-time data sync. Coordinated with global teams in a remote setting.

Software Engineer I at Rapptr Labs

Contractor for Sellfire Software Engineer. Contributed to backend services and platform integrations using TypeScript, GraphQL, AWS, Postgres, Prisma, and Twilio. Improved Twilio SMS and call integrations and client-facing systems to enhance reliability and reduce costs. Translated product goals into scalable technical solutions and supported incident triage.

Senior Software Engineer at Riaparts

Hybrid Software Engineer - Full Stack. Built and scaled backend services; improved database queries and reliability; integrated external data sources; led platform features with GraphQL, AWS, serverless architectures; collaborated across time zones.

Early career software development role focusing on building intuitive, high-performance applications and learning modern backend/frontend technologies.

Back-End Engineer at Sellfire

Developed and maintained backend services for a sales enablement platform hosted remotely. Collaborated with cross-functional teams to ensure high reliability and performance across distributed environments; implemented data integration and workflow orchestration to support product features.

Raptor Labs Contractor at Sellfire

Contributed as a contractor to Sellfire projects via Raptor Labs, delivering backend and full-stack improvements and coordinating with remote teams to ensure timely delivery and alignment with product goals.

Software Engineer at Riarts

Played a role in full-stack software engineering at Riarts, contributing to backend and frontend development across projects and adopting scalable practices in a hybrid work setting.