Michael Phiri

Available to hire

Experience Level

Expert
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Language

English
Fluent

Work Experience

Software Engineer II at Sellfire
September 1, 2025 - October 6, 2025
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
June 1, 2024 - October 6, 2025
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
May 1, 2023 - October 6, 2025
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.
Junior Software Engineer
December 1, 2021 - October 6, 2025
Early career software development role focusing on building intuitive, high-performance applications and learning modern backend/frontend technologies.
Back-End Engineer at Sellfire
September 2, 2025 - September 2, 2025
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
June 30, 2024 - June 30, 2024
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
May 31, 2023 - May 31, 2023
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.
Junior Software Engineer at Riarts
December 31, 2021 - December 31, 2021
Early-career software engineer contributing to multiple projects, collaborating with cross-functional teams to deliver features and fix issues in a fast-paced environment.

Education

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Qualifications

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Industry Experience

Software & Internet, Professional Services

Experience Level

Expert
Expert
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Expert
Expert
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Expert
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