Muhammad Moiz

Senior Software Engineer with 7+ years of experience building and scaling SaaS products across FinTech, InsureTech, E-commerce, EdTech, VoIP, and Workforce Management platforms. Experienced in full-stack architecture, real-time communication, offline-first mobile systems, and third-party integrations, delivering high-performance applications serving thousands of users across the Middle East, US, and global markets.

Senior Software Engineer at CodeForce (2026-03 – 2026-06)

• Re-architected authentication flows and the native Android SIP layer (Kotlin), integrating Linphone SDK and FreeSWITCH, SIP-over-TCP communication to improve call reliability.
• Led React Native upgrade (v0.73 → v0.86, New Architecture/Fabric), resolving build failures and improving performance by ~40%.
• Built real-time VoIP calling and chat using Socket.IO and custom native modules.
• Established production observability via Sentry and refactored a key module from 5,500+ to 1,800 lines for maintainability.

Senior Software Engineer at Xenia (2024-09 – 2026-02)

• Led end-to-end development of a mobile-first SaaS platform supporting 15K+ daily active users across distributed enterprise environments.
• Collaborated on AI-powered operational reporting, intelligent template summaries, and natural language insights by integrating frontend workflows with backend AI services, improving reporting efficiency and decision-making.
• Directed React Native modernization (v0.68 → v0.73), resolving 150+ breaking changes and reducing crash rates by 50%.
• Coordinated front-end architecture and backend integrations to enable scalable, offline-first data synchronization using PowerSync + SQLite.
• Implemented centralized monitoring using Sentry, decreasing crash recurrence by 20% through structured production monitoring and incident resolution.
• Standardized state management and technical design practices across the codebase, improving maintainability and engineering throughput by 40%.

Senior Software Engineer at DigitalTolk (2023-07 – 2024-09)

• Led full-stack architecture supporting UK market expansion with scalable configuration and multi-environment deployment strategies.
• Engineered GitLab CI/CD pipelines, reducing deployment time by 60% and improving release stability across staging and production.
• Directed mobile release automation using Fastlane and CodePush, achieving 99.8% deployment reliability.
• Designed and implemented scalable RESTful backend services using Laravel and Node.js, improving booking system performance by 30%.
• Collaborated with product, QA, and backend teams throughout the SDLC lifecycle to ensure scalable and maintainable system evolution.

Applications Engineer II at Next Generation Innovations (2020-01 – 2023-07)

• Designed and implemented a distributed microservices architecture using NestJS and gRPC, improving backend scalability by 45% and reducing service latency.
• Led full-stack development for fintech and social platforms, exceeding 100K+ downloads.
• Integrated real-time communication systems (chat, voice, video) using CometChat SDK for an education platform, boosting engagement by 60%.
• Architected secure Stripe payment integrations, enabling compliant multi-market financial transactions.
• Deployed and maintained backend services on AWS with structured logging, monitoring, and fault isolation practices.
• Mentored 5+ engineers, formalized code review standards, and introduced unit testing practices, reducing defects by 25%.

Software Engineer at Xord (2019-09 – 2020-01)

• Developed a full-stack multi-vendor e-commerce application using React.js, Node.js, Express.js, and MongoDB, implementing frontend features, RESTful APIs, backend business logic, and database integrations.
• Built MERN-based blockchain administration tools, implementing Redis caching for dashboard analytics across 1M+ records, reducing API response times and improving operational efficiency by 35%.

Software Engineer at Capazyte (2018-12 – 2019-08)

• Developed full-stack web and mobile applications using React, React Native, and Node.js while building internal tools that reduced manual processing by 30%.
• Supported CI/CD pipelines and ensured stable production deployments.

Bachelor of Science in Computer Science – University of Karachi (2016-01 – 2019-12)