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Senior Full Stack Engineer with 8+ years of experience building and scaling consumer and B2B products in healthcare, AI, and SaaS startups. I specialize in React, Node.js, Python, and iOS (Swift), with hands-on experience designing APIs, shipping MVPs fast, and productionizing AI features including LLM-powered chat and automation workflows. I’ve worked closely with founders and designers to take products from 0→1, optimize performance and reliability, and prepare platforms for scale. I’m highly comfortable in fast-moving, mission-driven environments and can deliver a high-quality MVP within aggressive timelines.…Senior Full Stack Engineer with 8+ years of experience building and scaling consumer and B2B products in healthcare, AI, and SaaS startups. I specialize in React, Node.js, Python, and iOS (Swift), with hands-on experience designing APIs, shipping MVPs fast, and productionizing AI features including LLM-powered chat and automation workflows. I’ve worked closely with founders and designers to take products from 0→1, optimize performance and reliability, and prepare platforms for scale. I’m highly comfortable in fast-moving, mission-driven environments and can deliver a high-quality MVP within aggressive timelines.

Muhammad Zarq Khan

Full Stack Developer, Developer, AI Engineer, +5

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Senior Full Stack Engineer with 8+ years of experience building and scaling consumer and B2B products in healthcare, AI, and SaaS startups. I specialize in React, Node.js, Python, and iOS (Swift), with hands-on experience designing APIs, shipping MVPs fast, and productionizing AI features including LLM-powered chat and automation workflows. I’ve worked closely with founders and designers to take products from 0→1, optimize performance and reliability, and prepare platforms for scale. I’m highly comfortable in fast-moving, mission-driven environments and can deliver a high-quality MVP within aggressive timelines.…Senior Full Stack Engineer with 8+ years of experience building and scaling consumer and B2B products in healthcare, AI, and SaaS startups. I specialize in React, Node.js, Python, and iOS (Swift), with hands-on experience designing APIs, shipping MVPs fast, and productionizing AI features including LLM-powered chat and automation workflows. I’ve worked closely with founders and designers to take products from 0→1, optimize performance and reliability, and prepare platforms for scale. I’m highly comfortable in fast-moving, mission-driven environments and can deliver a high-quality MVP within aggressive timelines.

Available to hire

Senior Full Stack Engineer with 8+ years of experience building and scaling consumer and B2B products in healthcare, AI, and SaaS startups. I specialize in React, Node.js, Python, and iOS (Swift), with hands-on experience designing APIs, shipping MVPs fast, and productionizing AI features including LLM-powered chat and automation workflows. I’ve worked closely with founders and designers to take products from 0→1, optimize performance and reliability, and prepare platforms for scale. I’m highly comfortable in fast-moving, mission-driven environments and can deliver a high-quality MVP within aggressive timelines.

Skills

Experience Level

Expert

Expert

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Expert

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Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Javanese

Advanced

Bashkir

Advanced

English

Fluent

Work Experience

Full Stack Python Engineer at Nexologics USA

October 1, 2020 - Present

Spearheaded development of real-time, AI-enabled analytics dashboards improving client decision accuracy by 15%. Engineered RESTful APIs and backend services in TypeScript, reducing application latency by 40%. Led a 10-person engineering team achieving 98% on-time delivery and 99% code quality compliance. Integrated machine learning models using Python to enhance user insights, increasing customer retention by 22%. Automated CI/CD pipelines with Azure DevOps and Docker, reducing deployment time by 40%.

Team Lead - Full Stack Engineer at Join Smartly USA

September 30, 2020 - August 6, 2025

Directed migration from monolithic to microservices architecture, improving scalability and reducing load times by 20%. Enhanced platform throughput by 25% by optimizing backend services and implementing advanced caching. Built interactive React-based dashboards enabling real-time e-commerce analytics, increasing UX engagement. Integrated Stripe and PayPal payment gateways via REST APIs, improving transaction success rate by 35%. Mentored junior developers on best practices in scalable system design and API security.

Associate Software Engineer at Cloud Pacer USA

November 1, 2018 - August 6, 2025

Delivered 20+ full-stack web applications for SMEs, enabling digital transformation across retail and logistics sectors. Developed real-time dashboards using TypeScript and React for business analytics and KPI tracking. Created custom web scraping tools with Python, automating data acquisition and saving approximately 120 manual hours monthly.

Full Stack Python Engineer at Nexologics USA

October 1, 2020 - Present

Spearheaded development of real-time, AI-enabled analytics dashboards that improved client decision accuracy by 15%. Engineered RESTful APIs and backend services in TypeScript, reducing application latency by 40%. Led a 10-person engineering team with 98% on-time delivery and 99% code quality compliance. Integrated machine learning models using Python to enhance user insights, increasing customer retention by 22%. Automated CI/CD pipelines with Azure DevOps and Docker, reducing deployment time by 40%.

Team Lead - Full Stack Engineer at Join Smartly USA

September 30, 2020 - September 10, 2025

Associate Software Engineer at Cloud Pacer USA

November 30, 2018 - September 10, 2025

Full Stack Python Engineer at Nexologics USA

October 1, 2020 - Present

Led development of real-time, AI-enabled analytics dashboards; designed RESTful APIs and backend services in TypeScript; managed a 10-person engineering team with 98% on-time delivery and 99% code quality. Integrated machine learning models in Python to enhance user insights, boosting customer retention by 22%. Automated CI/CD pipelines with Azure DevOps and Docker, reducing deployment time by 40%.

Team Lead - Full Stack Engineer at Join Smartly USA

September 1, 2020 - September 10, 2025

Directed migration from monolithic to microservices architecture, improving scalability and reducing load times by 20%. Enhanced platform throughput by 25% through backend optimizations and advanced caching. Built interactive React-based dashboards enabling real-time e-commerce analytics. Integrated Stripe and PayPal payment gateways via REST APIs, improving transaction success rate by 35%. Mentored junior developers on scalable system design and API security.

Associate Software Engineer at Cloud Pacer USA

November 1, 2018 - September 10, 2025

Delivered 20+ full-stack web applications for SMEs, enabling digital transformation across retail and logistics. Developed real-time dashboards using TypeScript and React for business analytics. Created Python-based web scraping tools, automating data acquisition and saving ~120 manual hours monthly.

Senior Full-Stack Software Engineer at NexologicS

October 1, 2020 - Present

Owned and evolved cloud-native platform services, providing end-to-end ownership from architecture and deployment to monitoring, automation, and reliability. Collaborated with product, SRE, and database teams while operating independently with high-level guidance.

Team Lead / Full Stack Engineer at Smartly Led

November 1, 2018 - Present

Joined Smartly Led development of a multi-tenant SaaS API platform, serving external customers and internal product teams. Designed API-first microservices architecture with ownership of service reliability, scalability, and maintainability. Built relational data schemas and implemented event-driven workflows; established production-readiness standards and collaborated with stakeholders to align engineering with product goals.

Software Engineer at Cloud Pacer

December 1, 2015 - Present

Built and maintained full-stack web applications used by SMB clients in retail and logistics. Contributed across frontend, backend, and database layers. Implemented RESTful APIs and data persistence with relational databases; supported production deployments and improved system reliability.

Senior Full-Stack Software Engineer at Nexlogics

October 1, 2020 - Present

Designed and maintained TypeScript-based backend services and APIs to manage application lifecycle, configuration, and infrastructure workflows. Architected cloud deployment pipelines using Docker, Kubernetes, and Infrastructure as Code. Built reliable, observable production systems with logging, metrics, and alerting; modeled PostgreSQL schemas; automated CI/CD and provisioning; collaborated with product/SRE/backend engineers; documented decisions via runbooks and technical design docs.