03/31/2026 updated
100 % available
Senior Backend & AI Engineer | APIs, Integrations, AWS & LLM Systems
Faisalabad, Pakistan
Only remote
Bachelor in Computer ScienceAbout me
Senior Software Engineer with 5 years of experience building AI systems, backend platforms and enterprise integrations. I work with Node.js, TypeScript, Python, AWS, LLMs, RAG and APIs, with production experience across ERP, ecommerce and logistics systems.
JavaScriptAmazon Web ServicesAmazon Elastic Compute CloudDevOpsPostgreSQLNode.jsRedisCloud ServicesNext.jsResponsive Web DesignSystems IntegrationReact.jsExpress.jsBackendFull Stack Development
Full Stack Development
Expertise in developing full-stack applications using Next.js, React, and Node.js. Proficient in creating responsive web experiences and integrating various technologies.
Database Management
Strong knowledge of database technologies including MySQL, PostgreSQL, and Redis. Experience in designing and implementing secure backend systems with data integrity.
DevOps and Cloud Services
Proficiency in DevOps tools such as Docker, Lambda, and AWS services (EC2, ECS). Skilled in implementing CI/CD pipelines for seamless deployment.
Frontend Frameworks
Proficiency in React.js, Next.js, and Tailwindcss for building modern, responsive user interfaces.
Backend Technologies
Experience with Node.js and Express.js for server-side development, including RESTful APIs and authentication systems.
Performance Optimization
Skills in improving website speed, reducing build size, and optimizing application performance using various techniques.
Testing and Quality Assurance
Knowledge of unit testing, TDD, and tools like Jest and SuperTest for ensuring code quality and reducing bugs.
Expertise in developing full-stack applications using Next.js, React, and Node.js. Proficient in creating responsive web experiences and integrating various technologies.
Database Management
Strong knowledge of database technologies including MySQL, PostgreSQL, and Redis. Experience in designing and implementing secure backend systems with data integrity.
DevOps and Cloud Services
Proficiency in DevOps tools such as Docker, Lambda, and AWS services (EC2, ECS). Skilled in implementing CI/CD pipelines for seamless deployment.
Frontend Frameworks
Proficiency in React.js, Next.js, and Tailwindcss for building modern, responsive user interfaces.
Backend Technologies
Experience with Node.js and Express.js for server-side development, including RESTful APIs and authentication systems.
Performance Optimization
Skills in improving website speed, reducing build size, and optimizing application performance using various techniques.
Testing and Quality Assurance
Knowledge of unit testing, TDD, and tools like Jest and SuperTest for ensuring code quality and reducing bugs.
Experience
Professional experience0 - 5 years
Freelancer since2020
Languages
EnglishFluent
Project history
Collaborating remotely with a US-based company, ensuring seamless communication across time zones and delivering high-quality software solutions on schedule. Proficient in utilizing Figma designs to develop fully functional Next.js 14 applications, effectively translating design concepts into high-quality, responsive web experiences.
Engineered a high-performance Lambda-based PDF converter using container images, reducing conversion time by 30%. Deployed the PDF converter as a Docker image on Amazon ECS, supporting a 3x increase in request handling during peak hours. Fostered close collaboration with product owners, iteratively improving the converter's performance, leading to a 15% reduction in bugs. Orchestrated the full development lifecycle, leveraging CI/CD pipelines for seamless deployment to AWS ECS.
Improved website speed by 25% and reduced build size by 30% using SSG, SSR, and ISR techniques in Next.js. Partnered closely with product owners, ensuring alignment of development with business objectives. Designed and developed a secure Node.js backend with PostgreSQL, ensuring data integrity using Sequelize ORM, powering a stock trading platform. Containerized applications with Docker and streamlined stock data ETL processes using Apache Nifi, reducing processing time by 40%.