Full Stack Engineer

Open to full-time
Bio

Hassan A is a Full Stack Engineer with over 10 years of experience designing and building scalable, cloud-native applications across web, mobile, and distributed systems. He specializes in using technologies such as Node.js, Express.js, NestJS, Django, and FastAPI to architect microservices-based platforms. Hassan also develops modern frontend applications with React.js, Next.js, Redux, and TypeScript. His work incorporates high-performance backend systems and RESTful APIs supported by databases like PostgreSQL, MySQL, and MongoDB, utilizing AWS services and Docker for cloud and DevOps integration. At StoreHero, Hassan developed a Rate Limit Manager to efficiently process high request volumes, optimizing performance by migrating authentication and quota checks to Redis. At TeamingWay, he integrated Microsoft Calendar and improved conference video calling, enhancing user experience. Hassan holds a Bachelor of Science in Computer Science from the National University Of Computer And Emerging Sciences (FAST), Karachi. He is best suited for roles involving complex system design and technical leadership in cloud-native application development.

Expertise
Node.jsRuby on RailsMongoDBJavaScriptPythonReactAWSTypeScriptReact NativeFast APIKubernetesJenkinsGitHTMLCSSPHPWordPressAngularNext.jsSQLRelational DatabaseDocument DatabaseDatabase Caching
Video Intro
Assessments
APPLICANT AVG · 54%HASSAN · 93%0255075100TopASSESSMENT SCORE (0–100)
  • Implement LRU Cache AlgorithmMedium
  • Real-Time Dashboard in ReactMedium
Projects

StoreHero

Developed a Rate Limit Manager to efficiently process high request volumes, enforcing quotas per service-caller. Optimized performance by migrating authentication and quota checks to Redis.

Mosaik

Worked on diverse projects involving LLM-powered applications, full-stack development, and microservices.

RAG-Youtube

Worked on diverse projects involving LLM-powered applications, full-stack development, and microservices.

AGENT-Weather-Update

Worked on diverse projects involving LLM-powered applications, full-stack development, and microservices.

TOBi (NEMT)

Worked on collecting real-time location updates from drivers and sending them to a third party for compliance purposes.

Brainingcamp

Worked on diverse projects involving LLM-powered applications, full-stack development, and microservices.

TeamEDA

Worked on understanding the current system and revamping it using cutting-edge technologies.

Vetifly

Worked on diverse projects involving LLM-powered applications, full-stack development, and microservices.

FastFast

Worked on diverse projects involving LLM-powered applications, full-stack development, and microservices.

Teamingway

Worked on integrating the Microsoft Calendar into the application and improving conference video calling.

Stringr

Applied watermark on video via FFmpeg library and provided filtered search results.

Experience
  1. Associate Software Architect

    Khired NetworksJun 2025Jan 2026
    • Design and implement scalable, secure, and cloud-native architectures
    • Collaborate with cross-functional teams to translate business requirements into technical solutions
    • Optimize performance and reliability
    • Mentor development teams
    JavaScriptNodeJSPythonFastAPIDockerAWSRedisPostgreSQL
  2. Module Lead

    Taazaa IncJan 2023Feb 2024
    • Supervised and collaborated with a team of 4 software engineers
    • Developed and maintained a multi-tenant web application
    • Designed an automated testing system
    • Implemented an efficient and fault-tolerant cache model
    NodejsAngularFirebasePostgreSQLRedisRabbitMQ
  3. Backend Developer

    Vetifly TechnologiesFeb 2022Jun 2022
    • Communicate with global team members
    • Work with development teams and product managers
    • Design server-side architecture
    NodejsNestJsAWSMySQLRedisDockerTesting (Jasmine)CI/CD (Jenkins)Sendgrid
  4. Senior Software Engineer

    TeamingWay Inc.Jun 2021Jan 2022
    • Designing and Maintaining Code for frontend/backend
    • Leading and helping the team members
    • Collaborating with a team of 5 people
    ReactNodejsReact NativeDjangoMySQLJWTRedisRabbitMQTypescriptDockerTDD/Test-Driven DevelopmentMicroservicesCI/CDUnit TestingAWSGCPMongoDBJitsi
  5. Software Engineer

    Tenpearls Pvt LtdJun 2015Sep 2019
    • Full lifecycle application development
    • Designing, coding, and debugging applications
    • Maintaining and documenting software functionality
    Ruby On RailsAngularNodeJSPostgreSQLGraph DatabaseHerokuAWSDockerGit
  6. Founder

    KeepfootwearOct 2019Nov 2020
    • Understanding client requirements
    • Creating website designs
    • Handling social media campaigns
    HTMLCSSPHPWordPressGoogle-AddsFacebook-Adds
Education
  1. Bachelor Of Science (Computer Science)

    National University Of Computer And Emerging Sciences (FAST), KarachiKarachi2011 — 2015
Similar developers

We have moreWith similar skills.

Other vetted developers with similar skills and experience

Usman A.
Usman A.

Full Stack Engineer

0-2 Years of Experience

MongoDBGraphQLGitJavaScript
Joel O.
Joel O.

Full Stack Engineer

0-2 Years of Experience

Vue.jsNode.jsMongoDBGit
Muhammad A.
Muhammad A.

Full Stack Engineer

0-2 Years of Experience

JavaPythonJavaScriptNode.js
Ogbonna E.
Ogbonna E.

Full Stack Engineer

0-2 Years of Experience

Nigeria
BashPythonC++SQL
Javaria M.
Javaria M.

Full Stack Engineer

0-2 Years of Experience

MongoDBNode.jsSQLCSS
View all

Full Stack Engineer

4+ years experience

14 days risk-free trial · No commitments · We handle contracts and payroll