Hafiz Talha Sultan
Full-Stack Developer

Hafiz Talha Sultan

10+ years building scalable backend services and polished front-end experiences. Based in Stockholm, Sweden.

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About

Who I Am

Full-Stack Developer with more than 10 years of experience in analyzing, designing, developing, and integrating front-end & back-end based applications.

Computer science graduate with a can-do attitude and experience building applications and solutions using Java, Groovy, Grails, Spring Boot, NodeJS, Docker, and AWS. My core competencies lie in building scalable backend services.

I am always energetic and eager to learn new skills. When I am free, I learn new tools or work on projects that capture my interest.

10+
Years of Experience
4
Companies
10+
Projects Delivered
500+
LinkedIn Connections
Skills

Tech Stack

Backend

Java Groovy Grails Kotlin Ktor Spring Boot Spring MVC J2EE Struts Hibernate NodeJS ExpressJS Hapi GraphQL RESTful API Microservices Sequelize Quartz HikariCP JWT

Frontend

ReactJS TypeScript JavaScript HTML CSS SASS/LESS Bootstrap jQuery AJAX Backbone.js ExtJS Electron

Databases

MySQL PostgreSQL Oracle PL/SQL MongoDB

DevOps & Infrastructure

Docker Jenkins Terraform AWS EC2 AWS S3 AWS Lambda AWS API Gateway AWS Cognito Route53 CloudFront RabbitMQ Tomcat Maven Gradle Git Bitbucket Jira Confluence
Experience

Work History

Full Stack Developer
Qbtech
Jan 2021 — Present Stockholm, Sweden
  • Worked on a Groovy-based system that creates assessment reports providing objective data to professionals for ADHD diagnosis and treatment.
  • Responsible for technical decision-making and helping the team.
  • Played a major role in designing and implementing the Ktor application.
  • Refactored and improved the overall quality of the codebase.
  • Managed the infrastructure in AWS.
Stack: Agile, Scrum, Grails, Groovy, MySQL, JUnit, Exposed, Ktor, Kotlin, Terraform, ReactJS, AWS, GitHub
Full Stack Developer
Northbay Solutions
Nov 2021 — Jan 2022 Islamabad, Pakistan
  • Worked on development of a NodeJS-based application using the Serverless framework.
  • Created new features, fixed bugs, and reviewed pull requests.
  • Responsible for adding and managing endpoints built with AWS API Gateway and Lambda.
  • Implemented and integrated multiple application components in NodeJS.
  • Maintained legacy features built using ReactJS.
  • Test-driven development using Jest.
Stack: Agile, Scrum, AWS Lambda, AWS API Gateway, AWS Cognito, PostgreSQL, Jest, Express.js, Node.js, Jira, Confluence
Full Stack Developer
NMX Global Software
Mar 2020 — Nov 2021 Islamabad, Pakistan
  • Worked on a Java-based product that optimises companies' R&D productivity through accurate planning, scheduling, and proven methodology.
  • Developed backend using NodeJS, Struts2, Java, Spring, and Hibernate.
  • Awarded the Excellence Award for outstanding performance, diligence, and continuous hard work.
  • Worked closely with the product manager, developers, and QA to determine problems and best practices.
Stack: Agile, Scrum, Docker, Java, Struts, TypeScript, NodeJS, GraphQL, Sequelize, Jira, PostgreSQL, Oracle, PL/SQL
Full Stack Developer
AizTek Technologies
Nov 2016 — Mar 2020 Islamabad, Pakistan
  • Developed an e-commerce solution for 100% organic botanicals and essential oils.
  • Worked on a real estate platform assisting developers throughout the property marketing, sales, and management lifecycle.
  • Built a solution for arranging funerals and memorial services, connecting customers with all required professional services.
  • Developed a product for professionals to manage, publish, and share event images with clients and guests.
  • Used Java/J2EE technologies for client-server web applications and added functionality to existing systems.
  • Front-end development using Ajax, BackboneJS, jQuery, and Bootstrap.
  • Integrations with PayPal, Zoom, InfusionSoft, and others.
  • Supervised and led a team of junior software engineers.
Stack: AWS (API Gateway, SQS, Lambda), Agile, Java, Groovy, Grails, Spring Boot, BackboneJS, JavaScript, React, Bootstrap, HTML, CSS, MySQL, PostgreSQL, RabbitMQ, RESTful API, Apache Tomcat, Linux
Projects

Notable Work

QbCheck

CE-certified medical device platform for ADHD diagnosis used across 16+ countries. Provides clinicians with objective, computer-based test data to support ADHD assessment and treatment decisions — built at Qbtech using Groovy, Grails, Kotlin, Ktor, and AWS.

qbcheck.com →

PropertyEngine

Online platform assisting real estate developers through the complete property lifecycle — marketing, sales pipeline management, and post-sale management tools.

propertyengine.com →

The Fugard

Theatre and venue management platform with integrated cinema equipment support. Handles scheduling, bookings, and operational workflows for a premier performing arts venue.

thefugard.com →

WithGrace

Compassionate platform connecting individuals with end-of-life and death management services, including pre-paid funeral plan management and professional support resources.

withgrace.co →
Education

Academic Background

Bachelor of Computer Science
National University of Computer and Emerging Sciences (FAST-NUCES)
Islamabad, Pakistan
May 2012 — May 2016
Outside Work

Interests & Hobbies

Sports

Cricket Table Tennis Badminton

Games

Dota 2 CS:GO Multiplayer
Contact

Get in Touch

Available for full-time roles and interesting projects. Feel free to reach out through any of the channels below.

hafiztalhasultan@gmail.com +46 708 777 745 LinkedIn