Ahtasham Abbas, Developer in Lahore, Punjab, Pakistan
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Ahtasham Abbas

Verified Expert  in Engineering

Full-stack Software Developer

Lahore, Punjab, Pakistan
Toptal Member Since
May 10, 2022

Ahtasham is a result-oriented, quality-driven, full-stack software engineer who excels with large‐scale enterprise‐level applications. He has delivered solutions for the fintech, blockchain, eCommerce, and custom CRM domains and is proficient in all stages of application development. The bulk of Ahtasham's experience has been with startups. He designed and developed the architecture of multi-tenant SaaS applications for startups using AWS cloud and Web3. Ahtasham has also led teams and projects.


NorthBay Solutions (an AWS Premier Partner)
React, Redux, D3.js, JavaScript, Node.js, Express.js, CI/CD Pipelines...
Node.js, React, PostgreSQL, MongoDB, Elasticsearch, Payment Gateways...
JavaScript, ECMAScript (ES6), jQuery, Bootstrap, PHP, CodeIgniter, CSS, HTML...




Preferred Environment

JavaScript, React, Node.js, TypeScript, Amazon Web Services (AWS), Serverless Architecture, Next.js, NestJS, Web App Development, OpenAI

The most amazing...

...thing I've developed is a multi-tenant SaaS product admired for its robust and scalable architecture by the AWS team.

Work Experience

Full-stack Principal Software Engineer

2019 - PRESENT
NorthBay Solutions (an AWS Premier Partner)
  • Gathered requirements, completed the architectural analysis, and implemented reusable components.
  • Collaborated with the USA-Argentina‑Pakistan cross‑functional agile team to develop 12 products built upon a single-page application (SPA).
  • Oversaw the end‑to‑end delivery of the scalable module.
  • Increased productivity by 40% by improving existing features and performance and devising new operational processes.
  • Developed the solution and architecture design and conducted code reviews, planning, interviews, and evaluations.
  • Used a Jira Kanban board and Slack while working in an Agile Scrum fashion.
  • Managed the tech backlog while leading a team of six.
  • Communicated progress to the stakeholders, including the product owner, director, and manager.
  • Played a motivational role as a team lead by removing obstacles that affected delivery to move the team into a fast-paced environment.
Technologies: React, Redux, D3.js, JavaScript, Node.js, Express.js, CI/CD Pipelines, Test-driven Development (TDD), Web Architecture, ECMAScript (ES6), TypeScript, RESTful Development, Functional Programming, Asynchronous Programming, Serverless Framework, Docker, Miro, Figma, MySQL, Amazon EC2, Next.js, Amazon Web Services (AWS), NestJS, Tailwind CSS, Git, OpenAI, Databases, Full-stack, Web Development, Amazon Route 53, CORS, Finance, Generative AI, Architecture, ChatGPT, Webhooks

Software Engineer

2018 - 2019
  • Assisted in building some of the company's crucial projects that deliver next-gen technology services to global customers.
  • Collaborated with several teams during my tenure, where I helped develop, launch, and grow the project to support thousands of users.
  • Served as an individual contributor on projects and helped build some core modules, including authentication, payment gateways, CI/CD, infrastructure monitoring, SDKs, reporting APIs, CRM, geocoding, and a CLI-based EFK stack.
  • Designed and developed the architecture of the massively multiplayer AAA game (MMOG) with low communication latency for a fast gaming experience.
  • Increased customer satisfaction from 75% to 90% by regularly reviewing customer feedback to suggest new customer service processes.
  • Managed the team and helped them with planning and architecture design.
  • Led the team and liaised with all departments, stakeholders, and customers to ensure no communication gaps in the requirements and delivery of features.
Technologies: Node.js, React, PostgreSQL, MongoDB, Elasticsearch, Payment Gateways, CI/CD Pipelines, Django, Python, ECMAScript (ES6), RESTful Development, Google Maps API, Microservices, Docker, WebSockets, Amazon EC2, Next.js, Amazon Web Services (AWS), Material UI, Git, Databases, Full-stack, JavaScript, Web Development, CORS, Finance, Architecture, Webhooks

Full-stack Developer

2017 - 2018
  • Contributed to the core project called ”digital manager” and built the multi-company solution, including accounts and inventory.
  • Guided my team, streamlined requirements, and updated the manager about the project.
  • Analyzed and modified the system, including testing and debugging.
Technologies: JavaScript, ECMAScript (ES6), jQuery, Bootstrap, PHP, CodeIgniter, CSS, HTML, SCSS, RESTful Development, MySQL, Git, Node.js, Databases, Full-stack, Web Development, React, CORS, Finance, Architecture, Webhooks

Software Engineer

2016 - 2016
  • Delivered solutions in the business management and ERP domains.
  • Built a custom business management solution with modules including accounts, quotations, inventory, an access control list, and task tracking.
  • Improved the internal reporting by contributing to the team management portal.
Technologies: JavaScript, jQuery, PHP, CodeIgniter, Bootstrap, CSS, HTML, SCSS, RESTful Development, SQL, Git, Node.js, Databases, Full-stack, Web Development, CORS, Finance, Architecture, Webhooks

Ask Cyborg

Ask Cyborg streamlines business insights with AI-generated comprehensive reports on millions of companies worldwide, saving time and resources while empowering strategic decision-making.

• Built a comprehensive data processing pipeline, covering ETL (Extract, Transform, Load) and incorporating retrieval augmented generation (RAG) functionality.
• Utilized Express, Next.js, and MongoDB for vector similarity search.
• Led architectural design discussions, implemented coding standards, and collaborated with cross-functional teams to define scalable and resilient system components.
• Designed and implemented a dynamic code generation system using ChatGPT, integrated with a bespoke mini-compiler for efficient execution.
• Collaborated with data scientists to fine-tune and optimize the ChatGPT model for enhanced natural language understanding and generation.
• Implemented logging and monitoring with tools like PM2 to proactively identify and address system issues.
• Implemented Stripe payment for secure transactions, enhancing user experience and revenue.
• Established a CI/CD pipeline using AWS Elastic Beanstalk on a customized Amazon EC2 environment and ensuring front-end deployment via GitHub workflow actions.


A leading provider of web-based tools that help law and accounting firms, corporations, and other companies more efficiently research, prepare, and draft SEC filings, corporate transactions, and various agreements within a fast-changing regulatory environment. This application was made to efficiently incorporate a data set of over ten million.

• Innovated an internal tool to improve the QC and reduce the manual effort up to 68%.
• Fostered configurable drag and drop graphical and tabular widgets on the home screen.
• Optimized the document view performance by 45% by fixing memory leakage that previously extended user time and affected user experience.
• Revamped the custom context menu.
• Integrated the new tab for the risk factor (RF) matrix by implementing orchestration.
• Worked on a complex RF matrix grid with over six types of cells while maintaining performance.
• Maintained the performance factor while working on restoring the RF matrix saved tabs.
• Designed the architecture and implemented the dynamic filter panel according to the consumer application using dependency injection, improving performance by 60%.
• Contributed to print, download, email, and Excel sales automation.


Developed a multi-tenant SaaS platform that offers complete solutions for financing and implementing ideas using the client's ecosystems. The token is the tool to connect companies dynamically with communities.

• Set up the Domain Driven Development, Test Driven Development, and atomic design patterns
• Authenticated and authorized the user with AWS Amplify
• Developed the re-useable components for custom theme
• Integrated permissions to perform certain operations assigned to specific roles
• Generated dynamic forms per tenant for compliance and contract processes
• Implemented the complete KYC process
• Integrated the multiple themes per tenant
• Increased engagement up to 55% by localizing the application in German and English.
• Wrote, maintained, and verified test cases
• Configured the CI/CD with AWS Amplify

Data Lake Accelerator

Built an in-house tool for accelerating the infrastructure deployment for a new data lake to be onboarded for cataloging and ETL purposes.

• Established the project's baseline and integrated the domain-driven architecture for the project's scalability.
• Increased customer satisfaction by 39% by combining the application's components with an atomic design pattern.
• Transpiled the Figma design into reusable components.
• Shipped the alpha release in the record time of 1.5 months and assisted with a request for six back-end resources.
• Improved the application rendering speed by virtualizing the large UI dataset.
• Deployed the monolithic application embedded inside a Django project on Elastic Beanstalk.
• Worked on the AWS API gateway (Infrastructure as a Code) to expose the back-end endpoint.
2014 - 2018

Bachelor's Degree in Software Engineering

Government College University, Faisalabad - Faisalabad, Pakistan


AWS Partner: Generative AI Essentials (Business)

Amazon Web Services (AWS)


AWS Technical Professional

Amazon Web Services


AWS Cloud Practitioner Essentials (Second Edition)

Amazon Web Services


React, Node.js, Redux-Saga, D3.js, Immutable.js, AWS Amplify, Google Maps API, React DnD, PayPal API, Stripe API, jQuery, Web3.js, Socket.IO


Git, AWS AppSync, ChatGPT, Amazon Cognito, AWS IAM, Miro, Figma, Redux Toolkit


Redux, Bootstrap, Ant Design, Next.js, Express.js, Serverless Framework, Django, CodeIgniter, Material UI, NestJS, Tailwind CSS, Bedrock


JavaScript, ECMAScript (ES6), Python, TypeScript, CSS, HTML, SCSS, GraphQL, SQL, PHP, HTML5, CSS3


Web Architecture, RESTful Development, Test-driven Development (TDD), Functional Programming, Asynchronous Programming, Microservices, Dependency Injection, Agile Project Management, Serverless Architecture, Service-oriented Architecture (SOA)


Databases, PostgreSQL, MongoDB, Elasticsearch, Amazon S3 (AWS S3), Amazon DynamoDB, MySQL


AWS Lambda, Amazon EC2, Heroku, Amazon Web Services (AWS), AWS Elastic Beanstalk, Docker


OpenAI, Full-stack, Web Development, CORS, API Gateways, Payment Gateways, CI/CD Pipelines, Serverless, SaaS, Stripe Payments, PayPal, WebSockets, Generative AI, Amazon Route 53, Finance, Architecture, Webhooks, Critical Thinking, Axios, GitHub Actions, Large Language Models (LLMs), Embeddings from Language Models (ELMo), Retrieval-augmented Generation (RAG), Web App Development

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