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Wahaj A.

Senior Full-stack Developer

Stockholm, Sweden

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About Me

Wahaj is a Senior Full-stack Developer with 8+ years of experience building clean and simple applications and handling front-end and back-end development, design, architecture, DevOps, and CI/CD. He provides end-to-end services to enhance features, functionalities, and components on solutions. Wahaj has a technical understanding of new concepts and technologies in aggregating standards and best practices on projects.

JavaScript 6 years Typescript 5 years Sequelize React.js 5 years Node.js 6 years Express Nest.js 2 years Python Flask Bitbucket 2 years JIRA 2 years Elastic Search 2 years Kibana 2 years AWS 6 years AWS S3 5 years ECS 2 years AWS RDS 2 years AWS Elastic Beanstalk Fargate 2 years Lambda 2 years Docker 5 years DataDog 2 years Splunk 2 years Redis 2 years Kafka 2 years MongoDB 3 years

Work history

UpStack

Senior Full-stack Developer

2022 - Present (2 years)

Remote

Creating and developing innovative software solutions for clients across a broad range of industries.
Participating in scrums consisting of cross-functional teams, both software and hardware.
Ensuring that features are being delivered efficiently and on time.

JavaScript AWS Node.js Typescript Docker React.js MongoDB ECS

Volvo Cars

Senior Software Engineer

2022 - Present (2 years)

Stockholm, Sweden

Developed a UI for the product catalog using Next.js and Material UI that is used by market editors internally.
Set up multiple Kibana dashboards to monitor system metrics and track user behavior in the product catalog UI.
Rewrote Volvo's internal user authentication service from Go to C# using .NET 7 MVC Core and then deployed it over to Azure Cloud using Azure pipelines and Terraform.

Microsoft Azure React.js C#Typescript PostgreSQL .NET Core Kubernetes Next.js Material UI Kibana Terraform Web DevelopmentAzure Pipelines Microsoft Azure Cloud Server

Klarna

Software Engineer

2020 - 2022 (2 years)

Stockholm, Sweden

Designed and implemented solutions to migrate a legacy Scala code to TypeScript, working component by component on the solution.
Wrote and deployed several web scrapers to maximize customer KPIs for the team, enhancing coverage from 70% to 80%.
Developed a new cache to improve overall system performance and collaborated with other devs to migrate and test services.

JavaScript Typescript React.js DataDog Splunk Bitbucket JIRA AWS API Gateways Jenkins Microservices Redis Kafka AWS S3 Lambda Web ScrapingKey Performance Indicators (KPIs)

Red Buffer

Senior Software Engineer

2018 - 2020 (2 years)

Islamabad, Pakistan

Designed and implemented a scalable architecture on a sports-related mobile app with real-time commentary features.
Worked on a serverless web tool for users to design custom charts in Adobe XD and delivered different solutions for the tool.
Built and deployed solutions across the stack for an AI-based content management platform to read and upload PDF reports.

React.js Node.js ECS AWS RDS Docker Gitlab Typescript Nest.js Fargate JavaScript Vue.js Elastic Search Kibana APM AWS S3 Serverless Adobe XDContent Management

DealSmash Tech

Full-stack Developer

2017 - 2018 (1 year)

Islamabad, Pakistan

Designed and launched the architecture and APIs for a mobile app, delivering the FSM pipeline to handle user receipts.
Led and influenced the development of the app loyalty program with features for users to redeem points with various vouchers.
Developed a React-based dashboard to help merchants analyze in-app purchases, run promotions, and send notifications.

JavaScript Node.js Express AWS Elastic Beanstalk AWS S3 AWS RDS ABBYYFineReader Redux-Saga React.js Redux Sequelize Python Angular Flask

CyTech Solutions Pvt Ltd

Full-stack Developer

2016 - 2017 (1 year)

Rawalpindi, Pakistan

Designed and implemented jQuery/Ajax on a web solution to enhance the webpage and the overall end-user experience.
Developed and deployed a micro-Dapper ORM into the dev process, increasing the efficiency and performance of solutions.
Developed a VoIP client using SIP.js for audio calls to a mobile phone, configuring SIP trunks and Asterisk server on the back end.

ASP.NET MVC Dapper Entity Framework jQuery Bootstrap Asterisk VoIP AJAX ORM SIP.js SIP

Portfolio

Full-stack Developer - Monarch Tracker

Designed and built a vehicle tracker app that provides real-time location of vehicles and comes with a central dashboard that plots them on a map. Influenced the design of the back-end architecture and the web dashboard, processing and providing users with real-time information on location, state, speed, mileage, and fuel status.

Full-stack Developer - RaveOn

Built a mobile application with features for real-time match commentary for several sporting events like NBA, NCAA, and UEFA competitions. Implemented back-end solutions on the app and deployed admin dashboards. It uses SportsRadar API to fetch live sporting events and broadcast them to a user's mobile phone in real time using WebSockets.

Full-stack Developer - Odin Chart

Worked on Odin Chart, a Vue.js-based data-agnostic tool that helps users design custom charts on Adobe XD. The app allows users to choose graphs and charts like pie, donut, line, and area to visualize data uploaded in CSV format or copy-pasted. Implemented a parse server on the back end to write and update data to the database.