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Sajjad Tareen

@sajjadtareen

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Lead Software Engineer with expertise in scalable web applications.

Pakistan

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What I'm looking for

I am seeking a role that fosters innovation and collaboration, allowing me to leverage my technical skills while contributing to impactful projects in a dynamic environment.

I am a Lead Software Engineer with 4 years of experience at Systems Ltd, where I have successfully delivered scalable web applications, microservices, and low-code platforms for notable clients such as Etisalat and Digicell. My journey has been marked by a commitment to architecting robust solutions and leading teams to meet high-scale demands, consistently achieving top performance metrics.

Throughout my career, I have rapidly adapted to new challenges, honing my skills in DevOps and client communication. My leadership style emphasizes collaboration, driving impactful results while fostering a culture of innovation. I take pride in my ability to manage complex projects, ensuring seamless deployments and enhancing user experiences through thoughtful design and architecture.

Experience

Work history, roles, and key accomplishments

Current

Consultant

Current

Systems Ltd

Jan 2024 - Present (1 year 6 months)

Currently serving as a Consultant, contributing to various projects and client solutions. Previously held roles as Junior Consultant and Associate Consultant, gaining diverse experience in software development and client engagement.

Client Communication Software Development Project Management Technical Consulting Problem Solving

Current

Lead Platform Engineer

Current

Neutrinos

Dec 2023 - Present (1 year 7 months)

Led a team of 5 developers to architect Reels, a ruleset management platform, handling millions of requests per second for integration and MDM APIs. Designed a master data management service with MongoDB-like query filter APIs, reducing data retrieval time from minutes to milliseconds using optimized DB schemas and Redis caching.

TypeScript PostgreSQL RabbitMQ Redis Kubernetes Helm Jenkins MongoDB

Senior Software Engineer

Neutrinos

Sep 2023 - Present (1 year 10 months)

Developed a low-code BPM platform, implementing BPMN process import, git toolbar, and editor window management framework. Led a team of 3 engineers on an epic, designing features and ensuring clear requirement communication.

BPMN Framework Git Architectural Design Team Leadership Low Code

Senior Software Engineer

Neutrinos

Feb 2023 - Present (2 years 5 months)

Engineered undo/redo functionality across editors using action history stacks, ensuring seamless user experience in a MEAN stack low-code platform. Built an in-app debugger with Chrome DevTools Protocol and Monaco Editor, enabling low-code debugging with source maps.

Unix Sockets MEAN stack Chrome DevTools Monaco Editor UNIX Sockets Named Pipes

Full-Stack Developer

Digicell

Nov 2022 - Present (2 years 8 months)

Developed a web portal for a mobile wallet application, managing 15 microservices with Angular, Node.js, PostgreSQL, AWS Lambda, and SQS. Designed scalable microservices architectures, ensuring robust integration and performance under tight deadlines.

Angular Node PostgreSQL AWS Lambda SQS Microservices KYC OTP Verification

Frontend and Data Engineer

Etisalat

Apr 2022 - Present (3 years 3 months)

Served as the sole frontend engineer for a data-heavy low-code KPI application using Angular, Java, MySQL, Denodo, and Cognos. Collaborated with clients to design data architectures, enhancing KPI generation efficiency.

Angular Java MySQL Denodo Cognos Frontend Development Data Architecture KPIs Data Engineering

Frontend Team Lead

Visionet

Jan 2022 - Present (3 years 6 months)

Led a team of 3 developers and 1 UI designer, achieving 90%+ Lighthouse scores for SEO and performance via server-side rendering in Angular. Designed frontend architecture for scalability, earning client praise for leadership and technical excellence.

Angular Server Side Rendering SEO Optimization Frontend Architecture Team Leadership UI Design

Full-Stack Developer

Systems Ltd

Sep 2021 - Present (3 years 10 months)

Developed an online code editor and compiler using Angular, Node.js, Express, Microsoft SQL Server, and Judge API. Designed team management and registration features with database optimization, quickly learning microservices and message queues.

Angular Node Express Microsoft SQL Server Judge API Message Queues Microservices Database Optimization

Education

Degrees, certifications, and relevant coursework

Ghulam Ishaq Khan Institute

Bachelor of Science, Computer Science

2017 - 2021

Activities and societies: Relevant coursework: Data Structures,Algorithms, Database Systems, Software Engineering, DevOps, Blockchain

Relevant coursework included Data Structures, Algorithms, Database Systems, Software Engineering, DevOps, and Blockchain. This program provided a strong foundation in core computer science principles.