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Software Engineer Stack Developer

Location:
Los Angeles, CA
Salary:
3500/month
Posted:
August 14, 2025

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Resume:

Umer Sajjad

Lead Full Stack Developer

**********.***@*****.***

Overview

Highly motivated Full Stack Engineer with 7+ years of experience crafting robust software solutions. Adept in a diverse tech stack including Node.js, Python, Ruby on Rails, JavaScript frameworks like React and Angular. Possess a strong foundation in software architecture and design patterns, consistently delivering high-quality projects on schedule. Proven problem-solver with a passion for continuous learning and staying ahead of the latest industry trends.

Technology Stack Skills

Ruby On Rails ReactJS

NodeJS JavaScript

Python - AI/ML AWS (EC2, S3, ELB, RDS)

PHP/Laravel HTML / CSS

Angular MySQL, MongoDB

Experience

Shared Services LLC, Colorado, USA

Project: Chips Loyalty

Lead Full Stack Founding Engineer - July 2023 – Present

Worked as Founding Engineer and Led the team as Senior Software Engineer in developing and maintaining an innovative consumer loyalty platform for Sharedserv, LLC (Chips Loyalty) program.

Implemented the Business Logic as it was a Startup and timely covered the new design changes.

Changed the network from Starnet API to Django network (change of tech stack)

Developed customer-facing features using Python with React and Ember.js, creating high-quality code from designs and wireframes while utilizing core software engineering concepts.

Reviewed requirements, wireframes, and designs for technical feasibility and collaborated with the scrum team to translate these into implementable user stories.

Ensured that non-functional requirements such as security, performance, maintainability, scalability, usability, and reliability were considered when architecting solutions, staying updated on new and emerging features.

Troubleshot defects and resolved issues raised by the business.

Performed complex application and integration services design and programming activities using the latest techniques such as React, Ember.js, and Python on an AWS/Cloud infrastructure.

Delivered projects with a focus on quality, adhering to continuous delivery practices through code reviews, effective automated unit testing, integration testing, and performance testing pipelines.

Provided clear technical guidance with a focus on mobile app user experience, security, and app performance integrations to increase mobile engagement.

Worked as Founding Engineer and Led the team as Senior Software Engineer in developing and maintaining an innovative consumer loyalty platform for Sharedserv, LLC (Chips Loyalty) program.

Implemented the Business Logic as it was a Startup and timely covered the new design changes. Changed the network from Starnet API to Django network (change of tech stack)

Developed customer-facing features using Python with React and Ember.js, creating high-quality code from designs and wireframes while utilizing core software engineering concepts.

Reviewed requirements, wireframes, and designs for technical feasibility and collaborated with the scrum team to translate these into implementable user stories.

Ensured that non-functional requirements such as security, performance, maintainability, scalability, usability, and reliability were considered when architecting solutions, staying updated on new and emerging features.

Troubleshot defects and resolved issues raised by the business.

Performed complex application and integration services design and programming activities using the latest techniques such as React, Ember.js, and Python on an AWS/Cloud infrastructure.

Delivered projects with a focus on quality, adhering to continuous delivery practices through code reviews, effective automated unit testing, integration testing, and performance testing pipelines.

Provided clear technical guidance with a focus on mobile app user experience, security, and app performance integrations to increase mobile engagement.

Skills: Full-Stack Development · Python · Web Technologies · React.js · JavaScript · Amazon Web Services (AWS)

Agile17

Senior Software Engineer - June 2020 – June 2023

As a Full Stack Developer at Agile17, I developed and delivered high-quality projects, both independently and as a team leader.

I created, launched, and maintained custom, highly responsive web and mobile applications using advanced technologies and various programming languages.

My responsibilities included development, debugging, optimization, and automation to support the implementation of web and mobile applications.

I managed comprehensive development tasks for client projects, encompassing end-to-end web and mobile application development, API development and integration, DevOps practices, and maintenance.

I utilized a diverse tech stack, for backend (Ruby on Rails, NodeJS) Frontend (JavaScript, ReactJS) DevOps (AWS, Azure), and Database (SQL, MongoDB, PostgreSQL) to achieve project goals efficiently and effectively.

Skills: Full-Stack Development · Ruby on Rails · Node · React.js · JavaScript · AWS · PostgreSQL

Kinectro (Pvt) LTD

Software Engineer - November 2019 - May 2020

Implemented the waterfall and agile methodology project workflow and enhanced the agile module test management, where worked modules like test case, test instance, test case instance, test steps

Implemented the PPM module, where I worked on the idea, demand, project, resource management, time-sheet management, and project task, and established the relationship between stories, sprint, epic, and theme to project management

Implemented the ROM module and ROM calculation for the demand management module

Developed and enhance the financial management system of the project where calculated the project budget, CAPEX, OPEX, risk, etc.

Created custom mobile application for the file modules such as ITSM Mobile and Mobile Agent

Designed Customer Service Portal pages. Created custom widgets

Customized the OOB Widgets, Pages, and Themes as per requirements

Service Portal custom development, specifically the portals for Customer Service Management

Skills: Full-Stack Development · Ruby on Rails · React.js · JavaScript · Node · AWS

MediaBank

Technical lead - Jan 2020 – Oct 2021

Developed full-stack code for financial apps to process and predict market trends

Maximized the efficiency and flexibility of web- and mobile-based applications

Collaborated with back-end & front-end developers, quality assurance testers, and CTO

Developed a new data processing automation system, saving time and cost

In charge for optimizing existing code, testing new releases for bugs and performance.

Integrated NoSQL databases into existing applications for performance benefits.

Technical design and implementation of application components included coordinating with other departments to integrate their components with the application correctly.

Projects:

Developer https://thingtrax.com/

Team lead https://www.lpgassociation.com/

Software Engineer https://www.lpgassociation.com/

Developer http://www.carrilho.bemind.co

Codility Solution

Software Engineer- Sep 2017 – Nov 2019

Implementation of web applications in the various framework

Implementation of front-end user experience and design in coordination with the design team

Interfacing with design and strategy teams to advise of technical possibilities

Personal Details

GitHub: https://github.com/umersajad

LinkedIn: https://www.linkedin.com/in/umer-sajjad-11b00b265/

Education

BS (Computer Science)



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