cover image
International Software Systems, Inc.

Full Stack Engineer

On site

New york, United states

$ 75 /hour

Senior

Freelance

26-12-2025

Share this job:

Skills

JavaScript SQL Cloud Security Salesforce CI/CD DevOps Kubernetes Azure Data Factory Test Architecture jquery angular Asp.Net SQL Server Azure react AWS Software Development cloud platforms SDLC .NET .NET Core CI/CD Pipelines Microservices Microsoft Azure

Job Specifications

***Please apply only when you have latest Microsoft/AWS certifications with 12+ years of experience***

Job Summary

We are seeking a highly experienced Senior Full Stack Developer with over 12 years of hands-on experience in designing, developing, and supporting enterprise-scale applications. The ideal candidate will have strong expertise in modern front-end and back-end technologies, cloud platforms, and microservices-based architectures, with a proven ability to deliver end-to-end solutions across the full software development lifecycle.

Required Qualifications

Bachelor’s degree from an accredited college or university in Engineering, Computer Science, Information Systems, Business, or a related discipline
12+ years of overall experience as a Full Stack Developer
Latest Microsoft / Azure certifications (preferred/required)

Technical Skills & Specialized Experience

Back-End Technologies

.NET Core, ASP.NET
RESTful API development
SQL Server and relational database design

Front-End Technologies

JavaScript, Angular, React, jQuery
Responsive UI development and cross-browser compatibility

Cloud & Enterprise Platforms

Microsoft Azure (latest services and versions)
Azure Data Factory
Cloud-native application development

Architecture & DevOps

Microservices-based architecture
DevOps practices and CI/CD pipelines
Containerization and orchestration using Kubernetes
Experience integrating with Salesforce

Key Responsibilities

Participate in and contribute to all phases of the Software Development Life Cycle (SDLC) including requirements analysis, design, development, testing, deployment, and support
Design and develop end-to-end software solutions, ensuring scalability, security, and performance
Build, test, and maintain backend services, APIs, and database components
Develop modern, responsive front-end applications using Angular, React, and JavaScript frameworks
Implement and support cloud-based applications and data pipelines using Azure and Azure Data Factory
Apply DevOps best practices for continuous integration, continuous deployment, and automated testing
Collaborate with cross-functional teams including architects, QA, DevOps, and product owners
Troubleshoot production issues, perform root-cause analysis, and deliver timely enhancements
Ensure code quality through reviews, testing, and adherence to best practices

Nice to Have

Experience working in large enterprise or regulated environments
Exposure to Salesforce integrations
Strong understanding of cloud security and performance optimization

About the Company

International Software Systems, Inc. (ISSI) stands as a prominent IT services provider in Greenbelt, Maryland. Our mission is to deliver exceptional solutions to a diverse range of clients, including Federal, State, Local, and Commercial organizations. With a remarkable history spanning 28 years, ISSI has made significant strides in the industry, establishing offices in California, Florida, and Dallas and offshore facilities in Hyderabad, India, to expand our global reach. Client satisfaction is our paramount priority at IS... Know more