Who We Are

International Software Systems, Inc. (ISSI) is an award-winning software development and IT support services provider. With CMMI Level 3 appraisal and certifications in ISO 9001:2015 and ISO 27001:2022, ISSI delivers a comprehensive range of Software Development Life Cycle (SDLC) solutions tailored to client needs. Our commitment to excellence ensures high-quality, timely, and cost-effective IT solutions. By combining skilled talent, streamlined processes, and advanced technologies, we help clients achieve digital transformation and sustained success.

Software Development

We bring a full suite of Software Development Life Cycle (SDLC) capabilities to our Clients.              

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Our Products

ISSI delivers scalable, end-to-end enterprise solutions across diverse domains, including healthcare, environment, education, and the public sector.

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Professional Services

We deliver and exceed our customers' expectations by deploying highly qualified resources.

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Explore Our Services

Project Management

ISSI’s strategic support of the PMO office is driven by PMBOK standards, consistently resulting in structured, integrated, and high-quality deliverables for complex projects.

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Methodologies Leveraged

ISSI leverages methodologies such as Waterfall for monolithic legacy systems, while modernizing systems using the Hybrid, Agile and DevOps methodologies.

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Enterprise Software Engineering

Business Analysis

Design and Development

Change and Configuration Management

Web Development

Mobile Applications Development

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Enterprise IT Modernization

ISSI has modernized countless near-obsolete legacy systems in different agencies reengineering business processes and replacing unsupported technologies with newer ones for scalability and reliability.

Business Intelligence & Reporting

Cloud Computing & Migration

Data Management, Mining, & Analytics

Design & Development

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IV & V and QA

ISSI’s independent verification & validation (IV&V) services offer standard practices founded on Institute of Electrical and Electronics Engineers (IEEE) standard (IEEE Standard 1012-2004). ISSI's IV&V Processes offer assessment, analysis, measurement, inspection, and testing of software systems, products and processes.

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508 Compliance

As a recognized partner of multiple federal clients, 508 Compliance is a key component of our IT solutions, which encompass specialized 508 consulting, assessment, and testing.

ISSI specializes in delivering the following 508 services:

Evaluating accessibility needs and determining priorities

Implementing necessary changes and helping guide customers through the process

Incorporating accessibility requirements to maintain compliance

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Infrastructure Maintenance

ISSI supports the maintenance of infrastructures comprising hardware, software, servers, storage, and networks. ISSI regularly assesses its organizational assets to ensure alignment of organizational IT assets for business resiliency and efficiency:

Application Monitoring & Maintenance

IT Network & Help Desk Support

Maintenance & Support

Training & Documentation

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Professional Services

ISSI offers staffing services, connecting top-tier talent with leading organizations across diverse sectors. We focus on delivering customized staffing solutions that align with each client's needs. By integrating expertise in talent acquisition, streamlined processes, and cutting-edge technology, we help our clients optimize their workforce, enabling them to concentrate on driving their core business growth while outsourcing their staffing challenges to us.

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Infrastructure Maintenance & Support

ISSI's fundamental infrastructure layer includes what customers would commonly consider traditional computing products such as workplace and datacenter systems, as well as management software. These products are designed to enhance the functionality of standard hardware. Additionally, a range of services is available to improve the deployment and upkeep of these products. ISSI's infrastructure maintenance is top-notch, meeting high-quality standards and optimizing efficiency through a cohesive team effort rather than a fragmented approach. Customers can expect excellent availability and efficiency from our maintenance services.

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Offshore Staff Augmentation Support

ISSI's staff augmentation services extends to countries like Canada, Mexico, India and Ireland.

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Our Contract Vehicles

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Our Certifications

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Testmonials

"Working with ISSI has been an absolute game-changer for R&B Corp. Their expertise in IT resources, staffing, and staff augmentation Solutionswithin the software field is unmatched."


Pallavi G,

President & CEO,

R&B Corp., Catonsville, MD

"ISSI provided services to us in the area of software development, documentation and manual writing, acquisition of computer equipment, troubleshooting, training and management, and planning of computer activities."

Shyam Choudhry,

Deputy Director,

Housing and Building Technology, Herndon, VA

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Our Clients

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