
Custom Application Development for Federal Agencies
Fedstack delivers full lifecycle application development services, from greenfield projects to integration efforts for optimized results. While low-code/no-code platforms and COTS solutions are often preferred for their speed and cost-efficiency, custom application development remains essential for addressing unique challenges and specialized requirements that off-the-shelf solutions cannot meet.
Navigating the complexities of federal application development.
Compliance Requirements
Impose complex regulations and standards that must be met, which can strain resources, increase operational costs, and create difficulties in maintaining consistency and transparency across diverse departments and programs.
Legacy Systems Integration
Makes it difficult to streamline operations, share data across platforms, and adopt modern technologies, often leading to inefficiencies, security vulnerabilities, and increased costs for maintenance and upgrades.
Custom Development Needs
Require specialized solutions that can be time-consuming and costly to design, build, and maintain, often leading to delays, resource constraints, and difficulties in ensuring compatibility with existing systems and compliance requirements.
Security & DevSecOps Standards
Require the integration of robust security practices throughout the development lifecycle, which can slow down progress, demand specialized skills, and increase complexity while ensuring compliance with strict regulatory and security requirements.
Unlock the Power of Professional Application Development with Fedstack
Transform your agency’s mission-critical operations with our battle-tested custom application development services. We bring extensive federal experience delivering secure, scalable, and FedRAMP-compliant solutions that modernize legacy systems while ensuring seamless compliance with government requirements.
Our expert development teams work hand-in-hand with your stakeholders to create purpose-built applications that drive efficiency and enhance citizen services. From initial concept through ATO certification, we employ Agile methodologies and DevSecOps practices to deliver robust solutions on time and within budget.
Key differentiators:
- Deep understanding of federal security requirements including FISMA, NIST and agency specific standards
- Track record of successful deployments across civilian and defense agencies
- User-centric design approach that prioritizes accessibility and Section 508 compliance
- Cloud-native architecture leveraging approved government platforms (AWS GovCloud, Azure Government)
- Continuous monitoring and enhancement to support evolving mission needs
- Modern application development practices such as: test driven development, test automation, continuous integration and continuous delivery/deployment

Our Trusted Partners and Technologies for Application Development
Fedstack collaborates with industry-leading technology providers to ensure that federal agencies have access to the most advanced tools and platforms for custom application development. We deliver secure, scalable, and high-performing applications tailored to meet the unique needs of federal operations and innovations.
Why Choose Fedstack for Application Development?
Fedstack combines deep expertise in full SDLC delivery, modern development frameworks, and mission-critical security measures to deliver fit-for-purpose applications that empower federal agencies to achieve their mission objectives effectively and securely.
End-to-End SDLC Delivery
Full software development lifecycle services, from requirements to design and development to deployment and maintenance, tailored to federal needs.
Custom Solutions for Complex Environments
Vendor agnostic approach to greenfield development and system integration with full stack, cloud-native, and microservices architecture.
Software Development Accelerators
Leverage a suite of accelerators, including proven design patterns and reusable code snippets, to expedite the development of custom applications, enabling the delivery of high-quality, tailored solutions faster with reduced time-to-production and lower development costs.
DevSecOps Security
Security integrated throughout the development and operations process, ensuring mission-critical systems meet the appropriate security standards.
Human-Centered Design
Applications designed with user experience in mind, ensuring usability, accessibility, and increased productivity for federal employees and citizens.
Diverse Technology Stacks
Experience in a comprehensive range of technology stacks, with expertise spanning frameworks, languages and operating systems such as React, .NET, Python, Java, SQL, and other federally relevant tech stacks.
Get In Touch
Looking to build secure, custom applications for your agency? Get in touch to see how Fedstack can deliver tailored software solutions for your needs.

















