Software Product Engineering

Custom Software App Development Services

Unlock the full potential of your business with our bespoke software app development services. At Ossisto365, we pride ourselves on delivering tailor-made solutions that cater to your unique requirements.

Our team of skilled developers works closely with you to understand your business goals, analyze your processes, and design custom software applications that streamline operations and drive growth.

With expertise across a wide range of technologies and industries, we deliver high-quality, scalable, and user-friendly applications that enhance productivity, optimize efficiency, and create seamless user experiences.

Experience the power of custom software app development with us and take your business to new heights.

Inuitive and Custom Mobile App Development Services


Ossisto365 provides expert consulting services to assess application alignment with business goals, manage time constraints, and mitigate risks. We develop comprehensive strategies for modernization or fresh builds, architecture decisions, migration tools, UX improvements, and compliance requirements.


Our team of Cloud Architects ensures highly optimized designs with cloud-native microservices or serverless architecture. We excel in Docker and Kubernetes containerization and API development to extend functionality and integrations.

Application Modernization

Ossisto365 specializes in refactoring legacy applications to microservices architecture, enabling seamless integration in modern IT ecosystems. Our services cover lift-and-shift to the cloud, rip-and-replace for end-of-life apps, and API-based extension, improving usability, security, and maintainability.

Application Development

Leveraging proprietary frameworks and Agile DevOps practices, Ossisto365's engineers build high-performance microservices-based applications. Containerization and Kubernetes expertise ensure efficient delivery with TDD specifications.

Technical Design Document

We provide clear and comprehensive documentation capturing system architecture, required components, and data migration processes in the Technical Design Document (TDD).


Ossisto365's experienced designers create visually stunning designs that offer seamless user experiences and consistent interfaces across platforms, prioritizing user needs.

Software Testing

Our testing services include comprehensive functionality, security, integration, compatibility, performance, data migration, and UI/UX testing, with options for on-site, off-shore, or hybrid engagement models.

Support & Maintenance

Ossisto365 offers ongoing support and maintenance services, ensuring smooth operations, regular updates, and upgrades for optimal availability and performance of applications and services.

Our Dev Process for Custom Application Development Services


Conduct a detailed analysis of project requirements, objectives, and constraints to gain a deep understanding of the development scope.

Framework Selection

Evaluate and select the most suitable development framework based on project needs, considering factors such as scalability, flexibility, and industry best practices.

Iterative Development

Employ an iterative development approach, breaking the project into manageable milestones and continuously refining and enhancing the software based on feedback and testing.

Version Control

Implement robust version control systems, such as Git, to track changes, collaborate efficiently, and maintain a stable codebase throughout the development process.

Code Review

Regularly conduct thorough code reviews to ensure adherence to coding standards, identify potential bugs or performance issues, and enhance code quality and maintainability.

Deployment and Maintenance

Deploy the developed software in the target environment and establish a robust maintenance plan to monitor performance, apply updates, and address any issues that arise during production use.

Unlock the power of technology and drive your business forward with Ossisto365. Contact us today for a transformative partnership!

The Ossisto 365 Advantage in Web Application Development Services

Future-proof architecture

Our focus on innovative technological trends ensures flexible and scalable application architecture that adapts to evolving technology needs.

Accelerated time to market

We follow the agile model to deliver apps quickly, aligning with client's business strategies.

Flexible microservices

Our decoupled microservices architecture allows seamless integration of third-party tools and applications to enhance functionality.

End-to-end solutions

With full stack capabilities, we support clients through every step of the SDLC across various technologies and platforms.

Excellence in testing and UX design

Dedicated centers ensure high-quality, user-centric products that stand out from the crowd.

Secure cloud solutions

We address security concerns at code, delivery, and deployment levels to deliver robust cloud-based solutions.

What Our Clients Say….

We have partnered with Ossisto for 2 years now and they are fabulous! I highly recommend Ossisto! They do what they say they are going to do and are extremely friendly, competent and hard working. Totally a great company!
John Palmisano
Palm Health Resources
I've been a client for over a year. Always meticulous execution, timely delivery and they bring solutions to problems that otherwise would slow me down. Communication is always spot-on. I highly recommend them!
Ruth Mannschreck
Shoreline Strategies, LLC
This is a Company that has your "back". We sing praises for the professional services of this business for handling emails, and for tasks that small business must tend to as they grow their businesses. Excellent service!
Susan P Johnson
Insurance Producer
Very happy with the service that Ossisto has provided. The team is very responsive and prides itself on making the client happy. They are professional, courteous and I would use their services as I need in the future
Betsy Jacob
Right Balanced Living

Take the first step towards success, contact us now to revolutionize your business with our cutting-edge solutions!


The development timeline varies based on project complexity and scope. We work closely with clients to define realistic timelines, ensuring timely delivery without compromising quality.

Yes, we specialize in seamless integrations. Our team will analyze your existing systems and design the software to be compatible, ensuring smooth data flow and enhanced functionality.

Security is a top priority. We follow industry best practices, conduct thorough code reviews, employ robust encryption techniques, and address security at both code and deployment levels to safeguard your software from potential vulnerabilities.

We offer comprehensive support and maintenance packages tailored to your needs. Our services include regular updates, bug fixes, performance monitoring, security patches, and technical assistance to ensure your software runs smoothly and stays up to date.

Yes, we understand that requirements may evolve. We have a flexible approach to accommodate changes and additions during the development process. We collaborate closely with clients, providing transparent communication and adapting to evolving needs while managing the impact on timelines and costs.

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