Custom Software

We are, Thinkers. Designers. Security Experts.

We apply our experience and ingenuity to the task.

AtomSage is a company located in San Diago offering a full range of custom software development services for a wide variety of verticals and business domains.


Our team of highly skilled and professional custom developers has vast experience in creating customized, robust and user-friendly web applications/solutions. We are adept at delivering solutions ranging from simple to complex web application development and are confident of providing you with the solutions that best fits your business requirements.


Whether you are a start-up or an established business, we will be happy to assist you at any and every stage of the software development life cycle: from conceptualization, business analysis and prototyping to the development and deployment of a complete solution.

Built to Work

No two businesses are alike, and no single off-the-shelf tool generally suffices. We specialize in custom development for business and communication. Employing proven technology stacks, and leveraging building blocks in our library, we design and develop tools for specific challenges.

Designed for the User

Plain and simple, good UX design makes tools usable. Everything starts with a clear understanding of the specific needs of the customer. Research and rigorous testing together with interactive prototyping, help us evolve designs that are intuitive, pragmatic and fit for the job at hand resulting in high satisfaction.

Iterative Development

We deliver prototypes and working software early and often, incorporating user feedback at every stage to refine functionality and ease of use. This cost-effective approach ensures you get the right end-product, one fully embraced by customers, both within and outside the organization.

Our Differentiates

Iterative, low-risk approach

Our Scrum methodology allows us to rapidly build complex applications, efficiently handle changing requirements, and improve the overall product quality through a rigorous QA process.

Ease-of-use and usability

Our UX experts will make sure your app is straightforward, intuitive, and easy to navigate. We typically start with UI prototyping and user flows to create meaningful user experiences.

Superior product quality

Leverage our QA and testing expertise to build a top-class product. We specialize in many types of testing and practice QA automation whenever it makes sense for the project and helps deliver results faster.

Best-in-class talent

We pride ourselves on our talent pool of professionals and continuously invest in their education and certification by industry leaders, including Scrum Alliance, Microsoft, ISTQB, Oracle, MongoDB, and others.

IPR Protection

At AtomSage, we take intellectual property rights very seriously. Upon project completion, you will be the sole owner of the codebase as well as any other project deliverable.

Rock-solid guarantees

Every contract includes guarantee clauses to ensure your project is completed on time and within budget. We also offer an 180-day warranty period designed to correct any possible defects after the project is finished.

Get in Touch

Let’s talk. We will get in touch within 1 business day. No obligation and we don’t shere your data with anyone