Superscript Systems (formerly Exilion Technologies Inc.) is a senior, U.S.-based software engineering firm that builds and operates production-grade software systems for growing companies.
We specialize in custom software development where reliability, security, and long-term ownership matter, including AI-driven platforms, fintech, payments systems, and complex integrations. Our clients work with us when internal teams need experienced engineers who can take responsibility for delivery, not just write code.
Unlike traditional dev shops, we operate as a long-term technical partner. We design systems with real-world constraints in mind: scalability, auditability, security, and maintainability. Many of the platforms we build handle sensitive data, automated workflows, and revenue-critical processes in production.
We run small, senior teams for focus and accountability, and can scale delivery responsibly when projects require it.
Our team brings deep experience across:
Custom software and platform development
Applied AI and generative AI systems
Scalability and performance optimization
Payments, financial workflows, and complex data pipelines
Cloud-native architecture and system modernization
We engage through structured time-and-materials, typically in monthly delivery cycles, giving clients flexibility while maintaining predictability through clear planning, reporting, and governance. For larger initiatives, we typically start with a short discovery / architecture phase to de-risk delivery before full build-out.
Superscript Systems is SOC 2 compliant, and we follow secure development practices aligned with enterprise expectations. Clients value our transparency, senior-level communication, and ability to operate confidently within real production environments.
If you're looking for a dependable engineering partner to build, evolve, or stabilize a critical software system, we're happy to connect.
Superscript Systems Ltd offers competitive pricing with notable value for cost. Projects range from $8,000 to $800,000, catering to various client sizes. Clients highlight effective communication and timely delivery, though some suggest better pricing for larger volumes.
Clients consistently praise Superscript Systems Ltd for their dedication to project success, demonstrating a strong commitment to understanding and achieving client goals. Their ability to adapt and expand project scopes as needed is often highlighted as a key advantage.
Challenges with Language Barriers
A few clients noted potential language barriers with some team members. However, this has generally not impacted the quality of communication or project outcomes, thanks to effective management.
Strong Communication Skills
Superscript Systems Ltd is praised for maintaining strong communication with clients, ensuring that all queries are addressed promptly and effectively. This has been a key factor in successful project outcomes.
Cost-Effective Solutions
Clients often highlight Superscript Systems Ltd's ability to provide cost-effective solutions without compromising quality. Their pricing is seen as competitive, offering good value for money.
Collaborative and Transparent Approach
Clients appreciate the company's transparency and willingness to collaborate closely, fostering a sense of partnership and trust. This openness helps in aligning on project goals and expectations.
Effective Project Management
The company is noted for its excellent project management skills. Clients mention timely deliveries and clear communication as strengths, with tools like Jira and Slack aiding in efficient collaboration.
"What makes them unique is their experience and ability to deliver an actual product."
Oct 25, 2021
CEO, Securter Systems Inc.
Steve Epstein
Verified
Other industries
Toronto, Ontario
1-10 Employees
Online Review
Verified
Superscript Systems Ltd (Formerly Exilion Technologies Inc) provides custom software development for an online payment platform. The team is responsible for building a payment system using AWS, .NET, React.Js, and more.
Superscript Systems Ltd (Formerly Exilion Technologies Inc) has developed and implemented the solution based on the client's requirements and timelines. The team makes sure to keep the client updated with the project's progress.
The client submitted this review online.
BACKGROUND
Please describe your company and your position there.
I'm the CEO of Securter Systems Inc.
OPPORTUNITY / CHALLENGE
For what projects/services did your company hire Exilion Technologies Inc, and what were your goals?
We have hired Exilion Technologies to develop our core platform - Securter Payment System.
SOLUTION
How did you select this vendor and what were the deciding factors?
We were looking for a reliable and established partner to develop our technology.
Describe the scope of work in detail, including the project steps, key deliverables, and technologies used.
They developed a product architecture, designed product UI, implemented and tested the technology. Exilion also helped with industry compliance and implementing security. Technologies used: AWS, .NET, React.js, ios&android apps
How many people from the vendor's team worked with you, and what were their positions?
The size of the team was varying from 2 to 6 team members, depending on our requirements. We worked directly with the architect and manager, development, and QA teams.
RESULTS & FEEDBACK
Can you share any measurable outcomes of the project or general feedback about the deliverables?
The product was implemented and demonstrated according to our specifications within set timeliness.
Describe their project management style, including communication tools and timeliness.
Exilion is using Jira and Confluence for project management. They shared a Kanban board with us so we could track the progress.
What did you find most impressive or unique about this company?
What makes them unique is their experience and ability to deliver an actual product.
Are there any areas for improvement or something they could have done differently?
I would have to think about those. Overall, we are very happy with the services provided.
RATINGS
5.0
Quality
5.0
Service & Deliverables
Schedule
5.0
On time / deadlines
Cost
5.0
Value / within estimates
Willing to Refer
5.0
NPS
Showing 21-21 of
21 Reviews
Our Story
Superscript Systems was built around long-term partnerships. We work as an extension of our clients’ teams, taking real ownership of delivery and outcomes. Our senior engineering teams value trust, clear communication, and steady execution, helping growing companies build and operate software they can rely on as their business evolves.
Locations (1)
112 North Flowers Mill RoadLanghorne, PA,
United States19047
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