Custom Web Application Development Services
Custom Coding Is Quality-Assured with ScienceSoft
Having created 1,900+ web apps, ScienceSoft is an expert in translating business-specific goals and needs into unique functionality of custom web applications.
Through interviews and process analysis, we build a deep understanding of what app your business needs and lay out a detailed description in a functional specification.
Our talented UX and UI designers can create from scratch or refresh your app to make it look like brand-new – super convenient and stylish.
Creating a custom web app involves a lot of coding and testing. That’s exactly what we love and do expertly for 24 years already.
Does your web app need to exchange data with other systems (also legacy and custom-built)? Manual data transfer is out of the question – trust us to plan and set up integrations between systems to automate data flows.
Whatever reasons for migration you have, we’ll create a custom web app that solves your current problems, be it poor app scalability or costly maintenance of a legacy system.
Having ScienceSoft for web app support is really convenient – we can cover all tasks to improve your app, from monitoring and troubleshooting to evolving it with new features.
We will eagerly join your web development team to bring specialized skills and deeper expertise or help speed up the project progress.
Let’s Discuss Your Particular Case
Our web development team is ready to solve any problem you are facing.
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Certified in-house Scrum Masters to ensure in-time and on-budget delivery. |
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A full-scale project management office to handle web development projects of any scale and complexity. |
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DevOps engineers skilled in IaaC and CI/CD approaches. |
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Integration and database architects with 7-20 years of experience. |
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Mature quality management system in line with ISO 9001 guidelines. |
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Data security practices, acknowledged by ISO 27001. |
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HIPAA, GAMP, PCI DSS compliance. |
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KPI systems to ensure transparency and reliability. |
Creating Custom Web Apps for the Most Diverse Goals
We can create robust web apps for corporate use and SaaS products. Here is a map with areas of our most solid web development expertise:
Business apps for internal use
Apps for customer management
Industry-specific apps
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We started our web development journey in 1999. And it has been really exciting – web technologies were developing by leaps and bounds, and we kept up with the pace.
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Over these 24 years in custom web app development services, we have released 1,900 web apps.
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Our business analysts are familiar with the specifics of 30+ industries – typical challenges, possible barriers and applicable regulations. This helps us expertly plan the features, deliver apps safely and ensure their full compliance.
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As for now, we have a web development team of 200+ back-end and 40+ front-end developers. Clients who have worked with our custom web application developers speak highly of their programming expertise and the ability to find the solutions that don’t overcomplicate the logic and UX of apps.
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Our full list of awards is too long to share here, but let us mention the most recent ones. In 2022, ScienceSoft was included in top 3 of Web Development Companies in the USA. The same year, our Java development competencies were highly praised in the list of Top Java Development Companies.
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ScienceSoft is a partner to leading technology companies.
Technologies We Use
Back-end programming languages
Practice
19 years
Projects
200+
Workforce
60+
Our .NET developers can build sustainable and high-performing apps up to 2x faster due to outstanding .NET proficiency and high productivity.
Practice
25 years
Projects
110+
Workforce
40+
ScienceSoft's Java developers build secure, resilient and efficient cloud-native and cloud-only software of any complexity and successfully modernize legacy software solutions.
Practice
10 years
Projects
50+
Workforce
30
ScienceSoft's Python developers and data scientists excel at building general-purpose Python apps, big data and IoT platforms, AI and ML-based apps, and BI solutions.
Practice
10 years
Workforce
100
ScienceSoft delivers cloud-native, real-time web and mobile apps, web servers, and custom APIs ~1.5–2x faster than other software developers.
Practice
16 years
Projects
170
Workforce
55
ScienceSoft's PHP developers helped to build Viber. Their recent projects: an IoT fleet management solution used by 2,000+ corporate clients and an award-winning remote patient monitoring solution.
Practice
4 years
ScienceSoft's developers use Go to build robust cloud-native, microservices-based applications that leverage advanced techs — IoT, big data, AI, ML, blockchain.
Front-end programming languages
Languages
Practice
21 years
Projects
2,200+
Workforce
50+
ScienceSoft uses JavaScript’s versatile ecosystem of frameworks to create dynamic and interactive user experience in web and mobile apps.
JavaScript frameworks
Practice
13 years
Workforce
100+
ScienceSoft leverages code reusability Angular is notable for to create large-scale apps. We chose Angular for a banking app with 3M+ users.
Workforce
80+
ScienceSoft achieves 20–50% faster React development and 50–90% fewer front-end performance issues due to smart implementation of reusable components and strict adherence to coding best practices.
By using a lightweight Vue framework, ScienceSoft creates high-performant apps with real-time rendering.
Platforms
Practice
14 years
Projects
25+
Workforce
10+
A certified Microsoft partner, ScienceSoft creates CRM and ERP solutions powered by Dynamics 365 and optimizes most effectively a range of business operations.
Projects
10+
ScienceSoft achieves at least 20% increase in sales and 30% improvement in case resolution with well-thought-out and business-tailored Salesforce solutions.
Practice
15 years
Projects
100+
Workforce
20+
Solid expertise in SharePoint services has earned ScienceSoft a place in Clutch’s list of Top SharePoint Developers in 2023.
Practice
12 years
A certified ServiceNow partner, ScienceSoft offers a proprietary 4-level implementation model that helps deliver the best value from ServiceNow adoption.
Databases and storages
Our Microsoft SQL Server-based projects include a BI solution for 200 healthcare centers, the world’s largest PLM software, and an automated underwriting system for the global commercial insurance carrier.
Azure SQL Database is great for handling large volumes of data and varying database traffic: it easily scales up and down without any downtime or disruption to the applications. It also offers automatic backups and point-in-time recoveries to protect databases from accidental corruption or deletion.
We leverage Azure Cosmos DB to implement a multi-model, globally distributed, elastic NoSQL database on the cloud. Our team used Cosmos DB in a connected car solution for one of the world’s technology leaders.
We use Amazon Redshift to build cost-effective data warehouses that easily handle complex queries and large amounts of data.
We use Amazon DynamoDB as a NoSQL database service for solutions that require low latency, high scalability and always available data.
We’ve implemented MySQL for Viber, an instant messenger with 1B+ users, and an award-winning remote patient monitoring software.
Our Experience in Advanced Technologies
The Financial Times Includes ScienceSoft USA Corporation in the List of the Americas’ Fastest-Growing Companies 2023
For the second year in a row, ScienceSoft USA Corporation ranks among 500 American companies with the highest revenue growth. This achievement is the result of our unfailing commitment to provide high-quality IT services and create best-value solutions that meet and even exceed our clients’ expectations.

Is Custom Web Development Costly?
This is one of the most frequent concerns about custom development. We asked Vadim Belsky, our Head of Web Development Department, to clarify if this concern is grounded:
I cannot share a precise cost estimate that will suit any project. Nobody can, as app types are so numerous and projects are so different. Very roughly, I can say that the cost of a customer-facing web portal starts at $70,000, and the cost of enterprise web apps ranges anywhere from $50,000 to $200,000 depending on the scope and complexity of supported functions. Whether it is costly or not – each company decides for itself. But I can say with certainty that we advocate custom development only if our meticulous business analysis proves a custom web app to be the most feasible solution for a company, even cost-effective in the long run.
Service Options You May Choose From
Custom web application development services is your choice if you want to automate enterprise workflows or create a customer-facing app exactly the way you envisage. 24 years as a custom web app development company, ScienceSoft will help you get an application fully tailored to your business needs.
All Application Services
Services
Database Software
Web Development
Application Integration
Maintenance and Support
Mobile Development
Web Design
Application Migration