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Custom Java Application Development
Java development services cover implementation of enterprise apps, software products, and SaaS solutions using secure, portable, and scalable Java frameworks. A Java application development company since 1998, ScienceSoft helps clients build sustainable Java-based software fast and cost-effectively.
Pre-Selecting Vendors for a Java Project?
Consider ScienceSoft as a reliable Java development company with our expertise driven by:
- 24-year experience in Java development.
- ~3000 projects completed since 1989.
- 450+ developers on board.
- > 30 Java developers.
- 10 years – the average experience of our Java developers.
What Our Java Development Services Cover
Java web development
Building secure, resilient, high-performing applications that provide functionality via internet or intranet.
Java cloud development
Building cloud-native and serverless apps that efficiently employ cloud features (elasticity, scalability, etc.) and services.
Java-based SaaS application development
Building secure SaaS products in fast quality releases while addressing the varying needs of tenants (compliance, cost, ease of use, etc.).
Enterprise Java-based applications
- Complex enterprise systems (ERP, CRM, SCM, enterprise asset management (EAM), PIM, enterprise content management (ECM), etc.).
- Industry-specific applications, e.g., EHR, online banking, POS.
- Web portals (vendor, customer, self-service, ecommerce, community portals).
- Ecommerce websites.
Java-based products
Including XaaS applications with millions of users and response of <1 sec.
- Self-service applications (including mobile banking).
- Multiplayer game back end.
- Video streaming and processing software.
- VoIP and messaging applications.
Innovative software in Java
- IoT applications for managing smart connected devices.
- Big data processing and analysis software (e.g., for IoT sensor data, customer activity, SCM events).
- Image analysis software.
- Cybersecurity applications.
Other software in Java
- Private/public APIs.
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Future-proof Java app architectures
Our Java developers build cloud-native (microservices) and cloud-only (serverless) Java apps.
Fast and stable Java app delivery
Our Java developers ensure major releases every 2-6 weeks and minor updates up to several times a day by employing mature Agile and DevOps practices.
Cooperation flexibility
- Team augmentation with Java developers and architects (from 0.5 FTE to 150+ FTE).
- Self-managed Java teams.
- End-to-end Java project delivery.
In-house project management office (PMO)
Our PMs are experienced in large complex projects with distributed teams and multiple vendors involved.
Communication flexibility
We discuss optimal ways of communicating project information (communication means, level of reported detail, frequency of updates, timing, etc.) to each stakeholder.
Transparent service
We monitor and share with you the results of:
- Achievement of set KPIs – business outcomes, quality of delivered software, code quality, development process efficiency, project time and costs (actual costs vs. budget, budget to completion vs. budget remaining, etc.), team’s productivity, and customer/user satisfaction rate.
- Use of resources (actual vs. planned).
- Acceptability of current development project risks.
CHECK SAMPLE KPIS TO TRACK TEAM’S PRODUCTIVITY
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What Our Customers Say
We have been cooperating with ScienceSoft for 5 years. ScienceSoft's team of five Java developers and one test engineer have been working hard to ensure our product - Enonic XP - exceeds our customer's expectations.
ScienceSoft's experience in agile development ensured smooth project implementation and iterative development of Enonic XP. As a result, Enonic XP has evolved into an easy-to-use and scalable platform, which is crucial for our success.
Morten Øien Eriksen, CEO at Enonic, a provider of an innovative CMS platform
ScienceSoft’s team developed a cancer detection app with business logic written in the Java programming language. Software takes necessary patient data (e.g., age, name) from a remote laboratory, transforms it from an HL7 message into R script input arguments, interprets cytometry-based diagnosis provided by the R script, and sends the diagnosis as an HL7 message to the laboratory.
In addition to the solid technical expertise shown by ScienceSoft, its developers demonstrated a profound understanding of laboratory software specifics and integrations. I am particularly impressed by the cooperative nature of ScienceSoft’s team. Our project required coordination with multiple companies and individuals. ScienceSoft worked well with everyone.
Maria Zannes, President & CEO at bioAffinity Technologies
How We Develop Java Applications
For enterprises
1
Discovery (if you don’t have a requirements specification yet)
Duration: 1 – 3 months.
- Exploring your specific business needs and pursued goals, documenting key processes to cover with future software, considering relevant regulatory constraints.
- Gathering and processing opinions, expectations, and concerns of all stakeholders.
- Structuring and prioritizing the requirements for future software based on business value.
- Analyzing risks of introducing a new software system to the existing IT infrastructure.
2
Project planning
Duration: ~ 2 weeks.
- Providing time and budget estimations for a development project.
- Conducting cost-benefit analysis, estimating NVP, ROI.
- Drawing up a project roadmap.
- Preparing a project risk management strategy.
3
Architecture, UX and UI design
Duration: 2 weeks – 3 months.
- Defining app architecture, data flows, and integration points.
- (optionally) Defining parts of your existing software that can be re-used.
- Conducting UX research, designing wireframes, prototypes, and interface mockups.
4
MVP launch (upon request)
Duration: 1 month (for the first working version of enterprise software of medium complexity).
- Designing, developing and testing the MVP.
- Assessing user feedback.
5
Development, testing, deployment
Duration: 2 weeks – 6 months for each release.
- Building new software parts.
- Testing software parts to verify their proper functioning, performance, and security.
- Employing reasonable test automation to decrease testing time and costs.
- Ensuring safe continuous releases via automated CI/CD pipelines.
6
Final setup
- Providing users access to software.
Note: (for large, complex, innovative software) A trial implementation can be conducted for a limited number of users and with extended technical support. The trial stage usually takes up to 1-3 months.
- Performing knowledge transfer about all aspects of developed software to your internal team/outsourced support team (if any).
- (if needed) Providing user training.
7
After-release support
Duration: 1 – 3 months.
- Answering after-release questions, resolving user issues (if any).
- Managing incidents, configuration changes and updates.
8
App maintenance and evolution (on demand)
Upon agreement, we take care of the performance, stability and evolution of your application after the warranty support is over.
For software companies and startups
1
Planning / project concept and definition
Duration: from 3 weeks.
- Conducting copetitors’ analysis (competitors’ product features, pricing & monetization models, customer feedback analysis, customer acquisition strategy analysis, product efficiencies and drawbacks).
- Defining barriers to enter the market (including regulatory hindrances).
Duration: from 2 weeks.
- Preparing the list of features and integrations.
- Preparing the project roadmap with major milestones.
- Defining the customer acquisition/conversion/retention strategy.
- Defining the monetization model.
2
Business case composition
Duration: from 1 week.
Conducting cost-benefit analysis, estimating NVP, ROI.
3
Architecture, UX and UI design
Duration: from 2 weeks to 3 months.
- Defining app architecture, data flow and integration points.
- Conducting UX research, designs wireframes, prototypes, and interface mockups.
Note: ScienceSoft recommends investing in the unique UI design only if it is a competitive product advantage. Otherwise, use simple design themes and focus on software functionality.
4
MVP development (upon request)
Duration: ~ 2 months.
- Designing, developing and testing the MVP.
- Assessing user feedback.
5
Development and testing
Duration: 2-3-week releases.
- Building new software parts.
- Testing software parts to verify their proper functioning, performance, and security.
- Employing a reasonable level of test automation to decrease testing time and costs.
- Ensuring safe continuous releases via automated CI/CD pipelines.
- Continuous safe minor releases via automated CI/CD pipelines.
Note: Small, well-defined projects can also be delivered in a linear mode with one release.
6
Final setup
- Providing users access to software.
Note: (for large, complex, innovative software) A trial implementation can be conducted for a limited number of users and with extended technical support. The trial stage usually takes up to 1-3 months.
- Performing knowledge transfer about all aspects of the developed application to your internal team/outsourced support team (if any).
7
After-release support
Duration: 1 – 3 months.
- Answering your after-release questions, resolving user issues (if any).
- Managing incidents, configuration changes and updates.
8
Application maintenance and evolution (on demand)
Upon agreement, we take care of the performance, stability and evolution of your application after the warranty support is over.
How We Start and Organize Cooperation
Staff augmentation
Dedicated Java team/Full Java project outsourcing
- We get your request with the skill set and FTE required.
- We send you CVs and rates of fitting Java developers.
- We schedule your interviews with potential hires.
- (optionally) Our Java developers execute your test task.
- We negotiate SLA and (on demand) suggest productivity KPIs.
- We sign the contract.
- You organize the knowledge transfer to outsourced Java developers and provide them access to the project infrastructure.
- We negotiate the communication plan between your team and outsourced resources.
- We schedule weekly and/or monthly performance evaluation reports.
- We get your RFP.
- We prepare and send our proposal with estimates of a technical solution, our approaches to development, etc.
- We negotiate SLAs and suggest project and software KPIs on demand.
- We sign the contract.
- We set up the development process, implement CI/CD implementation (if needed), and integrate with processes of other vendors (if needed).
- You transfer the responsibility for a project/project part, and we start the work.
- We regularly present relevant project status information to each stakeholder.
How We Measure and Improve Java Code Quality
Code rules and guidelines
- Following the Java style guide.
- Creating descriptive names for code variables.
- Leaving comments on what particular code functions do.
- Documenting what code (as a whole) does and what are its dependencies in a final README doc.
- Splitting code into short and focused units.
- Including unit tests.
- Keeping code portable.
- Using version control.
Code review practices
- Ad hoc review.
- Pass-around.
- Walkthrough.
- Pull request.
- Inspection.
Code quality metrics
- Maintainability index (MI).
- Cyclomatic Complexity (CC).
- Depth of Inheritance.
- Class Coupling.
- Lines of Code.
- Halstead Volume.
Opt for Risk-Free, Expert Java Development
Our Java skills are backed up by practical knowledge in 30 industries (manufacturing, healthcare, ecommerce, banking, and telecommunications, and more) and advanced tech (e.g., AI/ML, AR/VR, blockchain) to address a wide set of needs related to Java development:
- Java code review and maintenance.
- New Java app planning (conducted by industry-specific business analysts), Java framework selection, Java app architecture design.
- Custom Java development and Java product development.
- Maintenance, support, and evolution of Java applications.
- Legacy application migration to new Java versions, refactoring, re-architecting.
Hard and Soft Skills ScienceSoft Excels At
Java frameworks and extensions
Frameworks
Persistence frameworks
Servers
Platforms
Real-time data processing
Data analytics and machine learning
IoT
Azure
AWS
QA tools
DevOps
Containerization
Automation
CI/CD tools
Monitoring
Application monitoring
Meet Our Java Expert

Artem Sinitsyn
Senior Java Developer at ScienceSoft
"I’m glad Java remains one of the most popular languages, and all the major clouds provide first-class support for it in their SDKs, which greatly simplifies development and enhances our capacities.
Even serverless architecture can be easily realized in Java today. With AOT (ahead-of-time) compilation for GraalVM and numerous microframeworks, you can efficiently address a long cold start and a big distributive size."
We Have a Track of Successful Projects in Various Industries
Cover the resource/skill gaps of your in-house team with Java developers managed by you directly.
Get a self-managed Java team managed by our Team Lead to work on a Java project or its part in collaboration with your in-house team/other vendors.
Let us take care of the end-to-end Java project delivery – from project planning to programming and app support – with full responsibility for its quality and risk management.
Pricing Options for Java Software Development Services
Fixed price
Best for: Java project feasibility study, PoC, small Java projects with clear and stable requirements.
You pay the price established by a contract.
Time & Material, Time & Material with a cap
Best for: Advisory activities (business analysis, architecture design, project planning, etc.), agile Java app development and implementation, Java app evolution (introducing substantial changes or adding new functionality).
You receive the end-of-the-month invoice based on the hours or efforts reported per month (under the stated upper limit in case of T&M with a cap).
Per-ticket pricing
Best for: L1, L2 Java application support.
At the start of cooperation, we define the ticket cost, and you get charged based on the volume of incidents we resolve monthly.
Fixed monthly fee
Best for: L3 Java application support (in-code defect fixes, functional changes).
At the start of cooperation, we define the hourly rate for Java app support activities. After the service is delivered, you pay for a bunch of hours during which we’ve been providing support.
selected Projects
Opt for Fast and Efficient Java Development
Leverage our tech excellence and deep Java skills for safe, swift and financially sound Java application development.