Java Application Development Services
A unique blend of Java skills and industry knowledge
With 25 years in Java development and a team of 750+ IT professionals, ScienceSoft is a trusted one-stop shop for all Java initiatives.
Java development services cover the creation and improvement of enterprise apps, software products, and SaaS solutions using secure and scalable Java frameworks. ScienceSoft expertly helps clients plan, build, support, modernize and evolve Java apps fast and safely. Our portfolio includes 120+ successful large-scale Java projects.
Superbcompanies Includes ScienceSoft in the List of Top Java Development Companies 2022
Superbcompanies examined ScienceSoft's service offering, performance, expertise, achievements, growth speed and recognized our high competence in delivering quality Java consulting and development services.
What Our Java Development Services Cover
Business analysis and Java project planning
Our industry-focused consultants assess business and user needs and prepare a detailed software requirements specification. Our project managers outline the project budget and schedule, risks and their mitigation plan, and take full responsibility for the quality of the deliverables.
Java app architecture and tech stack planning
Our architects with 7–20 years of experience design secure, scalable, resilient and high-performing architecture for your Java app, compare alternative techs and define the best fitting ones.
Java web and mobile development
We professionally implement even the most complex web and mobile Java projects. Our portfolio includes ERPs, CRMs, SCM apps, enterprise asset management (EAM) apps, PIM apps, EHR systems, vendor, customer, self-service and ecommerce portals.
Java cloud development
We build cloud-native and serverless apps that efficiently employ cloud features (elasticity, scalability, etc.) and services.
Java-based SaaS application development
We build secure SaaS products (including apps with millions of users and the response of <1 second) in fast, quality releases while addressing the tenants' needs (compliance, cost, ease of use, etc.). Our SaaS projects include multiplayer game back end, video streaming and processing software, VoIP and messaging applications.
Java application modernization
We thoroughly investigate your legacy application code and infrastructure, restore documentation, describe and implement the improvements that can help increase the value of your old apps. These improvements can include updating application architecture and tech stack, code refactoring, optimizing app performance and availability, enhancing security, enabling web and mobile access, improving the look and feel, enabling CI/CD and DevOps, optimizing operations costs, and more.
Java software support and evolution
We provide L1, L2, and L3 support for your Java software as well as performance optimization, compliance management, and security monitoring services. We also ensure the continuous evolution of your Java software, which may include adding AI, AR/VR, IoT, blockchain, and other advanced modules.
Team augmentation with Java experts
Our Java developers can eliminate Java staff shortage or specific Java skill deficiency in your development team. We guarantee: onboarding in under 5 days, fast and easy scale up and down (2 days – 1 week), developers who are proactive and open to challenges.
Is Java Still Relevant in 2023?
Despite being 28 years old, Java is still in great shape. More than 90% of Fortune 500 companies use this language, and the TIOBE Index names Java among the Top 5 of the most popular programming languages in the world.
In 2018, Java switched to a 6-month new release cycle, which makes the Java community at the leading edge of innovation. The language is commonly used to deliver big data, IoT, blockchain, and artificial intelligence solutions.
Your Reliable Java Development Partner
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How We Develop Java Applications
Staff augmentation
Dedicated Team/Full outsourcing
Learn about our Cooperation Models.
What Makes ScienceSoft a Favourite Java App Developer
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.
selected Projects
We Have a Track of Successful Projects in Various Industries
How We Measure and Improve Java Code Quality
Code rules and guidelines
- Java style guide.
- Descriptive names for code variables.
- Splitting code into short and focused units.
- Comprehensive unit tests.
- Keeping code portable.
Code documentation and organization
- Comments on what particular code functions do.
- Documenting what code (as a whole) does and what its dependencies are in a final README doc.
- 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.
Learn more about our approach to quality management.
Technology ScienceSoft Excels At
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.
Choose Your Service Option
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.
Our Blog About Java Programming

The Essence of Reactive Programming in Java
Check our quick overview of reactive programming to tackle common misconceptions, understand how it works in Java application development and what benefits it brings in real life.

Microservices Architecture Explained with a Java Example
Let’s use a real-life Java-based example to explore how microservices are built and what benefits a microservices architecture brings to the application.

Akka Microservices: Valid Reasons You May Love Them
Let’s explore how the combination of ‘reactivity’ and Akka actors works for microservices architecture in Java application development.