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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.

Custom Java Application Development Services - ScienceSoft
Custom Java Application Development Services - ScienceSoft

Java development services enable businesses to benefit from high-performing back-end systems based on Java without hiring an in-house team of developers. ScienceSoft is ready to carry out the design, coding, maintenance, and evolution of your Java apps, ensuring a smooth delivery process that we've perfected over 120+ successful large-scale Java projects.

Your Reliable Java Development Partner

  • Practical knowledge of 30+ industries.
  • Quick project start (1–4 weeks). Rapid prototyping, fast MVP delivery (2­–6 months, depending on the software complexity).
  • Proprietary Integrated Manual and Automated Testing (IMAAT) approach.

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

ScienceSoft’s industry-focused consultants analyze your needs and deliver complete software requirements. Our project managers assess the risks and deliver pragmatic project plans with controllable costs and schedules.

Java app architecture and tech stack planning

Our architects with 7–20 years of experience design a 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 deliver complex web and mobile software based on Java, including ERPs, CRMs, EAM, PIM, EHR, ecommerce solutions, and various portals for vendors, customers, and employees.

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 deliver reliable, secure, and lovable SaaS solutions with sub-second response times: online gaming back ends, video streaming software, VoIP, messaging apps, and many more.

Java application modernization

We revamp legacy Java apps by auditing their code, updating documentation, modernizing architecture, boosting performance and security, adding mobile/web access, improving UX/UI, and more.

Java software support and evolution

We provide L1-L3 support, performance optimization, and security monitoring services for your Java software. We can also handle the continuous evolution of Java apps.

Team augmentation with Java experts

Boost your team with our Java pros. We guarantee project onboarding in under 5 days, swift team scalability (2–7 days), and proactive Java specialists who never refuse a challenge.

Our Projects

What Our Customers Say

View all customer reviews

How We Develop Java Applications

Staff augmentation










Dedicated Team/Full outsourcing








More about our Cooperation Models.

Choose Your Service Option

Cover the resource/skill gaps of your in-house team with Java developers managed by you directly.

Request staff augmentation

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.

Request a dedicated team

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.

Request project outsourcing

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.

See our sample Java app architecture

Sample architecture of Java solution


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, types of project documentation, level of reported detail, frequency of updates, timing, etc.) to each stakeholder.

Transparent service

We monitor and report 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.


KPIs to track team's productivity


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.

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.

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.

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.

All about Our Software Development