Backend & Cloud Engineering

Java & Spring Boot Development

Enterprise-grade backend systems built on a platform your IT team trusts.

Typical timeline: 8-16 weeks depending on integration scope
Category: Backend & Cloud Engineering
Engagement: Fixed-scope phases
You receive: Code, data & documentation

Java remains the standard in enterprise environments for good reasons: mature tooling, strong typing, dependable transaction handling and a large hiring pool. Where your organisation already runs Java, or where procurement requires it, Spring Boot is the pragmatic choice.

The problem

Enterprise requirements that lighter stacks do not satisfy

Larger organisations have constraints beyond functionality: on-premises deployment, integration with legacy systems, approved technology lists, and internal teams who will maintain the system afterwards. Building outside those constraints creates a system nobody will own.

You will recognise this if

Your technology policy or client contract specifies Java
The system must integrate with existing enterprise applications or message brokers
Internal developers who will maintain it are Java engineers
Multi-step financial transactions require rigorous consistency guarantees

What you get out of it

The difference this makes

Fits your existing environment

Deploys into infrastructure your team already operates and integrates with enterprise systems through supported, well-documented paths.

Transactional integrity

Mature transaction management and a strong type system suit financial and multi-step operations where partial failure is unacceptable.

Maintainable by your team

Conventional Spring structure and a large talent pool mean your own developers, or a successor vendor, can take it over.

Security with proven components

Spring Security provides authentication, authorisation and session handling that has been examined far more thoroughly than anything bespoke.

What we build

Spring Boot REST services with layered architecture and clear boundaries
Spring Data JPA with Hibernate and Flyway or Liquibase migrations
Spring Security: JWT, OAuth 2.0, LDAP or Active Directory integration
Transaction management for multi-step business operations
Message-driven integration with Kafka, RabbitMQ or JMS
Scheduled batch processing with Spring Batch
Testing with JUnit 5, Mockito and Testcontainers
Actuator health checks and metrics for enterprise monitoring
Deployment as a container or traditional application server artifact

How it gets used

A financial services backend

Transactional operations with strict consistency, full audit logging and integration into existing core systems.

An enterprise integration layer

A service layer exposing clean APIs over legacy applications so new front ends can be built without touching the old systems.

A high-volume batch process

Scheduled Spring Batch jobs processing large data volumes with restart, skip and error reporting built in.

Technology we typically use

You do not need to care about this list — but your next developer will.

Java 21
Spring Boot 3
Spring Data JPA
Spring Security
PostgreSQL / Oracle / SQL Server
Kafka / RabbitMQ
Maven or Gradle
Docker

Timeline: Typically 8-16 weeks depending on integration scope

Questions

Java & Spring Boot Development — common questions

Something else on your mind? Ask us directly — it is usually faster than reading.

Should we choose Java or Python for a new system?

Java when you have existing Java infrastructure, enterprise integration needs, a Java team to maintain it, or a procurement requirement. Python when you want faster iteration, AI and data workloads, or a smaller operational footprint. Both are solid; the deciding factor is usually your environment rather than the technology.

Can you modernise our existing Java application?

Yes. Upgrading older Spring or Java EE applications to current Spring Boot, adding tests and containerising for deployment is common work. We assess and plan it incrementally rather than proposing a rewrite.

Can it be deployed on our own servers?

Yes. On-premises deployment is well supported, either containerised or as a conventional artifact, with monitoring endpoints your operations team can consume.

Businesses that need this often need one of these as well.

REST API DevelopmentWell-designed, documented APIs that other systems can rely on.Application ModernizationBring an ageing system up to date without stopping the business.Database Architecture & DesignGet the data model right, because everything else depends on it.Docker, Kubernetes & DevOpsContainerisation and orchestration, used where it genuinely helps.

Thinking about java & spring boot development?

Tell us about your situation. We will tell you whether this is the right service, what it would involve, and roughly what it would cost.

Get a free consultation