services - full stack - java
Java full stack development that scales.
Spring Boot and Java EE backends paired with a modern frontend, delivered by one accountable engineering team instead of two vendors handing off a codebase.
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definition
What is Java full stack development?
Java full stack development pairs a Java backend -- usually Spring Boot or Java EE -- with a modern frontend framework like React or Angular, built by one team that owns both the server-side logic and the interface, instead of a Java shop and a frontend agency working from different specs.

key takeaways
Searches for "java full stack developer" run around 8,920 a month in the US alone, among the highest-demand full-stack variants we track.
Full-stack developers earn a median $130K in the US, with 69% of surveyed developers working full-time (Stack Overflow Developer Survey 2024).
JavaScript remains the most-used frontend language at 62.3% of all developers (Stack Overflow, 2024), the layer most Java backends connect to.
You don't need to have picked React or Angular before you talk to us; we recommend a frontend based on your teams existing investment, not a default we happen to prefer.
// why teams standardize on Java for the backend
Why do enterprise teams still standardize on Java for the backend when newer languages exist? Type safety at scale, a mature ecosystem of libraries for exactly the enterprise problems large organizations run into, and a hiring pool that does not evaporate the moment a specialist leaves. The tradeoff shows up on the frontend: Java itself is not what renders the interface, so the backend and frontend need a team that treats the seam between them as part of the architecture, not an afterthought bolted on after the API is done.
-- java full stack, in numbers --
median US salary for full-stack developers, with 69% of surveyed developers employed full-time
src - Stack Overflow Developer Survey 2024US searches for "java full stack developer" -- enterprise teams standardizing on the JVM ecosystem are actively evaluating vendors
src - Google Keyword Planner via state/tier-assignment.csvof all developers use JavaScript for the frontend layer that pairs with a Java backend, the most-used language for over a decade running
src - Stack Overflow Developer Survey 2024what's included - five
What our Java full stack team actually does.
Five capabilities, one goal: a Java backend and a frontend that were built together, not stitched together.
- 01
Spring Boot backend engineering
REST APIs, service layers, and database access built on Spring Boot, the framework most enterprise Java teams already standardize on.
- 02
Frontend paired to your Java backend
React or Angular wired directly to your Java services, chosen against your teams existing frontend investment, not a default pick.
- 03
Legacy Java modernization
Older Java EE or Struts applications assessed and modernized in place, keeping what works and replacing only what is holding you back.
- 04
Database design and integration
Schema design and ORM configuration (Hibernate, JPA) built for the query patterns your application actually runs, not a generic template.
- 05
CI/CD and cloud deployment
Build and deployment pipelines for your Java application on AWS, Azure, or your existing infrastructure, tested before they touch production.
method
How does a Java full stack engagement actually work?
A Syndell Java full stack engagement runs four stages: a stack and architecture review, parallel backend and frontend development, integration and QA, and deployment with ongoing support.
- 01
Stack and architecture review
// outcome
-> an honest read on your current Java stack and where a modern frontend needs to connect to it
- 02
Backend and frontend build
// outcome
-> Spring Boot services and frontend interface built in parallel by the same team
- 03
Integration and QA
// outcome
-> both layers tested together against real data, not just unit-tested in isolation
- 04
Deployment and support
// outcome
-> shipped to production with a maintenance plan for framework upgrades and security patches
recent work
Java backends that hold up under real load.
clutch: 5.0/5 - google: 4.9/5
- enterprise
Enterprise web application
a permissioned, multi-team system built for scale beyond a single department
read - case - transportation
Transportation and fleet management system
real-time tracking and centralized tools built for operations at scale
read - case
"Syndell's commitment to making a seamless software for us was impressive."
what to expect
What a Java full stack engagement looks like
Scope tracks whether you are extending an existing Spring Boot service or building a new application from scratch, and how much of the frontend needs to be built alongside it. We do not quote a flat number blind. What you get: a stack review, a Java backend and frontend built by one team, and a deployment plan that does not leave you guessing who owns what.
the practice
Standardizing on a JavaScript stack instead? See our MERN stack development practice, or our frontend development team if your Java backend is already stable and only the interface needs work. Bring a developer directly onto your team through hire full stack developers. See the complete full stack development practice this engagement draws on.
frequently - asked
About Java full stack
development.
01What is Java full stack development?
Java full stack development pairs a Java backend -- typically Spring Boot or Java EE -- with a modern frontend framework like React or Angular, built and maintained by one team across both layers instead of a backend vendor and a separate frontend contractor.
02Do you work with our existing Java codebase, or only build from scratch?
Both. Most engagements extend or modernize a Java application that is already running rather than replacing it outright. We audit the existing codebase first and tell you honestly what is worth keeping before recommending a rebuild.
03Which frontend do you pair with a Java backend?
React and Angular most often, chosen against your teams existing frontend investment and hiring pool rather than a default we happen to prefer. If you are already running Angular company-wide, we build in Angular.
04How much does Java full stack development cost?
It comes down to scope: extending an existing Spring Boot service is a fraction of what a new full-stack Java application from scratch runs. Published rate cards tend to mislead more than they help, so we skip them -- book a call for a real estimate against your requirements.
05Can your Java team handle legacy Java EE or Struts applications?
Yes. Legacy Java modernization is one of the more common ways this engagement starts -- assessing an older Java EE or Struts codebase and modernizing it in place, alongside the new frontend work, rather than a full rewrite from day one.
-- next issue - your java stack --
Start your Java full stack engagement.
Tell us what your Java backend already runs -- we'll tell you honestly what it takes to pair it with a modern frontend.