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<alkwar.com/en/services/java-spring-back-end
SERVICE 06 / 12

Java back-ends that stay maintainable.

We design and build APIs and services with Spring Boot, Spring Data, Spring Security and Spring Cloud, on PostgreSQL or MongoDB, with tests and observability from day one.

Typical timeline8–16 weeksfor a first production release
StackJava · Spring Boot · Spring Data · PostgreSQL
How it is hiredA fixed-price project, or a dedicated squad for large platforms.Compare engagement models →
01 / THE PROBLEM

The back-end is the part nobody wants to touch.

<Business rules are scattered across controllers, triggers and scripts.
<Every change breaks something that had no test.
<Performance problems only show up in production.
02 / HOW WE SOLVE IT
01

Model the domain

Entities, rules and APIs agreed before the first line of code.

02

Build the services

Spring Boot services with clear layers, migrations and contract tests.

03

Secure and observe

Spring Security, audit logs, metrics and traces from the start.

04

Deploy and hand over

Containers, CI/CD and documentation your team can run.

03 / STACK AND TIMELINE
Java LTS · Spring BootSpring Data · JPASpring SecuritySpring CloudPostgreSQL · MongoDBKafka · RabbitMQ
Typical timeline · 8–16 weeks
W1–2Domain & API design
W3–14Build
W15–16Hardening & handover
<OrderController.java
01// Thin controller: rules in the service, data through Spring Data
02@RestController
03@RequestMapping("/orders")
04@RequiredArgsConstructor
05class OrderController {
06 private final OrderService orders;
07
08 @GetMapping("/{id}")
09 OrderView get(@PathVariable UUID id) {
10 return orders.find(id).orElseThrow(NotFoundException::new);
11 }
12}
WHY TEAMS TRUST US
NDA firstWe sign your NDA before we see a line of your code.
Your IP100% of the code and intellectual property belongs to you.
LGPD & GDPRPersonal data handled under Brazilian and EU law.
Day-one accessRepository and board shared from the first day.
Weekly demosWorking software shown live every week.
A WGB Soluções de Software company · Santa Rita do Sapucaí, Brazil
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CONTACT

Have a project with a deadline?

Send us your requirements. We come back with a scope, a timeline and a fixed price.

WHAT HAPPENS NEXT
Day 0A 30-minute call with a tech lead. We sign your NDA first if you need it.
Day 1A written summary of the call and our open questions.
Days 3–7A proposal with scope, timeline, team and a fixed price.