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You will get Java Authorization server for mobile or web application

Roman N.Status: Offline
Roman N. Roman N.
5.0
Top Rated
Preview image

Let a pro handle the details

Buy Web Application Programming services from Roman, priced and ready to go.
Roman N.Status: Offline
Roman N. Roman N.
5.0
Top Rated
Preview image

Let a pro handle the details

Buy Web Application Programming services from Roman, priced and ready to go.

Project details

We are an experienced team in Web and mobile development. We have implemented authorization with different customer needs (in basic - outh2.0+ framework) and fit different requirements/challenges during the registration flow or the next authorization. Our huge experience will help us to prepare extra improvement if your task/idea needs extra development. We will do our best to match all your requirements.
Programming Languages
Java, TypeScript, Kotlin
Coding Expertise
Performance Optimization, Security
What's included
Service Tiers Starter
$1,650
Standard
$2,100
Advanced
$2,450
Delivery Time 3 days 5 days 10 days
Number of Revisions
357
Number of Pages
222
Design Customization
Content Upload
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Responsive Design
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Source Code
Optional add-ons You can add these on the next page.
Fast Delivery
+$350 - $600
5.0
6 reviews
100% Complete
(6)
1% Complete
(0)
1% Complete
(0)
1% Complete
(0)
1% Complete
(0)

RH

Raza H.
5.00
Nov 28, 2025
Setup java based booking system on my server and run it smoothly

VM

Volodymyr M.
5.00
Jun 25, 2025
Full Stack Development for e-Commerce JavaScript Vue Spring Boot Roman completed our tasks very professionally. He is attentive to detail, responsible, genuinely cares about the results, and is always available. I would be happy to work with him again. Highly recommended.

VB

Valerio B.
5.00
Mar 15, 2025
Spring Boot 3.x Monitoring Library - Real Case Scenario

VB

Valerio B.
5.00
Feb 1, 2025
Spring Boot 3.x Monitoring Library - Real Case Scenario

AN

Andrii N.
5.00
Oct 4, 2024
The user registration and authorisation for Android and iOS applications Roman successfully completed the project according to the requirements. Before starting the implementation, he prepared a detailed work plan. In a short period of time, he gained a deep understanding of the business needs and proposed effective solutions. Great job!
Roman N.Status: Offline

About Roman

Roman N.Status: Offline
Full Stack | Backend development | Java | SpringBoot | AI | API
100% Job Success
5.0  (6 reviews)
Prague, Czech Republic - 8:33 pm local time
👋 Hi there! I’m an experienced Full-Stack Engineer / Senior Java Developer / Team Lead with over 10 years of hands-on experience building scalable web and mobile applications across multiple domains, including ✔️ e-commerce, ✔️ FinTech, ✔️ SaaS, and more.

Let`s move faster to your goals with my ready-to-go integrations:
🚀 AI: ChatGPT, Llama, Mistral, etc. - business flow acceleration & facilitation
🚀 Eleven Labs - voice recognition, voice-to-text AI
🚀 Stripe card transfers
🚀 ChatGPT AI - text, AI-generated images
🚀 Machine vision - AI for images
🚀 Zoom - voice and video calls

My Specialization:
✅ Java experience 10 years: Widely utilizing recent Java features, including Lambdas, Stream APIs, DateTime APIs, and Functional Interfaces.
✅ Frontend: JavaScript, Node.js, TypeScript, Vue.js.
✅ AI integration, Computer vision, LLM training.
✅ Java EE: RESTful Services, SOAP Services, JPA, Hibernate, API Integration etc.
✅ Spring experience 10 years: Spring Core, Spring Boot, Spring Data, Spring Cloud, etc.
✅ Other "frameworks": Keycloak authorization, JHipster, Swagger, Liquibase, Axon, Vaadin
✅ SQL Databases experience over 10 years: PostgreSQL, MySQL, MariaDB, Oracle
✅ NoSQL Databases: MongoDB, Redis, Hazelcast
✅ Message Broker: Kafka and Zookeeper
✅ Firebase messaging
✅ Message Queues: ActiveMQ & RabbitMQ.
✅ ELK: logstash, elasticsearch, kibana
✅ Testing: JUnit, Spring Test, Mockito, Integration Test, Unit Test.
✅ Versioning: GIT, GitHub, BitBucket, GitLab etc
✅ DevOps: Jenkins, Docker, Kubernetes, CI/CD
✅ Hands-on design, development, implementation, and optimization of the application.
✅ Apply software engineering best practices incl. design review, code review, and refactoring.
✅ Experienced with the full Software development life cycle (SDLC) including gathering requirements, development (design, coding, debugging), testing & deployment

I’m excited to contribute and help drive maximum impact for your project 🚀

Steps for completing your project

After purchasing the project, send requirements so Roman can start the project.

Delivery time starts when Roman receives requirements from you.

Roman works on your project following the steps below.

Revisions may occur after the delivery date.

create new source code repository

add implementation, cover with tests

add all required implementation, cover with tests

Review the work, release payment, and leave feedback to Roman.