Need a reliable backend system that can scale with your business? I build secure, high-performance applications using Java, Kotlin, and Spring Boot with clean architecture and production-ready engineering practices.
I'm a Java Developer, Kotlin Developer, and Backend Developer specializing in Spring Boot Development, REST API Development, and Full-Stack Development. I build scalable Web Applications, SaaS Platforms, and enterprise backend systems designed for performance, security, and long-term maintainability.
My main expertise is Java Backend Development and Kotlin Backend Development using Spring Boot, Spring Framework, Hibernate, and modern software architecture principles. I help businesses build reliable backend systems, secure APIs, and scalable applications that can grow with their users.
Clients choose me when they need a Java Developer, Spring Boot Developer, or Backend Developer who understands not only coding but also software architecture, scalability, security, and building production-ready systems.
What You Can Expect
✔ Expert Java Development and Spring Boot Development
✔ Scalable Backend Development with Java and Kotlin
✔ Secure and maintainable REST API Development
✔ Modern Full-Stack Development solutions
✔ Clean architecture and production-ready software
✔ Clear communication and reliable project delivery
Core Technical Expertise
Java & Kotlin Backend Development
I specialize in Java Backend Development and Kotlin Backend Development, creating scalable and maintainable backend systems using:
• Java Development
• Core Java
• Kotlin Development
• Spring Framework
• Spring Boot Development
• Spring MVC
• Spring Data JPA
• Hibernate / JPA
• REST API Development
• Backend Services
• Authentication & Authorization
• Microservices Development
Backend Architecture & Software Design
Strong backend systems require the right architecture. I focus on:
• Software Architecture & Design
• Clean Architecture
• Scalable Backend Systems
• Modular Application Design
• Dependency Injection
• Secure API Design
• Performance Optimization
• Enterprise Application Development
REST API Development & API Integration
I design and develop reliable APIs for modern applications:
• REST API Development
• RESTful Web Services
• API Integration
• Third-Party API Integration
• Secure API Development
• Backend API Architecture
• Service Communication
• Data Exchange Systems
Full-Stack Web Development
My Full-Stack Development experience allows me to build complete web solutions:
• Full-Stack Web Applications
• React Development
• React.js Applications
• Next.js Development
• JavaScript Development
• Responsive Web Development
• Frontend and Backend Integration
• Modern Web Application Development
Database Development & Optimization
I build efficient database solutions for scalable applications:
• PostgreSQL
• MySQL
• MongoDB
• SQL Database Design
• Database Architecture
• Hibernate ORM
• JPA
• Query Optimization
• Data Modeling
AI-Powered Web Applications
I also help businesses integrate AI capabilities into modern applications:
• AI Development
• OpenAI API Integration
• AI-powered Web Applications
• Intelligent Features
• AI-assisted Business Solutions
Development Tools & Practices
• Git
• Docker
• CI/CD
• Testing
• Code Review
• Production Deployment
• Agile Development Practices
Types of Projects I Help Build
SaaS Development
I build scalable SaaS Applications and business platforms using Java, Kotlin, Spring Boot, React, and Next.js.
Examples:
• Subscription-based platforms
• Business management systems
• Enterprise SaaS applications
• Multi-user platforms
Enterprise Backend Systems
I develop reliable Java Backend Systems and Spring Boot Applications with focus on:
• Scalability
• Security
• Performance
• Maintainability
Full-Stack Web Applications
I create complete Full-Stack Applications combining:
• Java/Kotlin Backend Development
• Spring Boot APIs
• React Frontend Development
• Next.js Applications
• Database Architecture
💡 My Development Approach
I don't just write code, I build software systems designed for real-world usage.
Every project I develop focuses on:
• Clean and scalable architecture
• Maintainable Java and Kotlin code
• Secure REST API Development
• Optimized database performance
• Reliable production deployment
• Long-term software quality
My goal is to deliver applications that remain stable, scalable, and easy to improve as your business grows.
Why Clients Choose Me
⭐ Strong Java Developer and Spring Boot Developer expertise
⭐ Professional Backend Development experience
⭐ Advanced REST API Development skills
⭐ Experience building scalable Full-Stack Applications
⭐ Strong knowledge of Kotlin Development
⭐ Clean Architecture and Software Design mindset
⭐ Reliable communication and project ownership
Ready to Build Your Next Application?
If you need a Java Developer, Kotlin Developer, Spring Boot Developer, or Backend Developer to build scalable applications, secure AP
Java
Software Architecture & Design
Spring Boot
Spring Framework
Web Development
Kotlin
API
JavaScript
REST API
SQL
MySQL
PostgreSQL
HTML
CSS
Web Application
API Integration
Core Java
Database Architecture
Full-Stack Development
Git
Kayvan H.
Dubai, United Arab Emirates
$45/hr
5.0
12 jobs
I am a Senior Software Engineer and founder with a proven track record in designing, developing, and optimizing complex back-end systems. I specialize in Java, microservices, cloud solutions, and financial software development. My goal is to build scalable, secure, and efficient systems that meet the diverse needs of modern businesses.
What I bring to the table:
Back-End Development Expertise: Extensive experience with Java (8-21), Spring Boot, and Node.js in building scalable, high-performance applications.
Financial Systems & Data Processing: I've led back-end development for financial market websites and banking systems, including core banking, instant payment systems, and data analytics.
Founder & Product Builder: I built Ledgiq Ltd (UK-incorporated) from the ground up — an AI-powered payment reconciliation SaaS for UK SMEs, integrating Open Banking APIs, Stripe, and Xero with a machine learning matching engine. Sole engineer across the full stack: backend, API integrations, infrastructure, and CI/CD.
Cloud & DevOps Knowledge: Proficient in cloud-native development on AWS and Azure, coupled with a strong understanding of CI/CD pipelines using Jenkins, Docker, and Kubernetes.
Scalable Architectures: Deep knowledge in microservices, RESTful APIs, and event-driven systems, ensuring your applications are scalable, maintainable, and future-proof.
Team Leadership: I've mentored teams, conducted code reviews, and implemented best practices in software engineering, from development to deployment.
Active Contributor on StackOverflow: With +3K points and a positive impact on 3.4 million users, I regularly contribute to solving technical problems and sharing knowledge with the community.
Notable Achievements:
Founded Ledgiq Ltd, an AI-powered fintech SaaS — built solo end-to-end, UK-incorporated, with ICO registration and Open Banking integration in progress.
Led major projects for companies like Glovo, ING, and British Petroleum, delivering high-impact, secure solutions.
Contributed to open-source projects like IBAN4j and wrote technical articles for Baeldung.
Passionate about clean code, and consistently improve the development process through automation and agile methodologies.
If you're looking for a seasoned software engineer who understands the intricacies of building and maintaining robust back-end systems — and who has also walked the path of building a product from zero — I would be thrilled to help you turn your vision into reality.
Java
Apache Tomcat
Spring Boot
Spring Framework
SQL
MySQL
PostgreSQL
Python
Spring MVC
IBM MQ
RabbitMQ
REST API
CI/CD
Linux
FinTech
Fahad Iqbal M.
Dubai, United Arab Emirates
$25/hr
5.0
6 jobs
Over 8 years of experience solution-oriented professional focusing on area like digital transformation, microservices, cloud, DS, ML & J2EE Development with good knowledge of Software Analysis and Design. Build core Application & Support in domain of Banking, Governments, Networks, Finance sector and Product life cycle Management System.
Skills & Strengths:
- JAVA / JEE / Angular / Node
- Microservices
- Spring Boot / Spring cloud / Netflix OSS components(Eureka, Zuul, Hystrix)
- Microsoft Azure
- Azure pipelines / CI/CD
- DevOps, Agile (SCRUM)
- SQL, NOSQL
- Splunk
- Dynatrace
- AppDynamics
- Containers Orchestration: Kubernetes, Docker Swarm, Azure CS
- Oracle Flexcube Direct Banking (FCDB)
- Oracle Felxcube Universal Banking (FCUB)
- Oracle Financial Crime and Compliance Management (FCCM)
- Angular / Node
- JSF
- Prime Faces
- SPRING
- STRUTS
- HIBERNATE
- Rational Developer for IBM WebSphere,
- IBM WEBSPHERE SERVER
- ORACLE Web Logic Server
- Crystal, Reports
- Jasper Reports
- SOAP Services
- Rest Services
- Bit Bucket
- Oracle, POSTGRES, MySQL, MSSQL, Mongo DB
Java
Hibernate
Spring Boot
React Native
iOS Development
Android
iOS
WordPress
Kubernetes
Spring Cloud
J2EE
Java Persistence API
Microservice
Spring MVC
Responsive Design
SQL
Nisha M.
Dubai, United Arab Emirates
$25/hr
4.8
85 jobs
🚀 GoHighLevel (GHL) Specialist | Sales Funnels • Landing Pages • CRM & Marketing Automation
🌟 Top Rated Plus — Top 3% of Talent on Upwork
✅ 430+ Projects Delivered
💰 $500K+ in Client Revenue Generated
🔥 100% Job Success Score
I help businesses build high-converting funnels, landing pages, and automated client-acquisition systems inside GoHighLevel (GHL) — from pipeline and calendar setup to email/SMS follow-up campaigns, missed-call text-back, and lead nurture automation. On top of GHL, my team builds and scales full websites and web apps using WordPress, Shopify, React, and Node.js.
WHAT I DO:
🔹 GoHighLevel (GHL) Setup & Automation
Sub-account builds, funnel & landing page design, pipeline/CRM configuration, workflow automation, email & SMS sequences, calendar & booking automation, membership sites, and third-party integrations (Zapier, Make, Stripe, webhooks).
🔹 Sales Funnels & Landing Pages
High-converting funnels built for lead generation, appointment booking, and sales — optimized for speed, mobile responsiveness, and conversion rate.
🔹 Web Development
Custom websites and web apps on WordPress, Shopify, React, and Node.js — from simple business sites to complex, scalable applications.
🔹 CRM & Marketing Automation
Automated follow-up sequences, lead scoring, review/reputation management, and reporting dashboards that turn cold leads into booked appointments.
WHY WORK WITH ME:
✔️ Proven Track Record — 430+ completed projects and $500K+ in revenue generated for clients
✔️ Funnel-to-Finish Expertise — I don't just build pages, I build systems that convert traffic into paying customers
✔️ Fast, Reliable Delivery — streamlined processes so your project launches on time
✔️ Ongoing Support — post-launch optimization, A/B testing, and automation tuning available
Whether you need a single high-converting landing page, a full GoHighLevel funnel and automation build, or a complete website/app, I bring the technical skill and marketing understanding to make it perform — not just look good.
Let's build a system that actually generates leads and revenue. Message me to discuss your project.
Marketing Automation
Shopify Theme
Front-End Development
Email Automation
Lead Management Automation
ClickFunnels
Sales Funnel
Ecommerce Marketing
Ecommerce Marketing Consultation
Conversion Rate Optimization
Conversion Report
Shopify
Sales Funnel Builder
Ecommerce Performance Optimization
Social Media Marketing Automation
Social Media Lead Generation
Marketing Automation Strategy
Sales Funnel Implementation
Landing Page Design
CRM Automation
Mikhail B.
Dubai, United Arab Emirates
$77/hr
5.0
36 jobs
15+ years of commercial software development using Java/Python/React tech stacks both for big corporations and for startups in several domains: AI/ML, Finance/Trading, AdTech and others.
I’ve been dealing with large scaled distributed and heavy loaded applications with thousands of concurrent users/transactions per second and processing several TB of user data daily.
I specialize in backend multi-threaded applications but also have an extensive experience with web applications with complex UI logic.
I'm fan of clean code, simple architectures and Test Driven Development (TDD)
When a designing an application from scratch or fixing legacy one - I use OOP/OOD approaches for easy enhancements in the future and keep architecture as simple and flexible as possible which allows to minimize a technical debt of the whole project.
My main goal is meeting client's business needs with an effective scalable architecture and good code quality (coding standards, unit-test coverage, etc).
Java
NoSQL Database
Machine Learning
Performance Optimization
Multithreaded Programming
Big Data
Adrees T.
Dubai, United Arab Emirates
$39/hr
5.0
24 jobs
I am a highly accomplished and top-rated Plus Software Architect with over 9 years of experience in industries such as E-commerce, Telecommunication, Travel, and Education. With a 100% job success ratio and fluent English communication skills, I excel at architecting scalable, efficient, and innovative solutions, and consistently deliver high-quality results across complex software projects.
Technical Skills:
- Java: Proficient in Java 7, 8, and 11, utilizing it extensively for developing robust applications.
- Spring Framework: Experienced in leveraging the power of Spring Framework, Microservices, and Spring Cloud for building scalable and efficient solutions.
- Messaging Technologies: Skilled in implementing asynchronous messaging using Azure Service Bus, Apache Kafka, RabbitMQ, and Netflix Conductor, enabling seamless communication between components.
- Cloud Technologies: Experienced in working with AWS EC2, Amazon S3, Amazon Rout53, Amazon Redshift, and utilizing ThoughtSpot analytics. Also proficient in ELK Stack, Docker, and Docker Swarm for containerization and deployment.
- Front-end Development: Hands-on experience with AngularJS and Angular 8, ensuring engaging and responsive user interfaces.
- Database Technologies: Well-versed in working with various databases including Oracle, MySQL, Postgres, and MongoDB. Proficient in designing and optimizing stored procedures for efficient data retrieval and manipulation.
- Web Technologies: Proficient in JWT, JavaScript, CSS, jQuery, HTML5, and Bootstrap, enabling the development of modern and visually appealing web applications.
- Development Tools: Experienced in using tools such as Maven, Apache Tomcat, Gradle, and version control systems like Git and TFS, ensuring streamlined and collaborative development processes.
- CI/CD and Agile Methodologies: Skilled in implementing CI/CD pipelines using Jenkins, Jira, Confluence, Bitbucket, and Agile Scrum, facilitating continuous integration, delivery, and efficient project management.
- Android Development: Proficient in Android application development, creating native mobile experiences for Android users.
- Familiar Technologies: Familiar with Node.js, MongoDB, and Kubernetes, keeping up-to-date with emerging technologies and trends in the industry.
With my extensive technical skills and experience, I am well-equipped to contribute to complex software projects, drive innovation, and deliver high-quality solutions.
Java
Hibernate
Spring Boot
Spring Framework
AngularJS
Microservice
Angular
Apache Kafka
Node.js
Docker
Dropwizard
JavaScript
RabbitMQ
Unit Testing
Mockito
Kubernetes
MongoDB
Jenkins
CI/CD
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