With over 14 years of experience in software engineering, I specialize in designing and delivering robust back-end and full-stack solutions for the fintech, banking, and process mining sectors. I bridge the gap between complex business requirements and highly scalable, cloud-native architecture.
Whether you need to migrate legacy systems to microservices, ensure strict financial compliance, or build full-stack platforms from the ground up, I bring the technical depth and leadership required to get it done right the first time.
My Core Technical Expertise:
Backend & Architecture: Java/J2EE, Spring Boot, Microservices, Spring Security, REST API, Open API, and JPA. (EJB Certified).
Cloud & Containerization: AWS Certified (SAA, DVA, CloudOps), Docker, and Kubernetes.
AI & Next-Gen Tooling: OpenAI, Spring AI, and MCP (Model Context Protocol).
Frontend Integration: ReactJs, ZK UI.
Databases & Observability: Oracle, MySQL, Grafana, and Prometheus.
Domain Expertise: Process Mining, Core Banking, and Financial integrations.
Why Partner With Me?
Enterprise-Scale Impact: I have spearheaded mission-critical banking automation for over 1,700 bank branches and modernized massive monolithic systems into scalable microservices.
Engineering Leadership: Deep experience in Agile/Scrum environments. I regularly lead teams to deliver complex projects on tight deadlines while maintaining strict code quality.
Proven Remote Reliability: I have a decade of experience driving complex projects to completion while collaborating seamlessly with globally distributed teams across Australia, Europe, and South America.
Rabbul H.
Expert Joomla, Wordpress, php & Fullstack Web Developer
Dhaka, Bangladesh
$20/hr$20 per hour4.7 (144) 172 jobs $300K+ total earnings
*ONE MAN ARMY HERE!
*One of the TOP RATED Coder on UPWORk!
I Just love to work with joomla, wordpress, php. Am working with joomla for last 10 years now and very much expert of creating new custom components,plugins,modules for joomla as well as fixing the extraordinary issues related with joomla. If you need anything related joomla, am the man who can achieve your requirements. Please check my feedback before you decide.
Md. Kamal H.
Oracle Apex Advanced Developer
Dhaka, Bangladesh
$25/hr$25 per hour4.9 (18) 28 jobs $50K+ total earnings
I am Kamal Hossain, an Oracle Certified, Advanced Apex Developer having 16+ years of experience working with dedicated Oracle Apex & 23+ years of experience working with Oracle Forms, Reports, SQL & PL/SQL Technology.
As an Oracle Apex blogger since 2009, I have large number of community across the world to share Issues, ideas, solutions and insights into the world of Oracle Apex.
I have hands-on experience working with Oracle Apex Technology in the following Areas:
• ChatGPT integration with Oracle Apex
• PeopleSoft API integration with Oracle Apex
• Shopify Ecommerce API integration with Oracle Apex
• Integration Any Web API with Oracle Apex
• Upgrade Oracle Forms & Reports applications to Oracle Apex
• Oracle Apex 24x including all New Functionalities
• Apex Universal theme along with Custom Templates
• Multi select Card template and Custom look & feel
• Responsive Desktop & Mobile User Interface Design
• Oracle Database 8,8i,9i,10g,11g,12c,18c,19c,23c
• PL/SQL Programming (Advanced Level)
• Application Server - WebLogic, Apache
• Restful services
• Web Services
• Multilingual Apex (Run-time Translating Page)
• AJAX, JQUERY, Javascript, HTML, CSS (Advanced Level)
• JSON Data Processing in Apex (Advanced Level)
• GraphQL Query Processing by Calling REST API (Advanced)
• API Data Integration in Apex (Advanced Level)
• Landing Shopify online order notification to custom DB table
• JQUERY UI Autocomplete applying API Data source
• Interactive Dashboard, Charts & Graphs (Advanced Level)
• Digital Signature Pad in Apex Page
• Custom Multi Functional Calendar Control
• Plugins
• FOEX Plugin Framework
• Implementing Oracle Cloud security with Local Oracle Apex
• BI Publisher & Reporting
• Jasper Reports (Advanced Level)
• PDF Reports
• AOP (Apex Office Print)
• convert SQL Query output to pdf file using pl/sql
• Oracle Multimedia Image Processing in Apex
• Classic Report, Interactive Report & Interactive Grid
• Custom Classic Report
• HTML Report
• Data Export & Import Utility
• Oracle Apex Collections, Dynamic Action (Advanced Level)
• Custom User Login Management
• Custom & Dynamic Master Menu Management
• Custom & Dynamic Top Navigation Bar Management
• Multi application managed through central login policy
• Integrating multiple Applications.
• Email Notification
• SMS Notification
My skills also encompass:
• Source control management including version controlling
(Utilized Tortoise SVN Server as a tool)
• Product Development
• Team Management
• Release Engineering
• Software Configuration Management
I have served last 15 years in the leading Software development companies where I have been repeatedly recognized for development software application from initial requirement gathering to design, coding, testing, documentation and implementation.
As a full time Freelancer, I am available 40 hours per week at any time zone standard for long term relationship basis.
Thank You
M Kamal Hossain
How it works
Post a job for freePost a job
Tell us what you need. Create your own job post or generate one with AI then filter talent matches.
Hire top talent fast
Consult, interview, and hire quickly, so you can meet the freelancers you're excited about.
Collaborate easily
Use Upwork to chat or video call, share files, and track project progress right from the app.
Payment simplified
Manage payments in one place with flexible billing options. Only pay for approved work, hourly or by milestone.
Don't just take our word for it
“Upwork provides an umbrella-level of security. I can see a talent’s work history and ratings. I can hold payments in escrow. I can communicate through Upwork Messages instead of working through my email address.”
KD
Kim Darling
Verified
Emerald Tiger
“Upwork is the best platform to hire skilled professionals when we're not looking for a full-time employee. All the companies in our portfolio use Upwork to find talent across a wide range of fields.”
DM
David Merry
Verified
Kinetic Investments
“Our very specific requirements can be a challenge—With Upwork, we’re able to access a bigger community to ensure the success of our projects.”
KK
Katja Krohn
Verified
Summa Linguae
How do I hire a JBOSS Developer in Bangladesh on Upwork?
You can hire a JBOSS Developer in Bangladesh on Upwork in four simple steps:
Create a job post tailored to your JBOSS Developer project scope. We'll walk you through the process step by step.
Browse top JBOSS Developer talent on Upwork and invite them to your project.
Once the proposals start flowing in, create a shortlist of top JBOSS Developer profiles and interview.
Hire the right JBOSS Developer for your project from Upwork, the world's largest work marketplace.
At Upwork, we believe talent staffing should be easy.
How much does it cost to hire a JBOSS Developer?
Rates charged by JBOSS Developers on Upwork can vary with a number of factors including experience, location, and market conditions. See hourly rates for in-demand skills on Upwork.
Why hire a JBOSS Developer in Bangladesh on Upwork?
As the world's work marketplace, we connect highly-skilled freelance JBOSS Developers and businesses and help them build trusted, long-term relationships so they can achieve more together. Let us help you build the dream JBOSS Developer team you need to succeed.
Can I hire a JBOSS Developer in Bangladesh within 24 hours on Upwork?
Depending on availability and the quality of your job post, it's entirely possible to sign up for Upwork and receive JBOSS Developer proposals within 24 hours of posting a job description.