Full-Stack Developer | Tech Enthusiast | Tech Innovator | Contractor
Java • React • React Native • Flutter • Next.js • Laravel • jQuery • MySQL • MVP Builder
Hi, I’m a Java Developer with extensive experience in software development, specializing in backend, and full-stack solutions. I build high-performance, scalable applications using Java, Spring Boot, and modern web technologies. My expertise covers RESTful API design, microservices architecture, and cloud-based solutions with Amazon Web Services (AWS) and Docker.
✔ Core Skills & Technologies:
I leverage a versatile tech stack to build scalable, secure, and high-performance applications, ensuring reliability and efficiency.
🟢 Programming Languages: Java, JavaScript, TypeScript, PHP – Used to develop enterprise applications, handling thousands of daily users.
🟢 Frameworks & Libraries: Java Spring Boot, Spring Framework, Hibernate, React, Next.js, jQuery – Optimized system performance, improving response times by 25%.
🟢 Database Management: MySQL, SQL, MongoDB – Designed and maintained databases processing over 10K+ transactions monthly.
🟢 Web & Application Development: Web Development, Java Development, Desktop Applications, Standalone Applications, enhancing client operations and user engagement.
🟢 DevOps & Deployment: Docker, Apache Tomcat, Git – Streamlined CI/CD pipelines, reducing deployment time by 30%.
🟢 Software Engineering: Software Architecture & Design, Software Development, Software Debugging – As a Java Developer I developed scalable solutions supporting 50K+ active users.
🟢 UI/UX: HTML CSS JavaScript, HTML5, CSS3 – Created responsive interfaces that increased user engagement by 20%.
🟢 Testing & Quality Assurance: JUnit, Software Testing – Reduced production issues by 40% through automated and manual testing.
🔧 My Toolkit
Frontend: React, Next.js (App + Pages Router), TailwindCSS, shadcn/ui, JSP
Backend: Java, PHP, PostgreSQL, MongoDB, MySQL
DevOps: Vercel, AWS (Lambda, S3, EC2), Azure, Docker, GitHub Actions
✅ Why Clients Work With Me
🟢 Problem-Solving Mindset: Writing clean, maintainable, and well-documented code for scalability
🟢 Client-Centric Approach: Aligning technology solutions with business goals
🟢 Agile Software Development: Iterative development, CI/CD pipelines, continuous integration
🟢 Performance & Security Focused: Optimized queries, security best practices
If you're looking for an experienced Java Developer, Senior Java Developer, Full Stack Developer, Java Spring developer, Javascript Developer, PHP Developer, Java developer India to build scalable, high-performance applications, let’s connect!🚀
Last updated: 23.12.2025
Java
JavaScript
Spring Boot
PHP
API
Web Development
Android
iOS
Mobile App Development
MySQL
Location-Based Service
Payment Gateway Integration
Hibernate
RESTful API
Pujan K.
Lalitpur, Nepal
$25/hr
4.6
52 jobs
I specialize in building secure, scalable, production-ready backend systems using Java, Spring Boot & microservices architecture for startups and enterprises.
Back-end technologies:
- Spring-framework, spring-security
- JPA/Hibernate + Spring-Data
- REST, GraphQL, and WebServices (Spring-Boot)
- Apache Kafka, Camel
- SQL, MySQL, PostgreSQL, MariaDB, MongoDB
- Maven/Gradle/Ant
Front-end technologies:
- Spring-MVC, Struts
- template engines: Thymeleaf, JSP/JSTL, GSP, Freemarker, Jtwig, Velocity
- JQuery and Bootstrap
- HTML5, CSS3, JavaScript
- Angular, React
SDLC
- Agile and Scrum programming methodology
- TDD using JUnit, Mockito, Karma (for UI)
- Eclipse, STS and Intellij IDEA
- Git, SVN, and CVS code repositories
- Maven, Ant, and Gradle build tools
- Jenkins and Bamboo CI servers
- Docker, Kubernetes
- Bash scripting, Server Administration
Cloud
- Amazon cloud deployment using EC2
- Amazon file sharing S3
- Amazon cloud database using RDS
- Amazon based messaging (SNS and SQS)
- Google cloud platform
- Heroku based could deployment
- VPS setup and administration
Software Architecture & Design
Web Development
Spring Framework
Java
RESTful Architecture
SQL
Apache Kafka
Microservice
Cloud Computing
NoSQL Database
Test-Driven Development
Version Control
Scripting
Code Review
Agile Project Management
Bash Programming
Jira
Sijan B.
Kathmandu, Nepal
$15/hr
4.5
11 jobs
As a Java developer with 5 years of experience, I have a strong background in object-oriented programming and a deep understanding of the Java language. I have experience in developing and maintaining large-scale applications, as well as a solid understanding of software development methodologies and best practices. and am always eager to learn new technologies and stay up to date with the latest industry trends.
JavaFX
MySQL
Desktop Application
Java
C++
NetBeans
Task Automation
Microsoft Excel
Scripting Language
Java GUI
Spring Boot
Browser Automation
Swing
Eklak D.
Lalitpur Sub-Metropolitan City, Nepal
$25/hr
5.0
2 jobs
✅ 8+ years of experience in Software Development
✅ Deployed multiple applications creating architecture and producing clean code
✅ Deep experiences in Java, NodeJS, Spring Boot, Spring Security, PostgreSQL
✅ Value-oriented
✅ Takes ownership of the work and produces results in the given time
Five reasons to hire me:
▶ Experienced in building products from Design and Discovery to Launching for general users
▶ Launched multiple applications related to US Healthcare integrating different EHRs like ModMed, and Athena Health using Hl7, FHIR APIs, and AthenaOne APIs.
▶ Increased patient intake by 40% for the medical lab by integrating EHR systems into their application process using HL7 and FHIR APIs for multiple providers
▶ Reduced 50% bug encounters in the application by adding 70% test coverage for the produced codes using Unit testing
▶ Shortened product delivery time by learning the domain of work and helping others to understand that removed uncertainty for code
▶ Produced detailed requirement documents by actively communicating with related stakeholders via virtual and physical meetings
▶ Result driven both a team player and individual contributor
▶ Improved application update process reducing 70% process time by integrating code push to cross-platform application
▶ Added CI/CD for cross-platform application building by reducing 80% of the developer effort time
▶ Effective Worker: Promoted from Software Engineer to Lead Engineer in 3 years @Leapfrog Technology Inc.
Integration Specialist:
✨ EHR Integration (Athena Health, Modernizing Medicine)
✨ Salesforce ✨ Intuit QuickBooks ✨ Xero ✨ RingCentral ✨ XIFIN ✨ WorkPath ✨ OAuth 2.0
✨ KeyCloak ✨ Twilio
My Strength:
▼Language
Java, Javascript, TypeScript
▼ Backend
● Experienced in using frameworks like Spring Boot, Spring Security with Tomcat, and Netty server
● NodeJS, and NestJS to develop a highly scalable system with JS/TS
● Maven, Gradle for build tools
● PostgreSQL, MySQL, MongoDB, and DynamoDB databases for production application
● Deployment using AWS Services and Azure Services
● CI/CD with GitHub Actions, Jenkins
▼ Frontend
● Angular 2
● React
● HTML, CSS, JS
▼ Serverless Application
● Typescript, Javascript
● Node
● AWS provider
▼ Other Skills
● Project Management using Atlassian products (JIRA, Confluence, Trello)
● Extensive experience with Git, Github, Gitlab, Bitbucket
● Hands-on experience with creating IAAC
● Quick Learner, Can adapt to learn new technologies if required for the project
Other experiences:
1. Works with a product mindset
2. Provide valuable insights based on experience with the relevant technologies to reduce any foresight issues
3. Experienced in launching the product from design and discovery to the MVP phase
4. Experienced in leading the product engineering
5. Produces quality clean testable codes
6. Experienced in creating detailed documentation of the process, research, and requirements
7. Past experience in handling production-level issues
8. Experienced in working startup culture as well as enterprise application development
9. Can work independently with less dependency as well as work with a group of people as per the need of the product/project
10. Extensive experience in US HealthCare (EHR integrations with HL7, FHIR APIs)
Open to any new opportunities and excited to be part of the team.
Java
Spring Boot
Hibernate
PostgreSQL
NodeJS Framework
NestJS
TypeScript
MySQL
MongoDB
Docker
JavaScript
Serverless Stack
Spring Security
Health Level 7
FHIR
Narayan Gopal M.
Kathmandu, Nepal
$28/hr
5.0
13 jobs
Experienced Software and Data Engineer with over 13 years of experience building data-driven applications, RESTful APIs, and microservices. I am familiar with the complete software development life cycle, build automation, infrastructure as code, and CI/CD development. Also experienced with AWS and Azure, with a focus on Data Engineering and creating keyword targeting for Upwork profile overviews.
Expertise:
- ETL: AWS Glue, Azure Data Factory, Step Functions, Airflow
- Automation (IaaC): Terraform, AWS CDK, Azure Biceps
- Languages: Python, Java, Javascript, Go, SQL
- Cloud Platforms: AWS, Azure
- Frameworks: Apache Spark, DBT (Data Build Tool), Pyspark, Airflow, Pandas, Scikit-learn
- Tools: Postgres, DynamoDB, MongoDB, Redis, SQL Server, Elasticsearch, Spark, Flink, GitHub actions, Docker
Python
LangChain
Java
SQL
ETL Pipeline
Amazon Web Services
Apache Kafka
Apache Spark
AWS Glue
Fabric
Azure Bot Service
Amazon Redshift
Serverless Computing
MLOps
Ayush B.
Kathmandu, Nepal
$20/hr
5.0
19 jobs
Greetings! I'm Ayush Basnet, a proficient Java Developer with extensive experience in building secure, high-performance applications. With a solid background in Java, Spring Boot, and React, I have successfully delivered robust backend systems and dynamic frontend interfaces for a variety of industries, including healthcare and finance.
🌟 My Expertise Includes 🌟
✅ Java (8, 11 & 17): Extensive expertise utilizing recent Java features, including Lambdas, Stream APIs, DateTime APIs, and Functional Interfaces.
✅ Java EE Web: JSF, JSP, Thymeleaf.
✅ Struts : Struts 1 and Struts 2, Tiles
✅ Spring Frameworks: SpringBoot, Spring Core, Spring Batch, Spring Data, Spring Cloud
✅ Groovy, Grails
✅ SQL Databases: SQL Server, MySQL, PostgreSQL, MariaDB & Oracle
✅ NoSQL Databases: MongoDB & Redis
✅ AWS: IAM, EC2, S3, RDS, Lambda, etc.
✅ Message Broker: Kafka.
✅ Message Queues: ActiveMQ & RabbitMQ.
✅ Testing: JUnit, Spring Test, Mockito, Integration Test, Unit Test.
✅ Versioning: GIT, GITHub, BitBucket.
✅ DevOps: Docker, Kubernetes, Jenkins.
✅ IDEs : Eclipse Platform, NetBeans, IntelliJ IDEA
✅ Report Generation: Jasper Reports
✅ Familiar with : PHP, React Js, Splunk
I’m passionate about contributing to projects that demand innovation, security, and high performance. Whether you're looking to enhance the security of your applications, optimize performance, or build scalable solutions, I’m here to help you achieve your goals.
Let's connect and take your projects to the next level!
MySQL
PostgreSQL
Java
React
Angular
RabbitMQ
Spring Boot
JasperReports
Apache Struts 2
Apache Struts
Next.js
AI Development
Claude
AI Implementation
AI Code Generator
Generative AI Prompt
Generative AI Software
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