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Adil W.

Mississauga, Canada

$50/hr
5.0
29 jobs

๐—๐—ฎ๐˜ƒ๐—ฎ ๐—•๐—ฎ๐—ฐ๐—ธ๐—ฒ๐—ป๐—ฑ ๐——๐—ฒ๐˜ƒ๐—ฒ๐—น๐—ผ๐—ฝ๐—บ๐—ฒ๐—ป๐˜ ๐Ÿ–ฅ๏ธ, ๐—ฆ๐—ฝ๐—ฟ๐—ถ๐—ป๐—ด ๐—•๐—ผ๐—ผ๐˜ ๐ŸŒฑ, ๐— ๐—ถ๐—ฐ๐—ฟ๐—ผ๐˜€๐—ฒ๐—ฟ๐˜ƒ๐—ถ๐—ฐ๐—ฒ๐˜€ ๐Ÿ› ๏ธ, ๐—”๐—ช๐—ฆ โ˜๏ธ, ๐—ฅ๐—˜๐—ฆ๐—ง ๐—”๐—ฃ๐—œ๐˜€ ๐Ÿ”— I help businesses build scalable, secure, and high performance backend systems that handle growth without slowing down. Most applications work well in the beginning. The problems start when traffic increases. APIs become slow, deployments become risky, and maintaining the code becomes expensive. That's where I come in. ๐—”๐˜€ ๐—ฎ ๐—ฆ๐—ฒ๐—ป๐—ถ๐—ผ๐—ฟ ๐—๐—ฎ๐˜ƒ๐—ฎ ๐——๐—ฒ๐˜ƒ๐—ฒ๐—น๐—ผ๐—ฝ๐—ฒ๐—ฟ ๐˜„๐—ถ๐˜๐—ต ๐Ÿญ๐Ÿฏ+ ๐˜†๐—ฒ๐—ฎ๐—ฟ๐˜€ ๐—ผ๐—ณ ๐—ฒ๐˜…๐—ฝ๐—ฒ๐—ฟ๐—ถ๐—ฒ๐—ป๐—ฐ๐—ฒ, I've helped startups and enterprise companies design, build, and optimize backend systems that scale reliably in production. I am not just a Java Developer who writes code. I help businesses create backend architectures that support growth, improve performance, and reduce technical debt. ๐—ฅ๐—ฒ๐˜€๐˜‚๐—น๐˜๐˜€ ๐—œ'๐˜ƒ๐—ฒ ๐——๐—ฒ๐—น๐—ถ๐˜ƒ๐—ฒ๐—ฟ๐—ฒ๐—ฑ โ€ข Built scalable Java Developer solutions serving thousands of daily users with high availability. โ€ข Designed Microservices architectures that reduced deployment risks and improved system reliability. โ€ข Developed Spring Boot applications that improved API response times and backend performance. โ€ข Helped businesses migrate legacy systems into modern Java Developer architectures. โ€ข Delivered production ready backend platforms for startups and enterprise organizations. Every project starts with a business goal and ends with measurable results. ๐—ช๐—ต๐—ฎ๐˜ ๐—œ ๐——๐—ผ ๐—๐—ฎ๐˜ƒ๐—ฎ ๐——๐—ฒ๐˜ƒ๐—ฒ๐—น๐—ผ๐—ฝ๐—บ๐—ฒ๐—ป๐˜ โ€ข Custom backend application development โ€ข Enterprise Java solutions โ€ข Legacy application modernization โ€ข Backend performance optimization โ€ข Secure and maintainable architecture ๐—ฆ๐—ฝ๐—ฟ๐—ถ๐—ป๐—ด ๐—•๐—ผ๐—ผ๐˜ ๐——๐—ฒ๐˜ƒ๐—ฒ๐—น๐—ผ๐—ฝ๐—บ๐—ฒ๐—ป๐˜ โ€ข REST API development โ€ข Spring Security โ€ข Spring Data JPA โ€ข Authentication and authorization โ€ข Scalable backend services ๐— ๐—ถ๐—ฐ๐—ฟ๐—ผ๐˜€๐—ฒ๐—ฟ๐˜ƒ๐—ถ๐—ฐ๐—ฒ๐˜€ ๐—”๐—ฟ๐—ฐ๐—ต๐—ถ๐˜๐—ฒ๐—ฐ๐˜๐˜‚๐—ฟ๐—ฒ โ€ข Distributed systems design โ€ข Service decomposition โ€ข API Gateway implementation โ€ข Event driven architecture โ€ข System scalability and resilience ๐—”๐—ช๐—ฆ ๐—–๐—น๐—ผ๐˜‚๐—ฑ ๐—ฆ๐—ผ๐—น๐˜‚๐˜๐—ถ๐—ผ๐—ป๐˜€ โ€ข AWS deployment and infrastructure โ€ข EC2, ECS, Lambda โ€ข Cloud architecture design โ€ข Monitoring and optimization โ€ข Cost effective cloud operations ๐—ฅ๐—˜๐—ฆ๐—ง ๐—”๐—ฃ๐—œ ๐——๐—ฒ๐˜ƒ๐—ฒ๐—น๐—ผ๐—ฝ๐—บ๐—ฒ๐—ป๐˜ โ€ข API design and implementation โ€ข Third party integrations โ€ข Payment gateway integration โ€ข Documentation and testing โ€ข Secure API architecture ๐—ช๐—ต๐—ฎ๐˜ ๐— ๐—ฎ๐—ธ๐—ฒ๐˜€ ๐— ๐—ฒ ๐——๐—ถ๐—ณ๐—ณ๐—ฒ๐—ฟ๐—ฒ๐—ป๐˜ Most Java Developers focus only on writing code. I focus on the business impact of the software. ๐—•๐—ฒ๐—ณ๐—ผ๐—ฟ๐—ฒ ๐—ฏ๐˜‚๐—ถ๐—น๐—ฑ๐—ถ๐—ป๐—ด ๐—ฎ๐—ป๐˜†๐˜๐—ต๐—ถ๐—ป๐—ด, ๐—œ ๐—ฎ๐˜€๐—ธ: โ€ข Will this architecture still work when traffic grows? โ€ข Can future developers maintain it easily? โ€ข Is it secure? โ€ข Is it optimized for performance? โ€ข Can it scale without major rewrites? This approach helps clients avoid costly problems later. ๐—ช๐—ต๐—ผ ๐—œ ๐—ช๐—ผ๐—ฟ๐—ธ ๐—•๐—ฒ๐˜€๐˜ ๐—ช๐—ถ๐˜๐—ต โ€ข Startups building new SaaS products โ€ข Businesses scaling existing applications โ€ข Companies modernizing legacy Java systems โ€ข Teams adopting Microservices architecture โ€ข Organizations migrating workloads to AWS โ€ข Businesses needing secure and scalable REST APIs ๐—ง๐—ฒ๐—ฐ๐—ต๐—ป๐—ผ๐—น๐—ผ๐—ด๐—ถ๐—ฒ๐˜€ Java, Spring Boot, Spring Security, Hibernate, JPA, Microservices, AWS, Docker, Kubernetes, REST APIs, Kafka, RabbitMQ, PostgreSQL, MySQL, MongoDB, Redis, Maven, Gradle, Git, CI/CD, Jenkins ๐—ช๐—ต๐˜† ๐—–๐—น๐—ถ๐—ฒ๐—ป๐˜๐˜€ ๐—›๐—ถ๐—ฟ๐—ฒ ๐— ๐—ฒ โ€ข 13+ years of Java Developer experience โ€ข Clean, maintainable code โ€ข Scalable backend architecture โ€ข Strong communication โ€ข Reliable delivery โ€ข Long term technical thinking If you're looking for a Java Developer who understands both software engineering and business objectives, let's discuss your project. Send an invitation and I'll respond within a few hours. Keywords: Java Developer, Senior Java Developer, Java Backend Developer, Java Software Engineer, Spring Boot Developer, Spring Boot Expert, Java Application Development, Enterprise Java Developer, Java Web Services, REST API Developer, RESTful API Development, Backend Developer, Backend Engineer, Microservices Developer, Microservices Architecture, Distributed Systems, AWS Developer, AWS Cloud Engineer, Java AWS Developer, Docker, Kubernetes, Kafka, RabbitMQ, Hibernate, JPA, Spring Security, API Integration, Database Design, PostgreSQL, MySQL, MongoDB, Redis, SaaS Backend Development, Scalable Application Development, Cloud Native Applications, Java Consultant, Software Architecture, System Design, Enterprise Application Development, Performance Optimization, CI/CD, Jenkins, Maven, Gradle, Full Stack Java Developer.

  • Core Java
  • Java
  • Spring Boot
  • Java Servlet API
  • Java Collections Framework
  • JUnit
  • API
  • Microservice
  • Java Persistence API
  • Spring MVC
  • Spring Cloud
  • Spring Batch
  • jQuery
  • jMock
  • Git
Meghna R.

Toronto, Canada

$30/hr
5.0
1 jobs

As a Senior Java Developer, I bring over 7 years of comprehensive experience in software development, specializing in building robust, scalable, and high-performance applications. With a solid foundation in core Java and expertise in the Spring Framework, I have successfully led and contributed to numerous projects that have driven business growth and technological advancement. I graduated with honors, achieving a cumulative GPA of 3.8/4.0, and consistently made the Dean's List for all four semesters. My academic journey was enriched with coursework in Advanced Java Programming, Data Structures, Algorithms, Database Management, Software Engineering, and Cloud Computing. This rigorous academic background, combined with active participation in computer science clubs and coding competitions, has honed my practical skills and industry knowledge. One of my most notable achievements is developing a capstone project on an iOS application using SwiftUI, which showcased my cross-platform development skills and the integration of Java-based backend services. This project underscores my ability to seamlessly bridge different technologies and deliver cohesive, end-to-end solutions. In addition to my capstone project, I have extensive experience working on several e-commerce projects. I have designed and implemented comprehensive e-commerce platforms using Java and Spring Boot, focusing on scalability, security, and user experience. My work involved developing secure payment gateways, optimizing database queries for faster transactions, and integrating third-party APIs for enhanced functionality. My technical skill set includes proficiency in multithreading and concurrency, database management (SQL, JDBC, MySQL, PostgreSQL, Oracle), and a strong command of build tools like Maven and Gradle. I am adept at designing and implementing RESTful APIs and SOAP-based web services, ensuring secure and efficient data communication. In addition to my technical expertise, I am well-versed in Agile methodologies, have experience with cloud services (AWS, Google Cloud, Azure), and am knowledgeable in containerization technologies like Docker and Kubernetes. My commitment to continuous improvement and learning is evident in my consistent pursuit of new skills and knowledge. Beyond the technical realm, I excel in problem-solving, possess excellent communication skills, and thrive in collaborative team environments. My ability to manage complex projects, coupled with a keen attention to detail, has consistently resulted in the delivery of high-quality software solutions. Passionate about technology and innovation, I am always eager to tackle new challenges and contribute to the success of forward-thinking organizations. Whether leading a team or working independently, I bring dedication, expertise, and a results-oriented approach to every project.

  • Java
  • Hibernate
  • Microservice
  • API Development
  • API Documentation
  • Agile Software Development
  • JDBC
  • SQL Programming
  • Spring Framework
  • Java Servlet API
  • Apache Maven
  • Microsoft Azure
Amitkumar P.

Toronto, Canada

$40/hr
5.0
1 jobs

I am a proficient JAVA developer and Business intelligence aspirant with 9+ years of industrial exposure. I worked mainly with Java to create web applications and microservices that worked across multiple platforms. I have designed the integrated microservice system architecture, which is a successful product in my previous organization. I was working in Total System Services, Inc.(TSYS) as a senior software engineer in the finance domain. before that, I was working with Tata Consultancy Services as a JAVA Developer in the Insurance domain. ๐—–๐—ข๐—ฅ๐—˜ ๐—™๐—ข๐—–๐—จ๐—ฆ โ€ข Java โ€ข Microservices, Rest APIs, Spring boot, Spring Security โ€ข Hadoop, Yarn, Sparks, Scala, Hive โ€ข Hibernate, JPA, MyBatis โ€ข Oracle, MySQL โ€ข Docker, Kubernetes, AWS ๐—ž๐—˜๐—ฌ ๐—ฆ๐—ž๐—œ๐—Ÿ๐—Ÿ๐—ฆ โ€ข Hands-on experience in java 1.8, J2EE, JSP, JavaScript, as well as spring frameworks. โ€ข Spring Boot Developer and backend core Java developer with experience in a fast-paced Agile Development Environment, like TDD and Scrum. โ€ข Working with databases such as Oracle and MySQL, as well as experience in writing stored procedures, functions, and triggers in PL/SQL for various Data Models. โ€ข Production-grade level experience with Web-Application and Microservices. โ€ข Experience in Logging Infrastructure. ๐—ฆ๐—ž๐—œ๐—Ÿ๐—Ÿ๐—ฆ & ๐—˜๐—ซ๐—ฃ๐—˜๐—ฅ๐—ง๐—œ๐—ฆ๐—˜ โ€ข Languages: Java, SQL, PL/SQL โ€ข Enterprise Java: JSP, Servlet, JDBC, Java Security โ€ข Tools & Framework: Spring, Hibernate, Spring MVC, Spring Web Flow, Spring IOC, Spring AOP, Log4J, Spring Boot, Spring Security/OAuth, GraphQL, RPC โ€ข Big Data technologies: Hadoop, YARN, Sparks, Scala, Hive โ€ข Web Technologies: HTML5, CSS3, Java Script, Bootstrap โ€ข Mark-Up/XML Technologies: XML, XSD, XSL/XSLT, JSON โ€ข Web Services: SOAP, Restful, WSDL, JAX-RPC, JAX-RS, JAX-WS, Jersey, Micro Services Architecture, and Amazon Web Services (AWS). โ€ข Web/App Servers: Apache Tomcat, Web Logic Server โ€ข Database (DB): Oracle, My SQL, MongoDB โ€ข Development Tools: Eclipse, IntelliJ, NetBeans โ€ข O-R Mapping: JDBC, Hibernate, JPA, MongoRepository โ€ข Build Script: Jenkins, Ant, Gradle, and Maven. โ€ข Testing Tools/Others: JUnit, Soap UI, Postman, Jenkins, and JIRA. โ€ข Version Control: Tortoise SVN, CVS, and GIT Hub. โ€ข Performance Testing: JMeter/Blazemeter ๐—œ๐—ก๐——๐—จ๐—ฆ๐—ง๐—ฅ๐—œ๐—”๐—Ÿ ๐—ฃ๐—ฅ๐—ข๐—๐—˜๐—–๐—ง๐—ฆ โ€ข Microservice : Fraud and RiskManagement Tools โ€ข Rest APIs : Exemption Optimization APIs โ€ข Generali Deutschland Informatik Services GmbH โ€ข Generali - Italy GenertelI am a proficient

  • Java
  • Spring Boot
  • Apache Kafka
  • GraphQL
  • Amazon Web Services
  • Testing Framework
  • Google Protocol Buffers
  • Oracle
  • Apache Cassandra
  • Docker
  • CI/CD

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