— TOP RATED PLUS Freelancer on UPWORK — EXPERT VETTED Freelancer (Among the Top 1% of Upwork Freelancers) — Full Stack Engineer — Data Engineer ✅ AWS Infrastructure, DevOps, AWS Architect, AWS Services (EC2, ECS, Fargate, S3, Lambda, DynamoDB, RDS, Elastic Beanstalk, AWS CDK, AWS Cloudformation etc.), Serverless application development, AWS Glue, AWS EMR Frontend Development: ✅ HTML, CSS, Bootstrap, Javascript, React, Angular Backend Development: ✅ JAVA, Spring Boot, Hibernate, JPA, Microservices, Express.js, Node.js Content Management: ✅ Wordpress, WIX, Squarespace Big Data: ✅ Apache Spark, ETL, Big data, MapReduce, Scala, HDFS, Hive, Apache NiFi Database: ✅ MySQL, Oracle, SQL Server, DynamoDB Build/Deploy: ✅ Maven, Gradle, Git, SVN, Jenkins, Quickbuild, Ansible, AWS Codepipeline, CircleCI As a highly skilled and experienced Lead Software Engineer, I bring a wealth of knowledge and expertise in the areas of Java, Spring, Spring Boot, Big Data, MapReduce, Spark, React, Graphics Design, Logo Design, Email Signatures, Flyers, Web Development (HTML, CSS, Bootstrap, JavaScript & frameworks, PHP, Laravel), responsive web page development, Wordpress and designing, and testing. With over 11 years of experience in the field, I have a deep understanding of Java, Spring Boot, and Microservices, as well as Java EE technologies such as JSP, JSF, Servlet, EJB, JMS, JDBC, and JPA. I am also well-versed in Spring technologies including MVC, IoC, security, boot, data, and transaction. I possess expertise in web services, including REST and SOAP, and am proficient in various web development frameworks such as WordPress, PHP, Laravel, and CodeIgniter. Additionally, I am highly skilled in Javascript, jQuery, ReactJs, AngularJs, Vue.Js, and Node. C#, ASP.NET MVC In the field of big data, I have experience working with MapReduce, Spark, Scala, HDFS, Hive, and Apache NiFi. I am also well-versed in cloud technologies such as PCF, Azure, and Docker. Furthermore, I am proficient in various databases including MySQL, SQL Server, MySql, and Oracle. I am familiar with different build tools such as Maven, Gradle, Git, SVN, Jenkins, Quickbuild, and Ansible.

Hello there! I'm an experienced IT professional with over 10 years of expertise in Rest APIs, Spring, and Java. Additionally, I am an Oracle-certified professional. My strong technical skills, coupled with my ability to adapt to new technologies, make me a valuable asset to any team. I have a proven track record of successfully delivering projects across various market segments and different sized companies, utilizing my skills in Desktop and Web development, as well as Java, Spring, Angular, React, AWS, JasperReports, and more. I am well-versed in working with different methodologies, including SCRUM and KANBAN, and am adaptable to any role or project. I strongly believe in the power of determination and am committed to helping teams achieve their goals. I am confident that my skills and experience make me a highly qualified candidate for any project in need of a Rest API, Spring, or Java expert.

"Sahbaan share his ideas about the development I asked and delivered exactly what I requested and he is doing everything he can to make the client satisfied. The deliverable is working perfectly and he even suggested to more than I asked but it was a little early to my product" "We hired Sahbaan to write the first and second of eight phases that will result in the MVP (minimum viable product) of SST available as SaaS on AWS. SST is written in Java using Spring Boot. Sahbaan was professional and a pleasure to work with. He asked intelligent questions, made valuable suggestions, endured our brutal quality assurance cheerfully, responded quickly to the issues we uncovered, and kept us informed. We were pleased with his work, plan to use him for all the other phases, and recommend him to others." "Working with this developer was a game-changer. They showed exceptional skills and expertise, transforming our vision into a practical, user-friendly software solution. Their ability to grasp complex requirements and translate them into effective functionalities was truly remarkable. Their dedication, professionalism, and innovative approach, coupled with a keen eye for detail, made the whole development process a seamless experience. This developer is a rare gem in the software industry and we couldn't recommend them more highly. Truly a five-star experience!" I help enterprise businesses streamline and automate their processes using MVP, SAAS, and CRM applications. I love developing applications for enterprise businesses aiming to automate their business, handling millions of data, and reducing the time constraints for doing complex jobs. My typical clients have a good plan, reasonable budgets, and a wonderful character of business owners. My past scientific career focuses on developing novel user interfaces for the Banking and Financial industries, Medical Industries, Homebuilders, and Construction industries. I have been awarded Software Engineer, and Full Stack developer over the years, usually as a part of a great team. All these experiences have turned out to be very useful for several new companies. I work in either of these roles: 1) Software Engineer: As a Software Engineer of your Business, all you need to do is give me your business information and a rough product or service plan. I will think through how to get the technical parts of the job done. Good match with non-technical business owners or stakeholders who wish to automate and streamline their business processes. I can help with concept development, prototyping, product development, MVP evaluation, SAAS development, and ERP and I tend to suggest practical strategies for rolling out your product to the intended market. 2) Full Stack Developer: I help your team to react to operational excellence with all the background I have in Software development, scientific research, and innovation. This comes together with technical leadership to get stuff done properly and quickly. Please see my Full Stack Development profile for more detailed examples of apps I can provide.

I provide services related to Desktop Apps, Web Apps (Frontend), Web APIs (Backend), Data Processing, Mobile Apps and much more to tech companies all around the world in the technologies such as C#, Java, Python, ReactJs, React Native, Flutter and NodeJS My Expertise: ✔️ Front-end Development: I excel in Angular, Flutter, and HTML/CSS development. I create interactive and responsive user interfaces that provide an exceptional user experience. ✔️ Back-end Development: I am proficient in ASP.NET Core, ASP.NET MVC, ASP.NET Web Forms, Spring Boot, Java, Python, FastAPI, and ExpressJS. I have experience building robust APIs, handling server-side logic, and integrating with databases. ✔️ Database Management: I have a strong command of SQL and extensive experience working with MySQL, SQL Server, SQL CE, MongoDB, PostgreSQL, Timescale DB, SQLite, Firebase, and AWS DocumentDB. I can design efficient database structures and write optimized queries. ✔️ Desktop Application Development: I specialize in WPF, WinForms, and Electron, SwingUI enabling me to build powerful and intuitive desktop applications that run seamlessly across multiple platforms. ✔️ Mobile App Development: I develop cross-platform mobile apps using Flutter and React Native, enabling you to reach a wider audience and deliver engaging user experiences. ✔️ Database Management: I excel in designing data models, connecting to data sources, importing data, and performing advanced calculations to extract valuable insights for your business. ✔️ Software Consultancy: If you need guidance or expert advice on software-related matters, I am here to provide reliable and valuable consultancy services. ✔️ Migration: If you need to migrate your project of Dot Net from 4 to 5,6,7 or 8, I am here to provide you reliable migration service without any loss to the code quality. I'm dedicated to delivering high-quality products and ensuring client satisfaction. I value open communication and collaboration throughout the project lifecycle. If you have any questions or would like to discuss your project, feel free to message me. I typically respond within an hour or promise to get back to you within 12 hours. Thank you for considering my profile. Let's create amazing software solutions together! Have a nice day, Hussain Murtaza #CSharp #Java #Python #FastAPI #DotNet #Python #WebApp #DesktopApp #Dotnet #AspDotNet #Asp.Net #NetCore #.Net #.NetCore #DataScience #ExpressJS #NodeJS #Electron #WebForms #WPF #Scripts #SQL #Timescale CSharp Developer Java Developer C# Developer FastAPI Developer Web App Desktop App Desktop Dot Net Dot Net Core DotNet DotNetCore DotNet Developer .Net Developer Net Core Developer Spring Developer Database Management SQL Timescale Flutter Developer Dart Developer ReactJS Developer Angular Developer ReactNative Developer Android Developer iOS Developer

I am from Ukraine but due to war live in Spain I've been professionally developing software for the last 11 years I have a master's degree in Computer Science and an AWS Solution Architect certificate Message me to get a FREE consultation or app estimation What we generally can do: ✅ elicitate requirements (functional, non-functional) ✅ prepare an architecture ✅ plan a project: estimate, roadmap ✅ setup a team ✅ software web development ✅ Web 3.0/Blockchain development ✅ project/team management ✅ deployment (AWS, Azure, etc) ✅ project maintenance ✅ system audit & consulting Below is for Upwork search engine: ✅ Domain experience: Airline, Transportation, Real Estate, Smart Home (IoT), Ed Tech, IT Security, Banking, AI integrations, Health Care, SaaS/Multitenant, Blockchain, Web 3.0 ✅Architectures: Microservice, Monolith, SOA (Service Oriented Architecture), Event Driven, Serverless, Event Sourcing and CQRS ✅Programming languages: Java 6, 7, 8, 11, 15, 17, JavaScript, TypeScript ✅Frontend frameworks/libs: ReactJs, VueJs, Jquery ✅Protocols/connectivity: HTTP, HTTPs, FTP, SSH, REST, SOAP, RabbitMQ, Kafka, ActiveMQ, AWS SNS, AWS SQS, AWS Kinesis, AWS MSK, WebSockets ✅Web Frameworks: Spring Boot (REST API, MVC, Data Jpa, Security, etc), Quarkus, Google Guice, Java EE (EJB, JPA, etc), NestJS, Next JS, Node JS, ✅ORMs: Hibernate, iBatis, Spring Data Jpa, Spring Data Mongo, Spring Data Neo4j,JDBC template ✅Databases: MySQL 5.7, 8.0, MSSQL, Postgresql 14, Oracle, Sybase, Mongodb, Neo4j, Redis ✅ Blockchain: Solana, Etherium, Pokadot network integrations ✅Clouds: AWS: EC2, ECS, S3, Lambda, Kinesis, MSK, EventBridge, SQS, SNS, CloudWatch, CloudFormation, RDS, Aurora, Cognito, Azure, GCP, Heroku ✅CI/CD: Jenkins, TeamCity, Github Actions, AWS Codebuild, SonarQube ✅SSO: LDAP, OpenID Connect (OIDC), SAML, OAuth2, Keycloak, auth0, AWS Cognito, Active Directory, social logins (Facebook, Google), Spring Security ✅Devops: Docker, Docker Compose, Kubernetes (k8s), Linux, AWS Automation: Selenium WebDriver, IDE, Grid, RC ✅Other: Drawio customization, Chat GPT API Integration, Bard API Integration, ISO 27001, ISO 8583, Kipu EMR, FHIR EMR Integration, HL7 FHIR Integration, AWS EMR, EHR Integration, OpenEMR, HIMS, PHI Query API

An agile and ambitious software engineer with a strong technical background who possesses self-discipline, hardworking, quick learning, good team spirit, and honesty. 13+ years of experience in software development for enterprise-level applications using arrays of technologies. ➢ Strong Programming skills, in designing and implementation of multi-tier applications using Spring Boot, Spring MVC, Java-J2EE, ASP.Net MVC, .Net Core, Node, Express, Struts, JSF, CDI, Spring Data JPA, JPA, Hibernate, Spring Rest, Spring Data JPA, Spring Security, Kafka, liquibase etc. ➢ Efficient in working with Dockerfile, Docker-Compose & Docker Containers. ➢ Extensive experience in working with JavaScript/TypeScript languages, frameworks, libraries, and technologies such as React JS/ Angular. ➢ Extensive experience in working with CSS3, HTML5, SCSS, and their frameworks such as Bootstrap, Material UI, etc. ➢ Strong experience in all the phases of software development life cycle including requirements gathering, analysis, design, implementation, deployment and support. Technologies I work on: J2EE - Spring - Spring - Boot - Spring- Security - Maven/Gradle - Apache Kafka - Redis - JMS/Rabbit MQ - Spring Data JPA - Hibernate JavaScript : - ES6 - jQuery - Angular - React JS - Node - Express - TypeOrm/ Sequilize Python: - Flask - Django Testing: - Rest Assured - Junit - TestNG - Mockito Reporting : - Jasper Report. DB: - Mysql - MSSQL - PostgreSQL - Oracle - MongoDB

If you are looking for a professional & experienced Java, Groovy, or Grails developer then your search is over. With more than 10 years of experience I have a full grip on the below-mentioned tools and technologies: Groovy, Grails, Java, Spring Boot, SparkJava, REST APIs, Google APIs. Docker, AWS MySql, PostgreSQL, MongoDb, MariaDB, JavaScript, Typescript and JQuery libraries, Bootstrap, W3CSS Git, GitHub, BitBucket, IntelliJ Idea, Postman, and a many more. I prefer to use project management tools like JIRA, Redmine, Asana, or Trello.

⭐ Top Rated Plus ⭐ 100% Job Success ⭐ 6000+ Upwork hours ⭐ 40+ Job's Successful Completed I am a Java professional with 10 years of experience. I have strong understanding and knowledge of the object-oriented approach, software engineering principles, concepts, and with practical knowledge on designing, building scalable applications with Monolith and micro-service model. I have grip on architectural design technique using the Domain-Driven Development approach (DDD), Test Driven Design(TDD). All these years i got chance to work on Financial, Healthcare, ERP, Customized CRMs, Order Management and Logistics solutions. My technology stack is : ✅ Back-End: Java, Spring Boot, Spring Security, MVC, Hibernate, JPA, JDBC, J2EE, Servlets, Web Services ✅ Front-End: Angular, HTML5, CSS3, JavaScript, JSF, JSP ✅ Middleware: Apache ActiveMQ, Kafka ✅ Cache: Apache Ignite, Redis ✅ Databases: RDBMS (MySql, Postgre SQL, MSSQL, Oracle), noSql (MongoDB)

An experienced Full-Stack Web Developer with a strong track record of over 3 years on different platforms and industries, delivering top-notch solutions across diverse platforms. I excel in crafting dynamic web applications, leveraging various frameworks and stacks. As a versatile developer, I possess expertise in both front-end and back-end technologies. My skills encompass various languages including but not limited to PHP, Javascript, Java, and their respective frameworks spanning Laravel, Lumen, Angular, React, and Spring framework. I also possess a good grasp of SQL and NoSQL databases with different ORMs integration in web applications. With a deep understanding of these technologies, I ensure robust and scalable solutions for my clients. I also have a little flavor of AWS and can carry deployment easily I pride myself on my effective communication skills, enabling seamless collaboration with clients. I'm always available for discussions, whether through calls or meetings, to fully comprehend project requirements and achieve desired outcomes. Why I should be preferred over others? Extensive Experience: With over 3 years of web development expertise, I bring a wealth of experience to every project. Client-Centric Approach: I prioritize listening to client requirements and ensuring their vision is realized. Seamless Communication: I maintain open lines of communication and am readily available for meetings and discussions. Full-Stack Proficiency: My comprehensive skill set allows me to handle end-to-end development, delivering cohesive and integrated solutions. I look forward to collaborating with you on your web development needs. Let's create exceptional solutions together!

⭐⭐⭐ "Unni did excellent work! Trustworthy and capable. Great communication" ⭐⭐⭐ ⭐⭐⭐"Am writing this review to express my deep gratitude and appreciation for Unni's remarkable contribution to our project. Unni has demonstrated an exceptional ability in managing a complex integration task, a challenge that had previously stymied the efforts of five other individuals". ⭐⭐⭐ ⭐ I am senior developer specializing in Back-End and Cloud development. 👑 24 years of professional application development experience ✅ 150 ➕ Jobs ✅ 150 ➕ Reviews ✅ 3000 ➕Hours I have worked with ⭐High Profile clients⭐ in my Career which I have listed some of them below: ✅ FirstTennessee (Fortune 500) ✅ Amex (Fortune 500) ✅ EDB Norway ✅ ICICI Bank My core expertise and experience are: ✅ Android Application development ✅ Web development using Java 8, Spring Boot framework, JavaScript, HTML 5 ✅ Back end development with Java 8, Spring Boot frame work ✅ REST API development using Spring Boot ✅ Desktop development using Swing and JavaFX ✅ Micro services with Spring Boot ✅ Experience in Graph algorithms ✅ Bitcoin and Block chain development using Bitcoinj frame work ✅ Eclipse RCP development ✅ Open source application modification and development ✅ ChatGPT ✅ Java - 12+ years ✅ Java 8 - 5 years ✅ JavaScript - 5+ years ✅ Spring Boot - 3 + years ✅ Spring Framework - 3 + years ✅ React ✅ GraphQL ✅ AWS ✅ AWS Lambda ✅ Cloud Development ✅ AWS Amplify ✅ Aws AppSync ✅ DynamoDB ✅ Quarkus framework ✅ Micronaut ✅ CI/CD ✅ Android - 2 + years ✅ Spring Security - 2+ years ✅ WebRTC , WebSocket - 2+ years ✅ Python - 1+ year ✅ Node.js - 1 + year ✅ Play Frame work - 1 year ✅ GIS Development - 1 year I would like to go the extra mile to meet customer expectations for every project I am doing with 100% quality. I am looking for long-term association with clients to get complete benefits and am interested in achieving their business objectives and goals.