Comprehensive Legacy App Overhaul and Migration

₹250000-500000 INR

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3 tháng trước

₹250000-500000 INR

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I am looking for an expert to help me modernize and enhance my legacy Java application. This includes migrating the backend to Node.js, converting the existing frontend to ReactJS, and transitioning the database from Oracle DB to PostgreSQL. The final step will be deploying the application from a traditional VM to AWS, with Jenkins and Veracode integration, along with functional testing. Key Responsibilities: - Migrate backend from Java to Node.js - Convert frontend to ReactJS - Transition database from Oracle DB to PostgreSQL - Deploy on AWS from a traditional VM - Integrate Jenkins and Veracode for CI/CD - Conduct comprehensive functional testing Tech Stack Modernization: The modernization of the tech stack is crucial for the app's performance, security, and scalability. Hence, I need the following improvements: - Enhanced Performance: The upgraded app should perform significantly better than the legacy version. - Enhanced Security: Implement best practices to ensure the new stack is secure from potential threats. - Scalability: The new architecture should be able to handle increased loads effortlessly. Please note that the current size of the Oracle database has not been specified yet, but it may be substantial. Therefore, experience with handling large databases is a plus. Ideal Skills: - Proficiency in Java, Node.js, and ReactJS - Extensive experience with AWS, Jenkins, and Veracode - Strong knowledge of PostgreSQL and Oracle DB - Proven track record in tech stack modernization projects - Excellent understanding of performance optimization and security enhancement strategies

Mã dự án: 38773084

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23 freelancer chào giá trung bình ₹387.164 INR cho công việc này

@globaltechnosys

Hi there At Global Technosys, we specialize in modernizing legacy applications. We can assist in migrating your backend from Java to Node.js, converting the frontend to ReactJS, transitioning from Oracle DB to PostgreSQL, and deploying on AWS with Jenkins and Veracode integration. What We Offer: Experienced PHP Developers: Skilled in crafting secure, high-performance, and scalable applications. Customized Solutions: Tailored development based on specific project needs and objectives. Proven Success: We have delivered outstanding results to over 300 clients globally. We’d be thrilled to help you bring your project to life with our team of dedicated PHP experts. Let’s connect to discuss how we can deliver the best solution for your needs. Kind regards, Global Technosys

₹375.000 INR trong 50 ngày

5,0

(4 nhận xét)

5,1

@debkumarlab

As an IT professional with over a decade of experience, I possess the necessary skills and technical know-how to execute your project with a high level of efficiency and precision. I have hands-on experience in all the technologies you've outlined: Java, Node.js, PostgreSQL, React.js, AWS, Jenkins, and Veracode - the very tools you're looking to migrate and deploy to. My wide-ranging technology competence and familiarity with different modernization scenarios make me an ideal candidate to lead your comprehensive legacy app overhaul. I understand that performance optimization, enhanced security, and seamless scalability are vital for any successful modernization project. I'm well-equipped and well-versed in implementing such strategies into customized software solutions; my proficiency with similar legacy applications allows me to proactively address any potential issues that may arise during this complex modernization. Additionally, given your mention of a "substantial" database size, my extensive experience with handling large databases should ensure that the transition from Oracle DB to PostgreSQL is smooth. Choosing me means gaining access to a team committed to client satisfaction and delivery of excellent solutions on time and within budget. I stand by the services Desun provides – transparency throughout the process, reliable cost-effective solutions tailored to your business's unique needs, and post-project maintenance support that ensures lasting success.

₹290.000 INR trong 30 ngày

4,9

(11 nhận xét)

4,7

@HNMN3

As a seasoned tech-stack modernization specialist with seven years of professional experience, I am confident in my ability to successfully overhaul and migrate your legacy app. My proficiency lies in Java, Node.js, and more notably ReactJS as well as key areas relevant to the project like PostgreSQL and AWS. My background in data engineering along with my deep knowledge of Python are valuable skillsets that would help optimize your Oracle DB transition to PostgreSQL – even if it's substantial in size. Additionally, my familiarity with Jenkins and Veracode for CI/CD integration ensures a seamless deployment on AWS, also supported by my comprehensive understanding of Docker and Microservices. Owing to my focus on performance optimization and security enhancement strategies throughout the entirety of my career, I am well-equipped with the mindset to tackle any challenges that may arise during this project. Employing best practices will be second nature to me in ensuring your new stack is capable of superior performance, enhanced security measures, and scalability – meeting all these requirements for your app's maximized efficiency. Let's work together towards breathing life back into this legacy application! With my strong technical background, commitment to quality, and appreciation for timely communication – I'm poised to make the transition as smooth and beneficial as possible for you.

₹375.000 INR trong 7 ngày

4,7

(7 nhận xét)

4,4

@otusonellp

Leveraging the power of Amazon Web Services, our team at OTUSONE LLP specializes in transforming legacy applications into modern, efficient, and secure solutions. We have extensive experience in the migration process and are proficient with Java, Node.js, ReactJS, Jenkins, Veracode, Oracle DB, and PostgreSQL. Our track record includes successfully carrying out comprehensive tech stack modernization projects like the one you've described. What sets us apart is our strategic approach to technology upgrades. We don't just focus on moving fragments of code from one platform to another; we examine the entire data flow and user experience to ensure a successful and seamless transition. Performance optimization and security enhancement are always at the forefront of our efforts. Considering that your database may be substantial, it's worth mentioning that we have handled numerous large databases seamlessly in the past. Additionally, our commitment to providing quality work within agreed-upon timelines is unwavering. Join hands with us at OTUSONE LLP and let's breathe new life into your application for enhanced performance, heightened security, and effortless scalability on AWS.

₹375.000 INR trong 7 ngày

5,0

(5 nhận xét)

3,7

@akhilkanaujiya98

With over a decade of experience modernizing countless applications, my team at RoundWeb Infotech is perfectly suited to tackle your comprehensive overhaul and migration project. Our thorough understanding of Java, Node.js, ReactJS, AWS, Jenkins, and Veracode makes us uniquely qualified for this task. We've successfully handled numerous tech stack modernization projects in the past, consistently delivering on enhanced performance, upgraded security, and improved scalability - crucial goals for your application. The database's size does not deter us; we are well-versed in managing large databases efficiently. Our deep knowledge of PostgreSQL and Oracle DB - which few can rival - positions us to transition your database seamlessly. Moreover, our background in frontend design also ensures that the new ReactJS interface will be as intuitive as it is robust. It's essential to emphasize that we don't just complete a project; we establish long-lasting partnerships. With RoundWeb Infotech on board, you'll not only have a reliable team providing seamless support but also enjoy 24/7 communication and satisfaction-guaranteed deployment. Trust us for a modernized app with enhanced performance, fortified security measures, and effortless scalability. Partner with us for success that goes beyond the project now!

₹575.000 INR trong 70 ngày

4,5

(3 nhận xét)

3,8

@sonishubham

Hi, With my extensive nine-year industry experience and a client satisfaction rate of 100%, I am confident I can deliver a comprehensive and successful overhaul for your legacy app. My proficiency in Java, Node.js, and ReactJS, combined with a proven track record in tech stack modernization projects makes me the perfect fit for migrating your backend from Java to Node.js, converting the frontend to ReactJS, and optimizing the application for enhanced performance and security. I understand the importance of a seamless transition of databases from Oracle DB to PostgreSQL as it has a direct impact on your application's functionality and scalability. With my strong knowledge specifically in PostgreSQL and Oracle DB, I can assure you of a hassle-free, efficient database migration process. Moreover, my experience with handling large databases will be a valuable asset as we tackle this component. Deploying your application from traditional VM to AWS with Jenkins and Veracode integration requires utmost precision and familiarity. My expertise in AWS, along with Jenkins and Veracode for CI/CD, will ensure a smooth deployment process alongside robust functional testing. If you choose me, expect an optimized application with enhanced performance, security and scalability on AWS. Let’s make this Legacy App Overhaul and Migration project a success together!

₹375.000 INR trong 7 ngày

3,0

(2 nhận xét)

3,5

@siddhantsingh326

Hello Digital V., We would like to grab this opportunity and will work till you get 100% satisfied with our work. Lets connect in chat so that We discuss further. Regards

₹375.000 INR trong 7 ngày

5,0

(2 nhận xét)

1,3

@masterraju686

With over a decade of experience in the software development domain, we at GlobalGeek Infotech have successfully executed several legacy app transformation projects. Your project aligns perfectly with our core competencies and expertise. We excel at migrating outdated tech stacks to more advanced solutions, like Java to Node.js and Oracle DB to PostgreSQL. As your project requires CI/CD integration using Jenkins and Veracode, I'd like to highlight that not only are we well-versed with these tools but have utilized them in numerous similar projects. Your concern regarding database size is valid, and I assure you it's not an issue for us as we've handled extensive datasets before. Our team understands the challenges associated with legacy systems and has developed effective strategies for data migration and plotting optimized cloud-based architecture with AWS. Enhancing performance, security, and scalability will be our primary objective while revamping your application. With our track record of carefully analyzing each project requirement, setting realistic expectations, and meeting deadlines, you can rest assured of a smooth transition process. In conclusion, let's transform your legacy application together and create a robust solution that aligns seamlessly with your needs. Let's start enhancing your app's performance, security & scalability!

₹450.000 INR trong 120 ngày

5,0

(1 nhận xét)

0,0

@garishbulandi7

I am more than ready to take on the responsibilities your project entails. Stressing improved performance, enhanced security, and uncompromised scalability in the modernization of your tech stack aligns perfectly with my forte. With expertise in Java, Node.js, ReactJS, AWS, Jenkins, Veracode, PostgreSQL, and Oracle DBs, I have been involved in multiple projects similar to yours - perhaps none as exciting though - assisting businesses to transform their applications into efficient powerhouses that keep up with industry demands. More specifically, let's talk about the database. Although you haven't divulged your data size yet, I've worked extensively with large databases which gives me an edge when it comes to handling complex data transitions smoothly and efficiently. Additionally, I have a profound understanding of performance optimization and security enhancement strategies that will ensure your migrated application is highly efficient and safe from any potential threats. Lastly, it is worth mentioning that while being tech-savvy is crucial for our project success, my dedication to learning new technologies should also impress you greatly. Being on top of technology trends and staying abreast of the latest developments has always been my priority and will be pivotal for the success of this project.

₹375.000 INR trong 7 ngày

0,0

(0 nhận xét)

0,0

@anilvarey

Hello, I bring extensive expertise in the key areas you need for this project. My proficiency in Java is crucial as it allows me to understand and effectively migrate your legacy backend to Node.js, ensuring high performance and smooth functionality. Additionally, my dexterity with ReactJS comes into play as it is an essential skill needed to convert your frontend successfully. Understanding that the transition from Oracle to PostgreSQL is pivotal for your database management, I'm confident in my abilities to make this shift seamlessly while providing optimal scalability and security. Moreover, given the possibility of working with a substantial Oracle database size, my experience with handling large databases adds value to my profile for this project. Finally, my extensive work with AWS, Jenkins, and Veracode demonstrate my capacity to cater to the last phase of your project: deploying the application on AWS with solid CI/CD integration using Jenkins and Veracode. This ensures that we not only create an updated application but also build a strategic framework for its continuous improvement. In conclusion, I have the skills, experience and passion needed to transform your legacy app into a robust and scalable one. Let's work together to build something remarkable!

₹375.000 INR trong 7 ngày