
Fechado
Publicado
Pago na entrega
I have a website application sitting in development that must be proven rock-solid before going to staging and live. The priority is performance testing, with special focus on how quickly the payment-processing flow responds under realistic and peak traffic. I need clear, repeatable load-time measurements, a breakdown of any bottlenecks you uncover, and practical fixes applied or clearly documented for my team to apply. Once the key pages—especially checkout and any third-party gateway calls—consistently hit the agreed speed targets, the final step is a smooth push to the production environment. That includes preparing a deployment checklist, backing up current data, handling any config changes, executing the release, and running post-deployment smoke tests to confirm everything is stable. Deliverables • Performance test plan and scripts (e.g., JMeter, k6, Locust) • Before/after load-time metrics for the complete checkout path • Written summary of findings, fixes applied, and recommendations • Staging and Production deployment executed with confirmation that all payment transactions complete within the tested time thresholds If you have questions about the existing tech stack or need test accounts for the payment gateway, let me know and I’ll provide them right away.
ID do Projeto: 40127380
57 propostas
Projeto remoto
Ativo há 19 dias
Defina seu orçamento e seu prazo
Seja pago pelo seu trabalho
Descreva sua proposta
É grátis para se inscrever e fazer ofertas em trabalhos
57 freelancers estão ofertando em média $170 SGD for esse trabalho

Hello, I'm a seasoned developer with extensive experience in performance testing and seamless deployment processes. Your project resonates with my expertise as I recently completed a similar task for an e-commerce platform, focusing on payment processing under peak loads. I propose using tools like JMeter or k6 for reliable performance testing, ensuring your checkout and gateway calls meet speed targets. My approach includes developing a comprehensive test plan, executing precise load-time measurements, and identifying bottlenecks with actionable solutions. Post-testing, I'll prepare a deployment checklist, perform backups, manage config changes, and ensure a smooth transition to production, including post-deployment smoke tests to verify stability. Do you have any preferences for specific testing tools? And should I coordinate closely with your team during deployment for real-time updates? I’m ready to ensure your application is robust and production-ready. Thanks and best regards, Kamran
$90 SGD em 5 dias
7,8
7,8

As an experienced full-stack developer with extensive knowledge in PHP, Node JS, HTML 5 and CSS3, I am confident that I can provide you with top-notch web development skills to ensure high performance, load-time management and efficient code deployment to both staging and production environments. Throughout my 12 years of experience, I have successfully delivered more than a thousand specialized projects for various businesses, just like yours. In terms of optimization skills, my proficiency covers techniques ranging from database management (like MySQL), website optimization, to working with tools such as JMeter, k6 and Locust- precisely the tools you need for performance testing. You can trust me to not only provide you with clear and repeatable load time measurements but also ingenious fixes for any bottlenecks my tests reveal. On top of that, being a Full Stack Developer means having a comprehensive understanding of the entire software process. In your case this means beyond just performance testing, I have the capacity to execute a smooth push to the production environment ensuring that all payment transactions are stable and consistent within the tested time thresholds. That includes backup data handling, config changes execution and post-deployment smoke tests conduction – making the whole process seamless and hassle-free for you.
$250 SGD em 7 dias
6,3
6,3

Hi, I am experienced in Node.js, API Testing, Usability Testing, CI/CD, and JMeter. I will thoroughly test your website application for performance, focusing on payment-processing flow under realistic traffic. My approach includes detailed load-time measurements, bottleneck identification, and practical fixes documented for your team. Upon meeting speed targets, I'll ensure a smooth deployment to staging and production, running post-deployment tests for stability. Let's discuss the tech stack and any test account needs. What do you think?
$100 SGD em 2 dias
5,8
5,8

Hello, -- We can help transform your in-development website application into a rock-solid, production-ready platform with primary focus on performance and payment-flow stability. -- Our expertise ensures clear load-time measurements, identification of bottlenecks, practical code/config fixes, and a seamless transition from development to live. Development to Deployment Road-Map (FMCG Workflow): We follow an FMCG-style structured process: requirement analysis → test strategy creation → ER diagram and architecture review → performance test planning → execution using tools like JMeter/k6/Locust → before/after metrics validation → optimization and fixes → staging deployment → QA and repeatable peak-traffic tests → final production release → smoke tests → documentation and hand-off call. Key Deliverables: Detailed performance test plan & scripts Checkout path speed optimization Bottleneck report with applied fixes Deployment checklist and backups Code Deployment to staging and production environment and QA testing. -- I’d like to discuss on “Performance Testing & Deployment Automation,” and I will plan a complete Road-Map that can help in development with ER diagram. --We following FMCG domain solutions. -- I am very interested for long-term collaboration. Best regards, Prakash.S
$229 SGD em 7 dias
5,5
5,5

Being a seasoned Full Stack Developer with over 6 years of versatile experience, I bring to the table a comprehensive set of skills required to successfully execute your project. Having worked extensively with CI/CD, MySQL, and Node.js, I specialize in streamlining code deployment processes that prioritize performance and robustness, which is exactly what you're looking for. From devising practical test plans to carrying out smooth deployments, stacking up before/after metrics and providing problem tackling solutions, I've garnered ample proficiency in all tasks specified for this project. My credibility stems not only from my deep understanding of payment transactions under real-world scenarios but also from ensuring dependable load-time results through efficient tools like JMeter, K6, and Locust. Furthermore, with my focus on high-quality deliverables and cost-effective yet reliable solutions; I believe I'm an ideal choice for your project. My commitment to 'Best Quality + Fast Speed + Hard Work' aligns perfectly with the outcomes you want to achieve – a solid website application that smoothly handles payment-processing flow even during peak traffic. Let's join hands and create the stable digital platform you envision.
$140 SGD em 7 dias
5,3
5,3

Hi, We would like to grab this opportunity and will work till you get 100% satisfied with our work. We are an expert team which have many years of experience on Software Testing, MySQL, Usability Testing, Node.js, Continuous Integration, Website Optimization, API Testing, JMeter, CI/CD Please come over chat and discuss your requirement in a detailed way. Regards
$140 SGD em 7 dias
5,1
5,1

Hello, I can take your dev build through a proper performance “gate” focused on the full checkout path (page render → API calls → third-party gateway → webhook/DB updates) and produce repeatable, defensible metrics that prove it’s ready for staging and production. I’ll set up a test harness using k6 (or JMeter if you prefer) with realistic user journeys, warmup + steady-state + spike tests, and clear SLO targets (p95/p99 latency, error rate, throughput) so we’re not guessing based on one-off runs. From there I’ll pinpoint bottlenecks using server timing traces and DB profiling, then either apply fixes directly (caching, query/index tuning, connection pooling, async handling, queueing/webhook hardening, gateway timeout/retry strategy) or document exact changes your team can implement with zero ambiguity. Once checkout consistently hits the agreed thresholds under load, I’ll handle the staged rollout with a clean deployment checklist: backups, config/secret validation, migration order, zero-downtime steps if applicable, and post-deploy smoke tests that include real payment flows in the correct mode (sandbox vs. production). You’ll end up with the test scripts, before/after numbers for the entire payment journey, and a concise report your team can reuse for every future release so performance doesn’t regress. Best regards, Juan
$140 SGD em 1 dia
4,7
4,7

Warm Hello! I specialize in performance testing and production deployments for web applications, ensuring payment flows are fast, stable, and release-ready, with over 9 years of experience hardening checkout-critical systems. Here’s how I can help: Design and run repeatable load and stress tests (k6, JMeter, or Locust) focused on checkout and payment gateways Measure and document before/after response times under realistic and peak traffic Identify bottlenecks across app code, infrastructure, and third-party payment calls Apply fixes where possible and clearly document changes for your team Execute staging and production deployment with backups, checklists, and post-release smoke tests I’ve handled performance validation and go-live for payment-heavy apps where milliseconds and reliability directly impact revenue. What’s your current tech stack and hosting environment, and which payment gateway(s) are involved so I can tailor the test scripts accurately?
$180 SGD em 7 dias
4,2
4,2

Hi, I’m Karthik, a senior full-stack & DevOps engineer with 10+ years of experience taking applications from development to staging and production with performance guarantees, especially around payment and checkout flows. I understand the priority here is proving performance under load, fixing bottlenecks, and then executing a clean, low-risk release. How I’ll handle this: • Create a performance test plan targeting checkout, payment gateway calls, and critical APIs • Implement load tests using k6 / JMeter / Locust (based on your stack) with realistic & peak traffic profiles • Capture baseline vs post-optimization metrics (TTFB, p95 latency, throughput, error rate) • Identify bottlenecks at app, DB, cache, network, or gateway levels • Apply agreed fixes or document them clearly for your team Deployment & QA: • Prepare a deployment checklist (configs, env vars, secrets) • Full backup before release • Deploy to staging → validate → production • Run post-deployment smoke tests, including real payment transactions • Confirm checkout consistently meets agreed speed thresholds Deliverables: • Load test scripts + results • Before/after performance metrics • Written findings & recommendations • Successful staging & production deployment confirmation I’ve handled payment-critical launches where milliseconds matter and failures aren’t acceptable. Happy to review your stack and start immediately once access and test credentials are shared.
$333 SGD em 7 dias
4,3
4,3

Good afternoon , I’ve reviewed your project details carefully "Code Deployment to staging and production environment and QA testing -- 3"and I’m confident I can deliver exactly what you’re looking for. I focus on clear communication, quality work, and meeting deadlines, ensuring the final result aligns with your goals. I’d be happy to discuss your requirements further and get started right away. Best Regards
$30 SGD em 5 dias
3,8
3,8

Hi there, Payment gateways often buckle under peak traffic leading to failed transactions and significant revenue loss if the infrastructure is not properly optimized. We will resolve this by creating aggressive load testing scripts to pinpoint bottlenecks and applying targeted fixes to ensure your checkout flow remains stable during your transition to production. Here are two quick questions regarding the scope. Which specific payment gateway providers are currently integrated that require stress testing? Do you have a preferred tool between JMeter and k6 for the final script delivery? We have successfully optimized high traffic platforms and executed complex production deployments for numerous clients. Feel free to check our portfolio or I can send you specific samples in chat. As a company policy we also provide 30 days of post delivery support to ensure everything runs smoothly. Drop me a message so we can start optimizing your platform today!
$200 SGD em 5 dias
3,8
3,8

Hello! I’m an experienced developer specializing in deployment, QA, and performance testing. I can create repeatable load tests for your payment flows, identify bottlenecks, apply fixes or document them clearly, and ensure smooth staging and production deployments. please award me project here. I am available to dedicate my full attention to your project and would be happy to discuss further details. Feel free to reach out anytime. Let's discuss more details on chat.
$200 SGD em 3 dias
3,8
3,8

Hello there, I specialize in performance testing and deployment, ensuring your website application is rock-solid before moving to staging and production. My approach includes comprehensive load testing, particularly focusing on the payment-processing flow under various traffic conditions. I'll provide clear, repeatable metrics and identify bottlenecks with practical solutions for your team. Deliverables will include a performance test plan with scripts using tools like JMeter or k6, before/after load-time metrics for the checkout process, and a detailed report of findings and recommendations. Once performance targets are met, I'll prepare and execute a deployment checklist, manage data backups, config changes, and perform post-deployment smoke tests. Questions: • Do you have specific load time targets for the checkout and payment process? • Are there any existing tools or frameworks in your tech stack I should align with? Looking forward to ensuring a seamless transition to a stable production environment. Thanks and best regards, Faizan
$90 SGD em 5 dias
3,6
3,6

Hi, I hope you’re doing well! I can performance-test your application end to end with a strong focus on the checkout and payment flow under real and peak traffic. I’ll provide clear load-time metrics, identify bottlenecks, and apply or document fixes to meet your speed targets. Once stable, I’ll handle staging and production deployment, including backups, config checks, and post-release smoke tests to ensure payments run smoothly. Looking for your generous response. Best Regards, Muhammad Ahmed
$180 SGD em 7 dias
3,8
3,8

As an AI specialist, I can understand the importance of deploying a robust website application with utmost precision. While my key skills may not be in performance testing and web development, I have amassed experience in handling and executing intricate tasks irrespective of the technical challenges they pose. It is this versatility that empowers me to take on diverse projects and deliver quality results each time. Though I may not be fluent in the specific tools mentioned, I have a strong command over key programming languages such as MySQL and Node.js that are crucial for seamless website deployment. Being adaptable, and well-versed in multiple platforms has given me the ability to swiftly learn new technologies to better serve my client's needs. Choosing me would bring a fresh perspective to your project as I will apply my proficiency in Neural Networks, Reinforcement Learning, Computer Vision and other domains to find unique solutions to your challenges. My optimistic and problem-solving mindset means that even amidst bottlenecks in your codebase or any issues encountered during testing or deployment, I will remain unrelenting until they have been resolved for an efficient product launch. Think of me as the wildcard to inject creativity into your project while still abiding by the streamline procedures.
$140 SGD em 7 dias
3,5
3,5

Hello, I’m a Senior QA Engineer and cybersecurity researcher with multiple CVE credits (CVE-2019-13655, CVE-2020-8452, CVE-2022-26070) with 7+ years of experience in QA, application security and vulnerability testing. I’m an expert in end-to-end quality engineering, from deep manual and integration testing to CI-driven automation and multi-device validation. I understand your priority is to ensure the application is fully production-ready, with special focus on performance and payment flow reliability under real-world and peak traffic. My approach will include: - Designing a clear, repeatable performance test plan targeting checkout, payment gateways, and critical user paths - Executing load and stress tests using tools like JMeter, k6, or Locust based on your stack - Capturing precise before/after metrics and identifying performance bottlenecks - Applying fixes where possible or documenting actionable recommendations for your team - Validating third-party payment integrations under load to ensure consistent response times For deployment, I will: - Prepare a clean staging-to-production checklist - Ensure data backups and configuration validation - Execute the production release - Run post-deployment smoke and payment verification tests to confirm stability I focus on clear reporting, practical fixes, and smooth releases so there are no surprises when you go live. Best Regards Dipak Prajapati
$137 SGD em 7 dias
3,0
3,0

Dear Hiring Manager, I specialize in performance testing and deployment for web applications, with extensive experience ensuring payment flows remain rock-solid under peak load. For your project, I will: Develop a performance test plan and scripts (JMeter, k6, or Locust) targeting the checkout and payment gateway flows. Measure load times before and after optimization, identifying bottlenecks and providing practical, repeatable fixes. Deliver a detailed report summarizing findings, applied improvements, and actionable recommendations. Prepare and execute staging and production deployment, including backups, configuration adjustments, and post-release smoke tests to verify all payment transactions complete within your speed thresholds. I have successfully tested and deployed high-traffic e-commerce systems where transaction reliability and speed were critical. I can quickly start once access to the development environment and test payment accounts is provided, ensuring your app performs consistently before going live.
$140 SGD em 7 dias
2,7
2,7

Hi! I can design and run performance tests on your website, focusing on checkout and payment flows, using tools like JMeter or k6. I’ll provide clear before/after metrics, identify bottlenecks with practical fixes, and execute a smooth staging-to-production deployment with verification that all transactions meet speed targets.
$150 SGD em 7 dias
2,7
2,7

Hi, I can handle this end to end without adding process overhead. I’ll start by profiling the checkout and payment flow under realistic and peak traffic using a repeatable load-testing setup (k6 or JMeter, depending on your stack), establish baseline response times, and then isolate bottlenecks across application code, database queries, and third-party gateway calls. Where possible, I’ll apply fixes directly; anything that should remain in your team’s control will be clearly documented with concrete recommendations, not theory. Once the checkout consistently hits the agreed performance thresholds, I’ll manage the staging and production rollout safely: backups, config validation, controlled deployment, and post-release smoke tests focused on real payment transactions. You’ll get clear before/after metrics, a concise performance summary, and confirmation that checkout and payment flows remain stable under load. If you share the tech stack and payment gateway details, I can start immediately. Best regards James Walker
$100 SGD em 3 dias
2,5
2,5

Hey , I just finished reading the job description and I see you are looking for someone experienced in CI/CD, JMeter, API Testing, Node.js, Software Testing, MySQL, Continuous Integration, Website Optimization and Usability Testing. This is something I can do. Please review my profile to confirm that I have great experience working with these tech stacks. While I have few questions: 1. These are all the requirements? If not, Please share more detailed requirements. 2. Do you currently have anything done for the job or it has to be done from scratch? 3. What is the timeline to get this done? Why Choose Me? 1. I have done more than 250 major projects. 2. I have not received a single bad feedback since the last 5-6 years. 3. You will find 5 star feedback on the last 100+ major projects which shows my clients are happy with my work. Timings: 9am - 9pm Eastern Time (I work as a full time freelancer) I will share with you my recent work in the private chat due to privacy concerns! Please start the chat to discuss it further. Regards, Salik.
$30 SGD em 6 dias
1,7
1,7

London, Singapore
Método de pagamento verificado
Membro desde out. 18, 2024
$15-200 SGD
$30-250 SGD
$1500-3000 SGD
$30-250 SGD
₹12500-37500 INR
₹12500-37500 INR
₹600-1500 INR
$30-250 USD
₹750-1250 INR / hora
₹12500-37500 INR
$30-250 USD
$2-8 USD / hora
$750-1500 USD
₹12500-37500 INR
₹750-1250 INR / hora
$750-1500 USD
$10-30 USD
₹1500-12500 INR
$30-250 USD
₹12500-37500 INR
₹100-400 INR / hora
₹1500-12500 INR
₹750-1250 INR / hora
$750-1500 USD