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Our SaaS platform is already live, but I want a seasoned React / [login to view URL] and Node.js developer to give it a rigorous technical once-over so we can scale with confidence. The immediate focus is a full codebase and architectural review, making sure every module is clean, maintainable, and truly production-ready. Performance is the headline goal. Please profile and tune the areas that matter most to us: dashboard load time, API response time, and the heavier database queries that power our charts. I expect concrete, measurable gains—think quicker Time to First Byte, lower p95 latencies, and smoother UI interactions—without sacrificing code clarity. While you are in the weeds, scrutinise the onboarding flow that starts with a user’s API token and ends with an activated account. Any edge-case bugs, race conditions, or sub-optimal error handling here need to be surfaced and fixed. We also rely on several external SaaS and platform APIs secured by token-based authentication and webhooks. I need your expert eye on those integrations: rate-limit safety, graceful retries, and resilient fallbacks if a third-party service hiccups. Deliverables • Written audit report highlighting architectural concerns, bottlenecks, and recommended refactors • Pull requests (well-commented) that implement the agreed performance fixes and code clean-ups • Verification checklist showing faster dashboard metrics and improved API/database timings • Final review of user onboarding and third-party integrations with pass/fail notes Tech stack keywords to keep in mind: React, [login to view URL], Node.js, REST APIs, PostgreSQL, Webhooks, Lighthouse, Chrome DevTools, Profilers. This is a short, high-impact engagement, but solid results could easily open the door to ongoing feature development.
N° de projet : 40239743
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169 freelances proposent en moyenne $22 USD/heure pour ce travail

With my expertise in Codeigniter, NoSQL Couch & Mongo, Database Administration, Node.js, and API Development, I am well-equipped to audit your SaaS code and optimize the dashboard. I am confident in delivering concrete, measurable gains in performance while ensuring code clarity. Let's discuss the project scope to adjust the budget accordingly. I am eager to start and showcase my commitment to this project. Please go through my profile to see my 15 years of experience. Looking forward to hearing from you.
$18 USD en 3 jours
6,2
6,2

Hello, I understand that you're looking for a seasoned developer to audit your SaaS platform's code and optimize the dashboard. With extensive experience in enhancing user interfaces and improving backend performance, I can help identify inefficiencies and implement best practices that will elevate your platform’s functionality and user experience. My approach includes a thorough code review to pinpoint areas for optimization, followed by actionable recommendations and hands-on improvements. I will ensure that your dashboard not only performs better but also provides a seamless experience for your users. Let’s collaborate to enhance your SaaS offering and ensure it meets the highest standards of performance and usability. Regards, Nurul Hasan
$200 USD en 7 jours
5,6
5,6

Hello! It’s great to see your commitment to scaling your SaaS platform with a thorough audit. I understand that the focus is on achieving measurable performance gains while ensuring code clarity and maintainability. I will conduct a comprehensive review of the codebase and architecture, identifying bottlenecks and areas for improvement. My approach will include profiling dashboard load times, optimizing API responses, and tuning database queries for enhanced performance. I will also examine the onboarding flow closely to address any bugs and improve error handling. After completing the audit, I'll deliver a detailed report of findings along with well-commented pull requests to implement necessary changes. Additionally, I'll provide a checklist showcasing improvement in performance metrics. Regards, Davide
$50 USD en 26 jours
4,6
4,6

I can quickly dive into your codebase and profile the dashboard and APIs using Chrome DevTools and Lighthouse to pinpoint exact bottlenecks. From past work with a SaaS analytics dashboard, I improved Time to First Byte by optimizing data fetching and trimming heavy DB queries, which smoothly cut load times. I’ll check your onboarding flow thoroughly for edge cases or race conditions, especially around token handling and account activation, since these areas often hide subtle bugs under load. For your third-party integrations, I’ll review rate-limit handling and build graceful retry logic to avoid cascading failures when external APIs slow down or drop requests. I’ll deliver a clear audit report with actionable refactors, plus detailed PRs focused on measurable performance gains and cleaner, more maintainable modules. To confirm improvements, I’ll create a checklist comparing before-and-after dashboard and API timings. Could you share if any heavy queries are indexed or cached currently? Also, are webhook failures logged for analysis or retried automatically now? I’m ready to start with a thorough code review and profiling session immediately.
$15 USD en 7 jours
4,7
4,7

Hello, I have extensive experience in the mentioned technologies and am ready to start immediately. Let’s connect via chat to discuss the project requirements further. Thank you, Jignesh
$16 USD en 40 jours
3,8
3,8

Hi, hope you are well. I understand your goals and will deliver clear work on time while keeping you updated. we have many years of development experience in Node.js, API Development and I have completed similar projects. Feel free to visit our website to check our team and portfolio. If this sounds good, have a meeting to discuss about your project in detail. Best regards, Jayabrata Bhaduri
$20 USD en 40 jours
2,0
2,0

As an established and versatile API developer, tackling this code audit, optimization, and onboarding challenge aligns well with what my team and I have been doing successfully for years. By working with Einnovention, you'll not just be choosing a one-person freelancer but instead an entire experienced team of 25+ dedicated professionals who share a common commitment to providing high-quality and scalable solutions. Our expertise rests heavily on PHP, Laravel, CodeIgniter, CakePHP, jQuery, HTML5, CSS3, Bootstrap, WebSocket as well as with CMS, ERP & CRM Systems such as the WordPress platform and custom CMS. Particularly important is our extensive knowledge in REST APIs and Webhooks that can help ensure your SaaS platform performs optimally while maintaining data integrity. With deep awareness, efficient utilization and integration of Lighthouse Chrome DevTools and Profilers we will drive your platform metrics in the desired direction; quicker loading times and smoother UI interactions will certainly be achieved.
$20 USD en 40 jours
2,3
2,3

Hi, I can audit your SaaS codebase, identify performance bottlenecks, fix bugs, and optimize your dashboard for speed, reliability, and clean UX. I’ll provide clear feedback, actionable improvements, and well-tested enhancements so your app runs smoothly and scales confidently. Regards, Bharti
$20 USD en 40 jours
0,0
0,0

Hi there, I understand that your main goal is to ensure your SaaS platform is scalable and performs optimally through a thorough audit of the codebase and architecture. In my previous role, I successfully optimized a React and Node.js application, resulting in a 25% reduction in API response times and a 40% improvement in dashboard load times. Additionally, I conducted a comprehensive code review that enhanced maintainability, leading to a 30% decrease in bug reports. To implement the requested features, I will perform a detailed audit of your architecture, identifying bottlenecks and areas for improvement, particularly focusing on dashboard performance and onboarding flow. I will then deliver well-commented pull requests for necessary code clean-ups and performance enhancements, along with a verification checklist to demonstrate measurable gains. I would be happy to discuss your needs and get started right away. Best regards, Adrian
$20 USD en 40 jours
0,0
0,0

Hi there! I am an experience full-stack developer and have worked on several SaaS platforms, so I would deliver the quality work tailored to your requirements. Please contct me so that we can get started the work right now. Best, Jijo
$20 USD en 40 jours
0,0
0,0

Hi there, You need a thorough platform audit to boost performance and reliability, especially on dashboard load times and API responsiveness. While we audit, might as well also look into Security, Availability and Scalability. I've recently completed a similar high-stakes review for a SaaS platform, improving Time to First Byte by 30% and resolving critical race conditions in onboarding flows. Also ensuring Auth process was as per Industry standards and ensuring data integrity. This challenge is manageable with focused analysis and precise fixes. I’ll: - Profile key areas with Chrome DevTools and Lighthouse to identify slowdowns; - Refactor database queries and API layers for lower p95 latency; - Tighten onboarding code to prevent bugs and enhance error handling; & - Harden external API calls with retry logic and rate-limit safeguards. To align fully, which dashboard charts or API endpoints matter most for your users right now? Drop me a message, can do a free consult to see if we the right fit. Best, Atish
$20 USD en 14 jours
0,0
0,0

Hello Greetings, After reviewing your project description, I am confident and excited to work on this project for you. However, I have some crucial points and questions to clarify. Please leave a message in the chat to discuss this, and I can share my recent work that is similar to your requirements. Thanks for your time! I am excited to hear from you soon. Best regards,
$15 USD en 40 jours
0,0
0,0

Hello Mousa, Codebase will be audited for architectural gaps, slow dashboard loads, heavy queries, and API latency. Onboarding flow and third-party integrations will be tightened for stability and clean retries, with measurable performance improvements delivered through structured pull requests. Happy to connect and start the review. P.S. Focused on speed, stability, and scalable structure. Best Regards, Nikunj
$18 USD en 40 jours
0,0
0,0

I bring over 12 years of experience building and scaling web applications, with deep expertise in frontend architecture, performance optimization, and complex problem-solving. From reviewing the role requirements and understanding your product space, the challenges outlined do not appear unsolvable, and I am confident I could contribute meaningful solutions within days—if not hours. I have extensive experience working remotely across time zones and collaborating with global teams, ensuring high ownership and fast execution.
$20 USD en 40 jours
0,0
0,0

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