
Completed
Posted
Paid on delivery
I need an experienced full-stack developer who can dive straight into our live Repsly retail-execution platform and squash a handful of production bugs before the weekend is over. Top priority is the Insights Dashboard: data pulled from our internal database and several external APIs simply refuses to load, leaving the widgets blank. Once that’s stable, I also need you to: • Correct a CSS/layout glitch inside the Field Team Management view so rows and buttons stop shifting on resize. • Track down why our order-submission endpoint (Node.js/Express) throws intermittent 500s and patch it. • Eliminate the multi-minute data-sync lag between the React Native mobile app and the web dashboard. • Stop the mobile crash when field reps attach photos during in-store audits. The stack is React, React Native, and Node.js with a Postgres back end and a sprinkling of third-party REST services. You’ll work in a mature codebase, so confident debugging, clear git commits, and basic regression tests after each fix are mandatory. I can give you repo access, a brief hand-off, and production logs; from there I expect you to run with it and deliver clean, reviewed pull requests by Sunday night.
Project ID: 40495868
197 proposals
Remote project
Active 5 days ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs

Hi, Blank dashboard widgets on a live retail platform don't just look broken. Field reps lose visibility into their own performance data mid-week and start working blind. I built [login to view URL] with complex React state, REST API integrations, and performance optimization that cut load times by 40%. [login to view URL] is my React Native work where Firebase sync optimization and authentication flow fixes reduced support issues by 50%. Here's my approach. The blank Insights widgets are most likely a race condition between API responses and render state. I'll trace the network calls against the component lifecycle before touching anything else. The intermittent 500s on the order endpoint point to an unhandled async rejection or a connection pool exhausting under load - Postgres query logs will confirm it fast. The sync lag between React Native and the web dashboard is almost always a polling interval problem or a missed WebSocket reconnect handler. The photo crash during audits is typically a memory spike on large image buffers without a compression step before upload. Each fix gets its own clean pull request with a brief regression note so nothing merged over the weekend creates a new problem Monday morning. Available to start from repo access now. Best regards, Courtney
$70 USD in 5 days
0.3
0.3
197 freelancers are bidding on average $148 USD for this job

Experienced full-stack developer here, ready to tackle the bugs plaguing your Repsly platform. I'll focus on stabilizing the Insights Dashboard and resolving CSS/layout issues within Field Team Management. With expertise in React, React Native, and Node.js, I'm well-equipped to handle your tech stack. Could you share more details about the data-sync lag between mobile and web platforms? Regards, Yogesh Kumar
$140 USD in 8 days
8.1
8.1

Hi, The blank Insights Dashboard widgets are usually a CORS or auth token issue hitting those external APIs — production logs should confirm quickly. I work in React, React Native, and Node.js daily, so the photo-crash and the sync lag are familiar territory. The intermittent 500s on the order endpoint are trickier without seeing the logs, but that's the kind of thing I'd trace through middleware before touching the route handler. I've handled production hotfixes like this before — tight window, existing codebase, clean PRs expected. I can turn around reviewed commits with basic regression coverage. What timezone are you in? Want to do a quick 10-minute walkthrough of the repo before I start?
$225 USD in 3 days
8.1
8.1

Hi there, I’m interested in your project and can jump into your existing React, React Native, Node.js, and Postgres codebase to troubleshoot and fix the production issues—starting with the Insights Dashboard data loading problem, followed by the API instability, UI layout glitch, sync delays, and mobile crash during photo uploads. Before I begin, could you confirm whether you already have centralized logging (e.g., Sentry, Datadog, or similar) in place for both web and mobile, or should part of the debugging setup be added as well? Kindly send me a message to discuss more in detail so I could share my previous full-stack debugging and production maintenance experience with you. Thank you!
$180 USD in 4 days
7.7
7.7

⭐⭐⭐⭐⭐ Experienced Full-Stack Developer to Fix Repsly Platform Bugs ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project needs and see you're looking for an experienced full-stack developer. You don’t need to look any further; Zohaib is here to help you! My team has completed over 50 similar projects for full-stack development. I will dive into your live Repsly platform, addressing the production bugs efficiently. ➡️ Why Me? I have 5 years of experience in full-stack development, focusing on React, Node.js, and database management. My skills include debugging, API integration, and CSS/layout adjustments. Additionally, I have a strong grip on Postgres and React Native, ensuring a smooth process for your project. ➡️ Let's have a quick chat to discuss your project details. I can show you samples of my previous work and how I can help stabilize your platform. Looking forward to chatting with you! ➡️ Skills & Experience: ✅ React ✅ Node.js ✅ React Native ✅ Postgres ✅ CSS/Layout Design ✅ API Integration ✅ Debugging ✅ Git Version Control ✅ Regression Testing ✅ Data Synchronization ✅ Error Handling ✅ Performance Optimization Waiting for your response! Best Regards, Zohaib
$150 USD in 2 days
7.7
7.7

Hi, this reads like a live production triage job inside a mature retail execution platform, and I’ve handled this kind of codebase drop-in work where the real value is isolating failure boundaries fast and shipping clean fixes without destabilizing adjacent flows. The main engineering risk is not the individual bugs; it’s shared state and sync behavior across dashboard aggregation, order submission, and mobile media handling causing symptoms in multiple surfaces at once. I usually structure this kind of pass by reproducing each issue against logs first, then separating data-loading faults, UI regressions, and sync-path failures so fixes are testable in isolation. The closest match on my side is Custom Feature Development & Integration, where I stepped into an existing product, reviewed the codebase, worked through UI and database-layer issues, and delivered changes in a clean branch with documentation and tests. Squarespace Checkout Streamlining for Meal Service -- 2 is also relevant on the frontend side because it involved responsive behavior, validation logic, and stabilizing order-related flows. Given your stack, I’d start with the Insights Dashboard and the intermittent 500s, because those usually expose the highest-value root cause signals. Then I’d trace the mobile sync lag and photo crash through persistence, queueing, and payload handling rather than treating them as isolated app bugs. Thanks, Hercules
$140 USD in 7 days
7.3
7.3

Hi, We’ve developed similar platforms with React, Node.js, and Express, where we integrated multiple third-party APIs and handled complex data flows. We also have extensive experience with CI/CD pipelines, ensuring that production issues are addressed quickly and efficiently. In addition to fixing bugs, we can enhance your product by improving existing features or adding new ones. We’ve worked with several startups as dedicated product developers, fully immersing ourselves in their business and delivering valuable results. Let’s schedule a 10-minute call to discuss your project in more detail and see if I’m the right fit. I usually respond within 10 minutes. Best regards, Adil
$152.90 USD in 7 days
6.9
6.9

I can jump into your production codebase and start knocking out these bugs immediately — React, React Native, Node/Express, and Postgres is exactly my daily stack. For the Insights Dashboard, I'll trace the data-fetching pipeline from API calls through to the widgets to identify where the external/internal responses are failing or timing out. The CSS layout shift is likely a flex/grid issue on resize that I'll pin down with DevTools and fix cleanly. For the intermittent 500s on the order endpoint, I'll dig into your production logs and error traces to find the race condition or unhandled edge case, and for the sync lag I'll profile the data flow between mobile and web to identify the bottleneck — likely a polling interval or websocket issue. The photo crash on mobile I'll reproduce locally and check for memory/permissions handling. Clean PRs with regression tests for each fix, clear commit messages. Give me repo access and those production logs and I'll get started right now.
$30 USD in 1 day
6.5
6.5

Hello there! Your immediate need for a Full Stack Developer to fix critical production bugs on Repsly by Sunday night immediately grabbed my attention. I'm ready to tackle the Insights Dashboard's data loading, CSS glitches, intermittent 500s (Node.js/Express), data-sync lag, and the mobile photo crash. My strong background in React, React Native, and CSS, combined with solid backend development experience (including Node.js environments), makes me a perfect fit for your stack. I'm adept at confident debugging, delivering clear Git commits, and thorough testing. I'm eager to get repo access, dive into the codebase, and deliver stable, reviewed pull requests well before Sunday night. Let's get your platform running smoothly again! Regards, Nikhil Chandra Roy.
$140 USD in 7 days
6.3
6.3

Hi, the blank Insights Dashboard widgets and the intermittent 500s on your order-submission endpoint may share a root cause — one unhandled rejection from an external REST service cascading instead of failing per-widget. Worth ruling out before treating them as separate tickets. How I'd work it: - Wrap external API calls with per-source timeouts + fallbacks so one slow service can't blank the dashboard - Trace the Express 500s through your production logs and add the missing error handling - Photo-attach crash on in-store audits: usually Android file-URI/memory on large images, so resize before upload I work daily in React, React Native and Node.js on Postgres, so confident debugging in a mature codebase with reviewed pull requests by Sunday is realistic. Is the data-sync lag a polling interval, or are you missing push/webhooks between the mobile app and web dashboard? Asif
$250 USD in 3 days
6.0
6.0

Regarding your Repsly platform, I see the Insights Dashboard is a major chokepoint. Ensuring data loads seamlessly from your database and APIs is crucial. My approach targets optimizing API call concurrency and caching to deliver results swiftly. Recently, I revamped a dashboard, reducing data load times by 40%, enhancing user engagement. To sweeten the deal, I include 30 days of post-deployment bug-fixing. Is there a specific third-party API causing the most trouble? Let's discuss how I can tackle this promptly.
$50 USD in 1 day
5.9
5.9

Hi, I am comfortable jumping into existing production systems and working through critical issues methodically while keeping risk to a minimum. Your project aligns well with my experience debugging React, React Native, Node.js, PostgreSQL, API integrations, and synchronization workflows in mature applications. I would begin by reviewing the production logs, recent deployments, API responses, and database queries affecting the Insights Dashboard to identify why data is failing to populate. From there, I can work through the remaining issues, including the Field Team Management layout bug, intermittent order submission failures, data synchronization delays between mobile and web, and the mobile crash related to image attachments. My approach is to isolate root causes, implement targeted fixes, validate behavior with regression testing, and submit clean, well documented commits or pull requests so changes remain easy to review and maintain. I am comfortable working independently once I have access to the repository, logs, and a brief overview of the environment. Given the urgency, I can focus on the highest impact production issues first and provide regular updates as fixes are completed and verified. Best, Justin
$140 USD in 7 days
6.1
6.1

Hi! My name is Marjan and I'm here to offer you my services as a skilled applicant with over a decade of experience working on Freelancer.com. l believe I am the best fit candidate for this project due to my extensive experience; I would like to have a discussion to get to know that we both are on the same page. Once the scope will be locked, I will start working on it right away.
$140 USD in 7 days
6.0
6.0

Hello, I have 4 years of experience in Full Stack Development, specializing in Node.js, CSS, NoSQL Couch & Mongo. I understand your requirement for resolving production bugs in the Repsly retail-execution platform. I will prioritize fixing the Insights Dashboard data loading issue and address CSS/layout glitches in the Field Team Management view. I am well-versed in debugging Node.js/Express endpoints and ensuring seamless data synchronization between React Native mobile app and the web dashboard. I am confident in my ability to deliver clean, reviewed pull requests by Sunday night. Let's connect in chat to discuss further details. Best regards, Taimoor from Pixels Soft
$199 USD in 7 days
5.7
5.7

Hello! A production platform in Philadelphia with a blank Insights Dashboard, intermittent 500s on order submission, sync lag between React Native and web, and a mobile crash on photo attachment — all before Sunday night. Tight but very doable with the right approach. Blank dashboard widgets are almost always a failed API call or a Promise rejection being swallowed silently — I'll check the network tab and server logs first before touching any code. The intermittent 500s on the Node.js endpoint I'll trace through the error logs to find the exact condition triggering it, likely an unhandled edge case or a race condition under load. Mobile crash on photo attachment is usually a memory or file size issue in React Native — straightforward to isolate with the crash logs. Clean git commits, regression tests after each fix, PRs ready for your review before Sunday night. Send me a message and let's get repo access sorted right now. Mateo
$220 USD in 2 days
5.3
5.3

Hello, I came across your Full Stack Developer and I am very interested in working with you. I have reviewed your requirements and full understand the scope of expectations. I specialize in CSS, Full Stack Development, and have successfully delivered similar projects before. I am committed to delivering high-quality work with reliability, clarity and professionalism. I work transparently throughout the project progress, deadlines and expectation stay clear at every stage. I would be glad to disucss further details and am ready to start immediately. Looking forward to hearing from you. Regards. Anum
$140 USD in 2 days
5.5
5.5

Hi Sir, I am full-stack developer, my mission is to leverage my extensive experience in AI, software engineering, and data analytics to solve your challenging problems and augment your business operations. Not only have I successfully executed over 120 projects like yours over the past 7+ years, but I have also effectively integrated with multi-tier systems while being entrusted with access to live code repositories and production logs.
$120 USD in 2 days
5.3
5.3

Here's a concise, client-winning proposal: Hi, I can jump in immediately and start debugging the issues you've outlined. I have experience working with React, React Native, Node.js/Express, PostgreSQL, API integrations, and production troubleshooting in live environments. My approach is to prioritize the Insights Dashboard data-loading issue first, then work through the 500 errors, sync delays, UI glitches, and mobile crash while documenting fixes with clean commits and regression testing. I'm comfortable working in mature codebases, analyzing logs, tracing API/database issues, and delivering reviewed pull requests quickly. If you can provide repo access and a brief hand-off, I can get started right away. Muhammad Usman
$220 USD in 2 days
5.0
5.0

Hi, I’m confident I can quickly jump into your Repsly retail-execution platform and resolve the pressing issues before the weekend ends. With extensive full-stack development experience in React, React Native, Node.js, and PostgreSQL, I’ve successfully debugged complex API integrations and fixed production bugs under tight deadlines. I will first stabilize the Insights Dashboard by ensuring all data sources load correctly and then systematically address the UI glitch in Field Team Management, eliminate the 500 errors in your order-submission endpoint, reduce the syncing lag, and stop the mobile crash on photo attachments. I prioritize clean, reviewed pull requests and thorough regression testing to ensure lasting fixes. Once I have repo access and logs, I’ll immediately start and aim to deliver by Sunday night. Can you share any recent debug logs or error messages related to the Insights Dashboard issue? Best regards,
$155 USD in 29 days
5.2
5.2

It sounds like the biggest risk here is that several of these issues are probably connected rather than isolated bugs. I’d start with the Insights Dashboard since blank widgets usually point to failures somewhere in the data aggregation path—API responses, database queries, timeouts, or error handling that’s swallowing useful information. With production logs and repo access, I’d trace that flow first and get reliable loading back in place before touching downstream issues. From there I’d tackle the intermittent 500s on the order endpoint by reproducing failures against logs and request patterns, then add regression coverage around the root cause before merging. The sync lag and photo-upload crash would be next, since both sound like state, queueing, or payload-handling problems that can affect field reps directly. I recently worked on a large Express-based platform where tracking down inconsistent API behavior ended up resolving multiple frontend symptoms at once, so I’m comfortable jumping into a mature codebase and working from evidence rather than assumptions. I can start as soon as access is available.
$150 USD in 1 day
4.9
4.9

Dear Client, I’m a Full-Stack Developer with 10+ years of experience maintaining and debugging production web and mobile applications. I hold a B.Sc. in Computer Science and Engineering from BUET and specialize in quickly identifying root causes and delivering stable fixes. I understand you need urgent assistance resolving multiple production issues within a live Repsly-based platform, including dashboard data-loading failures, intermittent API errors, synchronization delays, mobile crashes, and frontend layout problems. I have extensive experience troubleshooting React, React Native, Node.js, PostgreSQL, API integrations, and large codebases, with a strong focus on debugging, performance optimization, regression testing, and clean version-controlled delivery. My expertise in React, React Native, Node.js, PostgreSQL, REST APIs, Git, and production support enables me to contribute immediately. Feel free to share repository access and logs. I’m ready to start right away. Looking forward to hearing from you. Best regards, Md Ruhul Ajom
$70 USD in 2 days
4.9
4.9

Finksburg, United States
Payment method verified
Member since Jun 6, 2026
€30-250 EUR
₹400-750 INR / hour
$10-30 USD
$30-250 USD
$30-250 USD
$1500-3000 USD
₹12500-37500 INR
₹12500-37500 INR
₹600-1500 INR
$30-250 USD
₹75000-150000 INR
₹1500-12500 INR
₹12500-37500 INR
₹1500-12500 INR
$15-25 USD / hour
min $50 AUD / hour
₹12500-37500 INR
₹100-400 INR / hour
₹12500-37500 INR
$10-30 USD