Fix API & UI Bug in PERN Stack App

@letscms

Hello Sir I am experienced software developer. i will check and identify root cause of issues on API. I would ask you API build in FastApi or flask. I have 12+ years of experience. Looking For Positive response Best Regards Jitendra Sharma

@ssquare489

Having built numerous PERN and MERN stack applications throughout my career, I have a deep understanding of the unique challenges they present, especially when it comes to debugging and troubleshooting. With my experience in both backend development and frontend UI UX, I am perfectly suited for your project. For this specific task of fixing API and UI bugs in your PERN app, I approach it with a two-fold perspective: one targeted towards investigating the issue's root cause, be it a query or state handling problem and another towards providing a minimal but correct fix that ensures seamless data flow between your PostgreSQL database and the frontend. My work is focused and precise, characteristics that are essential for addressing short-term projects like yours. But more than just delivering results on-time, I prioritize quality alongside effective communication, ensuring that you stay in the loop throughout every stage of the project. Let’s collaborate and turn your application into a bug-free masterpiece. Reach out to me so we can discuss further! (677 words)

@Ahmedyar547005

Hey , I just went through your job description and noticed you need someone skilled in Java, Node.js, Backend Development, PostgreSQL, NoSQL Couch & Mongo, API Integration, API Development, MySQL, Frontend Development and JavaScript. That’s right up my alley. You can check my profile — I’ve handled several projects using these exact tools and technologies. Before we proceed, I’d like to clarify a few things: Are these all the project requirements or is there more to it? Do you already have any work done, or will this start from scratch? What’s your preferred deadline for completion? Why Work With Me? Over 180 successful projects completed. Long-term track record of happy clients and repeat work. I prioritize quality, deadlines, and clear communication. Availability: 9am – 9pm Eastern Time (Full-time freelancer) I can share recent examples of similar projects in chat. Let’s connect and discuss your vision in detail. Kind Regards, Zain Arshad

@zeeshanhacker283

Hi, I can quickly fix your PERN stack bug where the API responds but the UI fails to display PostgreSQL records properly. With 3+ years as a Senior PHP Developer, I've debugged countless API-frontend issues in high-traffic Laravel/Vue.js apps at ACE Money Transfer and Digital Aimz. My experience aligns perfectly: - Built and optimized RESTful APIs with MySQL (similar to PostgreSQL) and Redis caching, reducing response times by 25-30%. - Developed Vue.js interfaces for real-time data display, handling state and API integrations flawlessly for 15,000+ users. - Debugged and fixed data flow problems in payment systems, ensuring 100% accuracy without refactors. I'll investigate API queries, frontend state, apply a minimal fix, and verify resolution—done in hours for short tasks like this. Available immediately. Can we hop on a quick call to discuss the bug details?

@chiragardeshna

Hi there, I am a strong fit for this task because I focus on isolating and fixing data flow bugs in existing PERN applications without introducing unnecessary changes. I have hands-on experience debugging PostgreSQL queries, API response handling, and React state issues that cause UI inconsistencies. I work directly with Express APIs, SQL queries, and React hooks or state management to trace issues end to end. I reduce risk by identifying the exact failure point, applying the smallest possible fix, and verifying behavior across the affected cases only. I am available to start immediately and can resolve this as a short, focused debugging task. Regards Chirag

@ayesha86664

Hi there! A bug that blocks data from showing correctly can disrupt your app’s workflow and frustrate users. Even when the API responds, if the frontend doesn’t render properly, it creates confusion and slows down usage. I can investigate the PERN stack interaction, identify whether the issue is in the PostgreSQL query, API logic, or React state, and apply a minimal, precise fix. I’ll verify everything works as expected so your data flows smoothly without any unnecessary changes or refactoring. Can you share the specific API endpoint or component where the issue occurs? Start a chat now, and I can fix your app’s data flow quickly and efficiently.

@dorians2

Hi there, I have 7+ years of experience in PostgreSQL, Java, API Development and can deliver a clean, reliable solution for your project. I value clear communication and timely delivery, and I’m ready to get started immediately. Let’s connect and discuss your goals. Best regards, Dorian

@craigd43

Having spent considerable time working with both the MERN and PERN stacks, I'm well versed in hunting down and resolving those pesky, intermittent bugs that can wreak havoc on a project's functionality. My experience includes conducting thorough investigations into the flow of data between APIs and frontend systems, ensuring that the intended outcomes are consistently achieved. In terms of your specific needs, I'm confident in my ability to tackle this debugging task efficiently. Whether it involves unearthing query issues, digging into API logic or examining React state handling, I'm comfortable with these backend and frontend intricacies. As a seasoned developer conversant with PHP, Node.js, Vue.js, and C#, I have mastered debugging techniques that allow me to pinpoint issues swiftly and find minimal, correct fixes to ensure full resolution and optimization. In all my work, I bring a meticulous attention to detail aimed at delivering code that is not only effective but efficient and scalable as well. With me on your team, you can expect a focused approach that will address this issue quickly so that you can get back on track without any further disruptions. I am looking forward to having the opportunity to showcase my skill set by assisting in fixing your PERN stack application promptly.

@daniela0725

Hola, soy desarrollador Full Stack con amplia experiencia en el desarrollo de aplicaciones utilizando el stack PERN (PostgreSQL, Express, React y Node.js). Estoy seguro de poder ayudarte a identificar y corregir el bug que se presenta al obtener y renderizar registros desde PostgreSQL en la interfaz de usuario, asegurando un flujo de datos estable y un comportamiento consistente del frontend. Estoy disponible para comenzar de inmediato; si deseas más detalles o tienes alguna pregunta, no dudes en escribirme por el chat y lo revisamos juntos.

@Expertshut

Hello, I am a senior full-stack developer specializing in the PERN stack. I have extensive experience in debugging asynchronous data flows and state synchronization issues between Node.js/Express APIs and React frontends. My Debugging Approach: Network Audit: Inspect the API response headers and payload structure to ensure data integrity. Query & Logic Check: Verify the PostgreSQL query results and any backend middleware transformations. State Mapping: Debug the React lifecycle and state updates to find where the data-to-UI handshake is failing. I provide minimal, surgical fixes that resolve the root cause without bloating your codebase. I can start immediately and turn this around quickly. Regards Saira

@AnumFatima210

Experienced with PERN and MERN stacks and strong at debugging API to React data flow issues. I will trace the problem across PostgreSQL queries backend logic and React state to identify the exact root cause. I will apply a minimal correct fix and verify the issue is fully resolved.

@draganv2

Hello! I can help you resolve the issue with your web app’s data flow between the API and frontend. With extensive experience working with the PERN stack, I’m confident I can quickly investigate and debug the API ↔ frontend interaction, identify the root cause, and apply a minimal fix to ensure your UI behaves as expected. Let’s chat to get the issue sorted efficiently! Best regards, Dragan

@workwithsubarna

Hi client, I will help you debug the web app. I am a experienced web developer with good debugging skills. Share me your repo and I will start debug. I will try to deliver it you by today.

@mojjammil

Hello, I am immediately available to troubleshoot and resolve the API-UI interaction issue. My experience with PERN stack applications includes debugging data flow problems between PostgreSQL and React, ensuring accurate data display. I would investigate the API responses and React's state handling, applying a minimal fix to address the root cause. Once fixed, I will verify the solution thoroughly. Would you like to discuss the specific bug scenario to clarify the issue further? Best regards, Mojjammil

@Mayanks010

Hi there, You’re absolutely in the RIGHT PLACE. I’ve delivered SIMILAR PROJECTS multiple times and know EXACTLY how to execute this efficiently and correctly from day one. To lock down the SCOPE, TIMELINE, AND PRICING, I’ll need to ask you a few key questions. Unfortunately, Freelancer’s 1500 CHARACTER LIMIT doesn’t allow me to break everything down properly here. Let’s jump on CHAT so I can show you my PROVEN PAST WORK, walk you through the REAL RESULTS I’ve delivered, and outline a CLEAR ACTION PLAN for your project. You’ll immediately see why my approach is DIFFERENT and EFFECTIVE. If you’re serious about getting this done RIGHT, I’m ready to move forward. Looking forward to CONNECTING and WINNING TOGETHER. Cheers, Mayank B

@ViktorTrefilov01

✨✨✨✨✨ Hi, I have hands-on experience debugging PERN and MERN stack applications, especially issues where APIs respond correctly but frontend state or rendering breaks in edge cases. I’ll trace the full data flow—from PostgreSQL query through the API layer to React state and components—to pinpoint the exact root cause. My approach is minimal and precise: apply only the fix that’s needed, without refactors or feature creep. I’ll verify the resolution end-to-end so records fetch and display correctly in all affected scenarios.

@taofiq12

Hi, this is right in my wheelhouse. I work daily with PERN/MERN stacks and specialize in debugging API ↔ frontend data flow issues — especially cases where the backend responds but React state or rendering breaks in edge scenarios. I’ll trace the request from PostgreSQL → API → React, identify the exact failure point (query, controller, or state handling), and apply a minimal, safe fix without refactoring or adding features. You’ll get: Clear root-cause explanation Clean, targeted fix Verification that the UI now behaves correctly I can start immediately and this should be a short, focused task.

@gazmirs

Hi I am a passionate fullstack developer with strong experience in PERN-style stacks, including PostgreSQL, Node.js, Express, and React. I’m comfortable debugging data flow issues across API queries, backend logic, and frontend state handling. I’m ready to start immediately and can fully commit to your team. For your task, I can investigate the API-to-UI interaction, identify whether the issue is coming from the SQL query, API response handling, or React state logic, and apply a minimal, correct fix without refactoring or adding features. I’ll verify the issue is fully resolved before delivery. Looking for your reply. Best Regards, Gazmir

@bilal0356

Hello Robert K., We went through your project description and it seems like our team is a great fit for this job. We are an expert team which have many years of experience on Java, JavaScript, NoSQL Couch & Mongo, MySQL, Node.js, PostgreSQL, Backend Development, Frontend Development, API Development, API Integration Lets connect in chat so that We discuss further. Regards