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My React / Django product is functional but sluggish: page-to-page navigation feels heavy and the interface hesitates while assets and data arrive. Front-end responsiveness is my top concern, with loading speed during route changes standing out as the clearest pain-point. I’d like you to profile the whole stack—React, Django REST, Postgres, Docker containers—and surface the real bottlenecks, then implement fixes that hold up in production. That may involve component-level code-splitting, smarter state management, query optimisation, async views, or container tuning; I’m open to whichever proven techniques your investigation justifies, provided the end result is measurable and clearly documented. Deliverables • A short report summarising each bottleneck found, the metric before/after, and the remedy applied • Clean, tested commits (unit or integration as appropriate) for both frontend and backend • Updated Docker files or scripts if runtime tweaks are needed • Inline comments plus a concise README section describing how to reproduce the benchmarks and run the new build Quality is paramount, so please favour readable code, descriptive commits, and reliable tests over quick hacks. If something blocks progress—whether a library, build pipeline, or infrastructure quirk—flag it early and we’ll resolve it together.
Project ID: 40678073
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66 freelancers are bidding on average ₹23,975 INR for this job

Hi Valuable Client, CnEL India can help optimize your React/Django application by identifying the actual performance bottlenecks and applying measurable, production-safe improvements. **Our methodology:** 1. **Performance audit** – Profile React, Django REST APIs, PostgreSQL, Docker and network/asset loading to establish reliable baseline metrics. 2. **Bottleneck identification** – Analyze route transitions, rendering, API response times, database queries, state management, bundle size and container performance. 3. **Frontend optimization** – Implement code splitting, lazy loading, optimized state handling, caching and asset optimization where profiling justifies them. 4. **Backend & database tuning** – Optimize slow APIs, PostgreSQL queries/indexes and Django processing, including async improvements where appropriate. 5. **Docker/runtime optimization** – Review container configuration and resource usage and improve build/runtime efficiency if required. 6. **Testing & benchmarking** – Re-test key workflows and document before/after metrics to verify that improvements are measurable and stable. 7. **Handover** – Provide clean commits, updated Docker files/scripts, inline documentation and a concise README covering benchmark reproduction. We’ll prioritize readable, maintainable fixes over shortcuts and flag any infrastructure or dependency blockers early.
₹25,000 INR in 15 days
7.8
7.8

Before any code splitting, I'd check the API. In Django REST, a nested serializer on a list endpoint fires one query per row. Fifty results, fifty extra queries. That shows up as the page hesitating while data arrives, and it looks like a frontend problem when it isn't. select_related and prefetch_related usually cut it hard. Second thing, code splitting can make route changes feel worse. Right now the route chunk loads, then the component mounts, then the fetch starts. Three steps in a line. Splitting adds a chunk to that line. The fix is prefetching the chunk on link hover and starting the data request at the same time, not after. I'd want a week to measure first, with production-size data. A dev container with a small seed database hides everything. Then we agree the fix list before I touch anything. Honest note. React, Postgres and Docker are daily work for me. Django I've used on one build, a Python NLP system, so I know the ORM but I'm not a Django specialist. Which route is the slowest, and how many rows does its main endpoint return?
₹25,000 INR in 7 days
6.7
6.7

I can profile the full React/Django/Postgres/Docker stack, identify the actual causes of slow route transitions and delayed rendering, then apply targeted fixes across frontend, API, database queries, and runtime configuration. I’ll provide measurable before/after benchmarks, clean tested commits, any required Docker updates, and concise documentation showing what changed and how to reproduce the performance tests.
₹15,000 INR in 7 days
6.1
6.1

Route-change lag in a React/Django stack is usually two things stacked: an unsplit bundle on the front, and a REST endpoint doing N+1 queries on the back. I'll profile with React Profiler and Django Silk, then ship route-level code-splitting, query fixes with select_related/prefetch, and a before/after report with reproducible benchmarks. Caching headers matter as much as the queries themselves, since repeat navigations shouldn't refetch static payloads. 1) Is SSR in play, or purely CSR with Django as API? 2) Which two routes feel worst today? Looking forward to it. Shayan
₹21,250 INR in 5 days
5.4
5.4

Hi there, Your React/Django stack sounds like a classic hydration + N+1 query combo — I've cut route-change latency from 3s to sub-200ms on similar setups by profiling with py-spy/React Profiler, then applying code-splitting, select_related/prefetch_related, and async Django views with proper DB connection pooling. What I'll do: ✅ Profile frontend (React Profiler, Lighthouse) and backend (py-spy, Django Debug Toolbar, pg_stat_statements) to pinpoint exact bottlenecks ✅ Implement route-level code-splitting, optimize serializers/querysets, add async views where I/O-bound, tune Gunicorn/workers and Postgres config in Docker ✅ Deliver before/after metrics report, clean commits with tests, updated Dockerfiles, and a reproducible benchmark README ✅ Back up DB and snapshot containers before any changes; stage fixes behind feature flags for safe rollout ✅ React performance profiling & code-splitting ✅ Django ORM optimization & async views ✅ PostgreSQL query tuning & connection pooling ✅ Docker/Gunicorn runtime tuning ✅ Microsoft® Certified: MCSA | MCSE | MCT ✅ 300+ projects delivered, 280+ five-star reviews Why me: 24/7 availability and unlimited revisions until you're satisfied. One question: Is the current Docker Compose running a single Gunicorn worker per container, or are you already using multiple workers with preload? I can deliver in 1 day for 17885 INR and can start right now.
₹17,885 INR in 1 day
5.0
5.0

Hi. I can optimize your React and Django application to eliminate page lag and speed up navigation. My action plan is to profile your React bundle for code-splitting opportunities, optimize Django REST API queries with selective prefetching, index Postgres, and tune Docker resource limits for faster response times. I am available to start immediately. Reach out so we can discuss the project details further. cheers Nehal
₹18,000 INR in 7 days
5.1
5.1

As a veteran in the field, I have dedicated years to refining my mastery in both backend and frontend development. With JavaScript and Python being my primary languages, your project's tech stack of React and Django is right in my wheelhouse. My expertise extends to proficiently optimizing performance in complex systems such as yours. I approach projects not merely from a technical standpoint, but with the understanding that code should be clean, readable, and effective for long-term success. I pledge to embark on a comprehensive analysis of your entire stack - seeing beyond surface-level issues to get to the root of any underlying performance bottlenecks. Then, I will employ proven techniques such as code-splitting, smarter state management, query optimization - tailored specifically to your unique needs. My commitment to delivering tangible results is evidenced by my detailed and concise reports, plus clear README sections so that you can reproduce the benchmarks and better understand the implemented changes. Where some developers may prioritize quick fixes over long-term quality, I value standards in every aspect - from clean commits and thorough tests to updated Docker files and scripts for necessary runtime tweaks. This meticulousness extends to timely communication; if any blockers arise, we will face them together head-on.
₹12,500 INR in 5 days
4.8
4.8

Hi, I can profile your complete React + Django REST + PostgreSQL + Docker stack and fix the actual bottlenecks instead of applying generic optimizations. I’ll focus especially on route-change performance and frontend responsiveness, while also checking API latency, database queries and container/runtime overhead. I’ll investigate: • React re-renders, bundle size & code-splitting • State management and asset loading • Django REST endpoints & async/blocking operations • PostgreSQL slow queries and indexing • Docker resource/runtime configuration You’ll receive measurable before/after metrics, clean tested commits, updated Docker/README documentation where required, and a concise benchmark report explaining every fix. I prioritize readable production-ready code, reliable tests and measurable improvements rather than quick hacks. I’m available to start immediately.
₹15,000 INR in 7 days
4.8
4.8

I am Amarjeet, a seasoned MERN STACK Web Developer, known for my dedication to producing dynamic and responsive web applications. Over the course of my 5-year career, I have developed an intuitive understanding of how to optimize application performance, especially using a powerful stack like React and Django. One of my strong suits is Next.js- its features allow me to significantly enhance web application performance, making it the perfect fit for your project. When it comes to your project's bottlenecks and necessary fixes for improved performance, you can trust that I will invest the diligence required to get it right. My commitment to delivering top-notch quality means that I have a soft spot for clean code, descriptive commits and effective tests – the kind of work you seek. Additionally, my expertise in handling back-end development with databases including PostgreSQL is sure to come in handy during your project optimization. In conclusion, what makes me the best choice for this project though is not just my skills, but also my mindset. I do not believe in quick hacks but prioritize on delivering reliable and maintainable solutions.I assure you that any challenge we face during this process will be flagged early and tackled together to guarantee a smooth project execution. Let's work together for an optimized and efficient Result
₹25,000 INR in 18 days
4.7
4.7

As a seasoned computer scientist with a strong background in both academia and software engineering, I’m well-positioned to tackle the task of improving your web application's performance. Throughout my nearly 20-year career, I've handled multiple large scale projects, developed reliable software solutions, and led teams through various technical challenges - exactly what your project calls for. I have extensive experience working with technology stacks similar to yours, including React, Django REST, Postgres and Docker containers. I'll be able to meticulously profile each component of your stack and isolate any performance bottlenecks. Then, applying an approach rooted in data-driven problem-solving and optimization, I'll employ proven techniques such as code splitting, query optimization, and container tuning to ensure the responsiveness of your application improves noticeably. Moreover, my recent work at an AI startup involved building scalable frontend and backend architecture as well as deploying neural network-based models for different purposes. Thus, I am confident in my ability not only to enhance the functionality of your application but also to deliver code that's clean, well-tested, and maintainable - all with minimal disruption to your current workflows. Let’s optimize your application for speed and efficiency together!
₹12,500 INR in 7 days
4.7
4.7

Hi there, I'm Karthik, a seasoned developer with 15+ years of expertise in optimizing web applications, particularly with React, Django, and PostgreSQL. I understand your concerns regarding performance and am eager to enhance your app's responsiveness. I will conduct a thorough profiling of your stack to identify bottlenecks and implement targeted optimizations, including code-splitting, state management improvements, and query optimization. My approach ensures that the solutions are not only effective but also maintainable in production. Deliverables will include: - A detailed report outlining identified issues, metrics before/after optimization, and implemented solutions. - Clean, tested commits for both front-end and back-end, adhering to best practices. - Updated Docker configurations if needed. - Comprehensive inline comments and a README for easy reproduction of benchmarks and builds. Quality is my priority. I'll ensure readable code and reliable tests, addressing any roadblocks promptly. Looking forward to collaborating on this project! Best, Karthik
₹25,000 INR in 7 days
5.0
5.0

Coming from a diverse background including back-end and front-end development with over 40 successful projects under my belt, I am confident in my ability to identify and address the bottlenecks currently hindering your web application. Your project resonates with me deeply. For years, I have been committed to optimizing performance while building high-quality software. I've consistently leveraged proven techniques, like those you've outlined for this project (code-splitting, smarter state management, etc.), into measurable enhancements. Moreover, I will provide a thorough report on any bottlenecks discovered, metrics before/after the necessary fixes were applied, and document each remedy; quality is paramount to me. My dedication extends even to your build pipeline and infrastructure; should any issues arise there, I'm not one to resort to quick hacks but rather flag and resolve problems swiftly and collaboratively. In essence, with my experience in Docker containers, knowledge of React, Django REST framework, Postgres along with my dedication to readable code and reliable tests in order to maximize optimization potential sets me apart from the crowd. Choosing me for this project gives you access to a problem solver who will not only meet your expectations but exceed them in terms of performance improvements and excellent communication throughout the process. (880 characters)
₹12,500 INR in 3 days
4.8
4.8

Hello, I'm Asma, Web Developer and Graphic Designer with 10 years of experience working with clients and agencies from around the world. Creative problem solver with a passion for creating visually appealing and user-friendly digital solutions. I love building luxurious brands and designing captivating visual identities. I've worked with clients in lifestyle, property, fashion, hospitality, and luxury sectors. 24/7 Support & Faster Response . #WEBSITE DESIGNING / DEVELOPMENT #WORDPRESS/HTML/JS/CSS/PHP/LARAVEL/SHOPIFY #GRAPHIC DESIGNING #UX/UI #FIGMA #SQUARESPACE #SOCIAL MEDIA MARKETING #PHOTOSHOP/ILLUSTRATOR #GOOGLE ADS #JEWELERY DESIGNER #LOGO DESIGN #BANNER DESIGN #BUSINESS CARD #STATIONARY DESIGN #CD COVER #POWERPOINT PRESENTATION #BOOK COVER #LETTERHEAD DESIGN #3D LOGO #WORDPRESS #WEBSITE PAGE SPEED UP UPTO 95-99 #WEBSITE SEO #FIGMA TO WORDPRESS/HTML/JS/CSS/PHP/LARAVEL #PSD TO WORDPRESS/HTML/JS/CSS/PHP/LARAVEL ...... ETC :)
₹25,000 INR in 1 day
4.0
4.0

I would baseline the slow route transitions first: browser network/render timings, React profiling, Django request/query timings and Postgres query plans. That should distinguish oversized bundles and repeated fetching from backend latency before choosing fixes. My ₹30,000 proposal is an 8-day optimization sprint covering the main bottlenecks, tested commits and reproducible before/after benchmarks; no arbitrary speed percentage promised before measurement. I would preserve API behaviour and document any Docker changes with a rollback path. Which 2–3 routes feel slowest, and is staging available with representative data?
₹30,000 INR in 8 days
4.0
4.0

✔ I deliver 100% work — 99.9% is not for me. ✔ Workflow Diagram Full-Stack Profiling ⟶⟶ Bottleneck Identification ⟶⟶ React Optimization ⟶⟶ Django/Postgres Tuning ⟶⟶ Docker Optimization ⟶⟶ Benchmarking ⟶⟶ Production Validation Key Highlights ✔ Profile React, Django REST, PostgreSQL, and Docker to identify the actual causes of slow navigation. ✔ Measure route-change performance, API latency, rendering time, database queries, and resource loading before changes. ✔ Apply code-splitting, lazy loading, caching, and component/state optimizations where profiling justifies them. ✔ Optimize Django REST queries, serializers, async operations, and database access without changing functionality. ✔ Review PostgreSQL execution plans, indexes, joins, and expensive queries for measurable improvements. ✔ Tune Docker configuration, resource usage, startup behavior, and runtime settings where required. ✔ Add or update unit/integration tests to ensure performance fixes do not introduce regressions. ✔ Provide before/after metrics for every major bottleneck and document the applied remedy. ✔ Deliver clean commits, updated Docker files/scripts, inline comments, and reproducible benchmark instructions. Best Regards, Asad Full-Stack Developer | React | Django | PostgreSQL | Docker
₹18,000 INR in 13 days
3.6
3.6

Hi, Your main issue is clear: route-to-route navigation and frontend responsiveness are suffering, so I’d profile the entire React → Django REST → database → Docker path before changing code. I can identify and fix the actual bottlenecks across: • React rendering, bundles and route-level code splitting • State management and unnecessary re-renders • Django REST/API latency • PostgreSQL queries, indexes and N+1 issues • Async/blocking backend operations • Docker/container runtime configuration My process is measurement-first: establish baseline metrics, profile each layer, apply targeted fixes, rerun benchmarks, and document the measurable before/after results. I’ll keep the implementation readable, tested and production-safe. I’ll also provide descriptive commits, updated Docker configuration where necessary, benchmark instructions and a concise README update. Could you share the repository/Docker setup and indicate which routes currently feel slowest? That will let me identify the first profiling targets quickly. I’m available to start immediately. Best regards, Ankit
₹32,700 INR in 5 days
3.4
3.4

As a seasoned web and mobile developer with over 6 successful years in both design and branding, I firmly believe my skill set closely aligns with your project's objectives. Throughout my career, I have gained in-depth knowledge and hands-on expertise in various technologies including Docker and PostgreSQL - vastly applicable to your web app enhancement goals. My work approach has always been result-oriented; I analyze problems meticulously, identify the key bottlenecks and apply relevant fixes that are measurable and thoroughly documented in a concise report format. I understand your concerns about page load time during route changes and assure you that I will dive deep into profiling each aspect of your stack, from React to Django REST to Postgres, even Docker containers, to maximize the efficiency of your application. Finally, I value quality over every other aspect; my code is clean, thoroughly tested and prioritizes readability for future scaling and maintenance purposes. I am confident that by leveraging well-established proven techniques like component-level code-splitting, smarter state management, or async views where necessary, I can amplify the performance of your application whilst ensuring that you can easily replicate all the benchmarks and run the new build. Let my expertise breathe fresher life into your product!
₹12,500 INR in 7 days
3.2
3.2

Hi, The route-change lag is the first thing I’d attack, but I wouldn’t assume the React layer is the only cause. In a React/Django/Postgres stack, slow navigation can easily come from an API waterfall, inefficient ORM query, oversized asset, or container bottleneck. I’d start by establishing before/after numbers for route transitions, API latency, database queries and asset loading, then fix the highest-impact bottlenecks. My approach: React profiling: renders, bundle size, route-level code splitting and state updates Django REST profiling: slow endpoints, serialization and blocking operations PostgreSQL: query plans, N+1 queries, indexes and unnecessary database work Docker: resource usage and runtime configuration Add targeted unit/integration tests Benchmark every major fix and document the measurable improvement Deliver clean, descriptive commits plus updated Docker/README documentation I’ll prioritize readable production-safe changes over quick hacks. Timeline: 7–10 days for profiling, optimization and validation. Ready to start with your existing Docker environment and establish the baseline. Best regards, Deepak
₹20,000 INR in 7 days
2.6
2.6

Hi, I’m a Senior Full Stack Developer with 7+ years of experience working with React, TypeScript, Node.js, APIs, PostgreSQL, and production application performance optimization. Your project is especially interesting because I prefer diagnosing performance issues from actual bottlenecks and metrics rather than applying generic optimizations. I can profile the application end-to-end, identify the highest-impact issues, and implement measurable improvements across the frontend, API, database, and runtime where required. Approach: 1. Establish baseline performance metrics 2. Profile frontend, API, database, and containers 3. Identify and prioritize the actual bottlenecks 4. Implement targeted optimizations 5. Re-run benchmarks and compare before/after metrics 6. Test the changes and document the results I’ll focus particularly on the route-change experience you mentioned, while also checking whether backend/database latency is contributing to the perceived frontend slowness. You’ll receive a clear performance report with the bottlenecks identified, changes made, and measurable before/after results. I can start immediately and will flag any infrastructure, dependency, or build-pipeline blockers early rather than working around them with unreliable fixes. Looking forward to improving the application's performance in a measurable and production-ready way.
₹35,000 INR in 10 days
2.0
2.0

Your React/Django application is functional, but the performance bottlenecks need to be identified and fixed at the root—not masked with quick optimizations. I can profile the complete stack across React, Django REST, PostgreSQL and Docker, identify what is slowing route transitions and data delivery, then implement measurable improvements. My focus will be: React bundle/code-splitting, rendering and state optimization Django API and PostgreSQL query profiling/optimization Asset loading and caching improvements Docker/runtime configuration where beneficial Before/after benchmarks with reproducible results Clean commits, tests and concise technical documentation The goal is a noticeably faster UI with measurable gains while keeping the existing architecture maintainable and production-safe. Regards, Ritesh
₹12,500 INR in 7 days
1.8
1.8

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