Freelance Software Development Jobs

Looking for a full stack developer

We’re looking for an experienced Full-Stack Developer who is based in Vietnam to help build and maintain our projects. Tech Stack: - Language: JavaScript / TypeScript / Python - Frontend: React / Next.js / Vue / Angular / Ruby - Backend: Node.js / Express.js / NestJS / Laravel / FastAPI / Django - Database: PostgreSQL / MySQL / MongoDB - Cloud: AWS / Azure (optional) Responsibilities: - Build scalable frontend features - Develop APIs and backend logic - Work with designers/product team - Ensure performance and security Requirements: - 3+ years full-stack experience - Strong Git workflow - Clean, documented code - Good communication Nice to have: - E-commerce / SaaS experience - AI or API integrations

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WordPress Developer Needed to Finalise Website

I am currently building a new industry intelligence platform focused on the UK energy transition: The website has already been set up on WordPress and the theme has been installed on Krystal hosting. The structure and main pages are in place, but I now need an experienced WordPress developer to help complete the site and improve the overall layout and functionality. The goal is to create a clean, professional editorial-style platform similar to a policy or sector intelligence publication. Tasks Required The freelancer will help with the following: • Finalising the homepage layout and structure • Improving the visual layout of article pages • Ensuring the category sections display correctly • Improving typography and spacing for a professional editorial look • Setting up featured article sections on the homepage • Optimising navigation and menus • Ensuring the site works well on mobile devices • Minor design improvements where required The site uses a WordPress news/editorial theme and the objective is to create a clean, modern industry intelligence website.

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Developer need for a (n8n + Supabase + Frontend + AI workflows)

Experienced developer needed to finish existing web app (n8n / Supabase / Frontend / AI) I need a strong developer to help finish a partially built web app. This is not a scratch build. The core product, user flow, database direction and automation logic already exist. I need someone who can step into the current setup, quickly understand it, identify what is missing, and complete the build properly. The platform accepts user-submitted data via web/email, processes it through n8n workflows and AI integrations, stores structured outputs in Supabase, and displays personalised results in a frontend dashboard. A major part of this role is the n8n side, so I am specifically looking for someone with genuine hands-on experience in n8n, Supabase, frontend integration, debugging, and production-ready implementation. Main work: - Complete frontend integration - Finish and clean up n8n workflows - Ensure stable Supabase integration - Connect frontend, automation and database cleanly - Improve AI / structured JSON reliability - Fix broken logic, incomplete flows and loose ends - Help get the app into a usable, launch-ready state You should be comfortable with: - Auth-connected frontend logic - Supabase data integration - Dashboard/history views - Email, text or document-based workflow processing - AI API integration - JSON/schema-based outputs - Retries, fallbacks and failure handling - Saving clean records and updating statuses correctly - Debugging partially built systems Please apply only if you have real experience with: - n8n - Supabase - Frontend web app development - API integrations - AI integrations - Taking existing products over the line Please do not apply if: - You only do UI/design - You only do prompt experimentation - You want to rebuild everything from scratch without a strong reason - You are guessing your way through n8n or Supabase - You send generic copy-paste proposals To apply, please send: - A short summary of your relevant experience - Examples of work using n8n + Supabase - Examples of existing builds you finished or rescued - Confirmation that you are comfortable across frontend + n8n + Supabase - Your availability over the next 2-4 weeks - A brief note on how you would approach auditing and completing this project Important: I am only looking for someone with genuine hands-on experience who can help finish a real working system, not experiment on a live project.

Skillful Full-stack Developers who can assist with our business.

We seek accomplished full‑stack developers to augment our expanding remote software team. Ideal candidates possess strong expertise in React, Node.js, and Python, delivering robust, maintainable web applications and APIs. Excellent English communication (native or near‑native) is required to collaborate across distributed teams, participate in design discussions, and produce clear documentation. Candidates should demonstrate problem‑solving aptitude, attention to detail, and a proven track record of delivering high‑quality code on schedule.

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I need a staff training database developed

I need a staff training database created, each staff member will do approximately 22x different pieces and I would like it to highlight any training that is about to run out of date, ie. for any training running out within a month to highlight yellow and any training running out within a week to highlight as red. Many thanks,

I need a website developer

I am seeking an experienced website developer to undertake a comprehensive redesign and optimization of my existing WordPress site. The goal is to enhance the site's visual appeal, functionality, and overall user experience while significantly improving its loading speed. The ideal candidate should possess a strong background in WordPress development, proficient in responsive design, and have a proven track record of optimizing website performance. If you are passionate about creating stunning, high-performing websites, I welcome your proposals for this project.

KSPAN Structure Walkthrough Video

Dear Freelancer, We are planning to develop a resort project based on a KSPAN structural concept. We require a complete 3D design model and walkthrough video that clearly showcases both the interior and exterior design. Please note: We will provide an AutoCAD file for reference (dimensions only). The attached image is AI-generated and should be used as a concept reference, not the final design. Scope of Work: You are required to: Create a detailed 3D model using software such as Autodesk 3ds Max (or similar). Develop a high-quality walkthrough video covering all areas of the project. Design Requirements: The 3D model and walkthrough should include the following: 1. Interior Design 2. Internal flat white ceiling 3. Design for each floor 4. Hotel room interiors 5. Lift/elevator 6. Coffee shop connected to lobby 7. Gym and spa 8. Lobby area 9. Reception area at the entrance 10. Restaurant 11. Concert hall Exterior Design: 1. Overall KSPAN structure appearance 2. Swimming pool 3. External flexible solar panels on the roof 4. Landscape Walkthrough Expectations Smooth and realistic walkthrough (day & night views preferred) Highlight all amenities listed above Include both interior and exterior perspectives Deliverables 3D model files High-resolution renders Final walkthrough video Reference Requirement: Please share similar sample videos/projects you have completed that are relevant to: 1. Resort or hotel design 2. KSPAN or steel structure buildings 3. Full walkthrough animations Please review and confirm your understanding, timeline, and cost for this project.

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Looking forward UI/UX designer and frontend developer.

We're looking for a talented front-end developer and designer who can work in EST. A team is preferred, but talented individuals are welcome to apply as well. The ideal candidate should have strong communication skills, design skills, and front-end development experience, especially with PHP and JavaScript. Familiarity with WordPress and Shopify is a plus! We offer $300–$350 per week, depending on the project. Looking for a long-term working relationship.

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Shopify Web Designer / Developer Needed (UI/UX + Features)

We want to make clear our budget is not up for negotiation at this time. Our Project consist of taking current template and building a new one modified or a new updated theme. Current setup is outline here. We use Flxpoint which has been mapped correctly. 98% of all the data is taken care of already. All data point for the descriptions and mapping are controlled from Flxpoint. - The part that must be done here is all that information needs to lay out in a expert organize design for each product page and all others styles. Focus of the project is the building, structuring and design of the site whatever else required. Scope of Work 1. UI/UX Design & Frontend Development Architect and implement a high-performance, conversion-optimized user experience Design scalable navigation and taxonomy for: 30,000–65,000 products 150,000+ images and product assets Develop or heavily customize a Shopify theme with: Mobile-first, responsive design Optimized product discovery (search, filters, categories) Clean, modern UI aligned with adult retail standards Ensure accessibility, usability, and intuitive customer flows 2. Backend Architecture & Data Integration Integrate with an existing data warehouse (pre-mapped product data) Implement real-time or near real-time data syncing for: Product feeds Inventory updates (drop-shipping model) Pricing and availability Ensure robust data mapping and normalization between source feeds and Shopify 3. App & API Integrations Configure and integrate third-party systems including: Payment gateways Inventory and order management systems Google services (Analytics, Tag Manager, Shopping feeds) AI assistant / automation tools Develop custom middleware or private apps where required 4. Performance Optimization Optimize for: Page speed (Core Web Vitals) High-volume image delivery (CDN, lazy loading, compression) Efficient Liquid rendering and API calls Streamline checkout experience to maximize conversion rates Implement advanced caching and performance strategies 5. Project Management & Delivery Provide structured project governance: Defined milestones and timelines Regular stakeholder communication Agile or sprint-based delivery model Conduct: QA testing (functional, regression, performance) UAT support prior to launch 6. Maintenance & Ongoing Support Post-launch support including: Debugging and issue resolution Feature enhancements Platform updates and optimization Required Team Composition We will only engage with teams or agencies capable of covering all functional areas: Shopify Developer(s) Expertise in Liquid, custom theme development, and backend logic UI/UX Designer Proven experience designing high-SKU e-commerce experiences Project Manager Responsible for delivery, communication, and scope management Technical Requirements Shopify / Shopify Plus experience (strongly preferred) Proficiency in: Shopify Liquid HTML5 / CSS3 JavaScript (React, jQuery or similar frameworks) API integrations Git/version control Experience handling: Large-scale product catalogs High-volume image optimization Drop-shipping workflows Vendor Qualification Criteria We are not evaluating based on public URLs alone. All applicants must provide: Verifiable, real project evidence, including: Code samples (where permissible) Architecture breakdowns Before/after performance metrics Detailed case studies of past builds Demonstrated experience delivering complex, high-scale e-commerce platforms Key Success Factors Scalable architecture capable of handling large datasets Clean, intuitive UX that drives conversion Reliable integration with live product feeds Strong communication and structured execution Ability to deliver a production-ready platform end-to-end

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WordPress / WooCommerce Development (SEO-critical + CRM)

We are looking for an experienced WordPress/WooCommerce developer to build a new website on a staging environment, based on an existing website with strong SEO performance. This is not a simple website build. The main challenge is: - preserving SEO rankings - correctly integrating a custom CRM plugin - ensuring a smooth migration and launch ______ Project context The business rents out party and decoration items. ± 2,000 products ± 40 categories Products can belong to multiple categories Clear structure, filtering and scalability are essential ______ Project Scope - Build a new WordPress/WooCommerce website on a staging environment - Use an existing theme (no need to design from scratch) - Integrate a custom-built plugin that connects a CRM with WordPress - Structure products and data based on CRM input - Prepare full migration to live environment ______ Key Functional Requirement (Important) - This is not a traditional webshop. - There is no payment / checkout process - Products are added to a quote request (cart as quotation) - Guests can submit their selected products as an inquiry/request - The “cart” functions as a quotation request system So: - No payment gateways needed - No transactional checkout ____ Key Requirements (Critical) 1. CRM Plugin Integration - Products and data must be automatically retrieved from the custom plugin - Ensure correct mapping between CRM data and WooCommerce products - Products must support multiple category assignments - Stability and performance are crucial 2. SEO Preservation (Highest Priority) This project will fail if SEO rankings drop. You must ensure: - Existing URL structure is preserved (or properly redirected) - All 301 redirects are correctly implemented - Metadata, headings, and internal linking are maintained - XML sitemap and robots.txt are correctly configured - No indexation issues during staging/live transition ______ Process & Collaboration This is a long-term, iterative project: Build → test → feedback → improve (multiple rounds) - Close communication required - You must be comfortable working in structured feedback cycles ______ Launch & Aftercare The freelancer is also responsible for: - Supporting the go-live - Monitoring the website after launch Fixing any issues related to: - SEO drops - Broken links - Plugin/data sync issues - Performance ______ We will only consider serious candidates. Please include: - Your approach - How would you handle SEO-safe migrations? - How do you ensure rankings are preserved? - Experience - Examples of similar projects are a big plus (WordPress + WooCommerce + migrations) - Experience with custom plugins / API / CRM integrations ______ Technical approach - How you handle staging → live deployment - How you test data integrity and SEO Risk management - What are the biggest risks in this project? - How do you prevent them? ______ Important Notes - Budget is fixed. - This is not a quick build: quality and stability matter more than speed! - Communication must be clear and structured - We are looking for a long-term collaboration partner. Also for maintenance in future

Senior AI / Full-Stack Developer (US Time Zone | Native English)

We are looking for an experienced AI or Full-Stack Developer who can work in the US time zone and communicate at a native English level. This role requires strong technical skills, clear communication, and the ability to work with a distributed team. We highly value developers who can explain ideas clearly and collaborate effectively. To confirm English communication ability, all applicants must include a short Loom introduction video. Requirements: Mandatory Native-level English communication 5+ years of software development experience Ability to work in the US time zone Strong problem-solving and communication skills Technical Skills (one or more areas) AI / Machine Learning Experience with LLMs, AI integrations, or AI product development Python, LangChain, OpenAI APIs, or similar tools Full-Stack Development JavaScript / TypeScript React, Next.js, Vue, or Angular Node.js / Express / NestJS REST APIs or GraphQL SQL or NoSQL databases Cloud platforms (AWS, GCP, or Azure) Nice to Have: Experience building AI-powered applications SaaS product experience Experience working with remote US teams DevOps or cloud deployment experience Application Instructions: To apply, please submit: Your resume or portfolio Your technology stack A short Loom video introduction (2–3 minutes) explaining: Your background Your development experience Projects you worked on Confirmation you can work in the US time zone Engagement: Remote Long-term opportunity

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Full Stack Developer Education Income Database & AI Assistant

I’m looking for an experienced full-stack software engineer to help build a platform aimed at UK primary and secondary schools. The platform will function as an income-generation database that helps schools identify funding opportunities. It will combine data gathered from external websites with my own curated database. The system will need a clean and simple user interface that allows school leaders to search and filter funding opportunities relevant to their school. A key feature will be an AI-powered “Grant Bot” that can assist school leaders in drafting and preparing grant applications. Core Requirements Full-stack development (open to suggested tech stack) Database to store and manage funding opportunities Ability to gather or import data from external websites and internal sources User-friendly interface for filtering/searching opportunities AI assistant for grant writing support Secure and scalable design suitable for school users What I’m Looking For An experienced full-stack developer with strong database and UI experience Someone who can advise on best architecture and technology choices Experience integrating AI tools/APIs would be a bonus Ability to estimate development timeline and ongoing running costs Next Steps I’d like to start with a virtual meeting to discuss the idea and determine if we are a good fit to work together. If so, we can then discuss design, development, maintenance, and estimated monthly operating costs. Quick turnaround time required, due to go to market date.

Web Developer Needed for Cardiology Consulting Website

I am looking for an experienced web developer to create a professional, modern, and user-friendly website for a cardiology consulting practice. The website should be clean, informative, and designed to instill trust with patients. Key Requirements: Modern, responsive design (mobile-friendly) Professional layout with sections for services, doctor profiles, and patient resources Contact forms and appointment booking integration (if applicable) Option to publish blog posts or educational content SEO-friendly structure for better search visibility Easy-to-use content management system (preferably WordPress or similar) Optional Features: Patient testimonials Integration with email newsletter tools Calendar integration for consultations Skills Needed: Web Development (WordPress, custom HTML/CSS, or similar) UI/UX design for healthcare/professional services Optional: Booking system or form integration Please provide examples of similar professional or healthcare websites you have built, along with your estimated timeline and cost for this project.

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2 x websites developing

I need someone to launch 2 x Wix websites. I have the wireframes ready to go and the content written but I need somone to build them on Wix and SEO optimise. The content is already SEO optimsed. Please give me your best price on these 2. I may have many more in the future, Katie.

Tenderflow

I need someone to promote and market my web app tenderflow its made specifically for tender consultants especially in South Africa it specializes in tender searches you can add teams on it and manage tenders its basically a tender management software it uses AI to analyse documents

Technical interviewer with fullstack development experience

We are looking for someone who can join our team to take responsibility for client connection. - Requirement More than 5 years of experience in full stack development Basic knowledge with AI Fluent in English

Web Developer Needed – Fix Checkout Issue + Site Testing & SEO

I’m looking for an experienced web developer to help resolve a few issues on my website and ensure everything is running smoothly. Key Issue: • When a user goes to purchase via the shopping cart, the form does not proceed correctly • It refreshes/stays on the same page and highlights “apply coupon,” even though coupons are disabled • The checkout process appears to think something is missing, but no clear error is shown What I Need: • Diagnose and fix the checkout/cart issue • Ensure the purchase flow works seamlessly from start to finish • Full website testing across desktop and mobile • Identify and fix any bugs or broken elements • Basic SEO check and optimisation (site speed, structure, indexing, etc.) Bonus (if experienced): • Suggestions to improve performance and user experience • Advice on improving conversion rate Looking for someone reliable who can start quickly and communicate clearly.

Develop a Responsive Spa Website Using Laravel and MySQL

I am looking for a freelancer to develop a responsive wellness spa website using Laravel, HTML, CSS, and MySQL. The website should include multiple sections such as: Home page Spa services section About section Contact page Clean and responsive layout The backend should be built using Laravel and connected to a MySQL database for handling website data. The website should be well structured, responsive, and easy to maintain. Deliverables: Fully functional website Clean frontend design using HTML and CSS Laravel backend setup MySQL database Basic testing to ensure the website runs smoothly Timeline: 3–6 days preferred. Budget: $10 – $20 depending on experience.

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Development of a cost effective CRM system

We seek an economical, scalable CRM to manage our expanding customer base. The system must store and organize contacts, enable categorization by product and spending levels, and support searchable filters. Include configurable alerts and prompts for timely actions, integration with a limited set of email templates for targeted outreach, and basic reporting on engagement and revenue. Emphasize usability, data security, and straightforward deployment with clear documentation for ongoing maintenance.

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Need website develop & approve google adsense

I have already front end design ready. I need someone to complete backend with full website and approve google adsense for this. I need to complete the website in 10 days and you need to mention how much time you need to approve google adsense.