Api Projects

Stripe account help api

Require expert Stripe integration: fully verify a Stripe account, activate its payment gateway, and integrate it seamlessly with my website so payments are received reliably. Tasks include completing Stripe verification requirements, configuring account settings, enabling payouts, implementing secure API integration on the website, and testing payment flows (successful charges, webhooks, error handling). Deliverables: verified Stripe account, functioning gateway linked to the site, and documented test results. Prompt, secure, and compliant implementation required.

Looking for chatplus.jp developer

Do you have experience building scenarios for ChatPlus? https://chatplus.jp/ API integration will not be used in this project; the main task will be modifying some scenarios.

Help finishing an Internal App

Hope you're well. I am looking for help to finish an Internal App and wondered if it was something you would be interested in? Current status: The development is halfway, and need to complete key elements like improving AI, converting the results into a report and AR - CubiCasa Integration (already did but need to add the new API and test). Tech stack used: 1. Firebase for storage 2. ⁠ Kotlin with Jetpack Compose for UI 3. ⁠Open AI API for AI response and Whisper API for speech to text. 4. ⁠Local Database also present - Room Database (offline working) Hope to speak soon. Kindest, Ashley

Microsoft Power Apps Developer Required – Sales Application

We are looking for an experienced Microsoft Power Platform developer to complete and enhance an existing Microsoft Power Apps Canvas application. The application began life as an ROI calculator but has since evolved into a comprehensive sales application used by our field sales team during customer visits. The application is approximately 60% - 65% complete and we are looking for an experienced developer who can work with the existing solution rather than rebuild it. What the application currently does Customer and site information capture Machine selection Labour and cost modelling ROI calculations Financial comparisons Interactive sales workflow Responsive tablet interface for customer presentations What we need help with Complete the remaining Power Apps development Improve the UI/UX where appropriate Integrate with Monday.com CRM Retrieve customer information from Monday.com Apply customer-specific pricing held within Monday.com Create and update opportunities/quotes in Monday.com Build robust Power Automate flows where required Optimise the application's performance and prepare it for production use API Integration An important part of the project will involve integrating with third-party manufacturer APIs. These APIs provide telemetry and trial data from autonomous cleaning machines, including information such as: Cleaning area covered Cleaning time Machine utilisation Battery usage Water consumption Charging history Error and fault information Historical mission data This information will be presented within the application so that prospective customers can review real-world performance data from trial machines as part of the sales process. Experience integrating REST APIs into Power Apps (either directly or via Power Automate/Azure Functions where appropriate) is highly desirable. Required Skills Microsoft Power Apps (Canvas Apps) Power Automate REST API integration JSON Monday.com API (GraphQL preferred) SharePoint and/or Dataverse Microsoft 365 Responsive Power Apps development Desirable Skills Azure Functions or Azure Logic Apps Power BI AI Builder or Microsoft Copilot Studio Experience working with IoT or telemetry data CRM integration experience Please include examples of previous Power Apps projects you have completed, particularly those involving CRM integrations and third-party APIs. Applications without relevant examples may not be considered.

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Opencart connector for UPS Global Shipping API

Requirement: Opencart 3.0.4.0 needs an extension written to connect to UPS Global Shipping API. All the information regarding the API is here: https://docs.globalcheckout.ups.com/ups-global-checkout How it works: Based on a product's HS code and country of manufacture and location of the customer, the API will automatically calculate international shipping rates with duties and taxes included. When customers checkout with international addresses, they see complete landed costs upfront.

CRM Developer / CRM Automation Specialist

We are looking for an experienced CRM developer to help design, build, and optimize our customer relationship management system. The ideal candidate should have experience with CRM platforms, workflow automation, API integrations, and customer lifecycle management. Responsibilities: * Configure and customize CRM platforms (HubSpot, Salesforce, Zoho, Microsoft Dynamics, or similar). * Build and optimize sales, marketing, and customer support workflows. * Create custom fields, pipelines, dashboards, and reports. * Integrate the CRM with third-party applications via APIs, webhooks, or automation tools (Zapier, Make, etc.). * Automate lead capture, nurturing, and follow-up processes. * Import, clean, and manage customer data. * Troubleshoot CRM issues and recommend best practices for improving efficiency. Required Skills: * Proven experience with one or more major CRM platforms. * Strong understanding of CRM architecture and business processes. * Experience with REST APIs and system integrations. * Knowledge of workflow automation tools. * Excellent communication skills. * Ability to work independently and deliver high-quality solutions. Qualifications: * Experience with custom CRM development. * Familiarity with SQL, JavaScript, or Python. * Experience integrating CRMs with websites, payment gateways, email marketing platforms, and ERP systems. Please include: * Examples of CRM projects you've completed. * Which CRM platforms you specialize in. * Relevant automation or integration experience. * Your estimated timeline and fixed-price quote. * Your hourly rate for future work. We are looking for a reliable CRM specialist who can recommend best practices, deliver clean solutions, and become a long-term technical partner for future CRM enhancements.

Unarchiving customers in XERO

I need a developer to unarchive several hundred contacts in Xero via an automated solution rather than manual edits. The task requires a script or app integration that connects to Xero API, identifies archived customer records, and reinstates them efficiently and reliably.

Full Stack Development

Seeking a seasoned full‑stack developer to architect, build, and maintain a scalable SaaS platform. Responsibilities encompass robust backend engineering, AI integration, React frontend implementation, API credit management, comprehensive testing, thorough documentation, and security‑centric development. Must demonstrate proficiency in JavaScript, TypeScript, C#, Python, and Java, with experience delivering reliable, maintainable code, automated tests, and secure deployments.

Custom product video template for our online store

We run an e-commerce store and need one reusable video template for product promos, 15-20 seconds, 1080p: - placeholder for product image (swaps per product) - animated headline + price tag - logo end card - clean, modern motion — think typical Shopify product ad Important: the template must be built in iLoveVideoEditor (ilovevideoeditor.com/studio — free, browser-based). Reason: our marketing person edits the text/price variables herself without any video skills, and we batch-render the finals through their API. No After Effects exports, we can't use them in our pipeline.

E-commerce Backend Architect - Node.js Expert

Backend Architect / Senior Node.js Engineer – E-commerce Platform We are building a scalable e-commerce backend and are looking for a Backend Architect / Senior Engineer (Node.js) to design the system architecture and lead the backend foundation. This is a long-term project starting with an MVP, but the focus is on building a clean, scalable, production-ready system from the beginning. --What You Will Do Design backend architecture for an e-commerce platform Define database structure (PostgreSQL) Design authentication system (JWT, roles, password reset) Architect product, cart, checkout, and order systems Design Stripe payment integration flow Define API structure and backend standards --MVP Scope Authentication system Product catalog (categories, variants, search/filter) Cart & wishlist Stripe checkout Order management Basic admin APIs --Tech Stack Node.js (NestJS preferred), TypeScript, PostgreSQL, Prisma, Redis, Stripe --Requirements Strong experience in Node.js backend development Experience designing scalable system architecture Experience with PostgreSQL and API design Experience with Stripe or payment systems Background in e-commerce or marketplace systems is a plus --Please include in your proposal: Relevant experience in backend architecture Similar systems you have built Your approach to designing this kind of system Estimated timeline for MVP design and/or development --Note We are looking for someone who can help design the foundation of a scalable e-commerce platform, not just build endpoints.

E-commerce Backend Architect - Node.js Expert

Backend Architect / Senior Node.js Engineer – E-commerce Platform We are building a scalable e-commerce backend and are looking for a Backend Architect / Senior Engineer (Node.js) to design the system architecture and lead the backend foundation. This is a long-term project starting with an MVP, but the focus is on building a clean, scalable, production-ready system from the beginning. --What You Will Do Design backend architecture for an e-commerce platform Define database structure (PostgreSQL) Design authentication system (JWT, roles, password reset) Architect product, cart, checkout, and order systems Design Stripe payment integration flow Define API structure and backend standards --MVP Scope Authentication system Product catalog (categories, variants, search/filter) Cart & wishlist Stripe checkout Order management Basic admin APIs --Tech Stack Node.js (NestJS preferred), TypeScript, PostgreSQL, Prisma, Redis, Stripe --Requirements Strong experience in Node.js backend development Experience designing scalable system architecture Experience with PostgreSQL and API design Experience with Stripe or payment systems Background in e-commerce or marketplace systems is a plus --Please include in your proposal: Relevant experience in backend architecture Similar systems you have built Your approach to designing this kind of system Estimated timeline for MVP design and/or development --Note We are looking for someone who can help design the foundation of a scalable e-commerce platform, not just build endpoints.

Need Senior Web3 Engineer for DAO Platform Development

We’re hiring some Senior Full-Stack Web3 Engineer to help develop a DAO platform using Next.js, Node.js, and Web3 technologies. Features end-to-end: - proposal/voting workflows - wallet transaction UX - backend API reliability/security - on-chain integration + data sync Stack: React, Next.js, Node.js, Blockchain, Web3, API integration, Smart Contract Can you share your experience participating in a similar project previously?

Looking for developer to make changes and manage my website

I have a website built that the current web developer can continue to manage so I need someone else to help. My website is https://getbetfunded.com and it often needs regular updates. It currently has some issues fixing like the API is no longer pulling through certain events i.e. Tennis https://getbetfunded.com/sports/tennis/10069967/ I would like any issues I find fixed and plan some updates so ready for the new sports season.

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Content Automation Dashboard for Existing Algorithm (BIG AL)

I'm looking for an experienced full-stack developer to build Stage 2 of my platform. I already have a working algorithm called Big AL that selects products for TikTok Lives and tracks analytics such as popularity, demand, sales history, conversion rates and live scheduling. I'm not looking to rebuild the algorithm. Instead, I need a developer to build a Content Engine and Approval Dashboard that reads Big AL's data and automatically generates branded social media content. The system should: Connect to an existing algorithm (API/Database/JSON) Read product selections and analytics Populate reusable templates automatically Generate graphics and short animated content Display everything in an approval dashboard Allow simple editing before export Export ready-to-use assets for TikTok, Instagram and my website This is intended to be the foundation of a larger content automation platform, so I'm looking for someone who enjoys designing scalable systems. A full project specification (PDF) is attached. Please include in your proposal: Similar projects you've completed Technologies you'd recommend Estimated timeline Estimated cost Suggestions for improving the architecture Long-term work is available for the right developer. "The existing algorithm developer is available for technical collaboration where required, so this project will involve integrating with an existing system rather than starting from scratch." - full design spec will be given to the right candidate. "How many hours do you think it would take to expose Big AL's data through an API or JSON feed so another application can consume it?" Please give a brief of your understanding, experience and how you would build it? If your interested please read the PDF and designs ideas.

Looking for a full stack blockchain developer

Seeking an experienced full-stack blockchain developer to build and maintain Web3 features for our SaaS platform. The work includes EVM smart contract development, secure backend integration, React-based frontend integration with Web3 wallets, decentralized storage (IPFS or Arweave), API credit management, testing, documentation, and security-focused development. Experience with Solidity, TypeScript, smart contract auditing practices, and scalable blockchain architectures is required.

AI-Powered SaaS App Children's Home Full-Stack Developer Needed

I'm building a web-based AI assistant for children's homes in the UK. Staff will be able to ask compliance and policy questions and receive instant, cited answers from their organisation's own documents. I have a detailed brief ready and am looking for an experienced developer to build a working prototype. The build includes: Secure multi-tenant web app (each organisation's data fully isolated) AI chat interface using the Claude API (Anthropic) Document upload and management for admins User authentication with staff and admin roles Basic audit logging I'm looking for someone who: Has built SaaS or multi-tenant web apps before Is comfortable integrating LLM/AI APIs Is UK-based or EU timezone Will sign an NDA before full brief is shared Can deliver a working prototype within 6–8 weeks

Backend Engineer for Startup Team — Full-Time Level Commitment

Project Description: We are a startup looking for a Backend Engineer to join our team and help build our product. This role is not for someone who is only looking for small freelance tasks. We need a serious backend engineer who can work with the responsibility, communication, and technical discipline expected from a full-time team member. You will be involved in backend architecture, API development, database design, integrations, debugging, performance improvements, and product-related technical decisions. You should be able to understand business requirements, communicate clearly with customers, and deliver clean, reliable, production-ready backend work. Key Responsibilities: - Build and maintain backend APIs and services - Design and manage database structures - Implement authentication, authorization, and business logic - Integrate third-party APIs and services - Debug complex issues and solve root causes - Communicate professionally with customers and team members - Translate product and customer requirements into technical solutions - Maintain high standards for code quality, security, and reliability Required Qualities: - Strong backend engineering experience - Production-level coding ability - Excellent communication skills - Ability to speak with customers in a professional and clear way - Ownership mindset - Reliability and accountability - Startup mentality: practical, fast-moving, and problem-solving focused - Full-time employee-level working standard, even if the contract starts as remote or freelance Technical Skills: - Backend framework experience such as Node.js, NestJS, Express, Python, Django, FastAPI, or similar - Strong database experience with PostgreSQL, MySQL, MongoDB, Supabase, or similar - REST API design - Authentication and permission systems - Git and professional development workflow - Security and performance awareness Nice to Have: - SaaS product experience - Cloud experience with AWS, GCP, or similar - Docker or deployment experience - Stripe/payment integration experience - Experience working directly with startup founders or customers To apply, please send: - Your backend development background - Relevant production project examples - Your strongest backend stack - Your availability - Your rate or salary expectation

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Support for Senior Tech Lead

Experienced WordPress Developer needed to support a Senior Tech Lead in designing, developing, maintaining and enhancing bespoke WordPress sites, themes and plugins. Responsibilities include converting Figma/Adobe XD to responsive sites, building reusable components, optimising performance, SEO, accessibility and security, integrating APIs, CRMs and payment gateways, troubleshooting, performing updates, managing migrations and GIT deployments. Must have 4+ years commercial WP experience, strong PHP, HTML5, CSS3, JS, ACF, MySQL, Git and responsive design expertise.

Build SaaS Web App Dashboard with Authentication

I need an experienced web developer to build a modern SaaS-style web application. The project is a single MVP web application with the following features: Core features: User authentication (login / register) Role-based access (admin / user) Modern responsive dashboard UI Backend API integration Database setup (PostgreSQL or similar) Basic deployment setup Technical requirements: React or Next.js frontend preferred Clean and scalable code structure Secure authentication flow REST API architecture Goal: To deliver a fully working web application MVP with a SaaS-style dashboard. Only experienced developers with real web application experience should apply.

Looking for a full stack developer

Seeking an accomplished full-stack developer to design, implement, and deploy a responsive web application. Responsibilities: craft intuitive UI/UX, develop robust backend APIs, integrate and optimize databases, enforce security best practices, and ensure high performance. Applicant must demonstrate expertise with modern frameworks, RESTful services, version control, automated testing, and CI/CD pipelines. Deliverables: clean, documented code, comprehensive tests, and deployment scripts. Timely, communicative, and detail-oriented professionals with strong English proficiency (C1+) encouraged to bid.