API Developers For Hire
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Hire diektech
Exceed Your Expectation! Let's Do It Together!! We are a team of experienced Mobile App & Web Developers with over 10+ years in delivering high-quality digital solutions. Our expertise spans mobile and web development, backend integration, automated testing, UI/UX design, and performance optimization. We build...Exceed Your Expectation! Let's Do It Together!! We are a team of experienced Mobile App & Web Developers with over 10+ years in delivering high-quality digital solutions. Our expertise spans mobile and web development, backend integration, automated testing, UI/UX design, and performance optimization. We build scalable, secure, and intuitive applications tailored to business needs. Core services: – AI Automation - Custom SaaS platforms – Custom mobile & web app development – E-commerce platform development (Shopify, Bigcommerce, Woocommerce, Magento) – Blockchain dApp development – User-focused UI/UX design – Backend integration & automation – App optimization & performance monitoring – Security, testing & CI/CD pipelines We collaborate closely with clients to turn ideas into impactful products, staying up to date with the latest tech and trends. Whether launching a new product or improving an existing one, we bring the skill and dedication to help your business succeed. We focus on quality, reliability, and building systems that are designed to scale. less -
Hire Beannsofts
As a software architect and Python developer with 10+ years of experience, I design and deliver full-stack, high-performance crypto trading automation systems for both individuals and organizations. Notable project: 10xTraders.ai – a fully cloud-native, multi-user crypto trading platform that supports strategy...As a software architect and Python developer with 10+ years of experience, I design and deliver full-stack, high-performance crypto trading automation systems for both individuals and organizations. Notable project: 10xTraders.ai – a fully cloud-native, multi-user crypto trading platform that supports strategy generation, live trade execution, smart notifications, user dashboards, and automated scaling, integrating TradingView charts and custom AI modules. My expertise includes: Strategy Engine Development: Design, testing, and deployment of custom and modular trading strategies (momentum, DCA, grid, arbitrage, trend-following, mean reversion, risk management overlays, etc). Exchange Integrations: Multi-exchange (Binance, Bybit, KuCoin, Coinbase, OKX, and more) spot, margin, and derivatives connectivity, robust error handling, and seamless authentication. Backtesting & Simulation: Fast, accurate historical and forward backtesting engines; optimization tooling; walk-forward analysis; metric dashboards. Automated Live Trading: Real-time execution, position sizing, dynamic stoploss/TP, risk management, error recovery, and live trade monitoring. Signal & Webhook Handling: Integration with TradingView, Telegram, Discord, email alerts; advanced webhook processors; custom event triggers. Trading Terminal UI: Web-based terminals for trade monitoring, live logs, analytics, and order management; deep TradingView chart integration; responsive dashboards. AI/ML-Driven Trading: Custom modules for signal generation, position management, and adaptive strategy optimization with machine learning. Portfolio Management: Multi-asset and multi-strategy allocation, wallet/rebalancing, cross-exchange tracking, P&L and risk statistics. Notification & Reporting: Real-time logging, alerting (web, mobile, email, Telegram), performance reporting, and alerting for trade state, errors, fills, or margin events. Cloud & DevOps: Docker, Kubernetes, Helm, NGINX, automated CI/CD pipelines, secure API exposure (REST/WebSockets), volume scaling for thousands of concurrent users. User & Multi-Tenancy: Auth, multi-user session management, isolated deployments, and secure separation for hosted trading platforms. API & Bot Management: REST/WebSocket APIs for strategy control, trade monitoring, status queries, bot lifecycle (spawn/stop/clone/update) at scale. Config & Secrets Handling: Secure, dynamic config management (YAML, JSON), secrets vaults, role-based access, per-user exchange keys. Deployment: Production experience with Linux, bare metal, AWS, GCP, DigitalOcean, Hetzner, OVH; scaling to global audiences. I combine technical rigor, creative engineering, and a passion for clean, robust code to deliver trading solutions that are powerful, resilient, and user-friendly. I’m ready to build and run your next-generation crypto trading or automation platform—end-to-end, from strategy to cloud! less -
Hire AwaisChaudhry
ZAWN Tech is a full-service IT & Engineering company founded in 2014, delivering complete digital and hardware solutions for startups and enterprises worldwide. We operate with an in-house team of specialized developers and engineers across multiple domains, allowing us to handle both software and embedded/engineering...ZAWN Tech is a full-service IT & Engineering company founded in 2014, delivering complete digital and hardware solutions for startups and enterprises worldwide. We operate with an in-house team of specialized developers and engineers across multiple domains, allowing us to handle both software and embedded/engineering projects with proven real-world experience. Our certified team combines deep technical knowledge with hands-on delivery to build fast, secure, and scalable systems. Core Expertise Blockchain: Metaverse, Web3, NFTs, NFT Games, Smart Contracts, Arbitrage & Sniper Bots, DEX / DApp Development (Ethereum, BSC, Polygon, Solana, WAX). Web & SaaS Development: Full-stack using React, Node.js, Laravel, Django, and Next.js. Integration with Odoo, Bubble.io, Zoho, and Webflow. eCommerce: Shopify, WooCommerce, Magento, and custom marketplace platforms with payment, shipping, and ERP integrations. Mobile Apps: Native and cross-platform (Flutter, React Native, Android, iOS). AI & Computer Vision: Machine Learning, Chatbots, GPT integrations, TensorFlow, OpenCV, and OCR systems. Game Development: Unity 3D, Unreal, and WebGL with multiplayer, blockchain, and AR/VR support. Trading & Financial Automation: MT4/5, TradingView, Binance, Interactive Brokers, and algorithmic trading bots. Hardware & IoT (In-house Team): Electronics, Microcontrollers, PLC & SCADA, Electrical Engineering, Embedded Systems, Automation, Arduino, Raspberry Pi, ESP32, MATLAB, and control systems. With 300+ recommendations and over a decade of experience, we turn complex ideas into reliable, production-ready solutions delivered with clear communication and long-term support. less -
Hire DannyG91
Are you dealing with slow systems, fragile integrations, or products that do not scale? I design and build software that performs under real-world load. I am a senior software engineer focused on AI-driven systems, automation, full stack platforms, mobile applications, blockchain, and hardware-adjacent development. I...Are you dealing with slow systems, fragile integrations, or products that do not scale? I design and build software that performs under real-world load. I am a senior software engineer focused on AI-driven systems, automation, full stack platforms, mobile applications, blockchain, and hardware-adjacent development. I work with founders and technical teams to turn complex requirements into production-grade systems that are fast, maintainable, and commercially viable. My work typically involves replacing legacy bottlenecks, automating manual workflows, and engineering reliable backends that support growth. I am comfortable operating across the full stack, from user-facing UX flows to low-level performance optimization and infrastructure. Core expertise: - AI and automation: LLM integration, workflow automation, data pipelines, model-backed services - Full stack: React, Node.js, Python, REST and GraphQL APIs, PostgreSQL, MongoDB - Mobile: Flutter, cross-platform architecture, performance-focused UX - Systems and performance: scalable architectures, async processing, optimization - Hardware and advanced systems: FPGA-related development and high-performance computing contexts less -
Hire ma557
I provide complete IT services tailored to modern business needs, with a strong focus on Blockchain development, Artificial Intelligence, Machine Learning, Big Data, Web and Mobile app development, E-commerce platforms, and custom software solutions. I specialize in blockchain technologies including DEXs, DApps,...I provide complete IT services tailored to modern business needs, with a strong focus on Blockchain development, Artificial Intelligence, Machine Learning, Big Data, Web and Mobile app development, E-commerce platforms, and custom software solutions. I specialize in blockchain technologies including DEXs, DApps, NFTs, Web3, smart contracts, and DeFi applications across platforms like Ethereum, BSC, and Polygon. For web and mobile development, I work with Java, Python, PHP, and top JavaScript frameworks such as React.js, Node.js, Angular, and Vue.js—alongside mobile technologies like Flutter and React Native. My e-commerce solutions are built on platforms like WooCommerce, Shopify, and Magento, while my AI and machine learning services leverage tools such as TensorFlow and AWS to create intelligent, data-driven systems. If you're looking for secure blockchain integration, modern web and mobile development, scalable e-commerce systems, or custom AI-driven software, I’m here to help turn your ideas into powerful digital products. less -
Hire johnnier3
Hi, I'm Johnnie Reece, a Preferred Freelancer and senior full-stack, mobile & emerging tech expert with 10+ years delivering enterprise-grade, high-performance solutions for startups and Fortune 500 companies. Core expertise and current tech stack: - Frontend & Web: React, Next.js (App Router, Server Actions),...Hi, I'm Johnnie Reece, a Preferred Freelancer and senior full-stack, mobile & emerging tech expert with 10+ years delivering enterprise-grade, high-performance solutions for startups and Fortune 500 companies. Core expertise and current tech stack: - Frontend & Web: React, Next.js (App Router, Server Actions), Angular, TypeScript, Tailwind CSS, Redux Toolkit, React Query, Zustand, shadcn/ui - Mobile: React Native, Flutter, Expo, Firebase — cross-platform iOS/Android apps with native feel; Java (native Android development, legacy support & integrations) - Backend & APIs: Node.js (NestJS, Express), Java (Spring Boot, Hibernate, Jakarta EE), C# .NET 8/9, ASP.NET Core, EF Core, SignalR, gRPC; Python (FastAPI, Django, Flask) - CMS & E-commerce: Shopify (themes, apps, Liquid, API integrations, headless/Headless Commerce), WordPress, WooCommerce, Elementor — custom themes/plugins, secure & optimized sites - Blockchain: Solidity, Ethereum, Smart Contracts, Web3.js, Ethers.js, Hardhat — dApps, NFTs, DeFi - Automation: Python (Selenium, Scrapy), RPA, Zapier/n8n/Make.com, custom bots & AI tools - Cloud & DevOps: AWS (Lambda, ECS/Fargate, RDS, S3, Cognito, CDK), Docker, Terraform, GitHub Actions, CI/CD What I deliver – every project: ✅ Pixel-perfect, responsive web & mobile apps (98–100 Lighthouse scores) ✅ Native-feeling cross-platform mobile solutions (React Native + Flutter) + native Android with Java ✅ Secure, scalable backends (Node.js/NestJS, Java/Spring Boot, .NET/Python) with real-time features, OAuth2, PCI compliance, microservices & enterprise integrations ✅ High-performance Shopify stores (custom themes, private/public apps, Liquid development, API integrations, headless setups) + WordPress/WooCommerce sites & custom plugins ✅ Blockchain dApps, smart contracts & Web3 integrations ✅ Automation bots, scraping, workflows & cost-saving optimizations ✅ Full-cycle development: analysis → architecture → MVP → deployment → support ✅ Smooth legacy migrations to modern stacks (React/Next + mobile + Node.js/Java/.NET/Python + AWS) ✅ Auto-scaling, cost-optimized infrastructure with 99.99%+ uptime My approach: I act as your technical partner, daily updates with live demos, direct access (no middlemen), proactive advice on architecture, performance, security & costs. Code is clean, documented, and built for long-term maintainability & easy handoff. Clients return because I deliver faster, cleaner, more reliably — with zero surprises and maximum value. Ready to launch your project with a verified Preferred Freelancer skilled in web, mobile, Shopify, WordPress, blockchain, automation, cloud & full-stack Node.js/NestJS development? Message me now! I reply fast and can start immediately. Let's create something exceptional! less -
Hire rinsadsl
If you are seeking a strategic technology partner who delivers modern, scalable, and intelligent digital solutions, you are in the right place. We are a forward-thinking team specializing in Software Engineering, Web & Mobile Development, AI Solutions, and Intelligent Automation. Our approach is focused on building...If you are seeking a strategic technology partner who delivers modern, scalable, and intelligent digital solutions, you are in the right place. We are a forward-thinking team specializing in Software Engineering, Web & Mobile Development, AI Solutions, and Intelligent Automation. Our approach is focused on building future-ready systems that combine clean architecture, performance, and business impact. Our technical expertise spans PHP, Node.js, Angular, Flutter, React, React Native, C#, VB.NET, and leading platforms such as WordPress, WooCommerce, Magento, and PrestaShop, supported by enterprise-grade databases including MySQL, PostgreSQL, Oracle, and SQL Server. Beyond development, we help businesses scale through AI-driven innovation and automation, including: - AI chatbots, voice agents, and virtual assistants - Workflow and process automation using Make (Integromat), n8n, and custom solutions - AI-powered data processing, content generation, and decision support - CRM, marketing, and operations automation to reduce costs and increase efficiency We have strong expertise in API-based integrations and ecosystem automation, connecting platforms such as Amazon, eBay, Shopify, Walmart, Lazada, Wish, and logistics providers including USPS, UPS, FedEx, and DHL, enabling seamless commerce and fulfillment workflows. Our focus is not just on delivery, but on measurable outcomes, speed, reliability, scalability, and long-term value. We thrive on complex challenges and continuously adopt the latest AI and automation trends to keep our clients ahead of the curve. Review our portfolio below and let our work demonstrate the standard we uphold. We are committed to delivering solutions that are intelligent, efficient, and built for growth. less -
Hire jayantkumar314
jayantkumar314 jayantkumar314
$50 USD / hour
AWS|MERN|Laravel|Full Stack | Verified by FL StaffIndiaI am a Senior Software Engineer. I have been serving my services since 2015. Having practical experience in building a website from scratch up to hosting. I will provide some links and screenshots of some of my work in the portfolio. Please have a look at them. EXPERT IN :- - - - - - - - - - NestJs ( API ) NextJs (...I am a Senior Software Engineer. I have been serving my services since 2015. Having practical experience in building a website from scratch up to hosting. I will provide some links and screenshots of some of my work in the portfolio. Please have a look at them. EXPERT IN :- - - - - - - - - - NestJs ( API ) NextJs ( PWA ) ReactJs ( PWA ) Angular ( PWA ) Laravel ( API and Full Websites Also ) Codeigniter ( API and Full Websites Also ) Facebook API NOTE: All APIs will be provided with proper authentication and authorization. Users will have access to only those resources to which they are allowed. Payment Gateway Integration : - - - - - - - Stripe Paypal Instamojo Payumoney Core : - - - - - - - - HTML CSS JavaScript NodeJs Python PHP SQL AJAX JSON BOOTSTRAP JQuery Hosting Platform : - - - - - - - - AWS VPS Google Cloud Godaddy hosting NameCheap Digital Ocean MOTO: "There's extraordinary chemistry in long-term relationships." According to my motto, I don't overwhelm myself. I never bid on a project I can't make. Thanks!! less -
Hire ambar
Expert in High-Stakes Code Audits, Architecture Reviews & Technical Due Diligence ➀ Technology is never a barrier for me — with 20+ years of hands-on experience, I’ve built, scaled, and audited systems across legacy and modern stacks. I also conduct forensic-level code reviews that map technical debt, identify...Expert in High-Stakes Code Audits, Architecture Reviews & Technical Due Diligence ➀ Technology is never a barrier for me — with 20+ years of hands-on experience, I’ve built, scaled, and audited systems across legacy and modern stacks. I also conduct forensic-level code reviews that map technical debt, identify architectural flaws, and expose root causes behind recurring bugs and cost overruns. 💡 Experienced in securing, optimizing, and maintaining Linux-based servers, including e-commerce stacks (Magento, Shopify, WooCommerce) and enterprise-grade cloud deployments. ➁ My expertise includes: ➤ Web & Backend: Python (Django, FastAPI), ASP.Net (Core/MVC), PHP/Laravel, Node.js ➤ Frontend: React.js, Angular, TypeScript, Ionic, Bootstrap ➤ Databases: PostgreSQL, MySQL, SQL Server, MongoDB, Supabase, Firebase ➤ Cloud & DevOps: AWS, Azure, Docker, CI/CD, Nginx, Apache, Cloudflare ➤ Automation: APIs, Scraping, Selenium, Playwright ➤ Mobile: Android (Java/Kotlin), iOS (Swift/Obj-C) ➤ Reporting & Tools: Crystal Reports, DevExpress, Highcharts ➤ Specialized in server hardening, secure deployments, multi-domain setups, codebase audits, data integrity checks, and Supabase/Postgres architecture reviews. ➂ Skilled in cloud-native deployments, scalable architectures, and identifying misalignments between business requirements and developer delivery — crucial for audit/assessment projects. ➃ Clients value my clarity, accountability, and problem-solving. Whether rebuilding broken systems or exposing technical debt, I deliver fast and with precision. ➄ Strong experience with Stripe, Zoho, QuickBooks, Twilio, HubSpot, Monday, Notion, Google Workspace, and automation-heavy SaaS platforms. ✔ Expert in Webhooks & workflow orchestration ✔ Strong in CRM & Marketplace integrations ✔ High-quality documentation, clean handover, and actionable audit reports less -
Hire Pyyetru
Pyyetru Pyyetru
$50 USD / hour
⭐AlgoTrading Developer | NT8, TradingView, MT5, IBMoldova, Republic of⭐⭐⭐⭐⭐ NinjaTrader, MT4/5, TradingView, IBKR, QuantConnect, AI Trading ⭐⭐⭐⭐⭐ I help traders get high-quality results on time without the risk of hiring the wrong developer. I build algorithmic trading bots and strategies for forex, futures, stock, crypto traders using Ninjascript, MQL, Pine Script,...⭐⭐⭐⭐⭐ NinjaTrader, MT4/5, TradingView, IBKR, QuantConnect, AI Trading ⭐⭐⭐⭐⭐ I help traders get high-quality results on time without the risk of hiring the wrong developer. I build algorithmic trading bots and strategies for forex, futures, stock, crypto traders using Ninjascript, MQL, Pine Script, Python, Freqtrade, Backtrader, and CCXT. I help independent traders and small funds automate entries/exits, visualize edges, and get instant notifications to catch opportunities faster. I design systems to stay consistent across market regimes, withstand noise, slippage, latency, and partial fills, avoid overfitting, degrade gracefully when assumptions fail, and handle real-world edge cases like weekend gaps, news spikes, and low liquidity. ✅ Trading Platforms • IBKR TWS & IB Gateway API integration (ib_insync) • NT7 / NT8 strategies, indicators, addons • MT4 / MT5 indicators, Expert Advisors, • TradingView Pine Script indicators, strategies, screeners, alert webhook bridge • MultiCharts, QuantTower, Sierra Chart, Thinkorswim, Charles Schwab ✅ Backtesting & Quant Research • QuantConnect, VectorBT, Backtrader strategy backtesting, risk analysis • AI / RL strategy development (SB3, Gymnasium, SAC / PPO / A2C) ✅ Risk Analysis & Risk Management • Pre-trade risk checks (position limits, leverage) • Real-time P&L, drawdown & exposure monitoring with kill switches • Liquidity & execution risk (slippage, widening spread, commission, exchange fee) • Strategy risk validation (overfitting detection, walk-forward testing) ✅ Market Data & APIs • Stock market API integration & subscription cost optimization (IQFeed, DxFeed, Massive, AlphaVantage) ✅ Infrastructure, Observability, Data • Execution Engine • Kafka, Redis • Grafana, Prometheus • Trading performance monitoring dashboards • Time-series databases & tools: QuestDB, InfluxDB, TimescaleDB, ClickHouse, kdb+, ✅ Products & Licensing • Charting applications in C# Avalonia, Next.js • Copy trading tools • Trading product licensing ==================================================================================== "I believe the current trade I am in will be a loser ... a big loser at that." Larry Williams "Throughout all my years of investing I've found that the big money was never made in the buying or the selling. The big money was made in the waiting." Jesse Livermore "Don’t focus on making money, focus on protecting what you have." Paul Tudor Jones "In trading, you have to be defensive and aggressive at the same time. If you are not aggressive, you are not going to make money, and if you are not defensive, you are not going to keep the money." Ray Dalio "Amateurs think about how much money they can make. Professionals think about how much money they could lose." Jack Schwager less
