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5.8
5.8
98%

Manyar, Indonesia
$49 USD per hour
I am a trader, and working for traders My Skills : PineScript Tradingview Script Tradingview Indicator/Strategy Trading Bot Connect Tradingview to Binance, MT4, etc Telegram Bot, Discord Bot, Portfolio : - 500 ++ Project Finished Well - I have some good indicators on my tradingview tradingview.com/u/hanabil/ use it For Free

6.7
6.7
100%

Mettamalai, Sattur, India
$20 USD per hour
Hi ! I'm Gowtham Raj , a Professional Full Time Freelancer in Freelancer.com with 7+ years of Experience in Programming. Combined with my B.E in Computer Science and Engineering I can solve the below mentioned Programming languages task. Apart, from this I am having 2 years of Experience in Branding and Data Entry Works. ✅ 5-start rated freelancer , specialized in C, C++, JAVA, PYTHON and Mulesoft PROGRAMMING LANGUAGES: - C Programming - C++ Programming - Java - Java FX - Python - SQL - MY SQL ADVANCED & SPECIALIZED PROJECTS: - Bot Development Projects - AI-Related Projects - Block Chain Projects BRANDING: - Naming the Organization / Brand - Suggesting the Slogans WHY CHOOSE ME OVER OTHER FREELANCERS? ✅ Client Reviews: I focus on providing VALUE to all of my Clients and Earning their TRUST. The Client Reviews and Feedback on my Profile are immensely important to me and the value that I provide. ✅ Over-Delivering: This is core to my work as a Freelancer. My focus is on GIVING more than what I expect to RECEIVE. I take pride in leaving all of my Clients saying "WOW" ✅ Responsiveness: Being extremely responsive and keeping all lines of communication readily open with my Clients. ✅ Communication: I will provide proper communication and I expect the same from my client. You can ask update at anytime regarding the work because I will be doing your work NO outsourcing here. If you're looking for a good programmer with quick turn around then I'm the guy you need. Kindly send me a message through Freelancer, either via message or with the “Hire Me Now” button. Thanks for taking the time to read through my profile, and I hope to speak with you soon!

8.4
8.4
95%

Mohali, India
$25 USD per hour
💡 𝑭𝒖𝒍𝒍-𝑺𝒕𝒂𝒄𝒌 𝑰𝒏𝒏𝒐𝒗𝒂𝒕𝒐𝒓 | 𝑺𝒂𝒂𝑺 𝑩𝒖𝒊𝒍𝒅𝒆𝒓 | 𝑮𝒓𝒐𝒘𝒕𝒉-𝑫𝒓𝒊𝒗𝒆𝒏 𝑮𝒐𝒐𝒈𝒍𝒆 𝑨𝒅𝒔 𝑬𝒙𝒑𝒆𝒓𝒕 I’m a results-driven Full-Stack Web & Mobile Developer with a strong focus on building scalable, high-performance applications and delivering measurable business growth. From crafting seamless user experiences to managing data-driven marketing campaigns, I combine technical expertise with marketing strategy to create impactful digital solutions. 🛠️ 𝑪𝒐𝒓𝒆 𝑺𝒌𝒊𝒍𝒍𝒔 & 𝑬𝒙𝒑𝒆𝒓𝒕𝒊𝒔𝒆 🌐𝙁𝙪𝙡𝙡-𝙎𝙩𝙖𝙘𝙠 𝙒𝙚𝙗 𝘿𝙚𝙫𝙚𝙡𝙤𝙥𝙢𝙚𝙣𝙩 * Frontend: HTML, CSS, JavaScript, React, Next.js * Backend: Node.js, Express, REST APIs * Database: MongoDB, MySQL, Firebase * Scalable, responsive, and high-performance applications 🧩 𝘾𝙈𝙎 𝘿𝙚𝙫𝙚𝙡𝙤𝙥𝙢𝙚𝙣𝙩 & 𝙈𝙖𝙣𝙖𝙜𝙚𝙢𝙚𝙣𝙩 * WordPress (custom themes & plugins) * Shopify/Shopify plus (store setup & customization, Shopify Apps) * Webflow & Wix (modern no-code/low-code solutions) * SEO-friendly CMS optimization * Content management & performance tuning ☁️ 𝙎𝙖𝙖𝙎 𝘿𝙚𝙫𝙚𝙡𝙤𝙥𝙢𝙚𝙣𝙩 * End-to-end SaaS product development * Subscription models & dashboards * Cloud deployment & scalable architecture * API integrations & automation * Figma, Canva, ChatGPT, Google Workspace, Zapier, GitHub, Salesforce, Zoho, QuickBooks 📊 𝙂𝙤𝙤𝙜𝙡𝙚 𝘼𝙙𝙨 & 𝘿𝙞𝙜𝙞𝙩𝙖𝙡 𝙈𝙖𝙧𝙠𝙚𝙩𝙞𝙣𝙜 * Campaign setup, optimization & scaling * Keyword research & competitor analysis * Conversion tracking & ROI optimization * A/B testing for performance growth 📱 𝙈𝙤𝙗𝙞𝙡𝙚 𝘼𝙥𝙥 𝘿𝙚𝙫𝙚𝙡𝙤𝙥𝙢𝙚𝙣𝙩 * Cross-platform apps (React Native / Flutter) * Smooth UI/UX & performance optimization * API integrations & real-time functionality ✨ 𝗪𝗵𝗮𝘁 𝗬𝗼𝘂 𝗖𝗮𝗻 𝗘𝘅𝗽𝗲𝗰𝘁 𝗳𝗿𝗼𝗺 𝗠𝗲 ✔ Clean, scalable, and maintainable code ✔ Clear communication & on-time delivery ✔ Problem-solving approach ✔ Focus on real business results 🎯 𝑳𝒆𝒕’𝒔 𝑾𝒐𝒓𝒌 𝑻𝒐𝒈𝒆𝒕𝒉𝒆𝒓 If you need a developer who can build, optimize, and grow your digital product from code to conversions; I’m ready to help. 📩 Let’s discuss your project and bring your ideas to life!

8.2
8.2
97%

Karachi, Pakistan
$50 USD per hour
We build AI-powered web apps, mobile apps, desktop apps, and automation systems for businesses worldwide. With 249+ projects delivered at 4.9 stars, we bring proven reliability to every engagement. What We Build: AI & LLM Integration: Custom AI chatbots, GPT/Claude API integrations, LLM-powered automation, intelligent document processing, and AI agents that handle real business workflows. Full-Stack Web Development: Production-grade applications using Next.js, React, Node.js, TypeScript, PHP/Laravel, and WordPress. From SaaS platforms to admin dashboards to complex APIs. Mobile Applications: Native iOS (Swift/Objective-C) and Android apps, plus cross-platform with React Native and Flutter — from MVP to production. Apple & Desktop Apps: macOS desktop applications, Electron-based cross-platform desktop apps, iPad apps, and Apple ecosystem development. E-Commerce Solutions: Shopify stores, WooCommerce, custom plugins, payment integrations (Stripe, PayPal), and full e-commerce builds. AI Automation & Scripting: Python and Node.js automation — web scraping, data pipelines, API integrations, chatbots, workflow automation using modern AI tools. DevOps & Cloud: Docker, Kubernetes, AWS, Azure, Google Cloud, Linux server management, CI/CD pipelines, and production infrastructure. Why Work With Us: - 97% project completion rate, 100% on budget - 6+ years on Freelancer with verified reviews - We use AI-assisted development to deliver faster without compromising quality - Full-stack team: frontend, backend, mobile, desktop, AI, and DevOps - Clear communication with daily updates Ready to build something? Send us a message — we respond within hours.

5.6
5.6
100%

MARIANO ROQUE ALONSO, Paraguay
$50 USD per hour
- 𝗧𝗼𝗽 𝗿𝗮𝘁𝗲𝗱 𝗣𝗟𝗨𝗦 𝗼𝗻 𝗨𝗽𝘄𝗼𝗿𝗸: https://www.upwork.com/freelancers/~015e91fe3169caa000 - 𝗬𝗼𝘂𝗧𝘂𝗯𝗲: https://www.youtube.com/@nicolasmozo ⭐️⭐️⭐️⭐️⭐️ “Nicolas was quick & helpful and got the job done.” ⭐️⭐️⭐️⭐️⭐️ “Great work and very professional!” I help businesses automate the Google Sheets workflows their teams still update manually. If your team is copying data between tabs, checking records by hand, building reports manually, or moving data between Google Sheets and other tools, I can help turn that into a reliable automated workflow. What I build: ✅ Google Sheets automation with Apps Script ✅ API integrations into and out of Google Sheets ✅ Automated reports, dashboards, alerts, and internal tools ✅ Data cleanup, matching, validation, and record-checking workflows ✅ PDF, email, invoice, quote, or document generation from Google Sheets data ✅ Fixes and improvements for existing Google Sheets automations Common examples: - Pull platform/API data into Google Sheets - Sync CRM, booking, ticketing, property, legal, or operations data with Sheets - Move data between tabs, files, or departments automatically - Replace manual weekly/monthly reporting workflows - Flag missing records, inconsistencies, or errors - Build internal Google Sheets tools your team can actually use I’m a good fit if your business already relies on Google Sheets and the manual work around it is becoming slow, messy, or error-prone.

2.1
2.1
100%

Calgary, Canada
$40 USD per hour
Over the years, I’ve worked across a range of stacks—React, Next.js, Angular, Python (Flask, Django), ASP.NET, Node.js, and Vue—often blending them with cloud platforms like AWS, Azure, and Firebase to deploy robust solutions. Whether it’s building sleek front-end interfaces or architecting back-end systems that handle thousands of requests per second, I take pride in making products that don’t just function—they perform. By 2022, I was leading full-stack projects using the MERN and MEAN stacks, helping startups launch MVPs in as little as 6 weeks. But I didn’t stop there. As demand grew for smarter, more adaptive systems, I began integrating AI into the products I built. I started with OpenAI’s GPT API, using it to power dynamic customer service bots. Then came automations: workflow engines built using tools like n8n, Make.com, and Zapier that helped businesses cut hours of manual work each week. One project I’m particularly proud of involved building an AI-powered concierge for a travel platform. The bot not only understood user intent from messy input but also remembered returning users, supported multilingual interactions (English + Mandarin), and triggered real-time booking workflows via a custom Node.js backend. What once required human agents was now fully automated—saving the client over 40 hours of support time each week. I’ve also containerized complex systems using Docker and orchestrated multi-service deployments, ensuring they remain stable under load. From crafting admin dashboards with React + Tailwind to deploying .NET APIs on Azure for enterprise clients, I’ve worn many hats—and enjoyed the variety. But beyond the tech, what drives me is problem-solving. Whether it's debugging an edge case at 2 a.m. or streamlining an onboarding flow to reduce churn, I thrive at the intersection of logic and creativity. I don’t just build for today—I build with an eye on what’s next. If you're looking for a developer who can combine engineering precision with creative insight to deliver solutions that are both smart and scalable, I’d love to connect Let’s build what’s next—together My Skills Frontend Development: React, Next.js, Angular, Vue.js, Tailwind CSS, HTML5, CSS3, JavaScript (ES6+), TypeScript Backend Development: Node.js, Express.js, Python (Flask, Django), ASP.NET Core, PHP Full-Stack Frameworks: MERN Stack, MEAN Stack Cloud Platforms & Deployment: AWS (EC2, S3, Lambda), Microsoft Azure, Firebase API Development & Integration: REST, GraphQL, third-party API integrations AI & Automation: OpenAI GPT API, n8n, Make.com, Zapier, custom workflow automation Databases: MySQL, PostgreSQL, MongoDB, Firebase Firestore DevOps & CI/CD: Docker, Docker Compose, container orchestration, GitHub Actions, Azure DevOps

0.0
0.0
100%

Vellore, India
$20 USD per hour
Having Strong Programming Experience in Node.js Knowledge of front-end technologies such as HTML5 and CSS3. Integration testing using Postman Experience with MYSQL and MongoDB database Experience in github Experience with Swagger Knowledge of Firebase authentication and JWT (JsonWebToken)
A BitMEX API Developer is a software engineer who builds, integrates, and maintains automated trading systems, market data feeds, and account management tools using the BitMEX REST and WebSocket APIs. These specialists translate trading strategies into reliable code that connects directly to the BitMEX cryptocurrency derivatives exchange, handling everything from order execution to position monitoring and risk controls.
BitMEX API developers build the connective tissue between a trader's strategy and the exchange itself. The exchange offers perpetual swaps, futures, and options on Bitcoin and other cryptocurrencies, and serious participants rely on programmatic access rather than manual clicks. A skilled developer ships code that authenticates securely, places and cancels orders at low latency, and recovers gracefully from network disruptions or exchange maintenance windows.
The commercial value is direct. Faster, cleaner execution reduces slippage on leveraged positions. Reliable WebSocket streams keep dashboards and risk engines synchronised with the order book in real time. Automated stop-loss and liquidation monitoring protect capital when markets move sharply. For proprietary trading desks, quant funds, and individual algorithmic traders, the quality of the API layer often determines profitability.
BitMEX API work is typically done in Python, JavaScript or TypeScript with Node.js, Go, C#, or C++ when latency matters. Developers commonly use the official BitMEX Python connector, CCXT for multi-exchange abstraction, and libraries such as websockets, aiohttp, and asyncio for concurrent connections. Numerical work leans on pandas, NumPy, and ta-lib for indicators, while backtesting often uses Backtrader, vectorbt, or custom event-driven engines.
Infrastructure usually involves Docker for reproducible deployments, AWS or DigitalOcean for low-latency hosting close to BitMEX servers, Redis for in-memory state, and Git for version control. Monitoring stacks built on Prometheus and Grafana, plus structured logging, are standard for production trading systems.
Strong candidates combine software engineering discipline with genuine understanding of derivatives trading. Look for portfolio evidence of live trading bots, public GitHub repositories with clean async code, and familiarity with the specifics of BitMEX such as XBT contract multipliers, funding rate mechanics, mark price versus last price, and the exchange's rate-limit weighting. Experience with other crypto exchange APIs such as Binance, Deribit, or Bybit is a useful signal of breadth.
Ask for sample code that demonstrates WebSocket reconnection logic, idempotent order handling, and proper signature generation for authenticated requests. Verify that they understand the difference between testnet and mainnet, and that they take API key permissions seriously, including IP whitelisting and read-only versus trade-enabled keys.
Sample interview questions you can use:
Freelancer.com gives you access to a global pool of crypto engineers, quant developers, and algorithmic trading specialists who have already shipped BitMEX integrations. You can compare profiles, portfolios, and verified reviews from past clients before committing. Because clients on Freelancer.com set their own budgets and receive competitive bids, you control scope and cost while still attracting strong technical talent. Whether you need a one-off WebSocket integration or a full systematic trading platform, freelancers on Freelancer.com cover every level of experience and every relevant tech stack.
Ready to automate your derivatives trading or build a custom integration?
Hiring the right BitMEX API developer comes down to writing a clear technical brief, comparing serious proposals, and verifying real trading and engineering experience on candidate profiles. The process below walks through how to do this on Freelancer.com so you end up with a developer who understands both code and crypto derivatives.
The quality of your project post is the single biggest determinant of the bids you receive. A specific brief filters out generalists and attracts developers who have shipped BitMEX integrations before. Head to the
Bids are short proposals, not just price tags. Read each one carefully to see how the developer interprets your brief, what architecture they propose, and whether they raise the right questions about edge cases such as exchange downtime, partial fills, or funding rate handling. Strong proposals reference specific BitMEX endpoints, libraries, and prior trading bot experience.
The final decision combines proposal quality with hard evidence on the freelancer's profile. For BitMEX work, weigh consistency of delivery across multiple trading or exchange-integration projects rather than a single impressive example. Reviews from past crypto and fintech clients are particularly valuable signals.
A simple integration such as a price-tracking bot or basic order placement script can be completed in a few days. A full trading bot with backtesting, risk controls, and live monitoring usually takes several weeks, depending on strategy complexity and how much testnet validation is required before going live.
Yes. Many buyers post a project on Freelancer.com for a specific deliverable, such as porting a strategy from another exchange to BitMEX or adding WebSocket support to an existing bot. You can also engage the same freelancer on an ongoing basis for maintenance, exchange API updates, and new feature work.
A general crypto bot developer may work across many exchanges using abstraction libraries, while a BitMEX specialist understands the platform's specific contract specifications, margin model, funding mechanics, and rate-limit behaviour. For serious derivatives trading, exchange-specific expertise reduces costly bugs around leverage, liquidation, and order types.
Not for development. Most work can be done against the BitMEX testnet, which provides separate keys with simulated funds. Production keys should only be deployed by you, ideally with IP restrictions and the minimum permissions required for the bot to operate.
For most trading bot, integration, and data pipeline projects, a skilled freelancer is faster and more cost-effective than an agency. Agencies make sense only for large, multi-component platforms with parallel workstreams. A single experienced developer can usually handle the full scope of an individual trading system.

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