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~490 saniye
ilk teklife kadar
54+
proje başına teklif
7k+
Freelancer çevrimiçi
Ön ödeme gerekmez · yalnızca işten memnun kaldığınızda ödeme yapın

6,2
6,2
100%

Sawai Madhopur, India
$10 USD saatlik
7+ years building stable, secure web applications for startups and enterprises. Whether you're launching a new product, rescuing a broken codebase, or scaling an existing system, I write clean, tested code and communicate clearly from start to finish. What I do Full-stack web apps and websites — front-end to back-end REST APIs, microservices, and secure backend services Bug fixes, performance tuning, and legacy code refactoring Database design and integration (SQL & NoSQL) Cloud-ready deployment with Docker & Kubernetes AI-powered features — automation, chatbots, and smart integrations Core stack: Java & Spring Boot · React / Next.js / Angular · Apache Kafka · GraphQl · Microservices · Docker & Kubernetes · JUnit/Mockito testing Why clients stay: Clear communication, scalable architecture, on-time delivery, and long-term support when you need it. Send me your project details and I'll reply with a clear plan and honest timeline.

9,9
9,9
90%

Machakos, Kenya
$50 USD saatlik
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!

3,8
3,8
83%

Bacoor, Philippines
$25 USD saatlik
I provide high quality web, mobile, and software development services for startups, small businesses, and enterprise-level organizations. My expertise covers end-to-end product development from UI/UX and frontend engineering to backend architecture, cloud deployment, agentic AI systems, OpenClaw workflows, and emerging technologies. Technical Expertise AI, Agentic Systems & OpenClaw ⩥ Design and build production-grade agentic AI systems using frameworks such as CrewAI, LangGraph, LangChain, and OpenClaw with Think → Plan → Execute architectures for real-world automation ⩥ Architect multi-agent workflows where specialized agents collaborate, delegate, and coordinate across complex business processes ⩥ Develop intelligent orchestration pipelines that combine LLMs, APIs, tools, and external services into unified, decision-making systems ⩥ Implement stateful agent graphs with LangGraph for branching logic, retries, human-in-the-loop checkpoints, and long-running task execution ⩥ Build role-based agent crews with CrewAI for research, analysis, content generation, operations, and domain-specific automation ⩥ Create context-aware agents with memory, task routing, tool selection, and multi-step reasoning for complex, real-world operations ⩥ Integrate ChatGPT / OpenAI APIs and other LLMs to power conversational systems, automation engines, and decision-support tools ⩥ Build scalable RAG pipelines (vector search, embeddings, knowledge retrieval) to ground agents in domain-specific intelligence ⩥ Develop autonomous and semi-autonomous systems for task execution, monitoring, evaluation, and continuous optimization ⩥ Build AI copilots for SaaS platforms, internal tools, and customer-facing applications ⩥ Design prompt engineering frameworks, structured outputs, and guardrails for reliable, production-grade agent behavior ⩥ Integrate agentic systems with cloud infrastructure (AWS, serverless, databases) for persistent, observable, and scalable operations ⩥ Focus on performance, reliability, observability, and real business impact—not just experimentation Web & Frontend Development ⩥ React.js, Next.js, Angular, Redux, React Flow, JavaScript, TypeScript, HTML5, CSS3, TailwindCSS Backend & API Development ⩥ Node.js, Express.js, Python, Django, Flask, FastAPI, REST API, GraphQL Mobile Development ⩥ Flutter/Dart, FlutterFlow, Hybrid/Native apps, Android, iOS, Firebase Cloud, DevOps & Infrastructure ⩥ AWS, Azure, Google Cloud, Docker, CI/CD, Nginx, Serverless architecture Databases ⩥ MongoDB, PostgreSQL, MySQL, Firebase, Redis I deliver scalable, secure, and maintainable solutions with a strong focus on clean code, performance, and user experience. Whether you need a complete product built from scratch, improvements to an existing system, or long-term technical support, I bring a reliable, results-driven approach to every project.

1,0
1,0
100%

Luhove, Ukraine
$30 USD saatlik
I’m a results-driven engineer specializing in AI-powered automation, algorithmic trading systems, and full-stack web development. I help individuals and businesses turn ideas into robust, data-driven, and scalable products. 💡 Core Expertise: ✅ AI & Machine Learning: Model design, fine-tuning, and deployment (TensorFlow, PyTorch, OpenAI APIs) ✅ Algorithmic & Auto Trading: Strategy design, backtesting, and integration with APIs (Binance, MetaTrader, Interactive Brokers, Alpaca, etc.) ✅ Full Stack Development: React, Next.js, Node.js, Django, FastAPI, Flask ✅ Data Engineering: Real-time data pipelines, financial data scraping, and automation ✅ DevOps & Cloud: AWS, Docker, CI/CD, scalable deployments 🎯 What I Deliver: ✅ Reliable and maintainable code ✅ Clear communication and timely delivery ✅ Scalable architecture for long-term performance 🤝If you’re looking for someone who can bridge AI intelligence with solid engineering, let’s build something exceptional together.

2,9
2,9
100%

MILTON, Canada
$25 USD saatlik
I have spent the last 6 years doing one thing really well: making small businesses look so credible that their customers stop comparing prices and start reaching for wallets. That is not a tagline. That is what happens when your logo, your website, and your packaging all tell the same story before a single word gets read. I am Wania. I design brand identities and build websites for founders who are done looking like they are still figuring it out. My Shopify rebuilds have pushed DTC brands into six-figure months. One packaging redesign I shipped last year lifted in-store sales 42%. A recent ad creative campaign cut client CPC by 31%. These are not vanity metrics. These are the numbers that keep lights on and teams hired. Here is exactly what I bring to your project: Brand identity that actually sticks. Not a logo you will want to replace in six months. A full visual system that feels inevitable, like it could not have been any other way. Websites that sell while you sleep. WordPress, Shopify, Squarespace, Wix. Mobile-first, SEO-ready, PageSpeed green. Built for the algorithm and the human. Landing pages and funnels engineered for conversions. Wireframe to launch. Every button placement backed by behavior data. Every headline tested for clarity, not cleverness. Social and ad creatives that earn their keep. Thumb-stopping graphics designed to cut acquisition costs and increase return on ad spend. I do not do templates. I do not do "that looks fine." I do not disappear for three days mid-project and come back with something that misses the brief entirely. What I do is show up, challenge assumptions that are costing you money, and hand over work that performs from day one. If that sounds like the kind of partner your project actually needs, send me a message. Tell me what you are building. I will tell you exactly how I would make it impossible to ignore.
An ArangoDB expert is a database specialist who designs, deploys, and optimizes solutions on ArangoDB, a native multi-model database that combines document, graph, and key-value data within a single engine. Hiring a freelance ArangoDB expert gives you direct access to engineering talent capable of building high-performance applications backed by AQL (ArangoDB Query Language), graph traversals, and distributed cluster deployments.
An ArangoDB consultant handles every layer of the database stack, from initial schema design through production tuning. They translate complex data relationships into collections, edges, and graphs, then write efficient AQL queries that join document and graph data without the overhead of multiple database systems.
The commercial value is consolidation. Instead of operating separate document stores, graph engines, and caching layers, an ArangoDB specialist delivers one unified system that reduces infrastructure costs, simplifies the application code, and shortens query paths for analytics and recommendation features.
Freelance ArangoDB developers typically deliver work across data modeling, query engineering, and operational deployment. Common services include:
A capable ArangoDB consultant is fluent across the wider ecosystem that surrounds the database. Expect proficiency with:
ArangoDB is used wherever data has both structure and relationships. Freelance ArangoDB experts commonly support:
Strong candidates show a mix of database engineering fundamentals and ArangoDB-specific depth. Look for hands-on experience modeling at least one production graph, evidence of AQL optimization work, and clear comfort with cluster topology. Portfolios should include schema diagrams, sample AQL queries, and case studies showing query latency or throughput improvements.
Useful interview questions include:
Cross-check answers against their portfolio, GitHub repositories, and any Foxx services or AQL libraries they have published.
Freelancer.com gives you access to a global pool of database engineers, backend developers, and data architects with verified ArangoDB experience. You can review profiles, portfolios, ratings, and past project history before you hire on Freelancer.com, then choose between fixed-price milestones or hourly engagements depending on your project scope.
Because freelancers on Freelancer.com bid competitively on your brief, you set the budget and compare proposals from specialists across time zones. Milestone Payments hold funds securely until you approve each deliverable, which is particularly useful for staged database work such as schema design, migration, and cluster deployment. Whether you need a short consultation on AQL performance or a long-term ArangoDB engineer embedded in your team, Freelancer.com supports both engagement models.
Hiring an ArangoDB specialist is straightforward when you start with a clear brief and a structured evaluation process. The clearer you are about your data model, deployment environment, and expected outcomes, the more accurately freelancers can scope and price their bids. The three steps below walk you through it.
Your project post is the single biggest determinant of bid quality. A precise brief filters for ArangoDB freelancers whose experience genuinely matches your stack, while a vague post invites generic proposals. Head to the
Bids are short proposals, not just price quotes. They reveal how each ArangoDB freelancer interprets your brief, what approach they would take to your schema or query problem, and what timeline they consider realistic. Read each proposal carefully and shortlist candidates whose understanding of multi-model design, AQL, and cluster operations clearly matches your needs.
Your final decision should combine proposal quality with profile evidence. Look at portfolio depth across multiple ArangoDB engagements rather than weighting a single standout example, and read written reviews from past clients to gauge reliability under pressure. For database work, consistency and communication matter as much as raw skill.
A focused engagement such as AQL query tuning or an index audit can be completed in a few days, while building a new schema with graph collections and Foxx services typically takes several weeks. Migrations from MongoDB or Neo4j and full cluster deployments are larger projects that often run one to three months depending on data volume and integration complexity.
If your project relies on multi-model features, AQL traversals, SmartGraphs, or ArangoSearch, hire a specialist who has worked directly with ArangoDB in production. A general database developer can handle CRUD wiring, but ArangoDB-specific tuning, sharding strategy, and graph modeling require dedicated experience to avoid expensive rework.
Neo4j is a dedicated graph database, while ArangoDB is a native multi-model engine that handles documents, graphs, and key-value data in one query language. Teams choose ArangoDB when they want graph capabilities alongside document storage without operating two separate systems.
Yes. Many clients hire ArangoDB consultants for short engagements such as schema reviews, query optimization, cluster health checks, or migration feasibility assessments. You can scope the project as a fixed-price engagement on Freelancer.com and extend it later if more work is needed.
For most ArangoDB projects, a skilled solo freelancer is sufficient and offers faster communication and lower coordination overhead. Agencies make sense only when the work spans full-stack delivery across multiple disciplines such as DevOps, frontend, and backend simultaneously.

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ArangoDB projelerinden ilham alın

Oyun.
9 gün içinde 50$ USD.

Ambalaj Tasarımı.
4 gün içinde 110$ USD.

Müzik Videosu.
12 gün içinde 300$ USD.

İç Tasarım
14 gün içinde 269$ USD.

Poster.
3 gün içinde 100$.

El İlanı Tasarımı.
1 gün içinde 15$ USD.

Konsept Tasarımı.
10 gün içinde 100$ USD.

Sosyal Gönderim.
6 gün içinde 50$ USD.
Küçük işletmelerden büyük şirketlere, girişimcilerden yeni girişimlere milyonlarca kullanıcı fikirlerini gerçeğe dönüştürmek için Freelancer'ı kullanıyor.
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89.4M
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25.8M
25.8M
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