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$15/hr
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Job Success
$90K+ earned
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𝗣𝗥𝗢𝗙𝗘𝗦𝗦𝗜𝗢𝗡𝗔𝗟 𝗦𝗨𝗠𝗠𝗔𝗥𝗬
𝗛𝗶𝗴𝗵𝗹𝘆 𝗮𝗰𝗰𝗼𝗺𝗽𝗹𝗶𝘀𝗵𝗲𝗱 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗔𝗜/𝗠𝗟 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 with 𝟮𝟬+ 𝘆𝗲𝗮𝗿𝘀 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲
specializing in cutting-edge artificial intelligence, advanced Rust programming,
and sophisticated Robotic Process Automation. Expert in architecting intelligent
systems that integrate AI capabilities with real-world applications through
advanced automation, blockchain technology, and robotic systems.
𝗣𝗥𝗢𝗩𝗘𝗡 𝗧𝗥𝗔𝗖𝗞 𝗥𝗘𝗖𝗢𝗥𝗗:
o 𝟭𝟬𝟬+ 𝘀𝗮𝘁𝗶𝘀𝗳𝗶𝗲𝗱 𝗰𝗹𝗶𝗲𝗻𝘁𝘀
o 𝟴𝟬%+ 𝗿𝗲𝘁𝗲𝗻𝘁𝗶𝗼𝗻 𝗿𝗮𝘁𝗲
o 𝟱𝟬+ 𝘁𝘂𝗿𝗻𝗸𝗲𝘆 𝗽𝗿𝗼𝗷𝗲𝗰𝘁𝘀 delivered successfully
𝗖𝗢𝗥𝗘 𝗘𝗫𝗣𝗘𝗥𝗧𝗜𝗦𝗘
o 𝗔𝗜/𝗠𝗟 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: GPT-4, Llama3, BERT, TensorFlow, PyTorch, LangChain, RAG systems
o 𝗥𝘂𝘀𝘁 𝗣𝗿𝗼𝗴𝗿𝗮𝗺𝗺𝗶𝗻𝗴: Advanced systems development, WebAssembly, blockchain integration
o 𝗥𝗣𝗔 & 𝗥𝗼𝗯𝗼𝘁𝗶𝗰𝘀: UiPath, ROS, NVIDIA OpenArm, intelligent document processing
o 𝗕𝗹𝗼𝗰𝗸𝗰𝗵𝗮𝗶𝗻: Solidity, Solana, DeFi protocols, smart contracts, Web3 integration
o 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸: React, Node.js, Python, FastAPI, microservices, cloud deployment
𝗧𝗘𝗖𝗛𝗡𝗜𝗖𝗔𝗟 𝗦𝗞𝗜𝗟𝗟𝗦
𝗔𝗜 & 𝗠𝗮𝗰𝗵𝗶𝗻𝗲 𝗟𝗲𝗮𝗿𝗻𝗶𝗻𝗴:
o LLMs: GPT-4 Omni, Gemini, Llama3, Cohere, Mistral
o Frameworks: TensorFlow, PyTorch, scikit-learn, Hugging Face
o NLP: NLTK, spaCy, transformers, sentiment analysis
o MLOps: MLflow, vector databases, model deployment
o Computer Vision: OpenCV, YOLO, object detection
𝗥𝘂𝘀𝘁 & 𝗦𝘆𝘀𝘁𝗲𝗺𝘀:
o Advanced Rust: async/await, concurrency, memory safety
o Web: Actix-web, Axum, WebAssembly
o Blockchain: Anchor framework, Solana programs
o Performance: optimization, profiling, system programming
𝗥𝗣𝗔 & 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻:
o Platforms: UiPath, Automation Anywhere, Blue Prism
o Robotics: ROS1/ROS2, navigation, SLAM
o NVIDIA: OpenArm, Isaac SDK, Jetson development
o Document Processing: OCR, intelligent extraction
𝗕𝗹𝗼𝗰𝗸𝗰𝗵𝗮𝗶𝗻 & 𝗪𝗲𝗯𝟯:
o Platforms: Ethereum, Solana, Polygon, BSC
o Languages: Solidity, Vyper, Rust (Anchor)
o DeFi: AMM, DEX, lending protocols, yield farming
o Tools: Web3.js, Ethers.js, IPFS, MetaMask
𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗦𝘁𝗮𝗰𝗸:
o Backend: Node.js, Python, FastAPI, GraphQL
o Frontend: React, Vue.js, TypeScript
o Databases: PostgreSQL, MongoDB, Redis
o Cloud: AWS, Docker, Kubernetes, CI/CD
o No-Code: Bubble, Make, Zapier
𝗞𝗘𝗬 𝗔𝗖𝗛𝗜𝗘𝗩𝗘𝗠𝗘𝗡𝗧𝗦
o 𝗔𝗜 𝗖𝘂𝘀𝘁𝗼𝗺𝗲𝗿 𝗦𝗲𝗿𝘃𝗶𝗰𝗲 𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺: 85% response time reduction, 95% satisfaction
o 𝗣𝗿𝗲𝗱𝗶𝗰𝘁𝗶𝘃𝗲 𝗠𝗮𝗶𝗻𝘁𝗲𝗻𝗮𝗻𝗰𝗲 𝗦𝘆𝘀𝘁𝗲𝗺: 92% accuracy, 70% downtime reduction
o 𝗗𝗲𝗙𝗶 𝗣𝗿𝗼𝘁𝗼𝗰𝗼𝗹: $50M+ TVL managed, zero security incidents
o 𝗘𝗻𝘁𝗲𝗿𝗽𝗿𝗶𝘀𝗲 𝗥𝗣𝗔: 99.8% accuracy, 80% processing time reduction
o 𝗖𝗿𝗼𝘀𝘀-𝗰𝗵𝗮𝗶𝗻 𝗕𝗿𝗶𝗱𝗴𝗲: $100M+ transfers facilitated securely
𝗦𝗘𝗥𝗩𝗜𝗖𝗘 𝗢𝗙𝗙𝗘𝗥𝗜𝗡𝗚𝗦
o 𝗔𝗜 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: Custom ML pipelines, NLP solutions, computer vision, conversational AI
o 𝗥𝗣𝗔 𝗜𝗺𝗽𝗹𝗲𝗺𝗲𝗻𝘁𝗮𝘁𝗶𝗼𝗻: Process automation, document processing, workflow optimization
o 𝗥𝘂𝘀𝘁 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: High-performance systems, blockchain applications, WebAssembly
o 𝗕𝗹𝗼𝗰𝗸𝗰𝗵𝗮𝗶𝗻 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀: Smart contracts, DeFi protocols, NFT platforms, Web3 integration
o 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀: End-to-end development, API integration, cloud deployment
𝗣𝗥𝗢𝗙𝗘𝗦𝗦𝗜𝗢𝗡𝗔𝗟 𝗤𝗨𝗔𝗟𝗜𝗧𝗜𝗘𝗦
o Strong analytical and problem-solving capabilities
o Excellent communication and client collaboration
o Proven leadership with cross-functional teams
o Continuous learning and technology adaptation
o Security-first development approach
o Comprehensive testing and quality assurance
𝗖𝗨𝗥𝗥𝗘𝗡𝗧 𝗥𝗘𝗦𝗘𝗔𝗥𝗖𝗛 𝗙𝗢𝗖𝗨𝗦
o AI-blockchain convergence and decentralized AI
o Quantum-resistant security implementations
o Edge AI deployment and optimization
o Cognitive RPA with advanced AI integration
o Human-robot collaboration frameworks
𝗖𝗔𝗥𝗘𝗘𝗥 𝗢𝗕𝗝𝗘𝗖𝗧𝗜𝗩𝗘
𝗦𝗲𝗲𝗸𝗶𝗻𝗴 𝗰𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗶𝗻𝗴 𝗼𝗽𝗽𝗼𝗿𝘁𝘂𝗻𝗶𝘁𝗶𝗲𝘀 to leverage comprehensive expertise in AI
development, Rust programming, and robotic automation to create transformative
solutions that drive business innovation and competitive advantage through
cutting-edge technology integration.
Mridul M.
has worked
.
Kenya
$50/hr
100%
Job Success
$100K+ earned
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Proven expertise in Rust programming for high-performance, reliable systems. Proficient in systems programming, functional programming, and concurrent programming. Skilled in optimizing code for performance and security. Experienced in full-stack development, from back-end services to front-end applications. Strong problem-solving and communication skills.
$35/hr
100%
Job Success
Available now
Offers consultations
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Welcome to my profile!
🔥 I help startups and global businesses (Pfizer, Deutsche Bank, ING, Upwork, KLM, Ford) build, scale, and support AI SaaS products faster, acting as a lead full stack developer and mobile app developer so you don't need to assemble a full team just to get moving. If your project needs a highly interactive frontend built by a specialist react developer, or use Vue and Angular, a scalable .NET or Golang architecture, a custom CMS handled by a senior wordpress developer, or a dedicated Back End Developer building secure Rust and Solana microservices, I cover it as your full stack developer and software developer, so you get one point of ownership instead of five disconnected specialists. My deep expertise in JavaScript, PHP, and AI integrations, combined with an understanding of SaaS sales and SaaS marketing, means the SaaS applications I build are engineered to actually convert and scale, not just function.
⭐ Certified full stack developer, React developer, software developer, & SaaS developer Top Rated+ 🏆 100% full stack developer Success for every SaaS contract utilizing React, Vue, Angular, Node.js, Python, Golang, Rust
⭐ 5-star Rating for web, mobile app developer projects, AI, Web3 Solana, and SaaS
💰 $300K+ earned delivering excellence as an elite full stack developer, web developer, software developer, and wordpress developer.
Whatever stage your product is at, I bring extensive full stack developer and software developer expertise across Web, Mobile, and SaaS platforms to get you there, seamlessly integrating AI models and Web3 components (including Solana smart contracts) into robust web systems built for your business. Whether architecting a new SaaS platform in .NET, optimizing core financial engines in Rust or golang, deploying a custom theme as a wordpress developer, boosting technical infrastructure for FinTech, MarTech, PropT SaaS products, or scripting in Python for complex data processing. My full stack developer and SaaS developer approach covers every Web, Mobile, AI, Data, Web3 projects domains.
My skills as a full stack developer, React developer, software developer, SaaS developer, web developer, mobile app developer, and Back End Developer:
React (lead react developer, MERN stack)
Vue
Angular
Node.js
Python
Golang
.NET (Web APIs, legacy migrations)
Rust (memory-safe modules, solana ecosystems)
PHP (stable databases)
JavaScript (core & advanced ecosystems)
WordPress / custom CMS
AI model integrations
Web3 / Solana smart contracts
iOS/Android (mobile app developer)
Agile & Scrum delivery
Stack of technologies I use as your full stack developer:
✅ Frontend: React, Vue, Angular
✅ Backend & APIs: Node.js, .NET Web APIs, Golang, PHP
✅ Data & scripting: Python (complex data processing)
✅ Blockchain: Rust-based Solana microservices, Web3 smart contracts
✅ CMS: bespoke WordPress builds and custom themes
✅ AI: model integrations for smart SaaS features
✅ Mobile: iOS/Android builds as mobile app developer
By combining core JavaScript, advanced React/Vue/Angular ecosystems, scalable Node.js and Golang microservices, stable PHP databases, and smart AI features, I deliver exactly what you need from a top-tier full stack developer, cross-platform mobile app developer, software developer, and Back End Developer.
Industries where I bring solid full stack developer, software developer, and saas developer experience, relying on flawless custom SaaS execution under real load:
✅ Finance (FinTech SaaS platforms, data analytics via Python, golang, Rust)
✅ PropTech (SaaS dashboards, interactive UIs via JavaScript, vue, angular, React)
✅ HRTech (SaaS workflows and tooling)
✅ Travel (SaaS booking and management platforms)
✅ eCommerce (SaaS web portals via .NET and PHP)
As a dedicated React full stack developer, react developer, Node.js Architect, elite Back End Developer, and strategic SaaS developer, I blend AI performance, Golang APIs, and Rust (including Solana blockchains) into your traditional SaaS workflows — as your full stack developer, web developer, and mobile app developer, all in one.
🔥 Backed by certification as a full stack developer Engineering and Solution Architect Expert (Ph.D. CS, PMP, CSP, CSM, CSPO, ICP-PPM, MCP), I deliver Agile/Scrum SaaS solutions as a lead full stack developer, dedicated react developer, software developer, and saas developer focused on turning your web, AI, React, Vue, angular, Rust,Solana, Golang, and .NET goals into a shipped product. Managing cross-functional teams as a full stack developer, I ensure strict coding best practices across dynamic React, Vue, and angular UIs, iOS/Android builds guided by a senior mobile app developer, Node.js, Golang, and PHP backends, Web3 Solana integrations, legacy .NET migrations, bespoke CMS builds managed by a wordpress developer, and sophisticated Python integrations designed to maximize your Saas sales and Saas marketing ROI
*Updated: 17.07.2026
Serhiy L.
has worked
.
Associated with
Genius Software
$40/hr
100%
Job Success
$100K+ earned
Start of list.
End of list.
I build, scale, and optimize high-performance SaaS platforms and AI-powered web applications. From complex Rust backends to modern Next.js frontends, I help founders launch MVPs in 4-8 weeks.
Building a successful software product requires more than just writing code — it demands thoughtful architecture, clear system design, and a product-first engineering mindset.
Most companies and product teams face at least one of these challenges:
• they need to build a complex SaaS platform but lack full-stack expertise
• their current product struggles to scale as the user base grows
• development slows down because of technical debt or weak architecture
• they want to integrate AI workflows but are unsure how to implement them
This is where I step in. I design and engineer end-to-end full-stack systems that support real business growth, ensuring scalability, security, and maintainability.
🏆 RESULTS I’VE DELIVERED FOR CLIENTS
Projects I’ve built consistently deliver measurable outcomes:
• launched SaaS platforms and MVPs in 4–8 weeks, accelerating time-to-market
• reduced development and feature-release timelines by 40–60%
• automated operations (ETL, API integrations), saving teams 15–25 hours weekly
• scaled platforms to smoothly support 10K–50K+ active users
• reduced cloud infrastructure costs by up to 30% through backend optimization
💻 WHAT I BUILD
My focus is full-stack software development and SaaS architecture.
Typical projects include:
• end-to-end SaaS platforms (multi-tenant architecture, billing, auth)
• AI-powered applications and intelligent automation workflows
• Custom CRM & ERP Systems: Building scalable customer management tools with lead tracking, task automation, and custom internal workflows.
• high-performance web applications and operational dashboards
• scalable backend systems and robust API infrastructure
• complex third-party API integrations (Odoo, CRMs, Payment Gateways)
⚙️ MY TECH STACK & EXPERTISE
• Backend & Core: Rust (Tokio, Actix/Axum), Node.js, Python, Tauri
• Frontend: Next.js, React.js, TypeScript, JavaScript, Tailwind CSS
• AI & APIs: OpenAI API, Gemini, Claude, REST APIs, GraphQL
• Databases: PostgreSQL, Supabase, MongoDB, Redis, SQLite
• Infrastructure: AWS, GCP, Docker, Kubernetes, GitHub Actions (CI/CD)
🎯 TYPICAL DEVELOPMENT SCENARIOS
End-to-End SaaS Development
Building a SaaS requires connecting multiple layers securely. I help teams design database schemas, robust APIs, and modern frontends while integrating subscription billing (Stripe) and deploying to scalable cloud infrastructure.
AI Integrations & Feature Expansion
Many products want to leverage AI to increase value. I build AI-driven features like chat assistants, automated content generation, intelligent search (RAG), and data analysis tools directly into existing workflows.
Business Automation & Internal Tools
Companies often outgrow spreadsheets. I build internal web applications and perform ETL (Extract, Transform, Load) processes that automate operations, connect fragmented systems (like Odoo), and provide clear operational dashboards.
🔄 MY DEVELOPMENT PROCESS
To deliver reliable software fast, I follow a structured workflow:
Step 1: Requirements & Planning
Defining business logic, user flows, and technical requirements.
Step 2: Architecture & Database Design
Designing scalable backend architecture and secure data models.
Step 3: Full-Stack Development
Building frontend interfaces and backend services with clean, maintainable code.
Step 4: Deployment & Optimization
Setting up cloud infrastructure (Docker/AWS), CI/CD pipelines, and monitoring.
🤝 WHO I WORK WITH
Most of my clients include:
• SaaS startups launching new platforms
• product teams needing senior full-stack expertise without the agency overhead
• established businesses optimizing internal operations
Typical project budgets range from $5K to $50K depending on scope and complexity.
💡 WHY WORK WITH ME?
Beyond writing code, I bring product vision, fluent English, and transparent communication. I collaborate closely with founders to translate ideas into technical milestones, avoiding architectural mistakes that kill growth later.
My goal is simple: build software that performs reliably today and continues to scale as your users, data, and business grow.
📩 IF YOU’RE WORKING ON:
• a new SaaS platform
• an AI-powered web application
• a complex backend architecture
• a business automation system
Reach out and share your project details. Let's discuss the best technical approach for your product!
Viktor D.
has worked
.
Associated with
Out of the Box Systems
$50/hr
$9K+ earned
Available now
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Hello there! I'm Narayan Bhat, an experienced Rust developer with a passion for building reliable and scalable payment systems. I'm one of the top contributors of the hyperswitch project.
I have already worked on projects which involve self hosting hyperswitch.
Narayan B.
has worked
.
$65/hr
Available now
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I am an AI-enabled Full Stack Engineer focused on backend architecture, API platforms, and production infrastructure for business-critical products.
My core expertise is building secure, scalable, and maintainable backend systems that handle real-world load. I design and deliver REST, GraphQL, and gRPC services, event-driven workflows, and asynchronous processing pipelines with strong reliability and observability standards. I work primarily with Rust, Python, and TypeScript, and regularly build services using Node.js-based and Python-based API frameworks, backed by PostgreSQL and Redis.
I specialize in service decomposition, API contract design, data modeling, queue-based processing, and high-throughput integration patterns. I deploy and operate systems with Docker and cloud infrastructure, implement CI/CD with disciplined release practices, and design for traceability, auditability, and failure recovery from day one.
On the AI side, I integrate LLM capabilities where they create measurable product value, including retrieval pipelines, agent-assisted workflows, and intelligent automation. I focus on production-ready AI with practical controls for quality, latency, cost, and predictable behavior, not just prototypes.
I communicate clearly with both technical and non-technical stakeholders and take ownership across the full lifecycle, from architecture and implementation to deployment and post-launch optimization. If you need an engineer who combines backend rigor with pragmatic AI delivery, I can help you ship reliable systems that scale.
Libni M.
has worked
.
$95/hr
$200+ earned
Available now
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Most backend systems don't fail because of bad developers. They fail because of architectural decisions made too early, under pressure, without a long-term plan.
I'm a Systems Architect with 5+ years building production-grade platforms at Ramsey Diagnostic Corporation, where I led architecture for computer vision pipelines, regulated healthcare workflows, billing systems, and internal developer tooling. These weren't greenfield experiments. They were high-stakes systems that had to work reliably, scale cleanly, and survive years of changing requirements.
I specialize in Rust backend systems and distributed architecture, with deep experience extending into AI infrastructure and blockchain. If you're building something that needs to last, not just ship, that's where I do my best work.
🏆 What I'm known for:
- Designing distributed systems with clear service boundaries that don't collapse under growth
- Building high-concurrency Rust backends (Actix Web, Tokio) that handle real production load
- Integrating AI into backend systems that actually work: RAG pipelines, LLM tooling, vector search
- Decomposing legacy monoliths into maintainable service-based architectures
- Solana and Ethereum contract systems with secure off-chain backend integration
💼 Where I've made a difference:
At Ramsey Diagnostic Corporation, I led architecture for a computer vision production pipeline operating under strict healthcare compliance requirements. I designed the workflow orchestration layer, built the billing and operational backend, and created internal developer tooling that reduced friction across engineering teams, all within a regulated environment where reliability wasn't optional.
🎯 I work best on projects like:
- Rust microservices + PostgreSQL backend systems
- RAG pipelines and LLM-backed internal platforms
- Legacy system decomposition and backend modernization
- Workflow orchestration and event-driven architecture
- PostgreSQL performance tuning for large-scale data systems
- Observability setup: logging, monitoring, distributed tracing
- Solana smart contract + backend API systems
- Ethereum contract architecture + off-chain service design
🛠️ Technical Stack:
Rust · Actix Web · Tokio · Diesel ORM · Python · FastAPI · PostgreSQL · pgvector · Qdrant · Redis · Docker · AWS · Azure · GCP · CI/CD · Linux · RAG · LLM Integration · Solana · Anchor · Ethereum · Solidity
Stephen G.
has worked
.
$45/hr
Start of list.
End of list.
Senior Quant Engineer and architect of enterprise-grade trading automation systems including MagicTradeBot, ArbEdgeBot, WhaleTrackerBot, RedisMarketBridge, and FeatureMarketBridge.
I specialize in designing ultra-low latency trading infrastructure, high-frequency execution systems, and scalable multi-tenant SaaS trading platforms across crypto, forex, futures, options, prediction markets, and DeFi.
My core expertise is building custom trading systems from the ground up — including strategy engines, execution layers, exchange adapters, market data pipelines, risk systems, monitoring dashboards, copy trading infrastructure, and fully automated bots deployed in production environments.
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CORE SPECIALIZATIONS
━━━━━━━━━━━━━━━━━━
• High-Frequency Trading (HFT)
• Market-Making Systems
• Arbitrage Bots
• MEV & Mempool Systems
• Solana Sniper Bots
• DEX/CEX Trading Infrastructure
• Prediction Market Bots
• Forex & MetaTrader Automation
• Multi-Exchange Order Routing
• TradingView Webhook Execution
• Copy Trading Platforms
• Funding Rate Farming Bots
• Whale Tracking & On-Chain Monitoring
• Quantitative Strategy Development
• Distributed Multi-Tenant SaaS Platforms
• Real-Time Market Data Systems
• Risk Engines & Portfolio Automation
━━━━━━━━━━━━━━━━━━
LANGUAGES & STACK
━━━━━━━━━━━━━━━━━━
• Rust (low latency execution, HFT, async systems)
• Go / Golang (concurrent routing & infrastructure)
• Python (quant research, ML, data pipelines)
• C++
• C#
• MQL4 / MQL5
• Pine Script
━━━━━━━━━━━━━━━━━━
BROKERS, EXCHANGES & APIs
━━━━━━━━━━━━━━━━━━
• Interactive Brokers (IBKR)
• Tradier
• TD Ameritrade
• MetaTrader 4/5
• cTrader
• FIX API
• ORATS
• ThetaData
• Polygon
• TradingView
• Binance
• Bybit
• OKX
• Kraken
• Hyperliquid
• GMX
• Polymarket
• Kalshi
• Jupiter
• Raydium
• Uniswap
• Orca
• PancakeSwap
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TECHNOLOGIES & TOOLS
━━━━━━━━━━━━━━━━━━
• Redis
• Kafka
• RabbitMQ
• PostgreSQL
• ClickHouse
• TimescaleDB
• WebSockets
• REST APIs
• FIX Protocol
• Docker
• Kubernetes
• AWS / GCP
• Linux Infrastructure
• NATS
• gRPC
• Prometheus & Grafana
• TensorFlow / PyTorch
• Vectorized Backtesting
• Event-Driven Architecture
• Async Distributed Systems
━━━━━━━━━━━━━━━━━━
BOTS & SYSTEMS I BUILD
━━━━━━━━━━━━━━━━━━
✔ Crypto Trading Bots
✔ Forex Expert Advisors (MT4/MT5)
✔ TradingView Alert Bots
✔ Market-Making Engines
✔ Arbitrage Systems
✔ Solana Trading Bots
✔ MEV Searchers
✔ Flash Loan Arbitrage Bots
✔ Copy Trading Platforms
✔ Prediction Market Bots
✔ Whale Tracking Infrastructure
✔ Liquidity Monitoring Systems
✔ Portfolio Rebalancing Engines
✔ Quant Dashboards
✔ SaaS Trading Platforms
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RECENT EXPERIENCE
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• Architected enterprise-grade crypto trading platform “MagicTradeBot”
• Built low-latency arbitrage infrastructure with Rust
• Developed distributed multi-tenant SaaS trading systems
• Engineered whale tracking and copy trading infrastructure
• Built prediction market execution bots
• Developed Solana trading infrastructure
• Created TradingView webhook execution engines
• Designed Redis-based market bridge systems for ultra-fast data propagation
• Built MetaTrader EAs and FIX-integrated forex systems
• Implemented real-time risk management and monitoring layers
I work with hedge funds, proprietary traders, crypto startups, and founders who need production-grade systems — not hobby scripts.
Available for:
• Full bot development
• Strategy implementation
• Infrastructure architecture
• Performance optimization
• Exchange integrations
• SaaS trading platforms
• Long-term engineering partnerships
NDA-friendly. Private repositories. Enterprise-grade delivery.
$50/hr
100%
Job Success
$600K+ earned
Available now
Offers consultations
Start of list.
End of list.
High-performance backends. Decision engines. AI factories. Computer vision. Real-time systems. From UI/UX-heavy MVPs to full-stack platforms built for the traffic that comes after launch day, not just during it. Rust, C++, and 5+ languages.
100,000+ concurrent WebSocket connections -- in production. A 12-week roadmap shipped in 4.
30 senior engineers. Dedicated project teams, not rotating freelancers. Every engagement starts with a paid Discovery phase -- we scope the architecture before we write a line of code.
Not a fit: no-code workflows, or projects solvable with Zapier.
WHAT I BUILD
- High-Performance Backends: Production backends with actix-web, axum, and Tokio -- millions of requests/day, zero GC pauses. REST, GraphQL, WebSocket, and gRPC services for throughput and latency-sensitive workloads.
- Full-Stack Platforms: React, Next.js, TypeScript frontends with production backends -- SaaS, MVPs, and custom web applications from architecture to deployment. Designed for 1K to 100K concurrent users without a rewrite.
- Autonomous AI Agents: Agentic pipelines with OpenAI and Anthropic Claude -- lead qualification, data analysis, customer support running 24/7. Multi-step reasoning, error recovery, state persistence. 11+ projects for one client.
- Computer Vision: Object detection, tracking, real-time inference, OCR, document processing -- CUDA-optimized, deployed as production APIs or edge devices. Not Jupyter notebooks.
- Real-Time 3D & Visualization: WebGL and WebGPU rendering -- product configurators, data dashboards, architectural viewers at 60fps in-browser on mid-range hardware.
- Data Pipelines: Rust-native processing with Polars and DataFusion -- replacing Python/JavaScript bottlenecks. Kafka streaming, PostgreSQL persistence.
- Cloud & Infrastructure: AWS, GCP, Azure with Terraform and Kubernetes -- auto-scaling, zero-downtime deployments, infrastructure-as-code.
RECENT OUTCOMES
- Crypto trading platform dropping connections above 8,000 users. Rebuilt proxy in Rust, Tokio, Kubernetes -- 100,000 connections at under 10ms, zero crashes.
- GovTech blockchain payment router on Go. Rebuilt IAVL Tree in Rust -- 20–30% faster, Clutch-reviewed (Alex Kampa, AZKR Research).
- Recruitment team spending 4 hours daily on manual data entry. Built automated extraction and processing pipeline -- 95% reduction.
- Data analytics platform hitting memory limits in JavaScript. Replaced core with Rust and Polars -- 5x faster processing, 70% lower memory.
- Blockchain gaming 3D pipeline loading in 8+ seconds. Rebuilt within 4GB RAM budget -- 45% faster, Clutch-reviewed (Ruslan Varets).
TECHNOLOGIES
- Systems & Backend: Rust, C++, Python, TypeScript, actix-web, axum, Tokio, Node.js, WebAssembly
- Frontend: React, Next.js, TypeScript, Tauri, Dioxus
- AI & Agents: OpenAI, Anthropic Claude, Hugging Face, LangChain, RelevanceAI
- Graphics: WebGL, WebGPU, OpenGL, Vulkan, three.js, GLSL/WGSL shaders, bevy
- Vision: OpenCV, CUDA, PyTorch, TensorFlow, Keras, Mediapipe
- Data: Polars, DataFusion, PostgreSQL, Kafka, Snowflake, Apache Arrow
- Cloud & DevOps: AWS, GCP, Azure, Terraform, Kubernetes, Docker, GitHub Actions
- Networking: WebRTC, LibP2P, QUIC, WebSocket, gRPC
Delivery: Discovery → Architecture Review → Platform Build → Performance Testing → Production Deploy → Runbook Handoff. Fixed scope per phase.
This profile is for engineering teams building production platforms under real load. Send your project brief -- I'll reply within 48 hours to assess fit.
Kostiantyn M.
has worked
.
Associated with
Out of the Box Systems
$20/hr
100%
Job Success
$10K+ earned
Available now
Offers consultations
Start of list.
End of list.
Blockchain is easy to pitch.
Building something people actually use is where things get interesting.
Over the last 10+ years, I've worked across software engineering, product development, and blockchain infrastructure, helping startups and businesses turn ideas into working products.
A large part of my recent work has focused on:
• Carbon Credit Tokenization
• Real Estate Tokenization
• RWA (Real World Asset) Platforms
• Smart Contracts
• DeFi Applications
• Web3 Products
• Exchange & Trading Infrastructure
I've worked on projects ranging from token ecosystems and blockchain integrations to SaaS platforms, backend systems, automation tools, and customer-facing applications.
One thing I've learned over the years is that most projects don't fail because of technology.
They fail because requirements aren't clear, complexity gets out of control, or important technical decisions are postponed until they become expensive.
That's usually where I get involved.
Sometimes it's a new product.
Sometimes it's an existing platform that needs to scale.
Sometimes it's a project that's been through multiple developers and needs a practical way forward.
What I Can Help With:
Asset Tokenization & RWA
✔ Carbon Credit Platforms
✔ Real Estate Tokenization
✔ Fractional Ownership Models
✔ Asset-Backed Token Solutions
✔ Investor Portals
✔ RWA Infrastructure
Blockchain & Web3
✔ Smart Contract Development
✔ ERC20 / BEP20 Tokens
✔ Wallet Integrations
✔ dApps
✔ DeFi Platforms
✔ NFT Infrastructure
✔ Web3 Integrations
✔ Staking & Reward Systems
Exchange & Trading Systems
✔ Crypto Exchanges
✔ Matching Engine Integrations
✔ Trading Platforms
✔ Wallet Management
✔ Payment Processing
Software Engineering
✔ SaaS Platforms
✔ Backend Systems & APIs
✔ AI Integrations
✔ Automation Solutions
✔ Cloud Infrastructure
✔ System Architecture
✔ Database Design & Optimization
Technology Stack
Blockchain: Solidity, Ethereum, Web3, DeFi, ERC20, BEP20, Tokenization, RWA Infrastructure
Backend: Node.js, TypeScript, PHP, Laravel, Python, REST APIs, GraphQL, Microservices
Frontend: React, Next.js, JavaScript
Infrastructure: AWS, Docker, Linux, CI/CD
Databases: PostgreSQL, MySQL, MongoDB, Redis
Clients Usually Reach Out When
• They need an RWA or tokenization platform built correctly from the start
• A blockchain product needs experienced technical leadership
• Smart contracts require implementation or integration
• Existing systems need blockchain functionality
• Development has slowed down and technical direction is unclear
• An MVP needs to become a production-ready product
• They need someone who can take ownership rather than simply complete tasks
If you're building something in blockchain, tokenization, Web3, or adjacent technologies and need someone who can contribute beyond implementation, I'd be happy to discuss it.
Associated with
Immanent Solutions
$30K+
earned