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$15/hr
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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
.
$40/hr
100%
Job Success
$100K+ earned
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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
Kenya
$50/hr
100%
Job Success
$100K+ earned
Start of list.
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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.
$50/hr
$8K+ 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
.
$45/hr
$90 earned
Available now
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I am an AI-enabled Full Stack Engineer specializing in backend architecture, scalable APIs, and production infrastructure for business-critical systems.
I design and deliver robust backend platforms with a focus on reliability, security, performance, and maintainability. My core work includes REST, GraphQL, and gRPC API design, asynchronous service architecture, data modeling, and high-throughput processing. I work across Rust, Python, and TypeScript stacks, with strong experience in PostgreSQL, Redis, Docker, cloud deployment, and observability.
For enterprise environments, I prioritize clear service boundaries, stable API contracts, disciplined CI/CD, and operational transparency. I build systems with auditability, failure handling, and long-term extensibility in mind, so teams can scale confidently without accumulating hidden technical risk.
I implement AI capabilities where they create measurable value, including LLM integrations, retrieval pipelines, and agent-assisted workflows, while enforcing practical controls for quality, traceability, and predictable behavior in production.
I communicate clearly with technical and non-technical stakeholders, collaborate effectively across teams, and take ownership from architecture through deployment and post-launch optimization. If you need an engineer who combines backend rigor with pragmatic AI delivery, I am ready to help.
Libni M.
has worked
.
Ukraine
$30/hr
100%
Job Success
$20K+ earned
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Hello, I'm Yuliia, a proficient Rust developer with extensive skills. I have experience in developing and maintaining robust backend projects.
I worked on the application for organizing network cables within the city, aligning AI algorithms with geographic data to identify the most optimal path for network cables.
I implemented a time series data visualization application utilizing the Iced and Plotters Rust libraries which allowed live interaction with the plots.
Additionally I have experience in reimplementing Python applications in Rust, improving performance and reliability.
I am committed to continuous learning, staying updated on the latest industry trends and technologies, and actively seeking opportunities to improve processes and systems for optimal performance. I used such technologies in my projects:
- Rust
- JavaScript
- Leptos
- Tauri
- WebAssembly (WASM)
- Actix Web (Axum)
- Postgres
- GraphQL
- RabbitMQ
- Docker
- Optimization Algorithm Development
Also I am adept in:
- Git
- Linux
- API development
With my professional approach and commitment to continuous improvement, I am prepared to contribute to your project, ensuring its optimal performance and quality.
Yuliia P.
has worked
.
Associated with
Out of the Box Systems
$45/hr
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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.
━━━━━━━━━━━━━━━━━━
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
━━━━━━━━━━━━━━━━━━
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
━━━━━━━━━━━━━━━━━━
RECENT EXPERIENCE
━━━━━━━━━━━━━━━━━━
• 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
Offers consultations
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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
$95/hr
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
.
$25/hr
100%
Job Success
$20K+ earned
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I am a seasoned Backend Engineer renowned for crafting well-structured, maintainable, and high-performance code. My primary domain of expertise lies in Go, though I possess a wealth of experience across various programming languages, including Rust, Python, and Node.js. I specialize in the development of microservices and excel in leveraging cutting-edge technologies for their seamless deployment.
My professional repertoire encompasses a wide array of skills:
* Backend Frameworks: I have demonstrated proficiency in Go and Rust, along with expertise in Solidity, and Flask.
* API Proficiency: I am well-versed in building APIs, be it REST, gRPC, or WebSocket, ensuring seamless communication between software components.
* Database Mastery: My expertise extends to working with databases such as MySQL, MongoDB, DynamoDB, and Datastore, facilitating efficient data management.
* Messaging Expertise: I have hands-on experience with messaging systems like SQS, SNS, Pub/Sub, Nats, and Kafka, enabling real-time data exchange and event-driven architectures.
* Test-Driven Development: I employ best practices in Test-Driven Development (TDD) to ensure the robustness and reliability of code.
* Hosting Solutions: My proficiency in cloud platforms such as AWS, GCP, and Azure allows for the seamless deployment and scalability of your projects.
Additionally, I am well-versed in orchestration and containerization technologies, including Helm, Kubernetes, and Docker, which enables me to manage your projects comprehensively, from development through to deployment.
My unwavering commitment revolves around delivering top-notch, quality-driven solutions to my clients, with a strong emphasis on cultivating enduring, long-term business relationships.