
Käynnissä
Julkaistu
Maksettu toimituksen yhteydessä
SCOPE AND ARCHITECTURE ADHERENCE The published technical requirements and stack (Python, PostgreSQL as source of truth, Redis for locking, Binance integration, Docker deployment) are the priority baseline for this project. If you propose architectural changes (e.g., different database, alternative execution model, third-party services, or different infrastructure), you must provide clear technical justification explaining: • Why the change improves robustness or reliability • How it preserves deterministic state and idempotency • What trade-offs are introduced • Why it is superior to the baseline stack "Unjustified stack substitutions or generic alternatives will not be considered" OPTION A – Hybrid (Binance + 3Commas) Senior Python Engineer – Advanced Crypto Trading Engine (Binance + 3Commas Hybrid) DESCRIPTION I am looking for a senior backend engineer to design and implement a production-grade multi-tier crypto trading engine. The system will integrate directly with Binance API and optionally use 3Commas as the execution layer (signal bots). This system will manage real capital and must be fully autonomous once deployed. Autonomous Requirements: • No manual trade confirmations • Automatic recovery after crashes • Automatic reconciliation after downtime • Deterministic state persistence Core Functional Requirements: • Multi-tier capital allocation engine • Global anti-overfill protection across tiers • Strict exposure control per asset • Idempotent trade execution safeguards • Partial fill handling • Cooldown logic between tier activations • Reinvestment logic after profit cycles • Protection against race conditions • Protection against API latency and retries Technical Requirements: • Python backend (FastAPI preferred) • PostgreSQL as source of truth • Redis (or equivalent) for locking • Binance REST + Websocket integration • Optional 3Commas execution via signal bots • Dockerized deployment • Structured logging System must implement safeguards ensuring: • No duplicate execution • No tier over-allocation • No exposure drift after restart • Consistent synchronization with exchange state Deliverables: • Git repository • Docker compose setup • DB schema documentation • Test suite (duplicate prevention, anti-overfill, restart recovery) • Operational runbook Timeline: 4 weeks or less Milestone-based payments only Before bidding, please answer: Have you built production crypto trading systems before? How would you implement global anti-overfill protection? How would you handle reconciliation after downtime? Would you execute directly via Binance or via 3Commas? Why? OPTION B – Pure Binance Engine (No 3Commas) Senior Python Engineer – Production-Grade Binance Trading Engine DESCRIPTION I am looking for a senior backend engineer to build a deterministic, production-grade multi-tier trading engine integrating directly with Binance API (Spot and/or Futures). No third-party execution layers. This system will manage real capital and must operate fully autonomously. Autonomous Requirements: • No manual confirmations • Automatic crash recovery • Automatic reconciliation after downtime • Deterministic state tracking Core Functional Requirements: • Multi-tier capital allocation logic • Global anti-overfill safeguards • Strict exposure governance • Idempotent execution controls • Partial fill handling with dynamic recalculation • Cooldown enforcement • Profit reinvestment logic • Concurrency protection • Retry & backoff logic for API errors Technical Stack: • Python (FastAPI preferred) • PostgreSQL (source of truth) • Redis (locking & concurrency control) • Binance REST + Websocket integration • Dockerized deployment • Structured logging & monitoring System must implement safeguards ensuring: • No duplicate trades • No tier capital over-allocation • No exposure drift after restart • Full exchange reconciliation before resuming trading Deliverables: • Clean Git repo • Docker compose • DB schema documentation • Test suite (duplicate prevention, anti-overfill, restart recovery) • Operational runbook Timeline: 4 weeks or less Milestone-based payments only Before bidding, please answer: Have you built Binance trading systems before? How do you implement idempotent order execution? How do you handle reconciliation after downtime? How do you protect against race conditions?
Projektin tunnus (ID): 40231020
88 ehdotukset
Etäprojekti
Aktiivinen 20 päivää sitten
Aseta budjettisi ja aikataulu
Saa maksu työstäsi
Kuvaile ehdotustasi
Rekisteröinti ja töihin tarjoaminen on ilmaista

Hello, Yes, I’ve built production crypto trading systems on Binance (spot & futures) using Python + Flask + Redis, with deterministic state tracking and restart-safe execution. Idempotent execution: Every order request gets a deterministic clientOrderId derived from tier_id + cycle_id + nonce. Before submitting, the engine checks PostgreSQL (source of truth) for an existing execution record. All order state transitions are persisted in a transactional boundary. On retry, the engine queries Binance by clientOrderId to guarantee no duplicate placement. Global anti-overfill: Capital allocation is locked per asset using Redis distributed locks. Exposure is computed from DB-confirmed fills + live exchange snapshot. New tier activation is rejected if projected exposure exceeds hard caps. All tier transitions are atomic DB transactions. Reconciliation after downtime: On startup: 1. Pull open orders + positions from Binance 2. Compare against DB state 3. Repair drift (missing fills, canceled orders, partials) 4. Rebuild exposure and tier status Only then trading resumes. Race condition protection: • Redis locks per symbol • DB-level constraints • Idempotent execution layer • WebSocket-driven state updates with REST fallback I recommend pure Binance execution for deterministic control and reduced external failure surfaces. Happy to outline architecture diagram + milestone plan next.
$1 500 USD 20 päivässä
3,9
3,9
88 freelancerit tarjoavat keskimäärin $2 161 USD tätä projektia

Hello, I understand you need a production-grade, autonomous trading engine that can run with Binance directly and optionally via 3Commas, with strict controls, robust recovery, and fully auditable state. My plan is to build a modular Python backend (FastAPI) with a PostgreSQL truth layer, Redis-based locking, and Dockerized deployment. The architecture will separate capital tiers, enforce global anti-overfill, protect against race conditions, handle partial fills, and provide deterministic state persistence with comprehensive tests and an operations runbook. The system will recover from crashes, reconcile after downtime, and resume with consistent exchange state. What is your preferred deployment environment and log retention policy for the production system? Best regards,
$3 000 USD 20 päivässä
9,2
9,2

Hello, As a seasoned Python Engineer with a profound understanding of algorithm design and software architecture, I've had extensive experience building complex cryptocurrency trading systems that flawlessly integrate with the Binance API. For your project, I can effortlessly create a production-grade autonomous trading engine tailored to your specific technical requirements and stack. From FastAPI for the backend, PostgreSQL as the source of truth, to Redis for locking -- I'm well-equipped with these technologies and can assure solid implementation. To illustrate my expertise: I've developed trade execution engines that manage large amounts of capital autonomously, with comprehensive safeguards for avoiding any duplicate trades or exposure drifts. Furthermore, I have hands-on experience in building features like tier-based capital allocation logic (with anti-overfill protocols), idempotent execution controls, dynamic partial fill handling, and technological contingency measures after crashes or downtimes -- all of which are necessitated in your project description. In terms of project management and effective communication, I pride myself on maintaining transparency throughout the development process. You can expect not only timely milestones but also Git repository access, Docker-compose setup, DB schema documentation, an operational runbook, and a comprehensive test suite ensuring all agreed-upon functionalities are unquestionab Thanks!
$3 000 USD 1 päivässä
8,4
8,4

⭐⭐⭐⭐⭐ Build a Reliable Multi-Tier Crypto Trading Engine with Python ❇️ Hi My Friend, I hope you are doing well. I've reviewed your project requirements and see you're looking for a senior backend engineer for a crypto trading engine. You don’t need to look any further; Zohaib is here to help you! My team has successfully completed over 50 similar projects for crypto trading systems. I will create a robust and autonomous trading engine using Python and the specified tech stack while ensuring all safeguards are in place. ➡️ Why Me? I can easily build your multi-tier crypto trading engine as I have 5 years of experience in Python development, API integration, and database management. My expertise includes Docker deployment, Redis for locking, and structured logging. Additionally, I have a strong grip on PostgreSQL and Binance API integration, ensuring a reliable system. ➡️ Let's have a quick chat to discuss your project in detail and let me show you samples of my previous work. Looking forward to discussing this with you in chat. ➡️ Skills & Experience: ✅ Python (FastAPI) ✅ PostgreSQL ✅ Redis ✅ Binance API Integration ✅ Docker Deployment ✅ Structured Logging ✅ Multi-Tier Systems ✅ Autonomous Trading ✅ Error Handling ✅ API Latency Management ✅ Test Suite Development ✅ Operational Runbook Creation Waiting for your response! Best Regards, Zohaib
$1 800 USD 2 päivässä
8,0
8,0

⭐⭐⭐⭐⭐ Dear Valuable Client, CnELIndia, together with Raman Ladhani, can deliver your project with strict adherence to the outlined technical stack (Python, PostgreSQL, Redis, Binance integration, Docker). Leveraging Raman’s extensive experience in production-grade crypto trading engines, we ensure deterministic state persistence, idempotent execution, and autonomous recovery after crashes. We will implement global anti-overfill protection via Redis-based locking and multi-tier capital checks, handle reconciliation after downtime with transactional replay against PostgreSQL, and execute trades directly via Binance to minimize dependency layers while retaining optional 3Commas integration if signal automation is needed. CnELIndia will manage Dockerized deployment, structured logging, test suites for duplicate prevention, anti-overfill, and restart recovery, and provide full operational runbooks. We follow milestone-based delivery to ensure quality within your 4-week timeline. We have built multiple live Binance trading systems with deterministic, fully autonomous execution.
$2 250 USD 7 päivässä
7,6
7,6

I am a seasoned Python engineer with extensive experience in building production-grade trading engines, specifically in the realm of cryptocurrency. I understand your need for a robust and autonomous system that integrates with the Binance API, whether with or without 3Commas. With a track record of delivering successful projects in the FinTech sector, I have the expertise to meet your requirements efficiently. I have built similar systems in the past, ensuring no manual interventions, automatic recovery post-crashes, and strict exposure controls. My technical proficiency in Python (preferably FastAPI), PostgreSQL, Redis, and Docker will ensure a seamless development process. I have a solid understanding of safeguarding against duplicate trades, overfill protection, and exposure drift, critical for the success of your trading engine. Let's collaborate to bring your vision to life seamlessly. Feel free to reach out to discuss further details and kick-start this exciting project together.
$2 400 USD 30 päivässä
7,4
7,4

Hi, we can help you with your Binance Trading Engine (Hybrid or Pure). We offer lifetime bug fix guarantee. As Milvetti, we help traders automate their strategies. Price is an estimate and may vary by scope.
$2 400 USD 2 päivässä
6,7
6,7

Hi there, I am excited about the opportunity to design and implement a production-grade, multi-tier crypto trading engine with a solid understanding of both the Binance API and 3Commas integration if required. With extensive experience in Python backend development and a focus on creating autonomous systems, I’ve successfully handled projects involving real capital and critical uptime requirements. My track record includes building scalable architectures that ensure compliance with strict financial standards, earning 5-star reviews on this platform. I comprehend the nuances of autonomous trading requirements and can efficiently implement safeguard measures for no manual confirmations, automatic crash recovery, and precise exposure governance. I am well-versed in deploying Dockerized applications and possess a deep understanding of anti-overfill safeguards and reconciliation mechanisms. I would love to discuss this project further and ensure we achieve your goals within the 4-week timeline. Can you specify any specific metrics or KPIs you would like to track for the trading performance? Thanks,
$2 750 USD 3 päivässä
6,3
6,3

Hello, I understand that you are looking for a senior Python engineer to build a production-grade, fully autonomous crypto trading engine integrating directly with Binance API, with optional 3Commas execution. My approach will include implementing deterministic multi-tier capital allocation, strict exposure controls, idempotent trade execution, partial fill handling, and cooldown/reinvestment logic. The system will leverage PostgreSQL as the source of truth, Redis for concurrency control, and FastAPI for backend services, with Dockerized deployment and structured logging. I will also implement robust safeguards for duplicate prevention, overfill protection, crash recovery, and reconciliation after downtime. I have extensive experience developing production crypto trading systems with real capital, ensuring high reliability, concurrency safety, and seamless exchange synchronization. My goal is to deliver a thoroughly tested, fully autonomous engine with full operational documentation, enabling safe, scalable, and resilient trading. Thanks, Asif
$3 000 USD 15 päivässä
6,5
6,5

Hi I can design and implement a deterministic, production-grade crypto trading engine using Python, PostgreSQL as the source of truth, Redis for locking, and fully compliant Binance REST/WebSocket integrations. The core technical challenge is guaranteeing idempotent execution, global anti-overfill protection, and full state reconciliation after downtime while operating under real-capital constraints. I will architect strict tier allocation logic, exposure governance, atomic locking, and structured logging so the engine behaves consistently even under API latency, retries, and partial fills. Deterministic state tracking will rely on PostgreSQL-anchored snapshots plus Redis-based concurrency controls to prevent race conditions and duplicate trades. Cooldown logic, reinvestment cycles, and restart-safe execution paths will form a reliable multi-tier system that maintains exposure boundaries across all scenarios. I have built low-latency trading systems and understand autonomous recovery, reconciliation workflows, and exchange-state synchronization at scale. The result will be a Dockerized, test-covered engine ready for production use. Thanks, Hercules
$3 000 USD 15 päivässä
6,5
6,5

Having honed my craft as a proficient and versatile software engineer, I am no stranger to the complexity of the autonomous trading system you seek. Although my expertise has historically leaned more towards firmware and C/C++ programming, I have extensive experience with Python – trusted for its reliable, scalable performance. Prior projects I've handled include creating sophisticates algorithmic trading solutions that integrated with Binance and implemented idempotent order execution – a skill set that feels directly transferable. The nature of your project necessitates a freelancer comfortable working under tight timelines without compromising on quality deliverables. My Master's degree in Embedded Systems and years spent in the field has conditioned me well for this kind of environment. An example of my efficacy would be my ability to implement reconciliation strategies after downtime or crashes to ensure deterministic state tracking. Drawing from my deep understanding of circuit design, I hold a meticulous approach that safeguards against race conditions, overfilling, exposure drifts, while bolstering performance even in the face of API latency.
$3 000 USD 90 päivässä
6,2
6,2

Hi there, I'm offering a 25% discount on this project. With expertise in algorithmic trading, production systems architecture, and Binance API integration, I will build a production‑grade autonomous crypto trading engine—delivering a robust, secure, and high‑performance system capable of executing sophisticated trading strategies 24/7. I'll start by understanding your trading strategy, risk parameters, and performance goals. Using Python or Node.js with enterprise‑grade architecture, I will develop a complete trading engine featuring real‑time market data streaming via WebSocket, multi‑exchange support starting with Binance (spot and futures), configurable trading strategies with backtesting capabilities, risk management modules with position sizing, stop‑losses, and drawdown limits, redundant order execution and failover mechanisms, comprehensive logging and audit trails, performance monitoring and alerting, and a web dashboard for strategy configuration and performance tracking. You'll receive a fully tested, production‑ready autonomous trading engine deployed on your infrastructure, along with documentation for strategy configuration, monitoring, and maintenance. Let's build a trading engine that executes with precision while you sleep. Best regards, Sohail
$1 500 USD 1 päivässä
6,1
6,1

Hi there, I am excited about the opportunity to design and implement a production-grade autonomous crypto trading engine using the Binance API and 3Commas. With extensive experience in building robust financial systems, I understand the critical importance of ensuring reliability and seamless operation in managing real capital. My background as a senior Python engineer includes creating multi-tier trading engines with advanced functionalities like global anti-overfill protection and idempotent trade execution safeguards. I will leverage FastAPI, PostgreSQL, and Redis to create a resilient architecture that addresses all autonomous requirements, such as crash recovery and state persistence. I plan to deliver a fully functional Git repository along with a Dockerized setup and comprehensive documentation within your timeline of 28 days. Thanks,
$3 000 USD 28 päivässä
5,3
5,3

⭐Hi, I’m ready to assist you right away!⭐ I believe I’d be a great fit for your project since my experience aligns perfectly with your requirements. With a proven track record in developing autonomous crypto trading engines, I am equipped to design and implement a sophisticated multi-tier trading system that integrates seamlessly with the Binance API and ensures autonomous operations once deployed. I have successfully built production crypto trading systems, enabling me to implement global anti-overfill protection efficiently and handle reconciliation after downtime seamlessly. My technical expertise in Python backend development, PostgreSQL, Redis, Binance API integration, and Docker deployment uniquely qualifies me to deliver a secure and efficient trading engine. This project aims to solve critical needs in automating crypto trading processes, including safeguarding against race conditions, minimizing exposure drift, and maintaining consistent synchronization with the exchange state. I am excited about the opportunity to contribute to this innovative project and deliver exceptional results. If you have any questions, would like to discuss the project in more detail, or would like to know how I can help, we can schedule a meeting. Thank you. Maxim
$1 500 USD 5 päivässä
5,5
5,5

Hi there, Good morning I am Talha. I have read you project details i saw you need help with Binance, Docker, Python, Trading, Algorithm, Redis, Software Architecture, FastAPI, API and PostgreSQL I am excited to submit my proposal for your project, which focuses on a comprehensive project plan. To begin, we will thoroughly understand your project's objectives and requirements, ensuring alignment on scope and goals. We will provide a clear and realistic project timeline with manageable milestones to ensure timely completion Please note that the initial bid is an estimate, and the final quote will be provided after a thorough discussion of the project requirements or upon reviewing any detailed documentation you can share. Could you please share any available detailed documentation? I'm also open to further discussions to explore specific aspects of the project. Thanks Regards. Talha Ramzan
$1 500 USD 14 päivässä
5,4
5,4

⏱ Timeline: 28 days | Cost:$2,400 | Proven experience I’ve successfully completed similar projects, specifically production-grade crypto trading engines with Python, PostgreSQL, Redis, and Binance integration, and can provide relevant examples of my work. I’m confident I can deliver a fully autonomous, deterministic trading system within 28 days. Based on my past experience, the real challenge is ensuring global anti-overfill and idempotent execution under API latency and partial fills. In live trading systems, race conditions or incomplete state persistence can cause asset over-allocation or inconsistent exposure. On a previous Binance engine project, implementing Redis locks combined with deterministic database state and transactional execution prevented duplicate trades and ensured reliable reconciliation after downtime. To proceed, I would need confirmation on whether you prefer Option A (Binance + 3Commas) or Option B (pure Binance), access to Binance API keys (testnet initially), and clarification on multi-tier capital rules and cooldown parameters. This ensures correct architectural alignment from the start. This is a straightforward project for me, and I’m confident in delivering a robust, fully tested, and production-ready Binance trading engine. I’m ready to collaborate and start immediately — let’s make this happen.
$2 400 USD 28 päivässä
5,1
5,1

You are not looking for a coder. You are looking for someone who can build this properly. That is exactly why your project stood out. Your intent to develop a deterministic, multi-tier crypto trading engine rooted in Python, PostgreSQL, Redis, and direct Binance integration reflects a commitment to precision and reliability that aligns perfectly with how we engineer resilient systems at DigitaSyndicate. At DigitaSyndicate, a UK-based digital systems agency, we build precision-engineered automation, modern web platforms, and AI-driven systems designed for scalable, reliable performance and long-term stability. Our development approach emphasizes preserving deterministic state, idempotent execution, and safeguarding against race conditions to ensure seamless crash recovery and strict exposure governance tailored to your architecture. Having delivered a production-grade Binance trading platform incorporating robust idempotency layers and comprehensive downtime reconciliation within tight timelines, I invite you to share your priorities and timeline to tailor an optimal execution plan. Casper M. Project Lead | DigitaSyndicate Precision-Built Digital Systems.
$2 250 USD 14 päivässä
5,3
5,3

The main risk in an autonomous trading engine is state corruption after crashes or partial fills, so I build around deterministic state first and execution second. PostgreSQL is the source of truth, Redis handles locks, and all trades use clientOrderIds for idempotent execution. On restart, the engine reconciles open orders and balances before trading resumes. Global anti-overfill uses transactional capital allocation and tier reservations. Exposure per asset considers pending and filled orders. Race conditions are avoided via Redis locks and DB constraints. API retries use exponential backoff with structured logging for traceability. I prefer executing directly via Binance for full control. Partial fills, cooldowns, reinvestment, and profit logic are automated. Deliverables include Dockerized deployment, test suite, DB schema docs, and an operational runbook. Focus is full reliability, safety, and production readiness.
$1 500 USD 7 päivässä
5,0
5,0

hi, i have reviewed the details of your project. we have extensive experience building secure and reliable crypto trading systems similar to your requirements. we develop the backend using python, primarily with fastapi, and ensure the system is fully autonomous with features like crash recovery, reconciliation, and safeguards against over-trading. i will set up the database with postgresql, use redis for locking, and integrate directly with binance api for real-time trading. let's have a detailed discussion, as it will help me give you a complete plan, including a timeline and estimated budget. i will share my portfolio in the chat. looking forward to your reply. best regards, mughiraa
$2 250 USD 7 päivässä
4,8
4,8

Hello, there! I’m Ian Brown, a senior Python engineer experienced in building deterministic, restart-safe trading systems. I will adhere strictly to your baseline stack: FastAPI, PostgreSQL as source of truth, Redis for locking, direct Binance REST/WebSocket integration, Docker deployment, and structured logging. No unjustified substitutions. I have built production trading engines handling idempotent execution, partial fills, and crash recovery. Idempotency is enforced via unique client order IDs persisted in Postgres before execution. Every order intent, fill, and position delta is stored transactionally, making the database the single authoritative state. Redis is used only for scoped locking to prevent race conditions. Global anti-overfill is handled through atomic capital reservation within a Postgres transaction guarded by Redis locks per asset and portfolio scope. Orders cannot be placed unless exposure is reserved and validated against tier constraints. On restart, the engine performs mandatory reconciliation by pulling open orders, trades, and positions from Binance, replaying differences into Postgres before resuming trading. I recommend pure Binance execution for maximum determinism and fewer failure surfaces. Best regards, Ian Brown
$2 000 USD 10 päivässä
4,6
4,6

Hello, I have a deep understanding of your requirements for a production-grade autonomous crypto trading engine integrated with Binance API. My approach involves designing and implementing a multi-tier trading engine with features like automatic recovery, reconciliation, and strict exposure control. Leveraging my expertise in Python, Docker, PostgreSQL, Redis, and past experience in building similar systems, I am confident in delivering a robust solution that aligns with your project goals. Effective communication and collaboration will be key throughout the project to ensure its success. Best regards, Justin
$2 500 USD 7 päivässä
3,5
3,5

Argentina, Argentina
Maksutapa vahvistettu
Liittynyt helmik. 14, 2026
$3000-5000 USD
$30-250 USD
$20-30 USD
₹1500-12500 INR
₹75000-150000 INR
$25-50 USD/ tunnissa
₹600-1500 INR
$30-250 USD
$750-1500 USD
₹75000-150000 INR
$750-1500 USD
$250-750 USD
$1500-3000 USD
₹1500-12500 INR
$15-25 USD/ tunnissa
$30-250 USD
$15-25 USD/ tunnissa
$1500-3000 USD
$25-50 USD/ tunnissa
£750-1500 GBP