Builders x Devs

✍️ Senior LLM Engineer (SWE Agent Development) $8,000–$15,000 #ML #LLM #NLP #RL #HuggingFace #Remote Company: High Sky — a fast-moving AI startup building competitive, production-grade solutions in text, audio, video generation, data enrichment, and predictive analytics. The team runs the full cycle: from problem analysis to deploying real-world AI systems. ✦ Job Description: We’re hiring a Senior LLM Engineer to develop an agent capable of solving SWE tasks. You’ll work on training la...

✍️ ML / LLM Engineer (NLP / AI) Salary: $3,500–$4,500 #ML #LLM #NLP #AI #Python #Remote Company: Web Design Sun (Spain). Project: Text AI Humanizer for the North American market — an AI product focused on advanced text transformation and human-like language generation. ✦ Job Description: The company is looking for an ML/LLM Engineer to take ownership of LLM fine-tuning and deployment. You’ll work across the full ML lifecycle — from datasets and training to production inference and moni...

✍️ Full Stack QA Engineer (Java) Salary: up to $5,800 #QA #Java #AutomationTesting #Blockchain #Crypto #Remote Company: Task Agency — an international team working with specialists worldwide (excluding Russia, Belarus, India, Pakistan, and Africa). ✦ Job Description: We’re looking for a Full Stack QA Engineer with strong Java experience to work on web and API testing in blockchain-related products. The role combines manual and automated testing and involves close collaboration with develope...

HIRING NOW: 🔴 Middle+ React Native Developer (E-commerce) $6,000+ net #ReactNative #TypeScript #Ecommerce #Mobile #Stripe #Remote A scalable e-commerce product focused on speed, stability, and high-quality user experience for iOS and Android platforms. ✦ Job Description: We are looking for a Middle+ developer to build core features and optimize application performance. You will be responsible for the full cycle of mobile development, from payment integrations to offline mode support. Key R...

✍️ Senior Backend Engineer (Node.js / TypeScript / Web3) $4,500–$7,500 net #Backend #NodeJS #TypeScript #Web3 #Blockchain #Solana deBridge — a Web3 infrastructure company building decentralized products and backend services for blockchain applications. The team works at the intersection of Web3 integrations and high-load distributed systems. ✦ Job Description: We’re looking for a Senior Backend Engineer to build scalable backend services powering decentralized applications. You’ll work...

HIRING NOW 🌟Team Lead (Node.js / React | Web3) $4,000+ net (negotiable) #TeamLead #FullStack #NodeJS #React #Web3 #Crypto #Highload #Remote A top-tier international Web3 aggregator of crypto exchanges. The platform integrates thousands of tokens and finds the best market rates, focusing on security, high-load performance, and a seamless user experience. ✦ Job Description: You will lead the entire dev team, bridging the gap between business goals and technical execution. Your role is to des...

✍️ Senior Backend Ruby Developer (Crypto Banking / TON Ecosystem) $4,000/month (net) + bonuses #Backend #Ruby #Crypto #TON #Blockchain #Remote Company: CryptoBank TON — a crypto banking platform built on the TON ecosystem. The project focuses on financial automation, DeFi solutions, and deep blockchain integration, building high-load systems for secure and fast crypto banking. ✦ Job Description: We’re looking for a Senior Backend Ruby Developer to build and scale the backend of a crypto ban...

✍️ Senior DevOps Engineer (High-Load / K8s) 5,500 – 6,500 EUR net #DevOps #Kubernetes #ClickHouse #Kafka #GitLab #Cyprus #Relocation TrafficStars — a global ad network processing 8bn events daily with 500+ servers and a 3.6 PB ClickHouse cluster. ✦ Job Description: Support high-load infrastructure and production teams. You will manage k8s environments, maintain CI/CD pipelines, and ensure 24/7 service stability for massive global traffic. Key Responsibilities: — Support product dev team and mana...

💙 Senior+ / Lead Python Developer $5,000+ net #Python #Lead #FastAPI #Crypto #iGaming #Remote #Highload JT Marketing — a global Crypto iGaming product. Building high-load B2C platforms with a focus on scaling and top-tier architecture. ✦ Job Description: You will lead the backend team and take ownership of technical excellence. The role combines hands-on architecture design with team management and process optimization. Key Responsibilities: — Lead the dev team and planning. — Design Pytho...

HIRING NOW ✅ Senior .NET Backend Developer (Crypto / Trading Platform) $6,000 – $8,000 net | Remote | Full-time #DotNet #Backend #CSharp #Highload #Crypto #Fintech #Trading #Remote A high-load crypto exchange / trading platform (20k+ RPS) is looking for a strong .NET Backend Developer to build low-latency, mission-critical services. ✦ Key Responsibilities: — Build high-performance microservices on C# / .NET. — Develop low-latency REST API & WebSocket services. — Ensure transaction secu...