Tech jobs
Job listings
Full Stack QA Engineer (Web)
Build and maintain automated test suites for a blockchain hardware wallet’s backend services using Python, Pytest, and Kafka, integrating tests into CI/CD pipelines.
Full-Stack QA Engineer (Manual + Automation)
Builds and runs manual and automated tests for Tangem’s blockchain wallet apps, ensuring secure, cross-platform functionality across web and mobile.
Senior Data Platform Engineer — Blockchain at Petabyte Scale
Builds scalable data infrastructure to analyze blockchain transactions and enhance financial security using Python, SQL, and distributed systems.
Senior Data Engineer, Attribution Expansion
Build and optimize AI/ML pipelines and real-time data systems for blockchain intelligence, enabling faster threat detection and insights for crypto businesses and governments.
Senior Full-Stack Engineer, Web3 Trading Platform (Remote)
Senior Full-Stack Engineer building a Web3 trading platform with Next.js, Node.js, and Solana integrations, designing scalable APIs and user-facing features in a fast-moving startup.
Senior Web3 Architect & Full-Stack Engineer
Design and build decentralized blockchain products using Solidity and zero-knowledge proofs, balancing security with real-world usability.
Senior Blockchain & Web3 Full-Stack Engineer
Build decentralized products with end-to-end ownership, focusing on blockchain architecture, Solidity, and zero-knowledge proofs for privacy-preserving on-chain systems.
Senior Full-Stack Engineer (Web3)
Build a Web3 platform for real-world event markets using Next.js, Node.js, and Solana integrations, designing scalable APIs and trading systems.
Relocate to Malta .NET Full Stack Developer
Build and maintain .NET-based full-stack applications for a global fintech company, focusing on payments and digital banking systems.
Malta-Relocation .NET Full-Stack Developer
Build and maintain .NET-based full-stack applications for a fintech company, with potential relocation to Malta.
Software Architect, Liquidity Platform
Design and build low-latency crypto trading systems, including market-making strategies, cross-venue arbitrage, and high-frequency data pipelines for OKX’s Liquidity Platform.
Software Architect, Liquidity Platform
Design and build low-latency trading systems for crypto markets, implementing market-making strategies and optimizing performance across exchanges.
Applied Data Scientist: AI Agents for Crypto Markets
Designs and builds LLM-powered AI agents for crypto trading, focusing on production-grade pipelines and evaluation frameworks.
Senior Real-Time Data Engineer: Flink & ML Features
Design and maintain real-time and batch data pipelines using Apache Flink for a crypto exchange, collaborating with AI and engineering teams to ensure system stability.
Senior/Staff Engineer, Liquidity Platform, Data Engineer (Data Platform)
Build and operate a high-throughput crypto market-data platform: ingest exchange APIs, run streaming/batch pipelines, and maintain storage backends like Iceberg, ClickHouse, and PostgreSQL to serve trading desks and analytics.
Senior Blockchain Big Data Engineer - DeFi Platform
Builds and maintains scalable blockchain data platforms for a DeFi exchange, using big-data tools like Hadoop and Hive to analyze on-chain and trading data.
Senior Data Engineer, Compliance Data Platform
Build and own end-to-end data pipelines for OKX’s global compliance systems (TMS, KYC/EDD, CMS, regulatory reporting) using Python, SQL, and orchestration tools.
Staff Data Engineer, Finance Data Platform
Staff Data Engineer builds and oversees the crypto exchange’s finance data platform, ensuring audit-ready reporting, regulatory compliance, and AI-native pipelines for trading, P&L, and consolidation across global markets.
Staff/Senior Staff Web3 Big Data Engineer
Build and own a large-scale Web3 big data platform that ingests on-chain transactions, trading behavior, and user profiles, then layer AI/ML tools for fraud detection, risk modeling, and natural-language data querying.
SENIOR DATA ENGINEER
Design and build real-time data pipelines with Apache Flink, collaborate on feature stores for ML models, and partner with AI, risk, and compliance teams to keep crypto exchange systems fast and reliable.