Job Title: Node.js Developer (fintech) Company Name: GoMining Job Details: 5,Locations,Remote,Senior,level Job Url: https://builtin.com/job/node-js-developer-fintech/7822563 Job Description: GoMining is a global Bitcoin-powered fintech ecosystem building high-load financial products for users around the world.We are looking for an experienced Node.js Developer who will strengthen our core backend team, work with high-intensity data flows, and help scale our financial infrastructure.This role is ideal for someone with strong backend engineering experience in fintech, a deep understanding of product development, and the ability to deliver stable, secure, and scalable systems. ResponsibilitiesDevelop and maintain backend services using Node.js with a focus on performance, reliability, and security.Implement new product features and integrate financial logic into existing services.Work with high-load systems, optimize application performance, and ensure stable service operation.Collaborate with product managers, QA engineers, and other developers to deliver end-to-end functionality.Integrate third-party APIs, PSPs, internal services, and crypto-related components.Write clean, maintainable, well-tested code following best practices and internal guidelines.Participate in architecture discussions and drive technical improvements across the backend stack.Support existing microservices, troubleshoot production issues, and contribute to automation and observability.Requirements5+ years of commercial experience in backend development with Node.js.2+ years of experience in fintech, digital banking, payments, or financial infrastructure.3+ years of experience working in product companies, not agencies or purely outsourcing teams.Strong knowledge of JavaScript/TypeScript and modern Node.js ecosystem.Experience with relational and NoSQL databases (PostgreSQL, MongoDB, Redis).Understanding of distributed systems, microservice architecture, and event-driven communication.Experience with message queues (e.g., RabbitMQ, Kafka) and caching strategies.Familiarity with Docker, Kubernetes, CI/CD pipelines.Ability to work with high-load and latency-sensitive systems.Knowledge of testing frameworks (Jest, Mocha) and code quality tools.Nice to HaveExperience working with blockchain APIs, wallets, or crypto products.Knowledge of financial protocols, security best practices, or AML/KYC flows.Experience with monitoring and observability tools (Grafana, Prometheus, Sentry).Understanding of system design principles for scaling financial applications.BenefitsProfessional growth: support for courses, conferences, and English learning (up to 100% coverage). Work-life fit: remote or hybrid format with flexible hours across international teams. Paid leave: up to 28 vacation days, 15 sick days, plus local holidays. Recognition programs: structured performance reviews and team awards. Team culture: retreats in international locations (for example, company villa in Turkey, Bali).