Middle/Senior Fullstack Developer (Javascript)

We are Quadcode, a fintech company excelling in financial brokerage activities and delivering advanced financial products to our global clientele. Our flagship product, an internal trading platform, is offered as a Software-as-a-Service (SaaS) solution to other brokers. We are growing and looking for a Full-stack Developer (Node.js + React) to join our Customer Relations team, which is responsible for developing an internal CRM system used by our Sales and Support teams. We're building tools that help our teams communicate with clients through telephony, chats, an admin panel, and a clear ticket system. The team includes 2 full-stack developers, 2 manual QA engineers, and a team lead. We follow the Scrum framework with 2-week sprints, daily stand-ups at 11:00 AM (GMT+3), retrospectives, and grooming sessions. You'll have the opportunity to work with three large-scale product projects and seven microservices, including integrations built on AI and VoIP telephony (FreeSWITCH). Tech stack: Backend: Node.js, Nest.js, Express, Golang Frontend: React, Mobx, Redux DB: PostgreSQL CI/CD: gitlab, Docker, Kubernetes, * Collaborate with team members to design, develop, test, and maintain scalable backend and frontend services within a microservices architecture

• Write clean, efficient, and maintainable code using Node.js, TypeScript, and React.js
• Troubleshoot and debug issues across the stack, and upgrade existing systems to improve performance and reliability
• Participate in code reviews and contribute to architectural and technical decisions.
• Work closely with product managers, designers, and QA engineers to deliver high-quality software.

Do you have experience in VoIP?, * At least 2 years of experience in backend development (Node.js)

• Experience in frontend development (React, Vue, Angular, JS, TypeScript)
• Solid knowledge of Node.js (with Express, Nest.js, or Next.js)
• Experience building and integrating RESTful APIs, working with WebSockets (e.g., socket.io), and using relational databases (especially PostgreSQL)
• Understanding of asynchronous programming, event-driven architecture, and microservices
• Familiarity with development best practices: testing, CI/CD, code quality, and version control (Git)
• Knowledge of software design patterns and clean code principles
• Fluency in Russian (C1+) and English (B1), * Experience in Forex or iGaming
• Knowledge of Golang
• Experience developing CRM systems, admin panels, and telephony

• Full-time remote work or hybrid model
• 20 days off per year
• Competitive remuneration
• Flexible working hours
• A friendly, enjoyable, and positive work environment

With a team of 500+ creative and tech-driven people across the globe, Quadcode is the place where ideas turn into impact, where every project is a chance to grow, innovate, and make your mark.