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Posted 1mo ago

Middle/Senior Fullstack Developer (Javascript)

@ Quadcode
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Belarus or Armenia or Georgia or Kazakhstan or Montenegro or Poland or Serbia
RemoteFull Time
Responsibilities:designing services, developing code, troubleshooting issues
Requirements Summary:2+ years backend Node.js experience; frontend experience with React/TypeScript; RESTful APIs, WebSockets/socket.io, PostgreSQL, microservices, CI/CD (GitLab/Docker/Kubernetes), testing and code quality; fluent Russian (C1+) and conversational English (B1).
Technical Tools Mentioned:Node.js, Nest.js, Express, Next.js, Golang, React, Mobx, Redux, TypeScript, PostgreSQL, socket.io, WebSockets, Git, GitLab, Docker, Kubernetes, FreeSWITCH
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Job Description
About the Team

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


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


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


Tasks:
  • 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.


    • Requirements
  • 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)


    • Nice to have
  • Experience in Forex or iGaming
  • Knowledge of Golang
  • Experience developing CRM systems, admin panels, and telephony


    • We offer
  • 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.

    Join us today, and let's shape the future of fintech together!

    Note: All applications will be treated with strict confidence. We thank all applicants for their interest, however, only those candidates selected for interviews will be contacted.

    #LI-LR1