Senior Full Stack Developer

2 days ago

Raanana Center District, Israel The5ers Full time $70,000 - $120,000 per year

The5ers
is a fast-growing tech company building smart, data-driven platforms for a global community of traders. Through our leading brands – The5ers and Trade The Pool – we create innovative solutions that help traders grow, improve, and connect.

We're on a mission to shape the future of trading by combining advanced technologies, user-focused tools, and a unique funding model that empowers talented individuals to reach their potential — all while serving one of the world's largest and most engaged trading communities.

We're looking for a
Senior Full-stack Developer
to take ownership of complex, scalable systems and lead critical parts of our product infrastructure.

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Responsibilities:

  • Lead the design, development, and maintenance of complex web applications and services
  • Build scalable, reliable, and secure solutions using modern technologies (React, , etc.)
  • Translate product requirements and business needs into well-architected technical solutions
  • Collaborate closely with product managers, designers, and engineers across the company
  • Review code, mentor teammates, and promote engineering best practices
  • Help shape the technical roadmap and contribute to architectural decisions
  • Ensure high standards of code quality, performance, and maintainability
  • Stay up to date with new technologies and advocate for tools that drive productivity and scalability

Requirements:

  • 6+ years of experience in full-stack development
  • 4+ years of hands-on experience with React, including component architecture and state management
  • Strong backend development skills, preferably with and microservice-based architecture
  • Solid experience with relational and NoSQL databases (PostgreSQL, MongoDB, etc.)
  • Deep understanding of software engineering principles and system design
  • Experience with CI/CD pipelines and Git-based workflows
  • Strong communication skills in English (written and spoken)
  • Ability to work independently, mentor others, and thrive in a fast-paced environment

Advantages

  • Experience with NestJS or other structured backend frameworks
  • Familiarity with (SSR, SEO optimization)
  • Cloud experience (AWS, GCP, or Azure), including serverless or container-based architecture
  • Background working with monorepo environments
  • Knowledge of Pub/Sub solutions (Redis, RabbitMQ, Kafka) and event-driven architecture

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Why Join Us?

  • Be part of a profitable, fast-growing company shaping the future of trading
  • Join a global team where your ideas drive real product impact
  • Work in a culture that values openness, initiative, and collaboration
  • Enjoy a healthy work-life balance in a focused, supportive, and non-corporate environment
  • Grow in a company that gives you room to lead, evolve, and leave a meaningful mark

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