Sr. Full Stack Developer

2 weeks ago

Tel Aviv, Tel Aviv, Israel CytoReason Full time ₪120,000 - ₪180,000 per year

We're looking for a Senior Full Stack Developer with a strong backend focus (around 70% backend / 30% frontend) to join our growing platform engineering team. You'll serve as a technical lead, helping shape the architecture, scalability, and performance of our platform, while mentoring other developers and raising our engineering standards.

In this role, you'll work across the stack — primarily with on the backend and React on the frontend — to design, build, and optimize systems that power advanced data-driven applications. You'll collaborate closely with product and research teams to translate ideas into robust, maintainable, and performant software.

Responsibilities
  • Design and implement backend APIs using , integrating with data layers and external systems.
  • Contribute to and review frontend features in React, ensuring seamless integration with backend services.
  • Architect scalable systems and drive performance improvements across services and infrastructure.
  • Help design and shape the product, working closely with product managers, bioinformaticians, and other stakeholders to align technical decisions with product goals.
  • Mentor and support other developers through code reviews, internal discussions, clean code and technical guidance.
  • Collaborate cross-functionally with product, data, and infrastructure teams to define requirements and deliver solutions.
  • Write and maintain technical documentation and high-level designs.

The Tech You'll Work With

  • Backend: , , TypeScript
  • Frontend: React, TypeScript, Tailwind CSS
  • Data & Storage: LakeFS, PostgreSQL, BigQuery
  • Cloud: Google Cloud Platform (GCP)
  • Additional tools: Python (advantage), R (familiarity a plus, not required)
  • CI/CD & DevOps: Docker, Kubernetes
Requirements
  • 7+ years of experience as a full-stack or backend-focused developer.
  • Proficiency in / and experience with scalable API design.
  • Strong understanding of distributed systems, performance optimization, and cloud architectures.
  • Experience leading projects or mentoring engineers — you enjoy helping others grow.
  • Hands-on experience with modern frontend frameworks, preferably React.
  • Strong communication and planning skills, with the ability to provide technical input during project scoping.
  • Track record of delivering efficiently in agile teams with shifting priorities.
  • Proactive mindset — someone who can take ownership, identify problems, and propose solutions.
Advantages
  • Experience with Python or R for data-related workflows.
  • Background in data-intensive systems or bioinformatics.
  • Familiarity with multi-cloud environments (GCP + AWS).

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