A successful Cyber SaaS company is looking for a Senior Full-Stack Engineer to join a product-focused R&D team and take ownership of complex customer-facing features from architecture and design through production.
The role is primarily frontend-oriented, with approximately 70% React and 30% backend development. It is best suited for an experienced engineer who has built SaaS products from the ground up and enjoys shaping both technical direction and product quality.
Key Responsibilities
• Design and develop end-to-end features for a customer-facing SaaS platform
• Lead architecture and technical design for new product capabilities
• Build scalable, high-quality frontend applications in React
• Develop and maintain backend services and APIs
• Work with distributed systems, cloud environments, and large data flows
• Use AI-assisted development tools and help integrate AI capabilities into the product
• Collaborate closely with Product, Design, and Engineering teams
Required Experience
• 5+ years of production experience in software development
• Deep expertise in React, including Hooks and React Query
• Experience building customer-facing SaaS products, preferably B2B
• Strong architecture, system design, and greenfield development skills
• Backend experience with Node.js and Express, or another relevant language
• Experience with cloud platforms and SQL or NoSQL databases
• Familiarity with AI development tools such as Cursor, Copilot, or LLM-based workflows
• Strong ownership, independence, and problem-solving skills
Strong Advantages
• Experience with high-throughput or distributed systems
• Background in cybersecurity products
• Experience with data aggregation and complex data processing
• Familiarity with Go