Kendago is a global AdTech leader leveraging advanced digital optimization and creative technologies to profitably scale some of the world’s most successful DTC brands.
We are looking for a Senior Full-Stack Developer to join our growing R&D team. This role is a key addition to a small, high-impact engineering group building one of Kendago’s core technologies — a React-based funnel engine that sits at the heart of Kendago’s business activity and long-term technological vision.
This is a front-end–leaning full-stack role (approximately 70% front-end / 30% back-end), ideal for someone who thrives in an intensive, collaborative environment and enjoys building scalable, flexible systems that directly impact business performance.
Requirements:

• 8+ years of professional experience as a Full-Stack Developer
• Strong hands-on experience with React and modern front-end development
• Minimum 2 years of experience with Node.js or Python development
• Strong understanding of TypeScript and modern JavaScript
• Strong understanding of databases, data structures, and data flow across web components, with the ability to design and implement complex data processes
• Proven experience working on complex, flexible front-end systems or engines
• Strong system design, architecture, and problem-solving skills
• Experience working with AWS or similar cloud platforms
• Excellent English proficiency (spoken and written)
• Ability to work independently while maintaining close collaboration within a remote team
  

Responsibilities:

• Design, develop, and maintain scalable, high-quality web applications, with a strong focus on front-end development using React
• Take ownership of features end-to-end, from design and architecture to implementation and optimization
• Develop and maintain robust server-side services and APIs using Python
• Work closely with team members in a highly collaborative, fast-moving Agile (Kanban-based) environment
• Participate in system design discussions and contribute to architectural decisions
• Ensure code quality through testing, reviews, and performance optimization
• Take part in QA processes for internal development as well as external client funnels
• Communicate technically with internal and external stakeholders when required
• Act as a strong team player, sharing ownership, responsibility, and knowledge within a tightly connected team

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