We are hiring a Senior Backend Engineer for its Customer Focus Group (CFG) — a technical team that bridges engineering and the commercial side of the product. CFG members handle development, architecture, product, and direct customer interaction: translating customer needs into the product, building new features, and resolving pressing technical issues. The role needs a strong backend builder who can also take a holistic, product-and-customer view, with a focus on infrastructure, performance, and customer satisfaction.
Must-have skills:
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Backend architecture — microservices, API design, and design patterns (deep understanding)
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Node.js / TypeScript proficiency (or other relevant backend languages)
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SQL and NoSQL databases, with experience scaling systems for high-volume data processing
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Cloud platforms (AWS, Azure, or GCP) and their services — serverless computing, managed databases
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5+ years of backend development, with a strong focus on customer-centric products
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Proven problem-solving with a track record of performant, scalable solutions
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Agile development practices and CI/CD pipelines
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Excellent collaboration and communication with globally distributed teams
Requirements:
Nice-to-have skills:
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Security / AppSec domain familiarity (OX is a security product)
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Customer-facing / pre-sales technical experience
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Experience bridging product and engineering
