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Unosecur

Posted 28 Aug 2026

Senior Backend Engineer

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Employment
Full time
Team
Software Engineering
Posted
28 Aug 2026

About the role

Responsibilities:

  • Backend system architecture: Lead the design, development, and optimization of scalable backend services using Node.js, MongoDB, Redis, and NoSQL systems.
  • End-to-end delivery: Own and deliver complex backend modules, ensuring high availability, fault tolerance, and cost efficiency.
  • Cloud integration: Deploy and manage infrastructure across AWS, Azure, or GCP, following security and performance best practices.
  • Security by design: Implement cybersecurity best practices, including secure API handling, encryption, and threat mitigation.
  • Cross-functional collaboration: Partner with DevSecOps, frontend engineers, and product managers to deliver robust and secure features.
  • Mentorship and code quality: Conduct code reviews, guide junior developers, and uphold high engineering standards.
  • Security advocacy: Participate in secure code reviews and threat modeling and contribute to the overall security posture of the product.


Requirements:

  • Experience: 8-12 years of strong backend development experience in product-based, fast-paced environments.
  • Technical skills: Proficient in Node.js, MongoDB, Redis, and asynchronous programming models.
  • Cloud expertise: Hands-on experience with AWS, Azure, or GCP and infrastructure best practices.
  • Cybersecurity knowledge: Deep understanding of authentication/authorization flows, OWASP top 10 secure coding, and data privacy.
  • Startup agility: Prior experience in early or growth-stage startups with a bias toward rapid development and problem-solving.
  • Tooling: Familiarity with CI/CD, microservices architecture, and Docker/Kubernetes is a big plus.
  • Soft skills: Strong ownership mindset, effective communication, and team leadership.


Nice to Have:

  • Security engineering: Experience participating in security reviews and building systems with compliance in mind.
  • Observability and performance: Familiarity with performance monitoring tools and optimization strategies.
  • DevSecOps mindset: Understanding of how engineering decisions impact the product's threat surface and operational risk.

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