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Back End Developer

Back End Developer

SecNinjaz Technologies LLPNew Delhi, Delhi, India
7 hours ago
Job description

Back end Engineer (Golang)

About the Role

We are looking for a skilled Back end Engineer with expertise in Go lang to help build next-generation decentralized communication systems . You will work on peer-to-peer networks, secure messaging, cryptographic protocols, and blockchain integrations within a privacy-focused environment.

This is a full-time, on-site position . Candidates passionate about security, networking, and decentralization will thrive here.

Key Responsibilities

  • Design and implement back end systems for decentralized communication and data transfer .
  • Develop and optimize P2P protocols and secure messaging layers.
  • Build secure relay nodes and offline messaging support systems .
  • Integrate advanced cryptography .
  • Support self-hosted deployments with Docker and Kubernetes .
  • Collaborate with AI engineers and participate in code reviews and security audits .

Tech Stack You’ll Work With

  • Languages : Golang (strong expertise), Rust (optional)
  • Networking : libp2p, QUIC, Onion Routing (Tor / I2P concepts)
  • Cryptography : libsodium, liboqs (PQC : Kyber, Dilithium, Falcon)
  • Blockchain : Decentralized Identity (DID) integrations, smart contracts (optional)
  • DevOps : Docker, Kubernetes, Terraform
  • Monitoring : Prometheus, Grafana

    • Requirements

  • Strong backend development skills, with solid expertise in Golang (Rust is a plus).
  • Good understanding of P2P networking , distributed systems , and encryption .
  • Practical experience with Docker , Kubernetes , and self-hosted environments .
  • Passion for decentralized technologies , network security , and privacy
  • Willingness to work on-site full-time.

    • Bonus Points

  • Experience in Mixnet overlays or anonymous routing systems.
  • Exposure to blockchain integration for decentralized identity or staking systems.
  • Contributions to open-source privacy / security projects.

    • What We Offer

  • Work on impactful and privacy-first decentralized technologies.
  • Opportunity to collaborate closely with an expert team on-site.
  • Professional growth in the domains of security , networking , and blockchain technologies.
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