Back End Developer
SecNinjaz Technologies LLPNew Delhi, Delhi, IndiaBack 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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