BITFIT LABS PTE LTD is hiring a

Web3 Senior DevOps Engineer

1. About BitFit Labs

We are building enterprise cryptocurrency wallet powered by advanced Multi-Party Computation (MPC) Threshold Signature Scheme (TSS). This solution provides institutional-grade security for asset custody through distributed key management technology.

Core Features:
- Signature Scheme: 2/3 threshold signature distribution
- Multi-chain Support: Bitcoin (BTC), XRP, Solana (SOL), EVM-compatible chains (Ethereum, BNB Chain, Avalanche, Arbitrum, Polygon, etc.), TRON
- Hardware Integration: Support for Ledger and Trezor hardware wallets
- Secure Key Management: TSS nodes distributed across isolated environments with HSM integration


2. Key Responsibilities

- Infrastructure & Environment Management

• Design, build, and maintain secure, compliant, and highly available production and development environments using IaC on AWS
• Set up and manage on-premise data center infrastructure with TEE (Trusted Execution Environment) capabilities for secure MPC key computation
• Deploy and maintain all critical components:
  • MPC TSS nodes across multiple chains (BTC, XRP, SOL, EVM, TRON)
  • Backend API servers for wallet operations
  • Frontend web application
  • Blockchain full nodes for supported networks

- Blockchain Infrastructure

• Configure and monitor full node synchronization for Ethereum and other supported blockchains
• Manage RPC endpoints and load balancing across multiple nodes
• Ensure high availability of blockchain connectivity with failover mechanisms
• Implement node health checks and automated recovery procedures

- CI/CD & Deployment Automation

• Design and optimize end-to-end CI/CD pipelines using GitHub Actions or GitLab CI
• Automate the entire deployment lifecycle from code commit to secure production release
• Implement blue-green deployments and canary releases for zero-downtime updates
• Provide self-service build, test, deployment, and debugging toolchains for development teams

- Monitoring & Observability

• Build and maintain comprehensive monitoring, logging, alerting, and tracing systems (Prometheus, Grafana, ELK Stack, Jaeger)
• Monitor key metrics across all layers: infrastructure, blockchain nodes, MPC computation, and application performance
• Proactively identify and resolve potential issues to maintain SLA commitments
• Set up dashboards for real-time visibility into system health and wallet operations

- Security & Compliance

• Implement strict IAM (Identity Access Control), network segmentation, and zero-trust principles
• Integrate HSM/KMS for secure key management and MPC TSS operations
• Conduct regular security scans, vulnerability assessments, and penetration testing
• Design and enforce security policies for multi-tenant MPC infrastructure
• Manage SSL/TLS certificates, Nginx reverse proxies, and firewall rules

- High Availability & Disaster Recovery

• Design and implement cross-AZ/region disaster recovery and backup plan
• Plan and execute regular disaster recovery drills
• Optimize resource utilization and infrastructure costs
• Ensure 99.9%+ uptime for critical wallet services

3. Requirements

- Experience: 5+ years of DevOps, SRE, or cloud infrastructure engineering experience with large-scale distributed systems
- Cloud Platform: Expert-level knowledge of at least one major cloud provider (AWS, GCP, or Azure) and their managed services
- Container Orchestration: Deep expertise in Docker and Kubernetes with significant production environment experience
- CI/CD Tools: Proficiency with Jenkins, GitHub Actions, or GitLab CI/CD tools
- Programming: Strong command of at least one programming or scripting language (Go, Python, Shell) for developing custom automation tools and scripts
- Linux Administration: Solid experience with Ubuntu/RedHat server administration and troubleshooting
- Networking: Strong understanding of networking concepts, firewalls, SSL/TLS, load balancing, and DNS
- Monitoring Stack: Hands-on experience with Prometheus, Grafana, or equivalent monitoring solutions
- Documentation: Excellent technical documentation and cross-team collaboration skills
- Responsibility: Strong sense of ownership and accountability for system reliability


4. Preferred Qualifications

- Blockchain Experience

• Direct experience operating Ethereum, Bitcoin, or other blockchain full nodes
• Knowledge of Web3 technologies, smart contracts, and DeFi protocols
• Understanding of MPC, cryptographic, and key management systems
• Familiarity with HSM integration and hardware security modules

- Advanced Infrastructure

• Experience with Istio, Linkerd, or other service mesh technologies
• Chaos engineering practices and fault injection testing
• Multi-cloud or hybrid cloud architecture experience
• Kubernetes expertise for post-MVP scaling scenarios

- Security Certifications

• CSP, CISSP, or equivalent security certifications

- Database

• Redis, TimescaleDB, InfluxDB for high-performance data operations

- Secrets Management

• Experience with HashiCorp Vault, AWS Secrets Manager, or similar tools