TechTree · 16 hours ago
Protocol Engineer
New York, NY
Full-time
Hybrid
Mid, Senior Level
$250K/yr - $400K/yr
4+ years expTechTree is a company that acquires and transforms legacy businesses using blockchain technology. They are seeking a Protocol Engineer to architect and implement the Inversion Chain, build core infrastructure, and ensure network reliability and scalability.
Information ServicesInformation Technology
Responsibilities
Architect and implement the Inversion Chain, a sovereign, Avalanche-based L1 optimized for consumer-scale performance, low latency, and business integration
Build core infrastructure modules, SDKs, and developer tooling that support rapid integration of real-world assets and applications across Inversion’s portfolio companies
Collaborate with external issuers or partners to integrate blue-chip DeFi applications
Support forthcoming Inversion-led products, such as mobile wallet and FinTech experience, providing frictionless UX comparable to top-tier fintech apps like Nubank or Robinhood
Contribute to validator infrastructure, tokenomics models, and interoperability frameworks that enable efficient migration of users and data from traditional systems to on-chain environments
Design, build, and optimize core consensus, networking, and execution layers of the Inversion Chain
Lead development of Inversion’s initial base contracts (e.g., collecting pre-deposits) and collaborate with external issuers or partners to integrate DeFi protocols
Serve as the technical architect; establish best practices for code quality, security, and performance
Develop, deploy, and maintain validator nodes, RPC infrastructure, and developer APIs to ensure network reliability and scalability
Partner with Product Managers and leadership to align protocol development with business objectives and user adoption strategies
Implement robust security frameworks, including cryptographic best practices, code audits, and formal verification processes
Continuously evaluate emerging blockchain protocols, consensus mechanisms, and interoperability standards to ensure Inversion stays on the cutting edge of protocol design
Qualification
Required
4–10 years experience
Must have built and shipped customer-facing products
Experience at top-tier scaled crypto or fintech companies
Must be genuinely excited by Inversion's mission
Must have crypto interest
Must be willing to work hybrid in NYC
H1B transfer welcome
Avalanche experience
EVM L1/L2s
Making a chain EVM-ready
Infra + chain operations
validators
nodes
indexers
cloud deployment
reliability
monitoring
security
Smart contract capability
Solidity
DeFi enablement
Security + authentication
wallets
accounts
middleware
pragmatic security
Systems engineering
strong systems thinking
custom infra
Fintech/payments experience
KYC/KYB
custody
settlement
distributed systems
data pipelines
production debugging
blockchain familiarity
EVM
Avalanche
Cosmos
L2s
Bridging/cross-chain infra experience
Wormhole
LayerZero
Preferred
Top-tier academic background (nice-to-have)
Benefits
Equity, 0.13–0.45%
Company
TechTree
Techtree is creating a career networking platform to help devs from across the world to get mentored.
11-50 employees
Funding
Current Stage
Early StageTotal Funding
$0.15MKey Investors
Startup Wise Guys
2021-07-01Pre Seed· $0.15M
2020-12-01Pre Seed
Recent News
2025-10-10
Company data provided by crunchbase