Blockchain Engineer

• Lead, mentor, and grow a team of blockchain security engineers.
• Define and evolve the blockchain security strategy and roadmap.
• Serve as a trusted security partner to product, protocol, and infrastructure teams.
• Lead threat modeling and architecture reviews for on-chain systems.
• Perform and guide security reviews and audits of smart contracts (Solidity, Rust/Solana) and backend services and supporting infrastructure.
• Design and implement reusable security controls, patterns, and reference architectures.
• Support secure deployment of cloud-native infrastructure (containers, Kubernetes).
• Research emerging blockchain threats, exploits, and mitigations, and translate them into actionable controls.
• Embrace and champion the thoughtful adoption of AI to improve team performance and business outcomes.
• Leverage AI tools (e.g., generative AI, automation platforms, data copilots) to improve productivity, decision-making, and output quality in your day-to-day work.

Blockchain Security Lead

• Architect and build a custom blockchain application using Go, Cosmos SDK, and CometBFT (Tendermint)
• Implement and optimize privacy-preserving primitives, specifically Pedersen Commitments and Bulletproofs (Range Proofs), ensuring no trusted setup is required
• Engineer custom ABCI++ extensions (specifically PrepareProposal and Vote Extensions) to implement an on-chain Multi-Party Computation (MPC) mixing network
• Design a custom KVStore state machine that manages homomorphic encrypted balances (Elliptic Curve points) instead of plaintext integers
• Optimize cryptographic operations (scalar multiplication, point addition) for low latency and high throughput in a distributed environment
• Build secure off-chain query layers and 'view key' mechanisms that allow for granular, permissioned regulatory auditing

Senior Protocol Engineer

• Design and develop Solana programs using Rust with Anchor or native frameworks.
• Scale and maintain existing blockchain infrastructure, with a focus on Token-2022 and advanced token standards.
• Optimize program performance, including compute units, account sizing, and transaction packing.
• Participate in architecture discussions, code reviews, and technical design reviews.
• Build comprehensive testing frameworks, including fuzz testing, and prepare systems for external security audits.

Senior Blockchain Engineer – Solana, Rust

• Work with the blockchain and digital assets leaders and partners.
• Responsible for leading day-to-day execution and delivery of audit and advisory activities throughout the year.
• Supervise associate level professionals and delegate engagement responsibilities.
• Responsible for communicating and resolving audit matters that arise during the audit engagement with the support of the engagement manager.
• Develop and maintain client relationships, thus driving client satisfaction.
• Research, understand and apply complex accounting concepts and auditing procedures.
• Draft financials and report audit findings (both verbal and written).
• Develop, motivate, and mentor associates by providing training, regular feedback and career guidance while fostering a team environment.

Senior Assurance – Blockchain

• Analyze blockchain activity across EVM and non-EVM networks
• Trace illicit or suspicious fund flows
• Investigate exploits and laundering techniques
• Generate actionable intelligence for internal stakeholders and external partners
• Collaborate closely with security researchers and incident response teams
• Produce concise, high-quality reports summarizing technical findings
• Stay current on evolving exploit techniques

Blockchain Security Analyst

• Design and evolve core control, data, and observability systems
• Implement resilient, region-spanning architectures
• Build libraries and tooling for reliability and developer velocity
• Diagnose and harden critical paths with real-world insights
• Shape new platform capabilities

Distributed Systems Engineer

• Build, maintain and test core components on our Cosmos-SDK protocol including our decentralized orderbook, trade execution coordinator, order matcher, and Layer-2 execution environment
• Develop and optimize core components of the Injective blockchain (consensus, state management, financial infrastructure and applications)
• Write open-source Golang clients that allow users to interact directly with our protocol and smart contracts
• Contribute to the research and development of new blockchain features and technologies
• Work closely with cross-functional teams, including front-end developers, back-end developers, and quality assurance engineers, to deliver comprehensive blockchain solutions
• Collaborate with external partners and open-source communities to enhance our blockchain ecosystem

Protocol Engineer

• deliver operational risk oversight for Fidelity Digital Asset Management and its related businesses
• work across business, technology, product, legal, compliance, and operations to assess operational readiness
• evaluate, communicate, and manage operational risks associated with digital-asset initiatives
• develop tools and analytics to monitor operational risks across Fidelity’s digital‑assets ecosystem
• support the development and launch of innovative new products involving crypto and blockchain technology in a risk-managed way
• perform proactive and targeted data analysis and risk assessments to identify risks for management

Digital Assets Risk Manager – Crypto & Blockchain

• Design and implementation of core components of Prover Network
• Highly optimized communication between the clients and GPUs
• Design and lead the implementation of the consensus protocol
• Collaborate closely on design with Dr. Rao
• Help shape not only the protocol but also the company culture and platform
• Set technical standards for Prover Network
• Contribute ideas and expertise to drive evolution of the platform
• Solve complex problems in a rapidly evolving space

Founding Protocol Engineer

• Extract, normalize, and store data from Ethereum, L2s such as Arbitrum and Solana, plus relevant protocols.
• Design and implement secure Solidity/EVM contracts to enable data adapters, allocation validation, and rule evaluation.
• Build and maintain services that integrate on-chain data to internal systems and external APIs.
• Develop robust, testable logic for event ingestion, data orchestration and state transitions.
• Implement access controls, pausability, monitoring, and on-chain and off-chain audit trails.
• Collaborate with product and engineering teams to design resilient, auditable, and automated financial workflows.
• Contribute to shared libraries and improve tooling for data ingestion, validation, and analysis.

Blockchain Developer

• Contribute to the design, implementation, testing, and security review of Wormhole’s core Solidity contracts and to protocols expanding to EVM chains.
• Collaborate with cross-functional teams to gather customer requirements, analyze business needs, and translate them into smart contract code.
• Follow best practices for secure smart contract development and build future best practices alongside Wormhole security researchers.
• Stay up to date with the latest in Ethereum/EVM tooling, best practices, and industry trends.

Solidity Protocol Engineer

• You will be part of a DGX Cloud team responsible for production systems that enable large scalable GPU clusters to be used for a variety of AI workloads.
• Designing and developing a massively distributed scalable platform which would be used to identify, diagnose and remediate non-performant GPU assets.
• Working with teams across NVIDIA to ensure production AI clusters run reliably and consistently with maximum performance.
• Evaluating system failures and improving services based on a well-defined incident management process.

Senior Software Engineer, Distributed Systems Engineer – DGX Cloud

• As a Blockchain Data Analyst & Researcher, you will serve as a pivotal force in our data intelligence efforts
• Your core mission will involve a deep dive into the mechanics of various blockchain networks
• Reverse engineering of sophisticated Decentralized Finance (DeFi) protocols and translating these into actionable, structured data
• Develop new derivative data models and datasets for client insights
• Map, cleanse, and normalize raw blockchain data into structured relational and non-relational schemes for analytics tools

Blockchain Data Analyst, Researcher

• Serve Models at Scale: Design and operate distributed inference systems for LLMs, optimizing throughput, latency, and cost across heterogeneous GPU fleets. Batching, scheduling, KV cache management, autoscaling — you own the levers that make inference economical.
• Move the Data: Build large-scale data pipelines (Ray Data, Spark, or equivalents) that ingest, transform, and curate the datasets behind training and evaluation. The bottleneck is rarely where people think it is, and you find it.
• Debug the Undebuggable: Chase down the failure modes that only emerge under real production traffic — stragglers, head-of-line blocking, silent data corruption, GPU memory fragmentation — and write the postmortems that prevent the next ten. Define SLOs, build the observability to measure them, and own the on-call rotation that defends them.
• Partner Across the Stack: Work directly with researchers and ML engineers to take experimental workloads from "runs on one node" to "runs in production." You're a systems partner, not a ticket queue.

Distributed Systems Engineer, Data & Inference Platform

• Reporting to the CEO, you will translate AIVM’s company vision into product architecture, roadmap, developer experience, and launch execution, including:
• - The Policy Oracle: Cryptographic guardrails that intercept, evaluate, and enforce agent action before execution.
• - Agent Identity and Reputation: including emerging standards such as ERC-8004.
• - Programmable Payments and Wallet Abstraction: including x402-inspired flows.
• - Immutable Accountability: via execution receipts that make agent actions traceable and auditable.
• The immediate priority is to inherit the current roadmap, pressure-test the core primitives, align engineering and go-to-market, and drive the platform toward testnet/mainnet readiness.
• Inherit and evolve the existing product vision, roadmap, and platform strategy for the AIVM ecosystem.
• Position AIVM as a category-defining decentralized AI infrastructure layer.
• Translate complex technical capabilities into clear product strategy and market positioning.
• Lead the design of AIVM as a multi-sided platform serving:
• - Agent developers and AI application teams
• - Protocols and apps integrating autonomous agents
• - Enterprises needing policy, compliance, and controlled execution
• - Node operators / validators / infrastructure providers
• - Data, compute, and model providers
• Define core primitives: APIs, SDKs, execution layers, and developer experience.
• Build and lead a high-performance product function.
• Drive end-to-end product execution from concept to Mainnet and beyond.
• Establish product processes that balance speed, quality, and scalability.
• Partner deeply with engineering to align on architecture, trade-offs, and delivery.
• Run product and technical execution rituals to maintain roadmap clarity, accountability, and delivery momentum.
• Act as the central bridge between product, engineering, marketing, and business development.
• Collaborate on go-to-market strategy, product launches, and narrative.
• Support partnerships with strong product thinking and technical clarity.
• Define and track core product and ecosystem KPIs:
• - Developer adoption
• - Agent deployments
• - Network activity and retention
• Use insights to continuously refine product direction and priorities.

Head of Product – AIVM, Agentic AI & Blockchain Platform

• Design, develop, and implement robust test plans, test cases, and test scripts for blockchain applications
• Execute functional, integration, performance, security, and regression testing for blockchain environments
• Test and integrate blockchain protocols and platforms, including Ethereum-compatible networks
• Test smart contracts for correctness and security vulnerabilities
• Collaborate with development teams to understand technical specifications
• Perform load, performance and stress testing
• Validate blockchain network behavior
• Test integrations with wallets, APIs, backend services
• Identify, document, and track software defects
• Develop and maintain automated test frameworks
• Contribute to the continuous improvement of testing processes
• Stay up-to-date with emerging blockchain technologies

Blockchain Test Engineer

• System Architecture: Design and implement the core system architecture for a real-time, high-stakes distributed platform.
• End-to-End Ownership: Own systems from initial concept and design through implementation and production deployment.
• Technical Problem Solving: Translate ambiguous, high-level objectives into concrete, scalable technical solutions.
• Performance Optimization: Identify and resolve performance bottlenecks, latency constraints, and complex system failures.
• Technical Leadership: Drive technical direction across various components and services while establishing engineering best practices and code quality standards.
• Collaboration: Work closely with product and business functions to ensure technical decisions align with intended economic outcomes.
• Cultural Impact: Define engineering standards, influence future hiring, and set the cultural bar for the engineering organization.

• Develop, test, and deploy distributed ledger technology (DLT) applications and smart contracts
• Build and maintain blockchain infrastructure and backend services
• Implement and integrate blockchain protocols, including but not limited to Ethereum, Hyperledger Besu, Corda, Cosmos, Canton
• Design and implement identity and access management (PKI, certificates, roles, and permissions)
• Integrate blockchain solutions with existing enterprise systems (APIs, databases, etc.)
• Ensure data privacy, confidentiality, and compliance with regulatory requirements
• Participate in network governance design (consensus, membership, endorsement policies)
• Develop, test, debug and maintain robust, secure, and performant blockchain applications
• Stay abreast of the latest advancements in blockchain technology, cryptography, and distributed systems
• Participate in code reviews, technical discussions, and contribute to the overall architectural direction of blockchain initiatives
• Collaborate with product, DevOps, and security teams
• Document technical designs, development processes, and operational procedures.

• Designing, developing, and integrating functionality within our data plane and control plane to uplift the security, observability, and resilience posture for traffic traversing the cloud.
• Building software solutions and tools to improve developer experience and product experience in collaboration with team members and stakeholders.
• Responsible for driving alignment with stakeholders and setting partner expectations.
• Provide technical mentorship for junior engineers and set best practices through detailed design reviews and high-quality code reviews.

See all jobs on JobTailor

Blockchain Security Lead

Senior Protocol Engineer

Senior Blockchain Engineer – Solana, Rust

Senior Assurance – Blockchain

Blockchain Security Analyst

Distributed Systems Engineer

Protocol Engineer

Protocol Engineer

Digital Assets Risk Manager – Crypto & Blockchain

Founding Protocol Engineer

Blockchain Developer

Solidity Protocol Engineer

Senior Software Engineer, Distributed Systems Engineer – DGX Cloud

Blockchain Data Analyst, Researcher

Distributed Systems Engineer, Data & Inference Platform

Head of Product – AIVM, Agentic AI & Blockchain Platform

Blockchain Test Engineer

Distributed Systems Engineer

Blockchain Developer

Distributed Systems Engineer 5 – Cloud Gateway