Senior Web3 Engineer (Remote)

Insight Global; Westlake (TX); Remote; USD 140,000 - 210,000; Full time

Job summary

Insight Global seeks a Senior Web3 Engineer to join a growing team building enterprise-grade blockchain platforms for tokenized assets, wallets, and custody services. You will design, build, and scale systems across Ethereum, Hyperledger Besu, Canton/Daml, and other networks, owning architecture through production.

The ideal candidate has 5+ years in distributed systems and hands-on Web3 experience, with strong security practices and familiarity with JSON-RPC, WebSocket, and smart contract

Qualifications

• 5+ years building distributed systems or backend services
• Expertise in Web3 and blockchain engineering
• Experience with Ethereum/EVM ecosystems including smart contracts
• Knowledge of token standards: ERC-20, ERC-721, ERC-1155, ERC-1400, ERC-3643
• Security practices: static analysis, fuzz testing, formal verification
• Experience with Hyperledger Besu or permissioned networks
• Experience Canton, Daml, validator infrastructure
• Proficiency in one or more languages: Java, Go, Kotlin, TypeScript, Rust, Python, C++
• Experience with APIs, microservices, event-driven systems, cloud-native apps
• Ability to own architecture from development to production
• Experience tokenization initiatives and digital assets
• Blockchain indexers, wallet platforms, custody integrations, transaction orchestration

Responsibilities

• Design and build reusable platform services for tokenization, wallet integration, and transaction processing
• Develop backend services interfacing with blockchain nodes, custody platforms, wallets, and smart contracts
• Build blockchain abstraction layers supporting multiple networks
• Develop solutions for Ethereum, EVM chains, Hyperledger Besu, Canton/Daml, and private blockchains
• Implement blockchain connectivity using JSON-RPC, WebSocket, event monitoring, and contract interactions
• Build distributed systems for high-volume tokenized asset transactions and enterprise-grade scalability
• Design, review, and integrate smart contracts for tokenized assets and workflows
• Work with Solidity and ERC standards to develop secure blockchain apps
• Develop layers for transaction creation, ABI encoding/decoding, and event processing
• Establish standards for testing, deployment, governance, versioning, and release management
• Support security initiatives including threat modeling, static analysis, fuzzing, and secure deployment

Skills

Distributed systems

Web3 blockchain

Ethereum/EVM

Smart contracts

Architecture ownership

APIs & microservices

Security & audits

Cloud-native

Tools

JSON-RPC

WebSocket

Solidity

Ethereum tooling

Job description

Job Description

Our client is building the next generation of digital asset and tokenization infrastructure and is seeking a Senior Web3 Engineer to join a growing engineering team focused on blockchain-enabled financial services. This role will help design, build, and scale enterprise-grade blockchain platforms supporting tokenized assets, smart contract integrations, wallet and custody services, transaction orchestration, and distributed ledger technologies. The ideal candidate has deep expertise in blockchain engineering and enjoys solving complex challenges across both public and permissioned blockchain ecosystems. You will work across technologies including Ethereum, Hyperledger Besu, Canton/Daml, EVM-compatible networks, and emerging tokenization frameworks while helping establish the foundational infrastructure that powers future digital asset initiatives.

Key ResponsibilitiesWeb3 Platform Engineering

• Design and build reusable platform services supporting tokenization, wallet integration, blockchain connectivity, transaction processing, and digital asset lifecycle management.
• Develop backend services that integrate with blockchain nodes, custody platforms, wallets, signing systems, and smart contracts.
• Build blockchain abstraction layers capable of supporting multiple blockchain networks and protocols.
• Develop solutions supporting Ethereum, EVM-compatible chains, Hyperledger Besu, Canton/Daml, and permissioned blockchain environments.
• Implement blockchain connectivity utilizing JSON-RPC, WebSocket subscriptions, event monitoring, transaction tracking, and smart contract interactions.
• Build distributed systems capable of supporting high-volume digital asset transactions and enterprise-grade scalability.

Smart Contract & Tokenization Development

• Design, develop, review, and integrate smart contracts supporting tokenized asset solutions and programmable workflows.
• Work with Solidity and EVM token standards to develop secure and scalable blockchain applications.
• Build application layers responsible for transaction creation, ABI encoding/decoding, contract state management, event processing, and transaction simulation.
• Establish development standards around smart contract testing, deployment, governance, versioning, and release management.
• Support security initiatives including threat modeling, static analysis, fuzz testing, and secure deployment processes.

Wallet, Custody & Transaction Services

• Integrate with institutional wallet, custody, signing, and authorization platforms.
• Design transaction orchestration services covering validations, approvals, policy enforcement, signing workflows, and transaction monitoring.
• Support account and wallet registration, approval workflows, transaction controls, and audit requirements.workflows, and transaction monitoring.
• Build reliable solutions for transaction tracking, confirmation monitoring, exception handling, and operational support.

Skills and Requirements

• 5+ years of software engineering experience building distributed systems, financial platforms, transaction processing systems, blockchain infrastructure, or high-scale backend applications.
• Strong hands-on experience developing Web3 and blockchain-based solutions.
• Deep understanding of Ethereum and EVM ecosystems, including:
  • Smart Contracts
  • Transaction Lifecycle Management
  • ABI Encoding & Decoding
  • Event Logging
  • Gas & Fee Management
  • Nonce Management
  • Transaction Finality
• Experience building services that interact directly with blockchain nodes, wallets, smart contracts, custody providers, and signing platforms.
• Experience with:
  • JSON-RPC
  • WebSocket Connections
  • Blockchain Event Indexing
  • Smart Contract Integrations
  • Transaction Monitoring
• Strong understanding of custody models, wallet infrastructure, digital asset security, key management, and transaction signing.
• Proficiency in one or more of the following:
  • Java
  • Go
  • Kotlin
  • TypeScript
  • Rust
  • Python
  • C+
• Experience developing APIs, microservices, event-driven systems, and cloud-native applications.
• Ability to independently own architecture, development, testing, deployment, and production support responsibilities.
• Experience with Hyperledger Besu, permissioned blockchain networks, or private blockchain environments.
• Experience working with Canton, Daml, validator infrastructure, participant nodes, or institutional blockchain platforms.
• Experience supporting tokenization initiatives, digital assets, or blockchain-based financial products.
• Experience with smart contract audits, static analysis, fuzz testing, formal verification, or secure deployment practices.
• Experience developing:
  • Blockchain Indexers
  • Wallet Platforms
  • Custody Integrations
  • Transaction Orchestration Systems
  • Token Lifecycle Management Platforms
• Familiarity with token standards including:
  • ERC-20
  • ERC-721
  • ERC-1155
  • ERC-1400
  • ERC-3643
• Experience operating within regulated financial services or security-sensitive environments.
• Blockchain certifications or formal blockchain training.

We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal employment opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment without regard to race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or the recruiting process, please send a request to [e-mail].