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# Lead Blockchain Architect and Developer

- **Company:** Connvertex Technologies Inc.
- **Location:** Jersey City, NJ, United States
- **Experience:** Expert
- **Salary:** $152,000.0 - $215,000.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), JavaScript (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, Automation of Tests, Microsoft Azure, Cloud Computing, Cloud Engineering, Code Review, Cyber Security, Databases, Continuous Integration, Software Debugging, DevOps, Digital Assets, Distributed Systems, Middleware, Monitoring of Systems, Python (Programming Language), Key Management, Network Troubleshooting, Microsoft Message Queuing, Network Monitoring, Network Protocols, NoSQL, Performance Tuning, Scrum Methodology, Queueing Systems, RabbitMQ, Reliability Engineering, Ansible, Blockchain, Prometheus, Secure Coding, Software Engineering, SQL Databases, Data Streaming, Systems Integration, TCP/IP, TypeScript, Web Services, WebSocket, Openapi, Rust (Programming Language), Datadog, Google Cloud, Grafana, Indexer, Event Driven Architecture, Containerization, Kubernetes, Infrastructure Automation Frameworks, Information Technology, Ethereum, Solidity, Apache Kafka, Graphql, Web3.js, Bitcoin, Api Design, Restful APIs, Terraform, Data Pipelines, Api Management, Docker, Web Api, Programming Languages
- **Published:** August 15, 2026
- **Apply:** https://www.careerjet.com/jobad/us96bf5b26faaded1379edcdce2e302bd4

## About the Role

University degree in Computer Science, Engineering or equivalent work experience
8+ years software engineering experience with 3+ years in technical leadership roles
Deep technical expertise across distributed systems, blockchain technologies, and platform engineering
Proven track record leading complex technical initiatives from conception through production
Start-up Experience
Preferred Education/Experience:
Degree in Computer Science or related field
Extensive experience with blockchain protocols (Ethereum, Canton, Solana, or similar)
Experience in financial services, capital markets, or regulated environments
Track record building and scaling engineering teams
Familiarity with regulatory frameworks (MiFID II, EMIR, CFTC, SEC requirements for digital assets)
Behavioral Competencies:
Strategic thinking with ability to balance long-term vision with short-term delivery
Exceptional communication skills with ability to articulate complex technical concepts to non-technical stakeholders
Strong leadership and mentoring capabilities
Proven ability to influence without direct authority across organizational boundaries
Entrepreneurial mindset with comfort operating in ambiguous, rapidly evolving environments
Excellent judgment in risk assessment and technical trade-off decisions, University degree in Computer Science, Engineering or equivalent work experience
Strong software engineering background with experience in distributed systems
Experience integrating with external APIs, protocols, or third-party systems
Solid understanding of networking, APIs, and data pipelines
Preferred Education/Experience:
University degree in Computer Science or related field
Hands-on experience running and operating blockchain nodes (Ethereum, Bitcoin, or other protocols)
Experience with Web3 libraries and blockchain SDKs (ethers.js, web3.js, bitcoinjs, etc.)
Familiarity with blockchain indexing solutions (The Graph, custom indexers)
Experience with message queues, event streaming, and async processing patterns
Knowledge of DevOps practices, containerization, and cloud infrastructure
Understanding of cryptographic primitives and secure key management
Behavioral Competencies:
Ability to work across multiple projects and manage competing priorities
Strong written and verbal communication skills with ability to explain technical concepts clearly
Innovative problem-solving approach with entrepreneurial mindset
Excellent troubleshooting and debugging skills, especially for distributed systems
Proven team collaboration and knowledge-sharing abilities
Comfort with ambiguity and rapidly changing blockchain ecosystems
Technical Competencies:
Blockchain node operation and infrastructure (Geth, Erigon, Bitcoin Core, validators, etc.)
RPC protocols and blockchain APIs
Web3 libraries and blockchain SDKs across multiple languages
RESTful and GraphQL API design and development
Message queuing systems (Kafka, RabbitMQ, AWS SQS)
Database technologies (SQL and NoSQL) for blockchain data indexing
Programming languages: Go, Rust, Python, TypeScript/JavaScript, or Java
Cloud platforms (AWS, Azure, GCP) and containerization (Docker, Kubernetes)
Monitoring and observability tools (Prometheus, Grafana, Datadog, etc.)
Blockchain transaction lifecycle and confirmation mechanics
Cryptographic signing and secure key management patterns
Network protocols and troubleshooting (TCP/IP, WebSockets, etc.)
CI/CD pipelines and infrastructure as code (Terraform, Ansible)

## Description

We need a senior Blockchain Architect and a senior Blockchain Developer to define and drive technical architecture and strategy for digital asset platform components across smart contracts, integrations, and infrastructure. They will lead design reviews, establish coding standards, and ensure architectural consistency across the digital asset technology stack as well as mentor and develop team members across blockchain engineering, QA, and platform development disciplines. THERE ARE TWO POSITIONS FOR BLOCKCHAIN. WE NEED A SENIOR ARCHITECT AND A SENIOR DEVELOPER WITH EXPERIENCE IN Distributed ledger technologies and consensus mechanisms AND Digital asset custody solutions and key management systems
*** Experience required on a resume and for submittal:

 1. How many years working with: Block Chain Developer or Architect
 2. How many years working with: Define and drive technical architecture and strategy for digital asset platform components, Define and drive technical architecture and strategy for digital asset platform components across smart contracts, integrations, and infrastructure
Lead design reviews, establish coding standards, and ensure architectural consistency across the digital asset technology stack
Mentor and develop team members across blockchain engineering, QA, and platform development disciplines
Serve as escalation point for complex technical issues spanning smart contracts, blockchain integrations, and platform services
Collaborate with enterprise architecture, security, and infrastructure teams to ensure alignment with RBC standards
Research, evaluate and recommend blockchain protocols, consensus mechanisms, custody solutions, and related technologies
Interface directly with business leaders, product managers, and stakeholders to translate business requirements into technical roadmaps
Lead technical due diligence for vendor selections, protocol evaluations, and technology partnerships
Establish and enforce security practices including threat modeling, code review processes, and secure development lifecycle
Drive DevOps maturity, CI/CD pipeline optimization, and operational excellence across environments
Participate in cross-functional working groups, architecture review boards, and regulatory/compliance discussions
Own technical planning, sprint planning coordination, and delivery forecasting in partnership with Project Managers
Key Relationships:
Engineering team members across smart contracts, blockchain integration, QA, and platform development
Enterprise Architecture, Security Architecture, and Infrastructure teams
Product Managers, Business Analysts, and Executive Stakeholders
Production Support, Site Reliability Engineering (SRE), and Operations teams
Vendor technical teams and blockchain protocol foundations
Regulatory, Compliance, and Legal teams
PMO, Finance, and Budgetary teams
External consultants and technology partners, Smart contract platforms and security (Solidity, Rust, Move, DAML, etc.)
Distributed ledger technologies and consensus mechanisms
Digital asset custody solutions and key management systems
API design and event-driven systems
Security best practices including cryptography, secure coding, and threat modeling
Performance optimization and scalability patterns
Regulatory technology considerations for digital assets
BLOCKCHAIN DEVELOPER
Primary Responsibilities:
Design, develop, test, and maintain integration services connecting blockchain networks with RBC's digital asset platform
Build and optimize blockchain node infrastructure, RPC connections, and network monitoring solutions
Develop middleware APIs and services that abstract blockchain complexity for platform consumers
Implement transaction construction, signing, submission, and confirmation tracking mechanisms
Create robust error handling, retry logic, and circuit breaker patterns for blockchain connectivity
Build data indexing and event streaming pipelines from blockchain networks to enterprise data stores
Research and evaluate blockchain protocols, node implementations, and infrastructure providers
Collaborate with smart contract engineers to understand on-chain requirements and design appropriate integration patterns
Work with security teams to implement secure key management, transaction signing, and access control
Implement monitoring, alerting, and observability solutions for blockchain integrations and node health
Translate business and functional requirements into technical specifications for blockchain connectivity
Document integration architectures, API specifications, and operational runbooks
Mentor team members on blockchain integration patterns, node operations, and troubleshooting techniques
Conduct code reviews and ensure adherence to security and quality standards
Follow DevOps practices including automated testing, continuous integration, and infrastructure as code
Collaborate on resolving production incidents related to blockchain connectivity or network issues
Work with Project Managers and stakeholders on integration roadmaps and delivery timelines
Key Relationships:
Smart contract engineers and platform developers within the digital asset team
Infrastructure, Cloud Engineering, and Site Reliability teams
Security Engineering and Cybersecurity teams
Project Managers, Business Analysts, and QA engineers
Production Support and Application Support teams
Blockchain protocol teams and node infrastructure providers
Offshore and remote development teams
Technology working groups and architecture forums, Title: Lead Java Developer Newark, NJ (Onsite) 6+ months What You'll Get to Do: Lead the development, deployment, and management of sophisticated API solutions using AWS …

 + 1 month ago
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