Senior Blockchain Engineer

As a Senior Blockchain Engineer at Rainier Softech Solutions Pvt, you lead the architecture, design, and delivery of enterprise-grade blockchain solutions for regulated financial environments in Capital Markets. You bring hands-on experience with blockchain architecture, smart contracts, distributed systems, tokenization, DLT platforms, and cloud-native technologies, working on use cases such as securities settlement, custody, clearing, reconciliation, post-trade processing, asset servicing, and tokenized assets.

What you'll do

• Lead architecture and design of blockchain/DLT solutions for Capital Markets, including settlements, custody, clearing, reconciliation, asset servicing and tokenized securities
• Define smart-contract architecture, standards, lifecycle and security practices
• Design permissioning, privacy, identity and governance models for regulated environments
• Define on-chain and off-chain data architecture and enterprise integration patterns
• Design scalable, highly available and resilient blockchain platforms
• Review architecture, smart contracts, APIs and event-driven integrations
• Lead and mentor blockchain engineering teams
• Own technical delivery, sprint planning, milestones and technical deliverables
• Conduct architecture, design and code reviews
• Ensure production readiness, operational stability and security
• Support platform upgrades, incident resolution and continuous improvement
• Drive smart-contract security and threat modelling
• Define access control, identity and key-management practices
• Establish upgrade and governance mechanisms
• Ensure compliance with organizational, audit and regulatory requirements
• Translate Capital Markets business requirements into technical solutions
• Work on post-trade, settlement, custody, clearing and asset-servicing workflows
• Understand high-volume and time-critical financial transaction processing
• Work with business, product, risk, compliance and technology stakeholders

What you bring

• 2+ years of leadership experience
• 4-6+ years of hands-on Blockchain or DLT experience
• Strong understanding of blockchain architecture and distributed systems
• Experience with smart contracts and smart-contract lifecycle management
• Experience with permissioned enterprise blockchain
• Experience with tokenization, digital assets and digital securities
• Understanding of consensus, cryptography, identity and key management
• Experience with blockchain APIs and event-driven architectures
• Strong Java and/or Scala experience
• Experience with at least one blockchain smart-contract or scripting technology
• Strong understanding of APIs, microservices and distributed systems
• Domain expertise in Capital Markets, Investment Banking or Financial Services