Lead Backend Engineer

Job Title: Lead Backend Engineer (Java, Digital Assets & Distributed Systems)

Location: New York City (On-site Day 1)

Employment Type: W-2

Role Overview


We are looking for a seasoned backend engineering leader to build and scale high-throughput, resilient platforms at the intersection of traditional financial systems and digital assets. This role demands deep technical expertise, hands-on leadership, and a strong focus on performance, security, and compliance.

Key Responsibilities

• Build high-throughput, resilient platforms integrating settlement, custody, and digital asset systems with strong focus on performance, reliability, and compliance .
• Lead and mentor a team of engineers, driving Agile delivery , code quality , and modern SDLC practices .
• Design and deliver Java (17+) Spring Boot microservices on Kubernetes with resilience patterns (circuit breakers, retries, bulkheads).
• Develop low-latency APIs (REST/GraphQL/gRPC) with secure auth (OAuth2/OIDC/mTLS) and robust versioning & validation .
• Implement event-driven architecture using Kafka , applying CQRS/event sourcing and ensuring idempotency .
• Integrate Web3/Ethereum services , including wallet orchestration and secure key management (MPC/HSM) .
• Enforce security best practices : secrets management, rate limiting , PII protection , and AML/KYC compliance flows .
• Optimize Oracle databases with strong focus on performance, partitioning, and transactional integrity .
• Drive CI/CD pipelines (Jenkins/GitHub Actions) with quality gates (SonarQube) and comprehensive automated testing .
• Establish observability (logs, metrics, tracing) and own SLO/SLA performance targets .
• Contribute to secure frontend/mobile experiences (React/TypeScript) with device and transaction security controls .

Required Qualifications

• 8-13 years of software engineering experience with strong backend focus.
• Proven expertise in Java, Spring Boot, and microservices architecture .
• Experience building high-volume, low-latency distributed systems .
• Strong knowledge of API design, event-driven systems, and cloud-native architecture (Kubernetes) .
• Hands-on experience with Kafka, Oracle DB, and performance optimization .
• Familiarity with security, compliance, and financial systems .
• Excellent problem-solving, communication, and leadership skills .

Nice to Have

• Experience in securities/post-trade systems .
• Exposure to Ethereum, Solidity, or Web3 ecosystems .
• Experience with MPC, HSM, or digital asset custody platforms .