Senior Blockchain & Backend Engineer, Regulated Assets

HCL Technologies Limited; Greater London; On-site; GBP 85,000 - 110,000; Full time

Job summary

HCLTech is seeking a Backend/Blockchain Engineer to design and deliver Java/Kotlin microservices and on‑chain workflows for regulated digital asset products. You will integrate with custody, wallet providers, node services, and traditional core banking systems while upholding high security and reliability standards.

The role requires hands‑on blockchain experience, 5+ years in software engineering, and a background in financial services or fintech.

Qualifications

• 5+ years in software engineering, solution design or architecture, including production ownership
• Hands-on experience with blockchain protocols
• Background in financial services, payments or fintech — or a demonstrable grasp of how regulated money movement works
• Strong stakeholder management across business and technology
• Bachelor's in Computer Science, Software Engineering or equivalent

Responsibilities

• Backend engineering — Design and ship enterprise‑grade Java/Kotlin microservices and APIs that meet bank‑grade availability, latency and security standards.
• Blockchain development — Implement on‑chain business logic and workflows: smart contract interactions, mint/burn, asset transfers, wallet lifecycle and key management flows.
• Integration — Connect the platform to custody providers, wallet infrastructure, node providers and SaaS blockchain platforms; integrate with core banking, payments and ledger systems.
• Security & resilience — Apply secure coding practices, participate in architecture and threat reviews, and support audit, compliance and production readiness.
• Collaboration — Work in a cross‑functional agile squad with architects, DevOps, security, product owners and blockchain operations; mentor engineers and share knowledge.

Skills

Backend engineering

Blockchain development

Integration

Security & resilience

Collaboration

Education

Bachelor's in Computer Science or Software Engineering

Tools

Kafka

RabbitMQ

SQL

NoSQL

Docker

Kubernetes

CI/CD

Git workflows

Job description

HCLTech is seeking a Backend/Blockchain Engineer to design and deliver Java/Kotlin microservices and on‑chain workflows for regulated digital asset products. You will integrate with custody, wallet providers, node services, and traditional core banking systems while upholding high security and reliability standards.

The role requires hands‑on blockchain experience, 5+ years in software engineering, and a background in financial services or fintech.