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Senior Technical Specialist

Job in Greater London, London, Greater London, W1B, England, UK
Listing for: HCL Technologies Limited
Full Time position
Listed on 2026-09-29
Job specializations:
  • Software Development
    Backend Developer, Blockchain / Web3
Salary/Wage Range or Industry Benchmark: 85000 - 110000 GBP Yearly GBP 85000.00 110000.00 YEAR
Job Description & How to Apply Below
Location: Greater London

You'll build the backend and blockchain layer behind regulated digital asset products — tokenised deposits, custody, stablecoin rails and on‑chain settlement. This sits at the intersection of core banking engineering and public/permissioned blockchain infrastructure.

What you'll do
  • 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, Dev Ops, security, product owners and blockchain operations; mentor engineers and share knowledge.
Key Responsibilities
  • 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
Technical
  • Solid: event‑driven architecture, Kafka, RabbitMQ, SQL and No

    SQL, Docker, Kubernetes, CI/CD, Git workflows
  • Good understanding of distributed systems, API design, system integration and scalability patterns
Platform Integration
  • Build integrations with digital asset custody and wallet providers.
  • Develop connectivity with blockchain infrastructure and third‑party services.
  • Collaborate on SaaS blockchain platform implementation initiatives.
Skill Requirements Security & Reliability
  • Follow secure coding and software engineering best practices.
  • Participate in architecture reviews and technical design discussions.
  • Contribute to operational readiness and production support activities.
  • Support compliance, audit, and security requirements.
Other Requirements
  • Work within cross‑functional agile teams.
  • Partner with Architects, Dev Ops Engineers, Security Specialists, Product Owners, and Blockchain Operations professionals.
  • Support technical mentoring and knowledge sharing across engineering teams.

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 223,000 people across 60 countries, delivering industry‑leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services.

Consolidated revenues as of 12 months ending June 2026totaled $14.8billion.

Position Requirements
10+ Years work experience
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