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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Group Technical Architect - **Company:** HCLTech - **Location:** London, UK - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Accounting Systems, Application Programming Interfaces (APIs), Business Logic, Software as a Service, Continuous Integration, DevOps, Digital Assets, Distributed Systems, Key Management, NoSQL, RabbitMQ, Blockchain, Secure Coding, Software Construction, Software Engineering, SQL Databases, Systems Integration, Spring-boot, Backend, Kotlin, Event Driven Architecture, Git Flow, Kubernetes, Information Technology, Low Latency, Apache Kafka, Api Design, Restful APIs, Docker, Microservices - **Published:** September 25, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=f14170805254fcd2 ## About the Role * 12+ 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 * Fluent English (C1+) Skill Requirements Technical * Strong: Java (preferred), Kotlin, Spring Boot, REST APIs, microservices * Solid: event-driven architecture, Kafka, RabbitMQ, SQL and NoSQL, Docker, Kubernetes, CI/CD, Git workflows * Good understanding of distributed systems, API design, system integration and scalability patterns ## Description 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., * 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, * 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. Other 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 Collaboration * Work within cross-functional agile teams. * Partner with Architects, DevOps Engineers, Security Specialists, Product Owners, and Blockchain Operations professionals. ## Related Videos - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [Kotlin Multiplatform - True power of native code reuse](https://www.wearedevelopers.com/videos/4-kotlin-multiplatform-true-power-of-native-code-reuse) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Next Level Enterprise Architecture: Modular, Flexible, Scalable, Multichannel and AI-Ready?](https://www.wearedevelopers.com/videos/1017-next-level-enterprise-architecture-modular-flexible-scalable-multichannel-and-ai-ready) - [Tomorrow's cloud data platforms - fully managed database-as-a-service (DBaaS)](https://www.wearedevelopers.com/videos/254-tomorrow-s-cloud-data-platforms-fully-managed-database-as-a-service-dbaas) - [Coffee with Developers](https://www.wearedevelopers.com/videos/341-coffee-with-developers) ## Related Articles - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Best Companies to work for in London: Top 25 Companies in 2023](https://www.wearedevelopers.com/magazine/187-best-companies-to-work-for-in-london-top-25-companies-in-2023)