{"id":4023442,"url":"https://alion.io/job/hcltech-senior-technical-architect-127","title":"Senior Technical Architect","company":{"id":225,"name":"HCLTech","domain":"hcltech.com","url":"https://alion.io/company/hcltech","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"SuccessFactors","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"staff","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Amsterdam, Netherlands"],"countries":["NL"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Kafka","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"Git","optional":false},{"name":"Java","optional":false},{"name":"Kotlin","optional":false},{"name":"Kubernetes","optional":false},{"name":"Layer 2","optional":false},{"name":"RabbitMQ","optional":false},{"name":"Rest API","optional":false},{"name":"Smart Contracts","optional":false},{"name":"Spring Boot","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-11-10T16:02:01Z","employer_posted_date":"2026-11-10","last_verified_at":"2026-11-10T16:02:01Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Job Summary\nBackend engineering - Design and ship enterprise-grade Java/Kotlin microservices and APIs that meet bank-grade availability, latency and security standards.\nBlockchain development - Implement on-chain business logic and workflows: smart contract interactions, mint/burn, asset transfers, wallet lifecycle and key management flows.\nIntegration - Connect the platform to custody providers, wallet infrastructure, node providers and SaaS blockchain platforms; integrate with core banking, payments and ledger systems.\nSecurity & resilience - Apply secure coding practices, participate in architecture and threat reviews, and support audit, compliance and production readiness.\nCollaboration - Work in a cross-functional agile squad with architects, DevOps, security, product owners and blockchain operations; mentor engineers and share knowledge.\nWhat you bring\nExperience\n5+ years in software engineering, solution design or architecture, including production ownership\nHands-on experience with blockchain protocols\nBackground in financial services, payments or fintech - or a demonstrable grasp of how regulated money movement works\nStrong stakeholder management across business and technology\nBachelor's in Computer Science, Software Engineering or equivalent\nFluent English (C1+)\nTechnical\nStrong: Java (preferred), Kotlin, Spring Boot, REST APIs, microservices\nSolid: event-driven architecture, Kafka, RabbitMQ, SQL and NoSQL, Docker, Kubernetes, CI/CD, Git workflows\nGood understanding of distributed systems, API design, system integration and scalability patterns\nPlatform Integration\nBuild integrations with digital asset custody and wallet providers.\nDevelop connectivity with blockchain infrastructure and third-party services.\nCollaborate on SaaS blockchain platform implementation initiatives.\nSecurity & Reliability\nFollow secure coding and software engineering best practices.\nParticipate in architecture reviews and technical design discussions.\nContribute to operational readiness and production support activities.\nSupport compliance, audit, and security requirements.\nCollaboration\nWork within cross-functional agile teams.\nPartner with Architects, DevOps Engineers, Security Specialists, Product Owners, and Blockchain Operations professionals.\nSupport technical mentoring and knowledge sharing across engineering teams.\nKey Responsibilities\nHands-on architecture of EVM-based systems, public and permissioned (for example Besu).\nToken standards, the smart-contract lifecycle, independent audits and governed upgrades.\nCustody and key management with HSM and MPC, including key ceremonies and recovery.\nInteroperability and bridging patterns, and their risks.\nExperience in regulated financial services.\nSkill Requirements\nInstitutional tokenisation or custody platforms.\nStablecoin or tokenised deposit pilots.\nLayer 2 networks.\nTechnical implications of MiCA.\nSecurity certifications.\nOther Requirements\nPlatform landscape for the target consortia\nPlatform and Engine boundary paper\nGate G1 and G3 assessments for every vendor\nDLT and security ratings with evidence\nChain-adapter estimate for the build 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