7 Contract IT jobs found in London, London

🔐 PQC & Cryptography EngineerLocation: 100% Remote (UK-based, with occasional fully expenses-paid office visits)Role Type: ContractClient: Leading UK High Street BankThe RoleQuantum computing is rapidly changing the cybersecurity landscape, and we need an experienced Cryptography Engineer to help future-proof our enterprise infrastructure.You'll be working directly on our Post-Quantum Readiness & Crypto-Agility journey-mapping business impacts, running ri

Senior Linux Automation & Platform Engineer (Perl/Python)Location: London (Hybrid - 3 days per week onsite in Canary Wharf)Contract Duration: 12 Months (49 weeks)Benefits: 33 days holiday allowanceAre you a hands-on Linux Automation Engineer with a strong background in Perl and Python? We are looking for an experienced Platform Engineer to support, maintain, and evolve a critical enterprise platform for a large-scale global client.In this role, you will ch

The OpportunityYou will join a high-impact development squad building commercial offerings on top of the thriving open-source Backstage framework. You will design and build backend systems, APIs, and developer portals that elevate the developer experience across external commercial clients and internal engineering teams alike.Your ImpactBackend & API Systems: Design, build, and maintain scalable backend services and APIs primarily using TypeScript, Node.js

The OpportunityYou will act as a "software detective"-investigating complex technical issues, keeping core retail systems running smoothly, and driving continuous system improvements.Your ImpactRapid Issue Resolution: Diagnose and resolve complex software glitches across business-critical systems to keep retail operations seamless.Technical Leadership: Serve as a subject matter expert, taking ownership of team decisions and collaborating across teams to so

The Opportunity:In this role, you will go beyond building standard user-facing features to focus on critical internal platform architecture. Working within a lean, agile environment, you will develop and expand multilingual content taxonomy systems, ensuring complex global catalogs are seamlessly organized and discoverable.Your Impact:Platform Innovation: Solution design and end-to-end implementation of capabilities within existing cloud services and data

The OpportunityIn this role, you will focus on building production-grade Agentic AI platform architectures. Working within an agile team, you will bridge advanced LLM capabilities with enterprise systems to deploy scalable, multi-agent workflows.Your ImpactAgentic Innovation: Build multi-agent systems and stateful workflows using Google ADK, LangChain, or LangGraph.System Guardrails: Implement fallback logic, circuit breakers, and structured outputs via Py

Role : Avaloq DeveloperLocation: Scotland, UK (Remote)Contract Duration: 10 MonthsJob Description:An Avaloq Developer is responsible for the end‑to‑end design, implementation, customization, and unit testing of solutions within the Avaloq Banking Suite. The role involves delivering high‑quality parameterization, scripting, interfaces, and report development aligned to functional and technical requirements.Key responsibilities include:Implementing Avaloq pa