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Strong experience developing and supporting business applications using the MS .NET platform (C#, Visual Studio) and working with both Oracle and SQL Server databases. Responsibilities include designing, developing, and maintaining C#/.NET applications, troubleshooting and implementing solutions, writing and optimising T-SQL and PL/SQL scripts, and providing production support.

Experienced SC-cleared Data Scientist to support a high-profile central government programme delivering advanced analytics and machine-learning solutions. Turn complex datasets into predictive insights and deployable models that inform policy and operational decision-making. Work within a multidisciplinary data team to design, build and productionise machine-learning models using Python and MLOps practices across secure cloud environments.

Lead Data Engineer (VP) responsible for architecting and delivering scalable data pipelines on cloud platforms, migrating legacy Oracle environments to modern lakehouse architectures (Databricks/Azure), and guiding a team of data engineers through governance, CI/CD, and data operations.

Join a high-performance eBond Booking and Messaging team to build and adapt trading workflows, ensure connectivity to external exchanges, and manage trade booking systems within a modern microservices architecture, reactive programming environment, and automated CI pipeline with weekly releases.

We have an exciting opportunity for an Integration Specialist to design, build and support integrations across the Workforce ecosystem (Time, Absence, Scheduling and Payroll) to enable accurate pay, compliance and reporting. You will implement secure integration patterns (API, file, middleware), develop reconciliation and control reports, support SIT/UAT and payroll validation, and produce design documents and runbooks. The role is a 6-month initial contract (with scope for a 2-year engagement) based in London, with hybrid working (2 days onsite per week) and inside IR35.

Six-month contract to maintain and support the Remedy ITSM platform, including integrations and migrations, with active SC clearance; responsibilities include server group management, CMDB data loads, Atrium Integrator development, and general system administration.

Senior DevOps/Platform Engineer role delivering a secure government cloud transformation. Build and operate Google Cloud Platform (GCP) infrastructure with Kubernetes (GKE), Terraform IaC, and CI/CD pipelines (GitLab or similar) in a highly secure, air-gapped environment. Focus on reliability, security, automation, cost efficiency, and SRE practices in a regulated setting with potential DV clearance requirements.

Data Engineering Lead role based in London for Certain Advantage. Onsite 3 days a week, responsible for ingestion strategy, Azure-based data pipelines, data governance and leading a team of data engineers to deliver reliable, compliant data solutions for Trading, Risk, Finance and Operations.

Contract role in London for a Technical Solutions Consultant with strong web technology skills (JavaScript, HTML, CSS) plus debugging, API integrations, and Chrome DevTools. Responsibilities include troubleshooting, data issues from external partner sites, and familiarity with web standards (RSS feeds, Googlebot crawling, OAuth). Requires 3–5 years in a similar technical support or consulting role; business-level Japanese proficiency preferred for the Japanese market. Hybrid work in London; Inside IR35.

Senior Software Developer (AWS/Java) to join the Digital Development & Delivery team. You will design, develop, and maintain secure, scalable, cloud-native Java microservices hosted on AWS, integrating with internal and third-party systems. Collaborating with technical leads, platform engineers, QA, and product teams, you will follow best practices in software design, observability, security, and DevOps principles. You will also contribute to L3 support activities, ensuring the stability and reliability of production systems.