CBSbutler Holdings Limited trading as CBSbutler
Open positions
KDB+ Data Engineer: High-Performance Financial Pipelines
Permanent, hybrid role in London building and optimising high-performance KDB+/q and Python data pipelines for large financial datasets in the banking sector. Salary £70k-£80k per year.
Data Engineer- MOD Environment
Contract Data Engineer (inside IR35, up to £600/day, until March 2027) on a long-term UK MOD defence programme, hybrid in the West Midlands. Builds and maintains Azure data pipelines and integrations using SQL and Python/PySpark to support reporting, KPIs/SLAs and data governance. Active DV clearance essential.
DV Cleared Data Engineer — Azure Data Pipelines
DV-cleared Data Engineer supporting a long-term UK defence programme in the West Midlands (hybrid). Day to day you build and maintain Azure-based data pipelines for secure data integration and reporting, using SQL, Python/PySpark, and Azure data services like Data Factory, Databricks, or Synapse.
DV Cleared Data Engineer — Azure Data Pipelines
Contract data engineer (up to £600/day Inside IR35, until March 2027) supporting a long-term UK defence programme in Malvern/West Midlands with hybrid working. Day to day involves building and maintaining Azure data pipelines using Data Factory, Databricks and Synapse to deliver operational reporting, KPIs and data governance; DV clearance is required.
Data Engineer for SAS Viya Migration on AWS
CBSbutler Holdings Limited trading as CBSbutler is recruiting three Data Engineers for a major data transformation programme in a secure public-sector environment in Telford. The role is hybrid, 2 days onsite, paying…
Senior Java Engineer
Contract Senior Java Engineer (6-month rolling, inside IR35) on HMRC's Tax Administration Modernisation Programme, building backend services in agile Scrum teams, including the Historical Records Store. Core stack: Java/Spring, RabbitMQ, MongoDB/Oracle, Python, Git/GitLab, plus AI-assisted development; hybrid with 2 days onsite in Telford and BPSS clearance required.
Lead Java Engineer - Spring, Kubernetes | Onsite in Telford
Lead Java Engineer on a 12-month UK modernisation programme: hands-on development plus technical leadership of Java/Spring services on Kubernetes, owning low-level designs, mentoring engineers, and driving architectural best practices, with two days per week on-site in Telford.
Lead Java Engineer
Contract Lead Java Engineer (up to 12 months, inside IR35, PAYE) on a Tax Administration modernisation programme, hybrid with 2 days/week onsite in Telford. The engineer produces low-level designs, leads Java/Spring Boot service delivery on Kubernetes, and mentors engineers through the build phase.
Data Engineer x 3
Data Engineer x 3 Telford / Hybrid - 2 days onsite £460 per day inside ir35 6 month contract Active SC clearance We are currently recruiting for three Data Engineers to join a major data transformation and migration…
Java Engineer - Market Data & RTSDK Migration (Hybrid)
CBSbutler is seeking a seasoned Java Engineer to join a London-based market data project, focusing on migrating from LSEG/Refinitiv RFA to RTSDK. You will analyse existing data usage, map features to RTSDK, and…
Senior SC-Cleared Azure DevOps Engineer – Hybrid London
Six-month+ contract (inside IR35) for an SC-cleared Azure DevOps Engineer working hybrid in London, delivering automation, CI/CD design and tooling across AWS, Azure and GCP for confidential UK government work. Pays £650–£675 per day.
Data Engineer - DV Cleared
Contract Senior Data Engineer on a defence/MOD programme: designs and builds secure, scalable data pipelines and models using Python, SQL, Apache NiFi, Parquet and S3-compatible storage, integrating REST APIs on OpenShift/Kubernetes. Hybrid work around Bristol and MOD sites in Wiltshire; UK DV (or EDV) clearance is essential. Pays £55–60/hour with a condensed 3-day week paid as 5.
Java Engineer: WebLogic & Oracle in Enterprise Hybrid
Contract Java engineer joining an enterprise team to maintain live internal applications — keeping critical services running, supporting batch processing, and delivering controlled changes using Java, WebLogic, and Oracle. Hybrid role with two days on-site per week in the Telford area; 6-month rolling contract at £450/day, BPSS clearance required.
SC-Cleared Data Engineer - Remote/Hybrid, Secure Data Pipelines
CBSbutler is seeking an experienced Data Engineer to join a major UK public sector programme, delivering secure, modern data platforms that support digital transformation and emerging AI capabilities. You will build…
Senior Java Engineer - AI-Driven Backend, Hybrid
CBSbutler is seeking a Senior Java Engineer to join a major HMRC-driven Tax Administration Modernisation project. The position is hybrid with 2 days onsite in Telford, and up to 3 days remote. You will contribute to…