CBSbutler Holdings Limited trading as CBSbutler
Open positions
Python Application / DevOps Engineer
Application DevOps Engineer - Python London - Hybrid Permanent - £85K - £100K + Bonus + Full Benefits Financial Services Firm is hiring for an experienced Python Application DevOps Engineer to join a high-performing…
KDB+/q and Python Developer
Recruiter CBSbutler is hiring a permanent, hybrid KDB+/q and Python Developer in London (£85K–£115K) for a client's technology team. The role focuses on building and optimising high-performance, data-driven applications, time-series data pipelines, and query performance, ideally with financial services or capital markets experience.
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 – Modernisation Tech Lead (Onsite Telford)
CBSbutler is hiring a Lead Java Engineer for a 12-month modernisation programme in Tax Administration in Telford, onsite 2 days per week at 75-79 GBP/hour (Inside IR35, PAYE). The tech lead owns low-level designs, drives delivery of scalable Java services, and mentors engineers alongside architects and QA leads.
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…
Senior Linux and DevOps Engineer - Onsite Reading DV
CBSbutler Holdings Limited trading as CBSbutler is seeking an experienced Linux Subject Matter Expert to join a high-profile technical environment onsite in Reading. You will provide senior-level expertise across Linux…
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…
Hybrid London: Python DevOps Engineer - Bonus & Benefits
CBSbutler Holdings Limited trading as CBSbutler is seeking an experienced Application DevOps Engineer to join our London team on a hybrid, permanent basis. The role focuses on Python automation, production stability…
Python DevOps Engineer: Automation, Reliability & CI/CD
CBSbutler is recruiting an experienced Python Application DevOps Engineer to join a hybrid London-based team. The role focuses on Python automation, production stability, and continuous improvement within a high-volume…
Java Engineer - Market Data
Java engineer to modernise a futures algorithmic trading platform by migrating its market data layer from the legacy LSEG/Refinitiv RFA API to RTSDK - analysing existing data usage, updating Java applications and shared frameworks, and safeguarding performance via automated/regression testing. London hybrid (3 days/week), £85K-£110K permanent.
Remote DevOps Engineer – Python & Go Specialist
CBSbutler Holdings Limited trading as CBSbutler is seeking an experienced DevOps Engineer with strong Python skills for a remote, government-facing project. The role focuses on Python development, Go, AWS, Kubernetes…
DevOps Engineer - SC Cleared
Senior DevOps Engineer - AWS | Terraform | Jenkins | SC Cleared We're looking for Senior DevOps Engineers to join a public sector programme, working fully remotely on a long-term engagement. Role Details Role: Senior…
DevOps Engineer - Python Specialist
DevOps Engineer - Python Specialist Remote £640 per day inside ir35 Active SC clearance required - single nationality We're looking for an experienced DevOps Engineer with strong Python development skills to join a…
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.