CBSbutler Holdings Limited trading as CBSbutler

Data Pipelines Linux Python SQL Time Series +1 skills

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

Open 28d 4 weeks ago13 viewsLead

Shrewsbury

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.

Open 28d 4 weeks ago15 viewsLead 75 – 79 £ / hr

Lead Java Engineer – Modernisation Tech Lead (Onsite Telford)

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.

Open 28d 4 weeks ago18 viewsContractLead 75 – 79 £ / hr

Lead Java Engineer

Java Kubernetes React Spring

Shrewsbury

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.

Java Engineer - Market Data & RTSDK Migration (Hybrid)

Open 33d last month7 views

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…

Open 35d last month13 viewsContract 85K – 110K £

Java Engineer - Market Data

AI API Integration Testing Java TDD +1 skills

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.

Java Developer - Remote

Open 42d last month20 viewsContract 475 – 525 £ / day

Agile API AWS Azure CI/CD +20 skills

Remote contract Java developer (6 months rolling, inside IR35, SC clearance required) on a UK Home Office project, building secure, scalable Java applications and services. Day to day: designing, developing and deploying Spring Boot services, REST APIs and microservices, working with SQL databases across the full lifecycle.

Remote Java Developer - Spring Boot & Microservices

Open 42d last month14 views

API Java Microservices REST Spring

An experienced Java developer joins a remote team building secure, scalable Java applications and services for a UK Home Office project. Day to day covers the full lifecycle — design, development, testing, deployment and optimisation — using Java, Spring Boot, REST APIs and microservices.

Enterprise Java Engineer: WebLogic, Oracle, Kubernetes

Open 42d last month14 views

Open 44d 2 months ago10 viewsContract 450 – 450 £ / day

Telford

CBSbutler is hiring a Java Engineer for a hybrid role in Telford to develop, operate and support WebLogic and Oracle SQL-based enterprise applications — keeping critical live services running, supporting batch processing and managing controlled changes; Kubernetes is also named in the stack.

Java Oracle SQL Weblogic

Java Engineer: WebLogic & Oracle in Enterprise Hybrid

Shrewsbury

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.