Senior Java Engineer – Greenfield Platform, Hybrid London

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11 roles available (mid to senior level)

Pay rate: Outside IR35 – £600 to £800/day (depending on experience)

Duration: Initial 6–9 months (programme running through to 2027)

Working Arrangement: Hybrid – ~2 days/week in London

A major Financial Services client on a large-scale back-office transformation programme, and we’re looking to onboard 11 Java Developers across mid to senior levels.

You’ll be working on a platform re-architecture programme, building integration services across trade lifecycle, settlement, and reconciliation workflows.

This is a long-term, greenfield initiative with strong technical challenges and a modern engineering environment.

#J-18808-Ljbffr”, “datePosted”: “2026-05-18”, “hiringOrganization”: { “@type”: “Organization”, “name”: “Sanderson”, “sameAs”: “https://uk.whatjobs.com/pub_api__cpl__435628284__4861?utm_campaign=publisher&utm_medium=api&utm_source=4861&geoID=33” }, “jobLocation”: { “@type”: “Place”, “address”: { “@type”: “PostalAddress”, “addressLocality”: “London” } } }
Company: Sanderson
Apply for the Senior Java Engineer – Greenfield Platform, Hybrid London
Location: London
Job Description:

11 roles available (mid to senior level)

Pay rate: Outside IR35 – £600 to £800/day (depending on experience)

Duration: Initial 6–9 months (programme running through to 2027)

Working Arrangement: Hybrid – ~2 days/week in London

A major Financial Services client on a large-scale back-office transformation programme, and we’re looking to onboard 11 Java Developers across mid to senior levels.

You’ll be working on a platform re-architecture programme, building integration services across trade lifecycle, settlement, and reconciliation workflows.

This is a long-term, greenfield initiative with strong technical challenges and a modern engineering environment.

#J-18808-Ljbffr…

Posted: May 18th, 2026