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Harrington Starr
Senior ETRM Developer

Senior ETRM Developer

Hybrid

London, United kingdom

£ 1,400 /day

Senior

Freelance

09-03-2026

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Skills

Java C# SQL .NET Kafka

Job Specifications

£1000–£1400 per day | Central London (3 days per week) | Inside IR35

Senior ETRM Developer – Endur (JVS / OpenComponents)

You'll be joining one of the most technically forward-thinking ETRM teams in the industry – driving design and delivery of a highly integrated Endur platform across front-to-back energy trading functions.

What’s key here:

You must have strong hands-on Endur dev experience, either with JVS or OpenComponents (Java).
Solid understanding of the trade lifecycle, strong technical troubleshooting, and the ability to interface with front-office users.
This is a delivery-focused role – they’re not hiring consultants, they want problem-solvers who can build.

You’ll be responsible for:

Owning Endur development workstreams from design to production release
Driving platform enhancements and new builds across STP, PnL, and risk
Managing technical support and resolving live incidents (hands-on)
Leading discussions with the business and on/offshore teams
Building and supporting custom web interfaces, APIs, and backend integrations

What you’ll need:

Expert-level Endur experience – JVS or OpenComponents (Java)
Hands-on Java engineering skills - .Net or C# are transferable
Strong SQL / Oracle skills
Familiar with key tech: REST APIs, Kafka, DMS, Crystal Reports, Tomcat
A good grasp of the ETRM lifecycle: Trading, Risk, Ops
Independent mindset – someone who can own delivery and get it done

To apply – click the link provided or for a faster response, email

Barry.Ansell@HarringtonStarr.com

About the Company

Harrington Starr is a multi-award winning financial technology recruitment business based in London, Belfast and New York City. Founded in 2010, we are specialists in technology, change & transformation and sales recruitment and have helped clients and candidates across 5 continents. Our diverse range of clients include banks, hedge funds, vendors, service providers, payment providers, asset managers, start-ups, disruptors and many more. The one thing they have in common though is that they trust Harrington Starr with their... Know more