£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)
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
Bonus points for Python skills and experience building WebApps
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