Real-Time Power Trading Front Office Engineer

Castleton Commodities; City of London; On-site; GBP 80,000 - 100,000; Full time

Job summary

A leading global energy commodities firm is seeking a Front Office Software Engineer in London. This role involves building real-time trading applications and analytics platforms to support traders in fast-moving power markets. Candidates should have over 10 years of Python experience and a strong background in real-time energy market environments. The position offers competitive benefits and a dynamic working atmosphere.

Benefits

Competitive comprehensive medical benefits

Employee assistance & wellness programs

Tuition assistance & reimbursement

Competitive paid time off

Continued learning opportunities

Qualifications

• 10+ years of professional Software Engineering experience in Python.
• 5 years supporting Intraday Short-Term Power trading or similar environment.
• Strong foundation in data structures, algorithms, and software design.

Responsibilities

• Partner with traders to engineer and optimize trading processes.
• Build and maintain high-performance Python services and APIs.
• Develop solutions for supply and demand models and market analysis.

Skills

Python

Software Engineering

SQL

Cloud-native architecture

Real-time analytics

DevOps practices

Problem-solving

Communication

Education

Bachelor’s degree in Computer Science, Engineering, Mathematics, or related field

Tools

Docker

AWS

Snowflake

Linux

Windows

Job description

A leading global energy commodities firm is seeking a Front Office Software Engineer in London. This role involves building real-time trading applications and analytics platforms to support traders in fast-moving power markets. Candidates should have over 10 years of Python experience and a strong background in real-time energy market environments. The position offers competitive benefits and a dynamic working atmosphere.