Associate, Front Office Software Engineer

Location: Greater London

## Associate, Front Office Software Engineer Apply locations:
London, UKtime type:
Full time posted on:
Posted Todayjob requisition :
R1316

Castleton Commodities International () is a global leader in energy commodity trading and asset investment. Our Data Science & Technology team is central to our success, engineering the high-performance systems and innovative tools that power our commercial decision-making. We build the platforms that help our front-office teams understand market behavior, forecast price movements, and manage risk.
Our team solves complex, high-impact challenges using a modern technology stack. We develop everything in cloud-native infrastructure from real-time analytics to back testing engines, third party integrations, and internal libraries, all designed to give CCI a competitive edge in the global commodities markets. This role is an opportunity to build solutions that have a direct commercial impact from day one.
** Responsibilities:
*** Partner directly with traders and analysts to engineer and optimize trading processes, analytical models, and systematic strategies.
* Build and maintain scalable, high-performance Python services and APIs that power our analytics platform.
* Develop solutions to support supply and demand models, market data analysis, and strategy research.
* Design and implement cloud-native tools, including real-time analytics, visualization interfaces, and workflow automation, that integrate seamlessly into our Front Office platform.
*
* Qualifications:

*** Bachelor's or Master's degree in Computer Science or a related STEM field.
* 0-3 years of professional software engineering experience (talented new graduates are encouraged to apply).
* Strong foundation in computer science fundamentals, including data structures, algorithms, and software design principles.
* Proficiency in Python for backend development (services, APIs, data processing).
* Prior experience developing front-end applications utilizing React, Angular, Type Script is preferred.
* Excellent problem-solving and analytical skills with strong attention to detail.
* Strong communication skills, with the ability to collaborate effectively with both technical and commercial teams.
* Must be able to work effectively in a fast-paced, dynamic and high-intensity environment including open-floor plan if applicable to the position, with timely responsiveness and the ability to work beyond normal business hours when required.
*
* Preferred Qualifications:

*** Familiarity with cloud platforms (e.g., AWS) and data warehousing solutions (e.g., Snowflake).
* Experience working in a Linux/Unix environment.
* Knowledge of Dev Ops practices and CI/CD pipelines.
* Prior exposure to or a demonstrated interest in finance, quantitative trading, or the commodities markets.
** Employee Programs & Benefits:
** CCI offers competitive benefits and programs to support our employees, their families and local communities. These include:
* Competitive comprehensive medical, dental, retirement and life insurance benefits
* Employee assistance & wellness programs
* Parental and family leave policies
* CCI in the Community:
Each office has a Charity Committee and as a part of this program employees are allocated 2 days annually to volunteer at the selected charities.
* Charitable contribution match program
* Tuition assistance & reimbursement
* Quarterly Innovation & Collaboration Awards
* Employee discount program, including access to fitness facilities
* Competitive paid time off
* Continued learning opportunities

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