Senior Front Office Software Engineer in London

Senior Front Office Software Engineer in London

London Full-Time 36000 - 60000 ÂŁ / year (est.) No home office possible
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At a Glance

  • Tasks: Engineer high-performance systems and optimise trading processes with cutting-edge technology.
  • Company: Global leader in energy commodity trading with a focus on innovation.
  • Benefits: Comprehensive medical, dental, retirement benefits, and tuition assistance.
  • Why this job: Make a direct impact on trading strategies and market analysis from day one.
  • Qualifications: Strong programming skills, especially in Python, and knowledge of SQL.
  • Other info: Dynamic work environment with opportunities for community involvement and career growth.

The predicted salary is between 36000 - 60000 ÂŁ per year.

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 behaviour, 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 backtesting 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.

What You Build

  • Partner directly with traders and analysts to engineer and optimize trading processes, analytical models, and systematic strategies.
  • Build and maintain robust, performant Python‑based 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.

What You Bring

  • Strong professional experience in any programming language (Python would be a plus).
  • Good knowledge of SQL and relational database technologies.
  • Familiarity with modern DevOps practices.
  • Exposure to AWS and Snowflake technologies is highly desirable.
  • Prior experience building or working on back testing engines and systematic trading is a plus.
  • Prior experience in energy or commodities trading is a major plus.
  • Ability to communicate effectively across technical and non‑technical audiences.
  • Strong attention to detail, problem‑solving skills, and a passion for technology innovation.
  • 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.

Employee Programs & Benefits

  • 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.

Senior Front Office Software Engineer in London employer: The Cosmo - International School of Southern Denmark

At Castleton Commodities International, we pride ourselves on being an exceptional employer, offering a dynamic work culture that fosters innovation and collaboration. Our employees benefit from comprehensive health and wellness programs, generous paid time off, and opportunities for professional growth through tuition assistance and continued learning. Located in a vibrant environment, our team is empowered to tackle high-impact challenges while making meaningful contributions to the energy commodity trading sector.
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Contact Detail:

The Cosmo - International School of Southern Denmark Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Front Office Software Engineer in London

✨Tip Number 1

Network like a pro! Reach out to folks in the industry, attend meetups, and connect with current employees at Castleton Commodities International. A friendly chat can sometimes lead to opportunities that aren’t even advertised!

✨Tip Number 2

Show off your skills! If you’ve got a portfolio of projects or contributions to open-source, make sure to highlight them during interviews. It’s a great way to demonstrate your expertise in Python and cloud-native solutions.

✨Tip Number 3

Prepare for technical interviews by brushing up on your SQL and DevOps knowledge. Practice coding challenges and be ready to discuss how you’ve tackled complex problems in past roles. We want to see your problem-solving skills in action!

✨Tip Number 4

Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you’re genuinely interested in joining our team at CCI!

We think you need these skills to ace Senior Front Office Software Engineer in London

Python
SQL
Relational Database Technologies
DevOps Practices
AWS
Snowflake
Backtesting Engines
Systematic Trading
Energy Trading
Commodities Trading
Communication Skills
Attention to Detail
Problem-Solving Skills
Technology Innovation
Adaptability

Some tips for your application 🫡

Tailor Your CV: Make sure your CV is tailored to the Senior Front Office Software Engineer role. Highlight your experience with Python, SQL, and any relevant technologies like AWS or Snowflake. We want to see how your skills align with what we do!

Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you're passionate about energy trading and how your background makes you a great fit for our team. Keep it engaging and personal – we love to see your personality come through!

Showcase Your Projects: If you've worked on any relevant projects, make sure to mention them! Whether it's building APIs or developing analytical models, we want to know what you've done and how it relates to the role. Concrete examples can really make your application stand out.

Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way to ensure your application gets into the right hands. Plus, it shows us that you’re genuinely interested in joining our team at Castleton Commodities International!

How to prepare for a job interview at The Cosmo - International School of Southern Denmark

✨Know Your Tech Stack

Make sure you’re well-versed in the technologies mentioned in the job description, especially Python, SQL, and any cloud services like AWS. Brush up on your knowledge of relational databases and be ready to discuss how you've used these tools in past projects.

✨Showcase Your Problem-Solving Skills

Prepare examples of complex challenges you've tackled in previous roles, particularly those related to trading processes or analytics. Be ready to explain your thought process and the impact of your solutions on the business.

✨Communicate Clearly

Since you'll be working with both technical and non-technical teams, practice explaining your projects in simple terms. This will demonstrate your ability to bridge the gap between different audiences and highlight your communication skills.

✨Demonstrate Your Passion for Innovation

Share your enthusiasm for technology and innovation during the interview. Discuss any personal projects or continuous learning efforts that showcase your commitment to staying ahead in the tech field, especially in relation to energy and commodities trading.

Senior Front Office Software Engineer in London
The Cosmo - International School of Southern Denmark
Location: London

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