Software Engineer

About Javelin

Javelin Global Commodities is a leading global commodities marketing, trading, logistics services and investment firm with head offices in London and wider global offices in New York, Dallas, San Diego, St Louis, Canada, Switzerland, Poland, Dubai, India, Singapore, China and Australia. Javelin was founded in 2015 and now operates across six continents with respect to more than 20 different commodities across thermal coal, metallurgical coal, iron ore, steel scrap, metals, hydrocarbons, freight, agriculture, and renewables.

Established in 2015, Javelin employs over 200 people and is a unique place to grow your career. We take pride in our values, global reach, meritocratic culture and strong work ethic. Our success over the years has been built on our guiding principles of customer service, creativity, transparency, integrity, and responsibility.

Whilst our footprint grows, we still foster a small-company atmosphere. We have a flat company structure and encourage collaboration across all seniority levels, teams and locations to generate the best ideas. Javelin has a dedicated strategy to support local and meaningful charities through volunteer days, donation matching, a ‘give as you earn’ scheme and other fundraising activities. We are committed to the wellbeing of our colleagues and organise various social evenings, sports clubs and lunchtime activities. Our London office has on-site gym facilities and a golf/sports simulator. Discover more at .

Position Overview

We are looking for an Associate Software Engineer to join our London-based technology team and help shape the systems at the heart of a fast-moving global commodities business.

Sitting at the intersection of commodities trading and technology, this hands-on role offers the chance to work directly with traders, analysts and engineers. You will build and enhance practical software that supports trading, logistics, accounting, financing and operations. This is an excellent opportunity for a collaborative Python developer who enjoys solving real-world problems and wants to develop deep expertise in commodities.

Software Engineering is central to Javelin’s success. The team delivers and maintains the trading and risk-management systems used across the business, from front-office trading to logistics, accounting, financing and operations. You will gain broad exposure to the commodities lifecycle while contributing to technology that has an immediate commercial impact.

Responsibilities

• Design, develop, test and deploy software that supports commodities trading, risk management and market-data processing, working closely with traders and operators to turn business needs into effective solutions.
• Write clean, scalable and maintainable code, primarily in Python 3.
• Partner with traders and quantitative analysts to understand strategies, identify opportunities and translate requirements into robust software.
• Enhance the reliability, performance and usability of applications across trading and operational workflows.
• Own well-defined development tasks from concept to delivery, communicating progress clearly and producing dependable solutions on time.
• Contribute ideas through technical design discussions and code reviews, and help strengthen our testing and software-development practices.

Requirements

• Bachelor’s degree in Computer Science, Engineering or a related field.
• 3 - 5 years of hands-on software engineering experience, with at least 2 years embedded with users delivering production applications in financial services, commodities or comparable enterprise environments.

Benefits

• Annual discretionary bonus
• 25 days holiday
• Company pension scheme (10% company contribution)
• Private medical scheme with a range of additional wellbeing benefits
• Travel insurance
• Income protection
• Life insurance (5x salary)
• Bike2Work scheme including secure storage and showers
• Season ticket loan
• Onsite gym