Job Description

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 Dallas, New York, San Diego, St Louis, Switzerland, India, Australia, Singapore, Canada and Poland. Javelin was founded in 2015 and now operates across 100 countries and six continents with respect to more than 20 different commodities across thermal coal, metallurgical coal, iron ore, steel scrap, metals, hydrocarbons, freight, softs, and renewables.

Established in 2015, Javelin employs over 180 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. Discover more at .

The Role

We're looking for a Software Engineer to join our newly established power trading team, based in Dallas. This is a hands-on role, ideal for a collaborative team player with the ability to work with all levels of management. In this position you will provide direct software engineering and support to our trading desk, leveraging a deep understanding of energy trading practices and processes .

The Software Engineering team is a central part of Javelin that delivers and maintains the trading and risk management software systems. This role resembles a Front Office Developer role at an investment bank or hedge fund. The team’s responsibilities span the full scope of our business, supporting everything from front-office trading activities to back-office logistics, accounting, financing, and operations.

Key Responsibilities Include:

• Design, develop, test, and deploy software applications and systems that facilitate commodities trading activities, including risk management, and market data processing. Working with traders and operators to define needs.
• Write clean, scalable, and maintainable code (primarily Python 3)
• Work closely with traders and quantitative analysts to understand trading strategies and requirements.
• Ensure data integrity, performance optimization, and efficient data retrieval for analytics and reporting.
• Comfortable in leading projects, tracking progress, and ensuring timely delivery.

Skills and Experience Required:

We believe in hiring diverse candidates with a passion for working in a flexible and closely knit company. We are a small team with a wide range of expertise and will provide immersive on-the-job training in both software development and the business.

• 3+ years of commercial back end or full-stack development in any language.
• Experience with North American power markets
• Experience with building, testing, deploying applications
• Experience with excel, including the use of statistical functions, and a good command of VBA.
• Data Onboarding; experience working with providers to onboard data to internal platforms and APIs
• Software development experience in Python will be helpful.
• We value passion and willingness to learn with a determined and resilient personality. So if you don’t have all of the skills above, we would still like to hear from you!

Our Tech Stack:

• Front end: Glint (React)
• Backend: Python,
• Data: MongoDB, Postgres, integration through APIs, FTPs, REDIS, Kafka etc)
• Infrastructure: AWS & Elastic compute engines
• Connected Systems : SQL / .NET/

• Annual discretionary bonus
• 20 days holiday
• Company 401K scheme
• Private medical, vision and dental scheme with a range of additional insurances and wellbeing benefits

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