Quant Developer

Location: Flexible/Hybrid – London or Madrid office presence expected when needed

Department: Engineering & Quantitative Research

Reports to: Head of Engineering

Hi, we’re Sparta Commodities!

Sparta is the next-generation platform for financial data, information, and insight in trading. Built for traders by traders, our technology brings together real-time market data with actionable insight and advanced analytics, helping commodity professionals make better decisions faster and with more conviction.

Following strong market traction and substantial venture backing, Sparta is scaling globally. We’re building a team of talented, ambitious, and mission-driven people—and looking for an exceptional Quant Developer to join us in redefining commodity trading intelligence.

Although we work flexibly, we would expect this role to spend time in our London or Madrid offices when needed.

About the Quant Developer Opportunity

As a Quant Developer at Sparta Commodities, you will work in a cross-functional environment at the intersection of quantitative research, technology, and product. You will be building, optimising, and maintaining data-driven models that power our real-time analytics platform. This is a hands-on, high-impact role ideal for someone passionate about engineering elegant solutions to complex quantitative problems in financial trading.

Key Responsibilities – Quantitative Analytics & Software Engineering

• Design, implement, and maintain robust, scalable algorithms and financial models in production systems.
• Collaborate with data scientists, quantitative researchers, and engineering teams to deliver innovative trading tools and analytics.
• Optimise performance and reliability of quantitative processes across the platform.
• Integrate diverse sources of financial and market data to enhance model accuracy and coverage.
• Prototype, backtest, and validate new trading signals and strategies with a practical focus on real-world use cases.
• Write clean, efficient, and well-documented code – championing best practices in software and data engineering.
• Contribute to product development from concept through to delivery, shaping user-facing features that leverage quantitative insights.

About You – Quantitative Developer Skills & Experience

• 3+ years of experience in quantitative development, preferably within finance, commodities, or trading technology.
• Proficiency in Python (NumPy, pandas, SciPy); familiarity with C++ or Rust is a plus.
• Strong experience with time series data, statistical modelling, and numerical optimisation.
• Solid understanding of financial markets, trading concepts, and quantitative methods.
• Experience developing production-quality code, including testing, version control, and code reviews.
• Familiarity with cloud computing environments (AWS, Azure, or GCP) and containerised deployments (Docker, Kubernetes) is beneficial.
• Excellent problem solving, collaboration, and communication skills.
• Driven by curiosity and a desire to deliver impact through technology and quantitative research.

Bonus Points

• MSc or PhD in Mathematics, Computer Science, Physics, Engineering, or a related field.
• Experience with machine learning frameworks (scikit-learn, TensorFlow, PyTorch).
• Background in commodities or energy markets.
• Open-source contributions or research publications in quantitative finance.

Why Join Sparta as a Quant Developer?

• Equity in a high-growth, VC-backed company
• $42M in Series B funding—strong market traction and investment
• Early-stage growth—build your career as we scale
• Market-leading product—we are redefining energy trading intelligence
• Top-tier tools and technology to support your success

Our Values

• Just own it: Take ownership of your work, challenges, and successes.
• Don’t get too comfortable: Embrace change and seek new challenges beyond your comfort zone.
• Ask for forgiveness, not permission: Take initiative, be proactive, and learn from mistakes.
• Put the customer at the heart of every action: Go the extra mile to understand and meet customer needs.
• Stay hungry, yet humble: Pursue knowledge and growth, but value empathy and humility.
• Collaborate and challenge: Fuse perspectives, challenge norms, and achieve collective greatness.

Sparta Commodities is proud to be an equal opportunity employer and promotes diversity within its workforce. We are determined that suitably qualified persons will never receive less favourable treatment on the grounds of gender, age, disability, religion, belief, sexual orientation, marital status, race, veteran status or any other basis covered by appropriate law.