sparta-commodities - Senior Backend Engineer
Requirements
• Data-intensive applications at scale. • Building and interpreting observability - metrics, logging, tracing. • Working within or alongside DevOps, SRE or infrastructure teams. • Complex distributed environments - high throughput, low latency, large datasets. • Any exposure to commodities, energy or financial markets. Useful, but we’ll teach you the domain.
Responsibilities
• Design, build and maintain the backend services behind our real-time and analytical data processing. • Own features end to end, from shaping the approach to running them in production. • Optimise pipelines and services for low latency, high throughput and scale. • Work with engineers, product and stakeholders to stay aligned on direction. • Contribute to design reviews with a clear view on the trade-offs. • Keep your services healthy - observability, feedback loops, incident response. • Raise the bar around you through code review, pairing and knowledge sharing.
Benefits
• At Sparta, our culture is built on innovation, collaboration, and high performance. We thrive in a fast-paced environment where initiative is celebrated, challenges are embraced, and impact is rewarded. • 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 commodity trading intelligence • Top-tier tools and technology to support your success • WHAT'S THE CULTURE LIKE AT SPARTA? • At Sparta, our culture isn't just a set of values on a wall — it's how we work. We embrace a dynamic environment where initiative is celebrated, challenges are met head-on, and innovation thrives. You'll collaborate with people who are passionate about our mission and committed to building outstanding products and outcomes for our customers. • THE SPARTA CODE • Understanding is non-negotiable • Understanding leads to believing. Believing leads to winning. • The 'why' is the difference between compliance and conviction. Before we execute, we ask: why does this matter, who does it serve, what changes if we win? People who understand the mission don't need to be managed. • Ask for forgiveness, not for permission • Most decisions are reversible. Most fears are not. • 90% of decisions are reversible. Make them, ship, iterate. Perfection is the enemy of efficiency. Bias for action means moving before you have all the answers, but it isn't recklessness. The rule: tell the rest of us what you did, what changed, what you learned. • Fall in love with the problem • The mission wins. Your idea doesn't have to. • Solutions flatter our ego. They feel like progress. But solutions without problems are opinions, and opinions don't move customers, markets, or teammates. The goal is to find what's true, not to win the room. If your idea gets killed because a better one comes along, that's the system working. • It's your fault. Lucky you. • If it's on you, it's in your control. • True ownership sounds harsh until you feel how liberating it is. If every problem is yours, you stop spending energy on who to blame and start spending it on how to fix it. Effective leaders default to 'it's on me'. Not out of guilt, but out of agency. • Conflict is a gift • Honesty is an expression of care. • Withholding feedback is choosing comfort over growth, yours and your colleague's. Staying silent deprives others of the chance to learn. We challenge openly and with positive intent. Done with care, this builds trust. Done with ego, it destroys it.
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