Haystack
Java Developer
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The Role
Develop and operate an off-exchange trading system and products
Maintain and extend a JVM-based networking platform
Integrate the platform with new trading venues and adapt to new asset classes
Implement new cross-asset pricing features
Contribute to a high-impact role with direct influence on PnL
What You'll Need
Reasons to use Rodeo
Start with a chat, not a search bar
Grad scheme, placement, apprenticeship? Not sure what you want yet — that's fine. Your agent talks it through with you and turns "I have no idea" into a shortlist.
It searches the market for you
Every day your agent scans the market matching roles against what actually matters to you, not just keywords on a CV.
Only hits
No noise. No "maybe this fits." Just roles with a clear explanation of why they're right — and where to focus when applying.
- 3+ years of professional experience writing Java and/or Kotlin
- Strong testing skills and understanding of their importance
- In-depth understanding of modern JVMs, especially for performance optimization
- Highly numerate with fantastic problem-solving skills
- Proactive approach to managing multiple projects
What's On Offer
Get help with your application
Your very own career expert that helps elevate your application to the next level.
- Competitive compensation package including a significant bonus potential
- Flexible working arrangements, including work-from-home options
- Challenging work within a truly flat structure that values all ideas
- Generous benefits package, including health insurance, pension, and onsite amenities
Apply via Haystack today!
“It took my CV and asked me questions relevant to understanding what kind of jobs to suggest for me. Suggestions were almost perfect. Jobs were exactly what I’ve been looking for.”
Jessica, London
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