Senior Front End Developer - JS React

Interested in EnergyTech or TradingTech?

We have a great opportunity for a Snr Engineer, to help build a cutting-edge modelling platform for traders, risk managers and analysts. In turn helping to deliver insights, forecasts, valuations, and optimisation at scale.

As a

Senior React Engineer

, you’ll play a key role in crafting adaptive UIs, real-time interactions, and future-proof tools in an ever-evolving environment. Join a team where innovation, adaptability, and impact define the culture.

Your impact:

Lead the design & development of UIs for our Trading & Risk Modelling platform (cloud-based). Deliver elegant, responsive UIs using advanced React patterns. Migrate existing tools (Excel, internal frameworks) into modern apps. Harness RxJs & Context API for powerful state management. Build real-time communication between backend & frontend. Ensure robustness via testing & embrace CI/CD and DevOps. Bring your ideas & expertise to shape reliable, scalable products.

What you bring:

~5–8 yrs React (Context API, RxJs), cloud CI/CD experience. ~ Strong background in trading/modelling tools (finance, energy, hedge funds). ~ Agile mindset, excellent communication, English proficiency (C1 +). ~ Bonus: Redux/MobX, backend skills, testing (Cypress, Playwright).

Based in Madrid (hybrid up to 60% from home). Offering impact, growth, balance, and good social benefits, as well as a strong reputation for consistently high bonuses.

If this sounds appealing, we’d love you to apply. Those already in Spain but requiring continued sponsorship, this can be facilitated.

Salary

: up to €70k plus generous bonus (up to 20%)