We’re looking for a passionate Backend Developer to join our growing engineering team. You'll be working on scalable backend systems, collaborating with cross-functional teams, and shipping real products used by thousands of users.Key Responsibilities:Build and maintain the core engine: pricing / market-making, order books and matching,execution, and inventory-risk controls.Research, prototype, and productionize quantitative logic for pricing, order-flow signals,and risk management.Develop simulation and backtesting frameworks; run parameter sweeps and evaluateperformance against historical and synthetic order flow.Implement the real-time delivery path (WebSocket fan-out) and authoritative data-feedingestion, with strict stale-data safety.Contribute to the money-grade double-entry ledger and the settlement flows that dependon it.Define and monitor key risk and performance metrics, and instrument the system so theyare observable in real time.Write correctness-critical, deterministic, well-tested code — with attention to numericalprecision and edge cases — and keep a reference test suite green in CI.Collaborate across engineering, product, and infrastructure to take work from spec toproductioninistic, test-covered code.RequirementsStrong backend engineering and computer-science fundamentals: data structures,algorithms, concurrency, and performance/latency awareness.Proficiency in Python / TypeScript / Node.js — or strong adjacent experience and theappetite to be fully productive in TypeScriptA solid quantitative foundation: probability, statistics, and numerical methods.Experience with relational databases (PostgreSQL) and event-driven or streamingarchitectures.A habit of proving correctness with tests, and a fail-safe mindset — when something iswrong or unverified, stop rather than continue wrongly.Clear communication with both technical and non-technical stakeholders.Experience in trading, market-making, exchanges, derivatives/options pricing, or predictionmarkets.Knowledge of market micro-structure, order-book dynamics, execution, and adverseselection.Low-latency / real-time systems, WebSockets at scale, and event sourcing / CQRS.Double-entry ledger or payments-platform experience.Cloud at production scale (AWS EKS / RDS), Terraform, and observability (Datadog /Sentry).Simulation / backtesting experience and statistical rigour about what a result does and doesn't mean.BenefitsIn addition to a market competitive compensation, we have a reward philosophy that expand beyond this.Fully remoteOpportunity to work with a truly global teamFlexible timings. You decide your work schedule

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Backend Engineer

Emma

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Mylee Donovan

Mylee Donovan

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