Senior Software Engineer, Remote — Prediction Markets

Pentasia; United States; On-site; USD 150,000 - 190,000; Full time

Job summary

Pentasia is recruiting for a senior backend engineer to join a fully remote market maker focused on prediction markets. You will design low-latency services, build robust trading infrastructure, and collaborate across infra, trading, and frontend to deliver measurable outcomes.

The role emphasizes strong C#/.NET experience, Python tooling, and data-intensive systems, with an ownership mindset in a fast-moving startup environment. AI-enabled workflows and observability are valued assets.

Qualifications

• 7+ years backend experience with C#/.NET in production
• Proficient Python for tooling and integration
• Experience with Kafka, Redis, and Postgres

Responsibilities

• Design and implement low-latency C#/.NET services for market data ingestion, order routing, and risk controls
• Use Python for research tooling, data prep, or automation
• Integrate with Kafka, Redis, and Postgres with resilience and performance
• Develop domain models for prediction markets (instruments, orders, fills, risk, P&L)
• Build exchange gateways using FIX, WebSocket, and REST with fault tolerance
• Write clean, testable code with reviews, tests, and docs
• Collaborate with infra, trading, and frontend to iterate and deliver
• Instrument services for observability and participate in on-call

Skills

C#/.NET

Python

Concurrency

Event-driven

Data-intensive

Trading systems

Tools

Kafka

Redis

Postgres

Job description

Pentasia is recruiting for a senior backend engineer to join a fully remote market maker focused on prediction markets. You will design low-latency services, build robust trading infrastructure, and collaborate across infra, trading, and frontend to deliver measurable outcomes.

The role emphasizes strong C#/.NET experience, Python tooling, and data-intensive systems, with an ownership mindset in a fast-moving startup environment. AI-enabled workflows and observability are valued assets.