Senior Backend Engineer | Prediction Markets | Remote USA | Strong Base & Equity.

About the Company

Our client is an exciting new venture operating at the intersection of prediction markets, trading, and technology. Backed by a tier-one industry operator and led by a team of highly respected market veterans, they are building next-generation market-making and trading infrastructure designed for high performance, scalability, and rapid innovation.

This is a rare opportunity to join a well-funded startup from the ground floor, working alongside an experienced team in a remote-first environment where engineers are trusted to make a meaningful impact from day one.

The Opportunity

As a Senior Software Engineer, you will play a key role in designing and building the core systems that power the firm’s prediction market trading platform.

This includes exchange connectivity, market data infrastructure, order routing, risk controls, and other critical trading services.

You will be part of a lean, highly technical team focused on solving complex engineering challenges in a real-time, data-intensive environment.

Key Responsibilities

• Design and develop low-latency backend services using C#/.NET
• Build and maintain exchange gateways utilizing FIX, WebSocket, and REST protocols
• Develop systems for market data ingestion, order routing, execution, and risk management
• Contribute to the design of trading domain models including orders, fills, positions, risk, and P&L
• Work with Kafka, Redis, and PostgreSQL to build resilient, high-throughput systems
• Create tooling and automation solutions using Python
• Ensure services are observable, reliable, and production-ready
• Participate in code reviews, testing, and architectural discussions
• Collaborate closely with trading, infrastructure, and product stakeholders

Requirements

• 7+ years of backend software engineering experience
• Strong commercial experience developing applications in C#/.NET
• Solid Python skills for automation, tooling, and integrations
• Experience building distributed, event-driven, or streaming systems
• Hands-on experience with Kafka (or similar messaging technologies), Redis, and relational databases
• Strong understanding of concurrent programming and high-performance system design
• Experience working with FIX, WebSocket, and REST-based integrations
• Ability to thrive in a fast-moving startup environment with a high level of ownership
• Passion for leveraging AI tools to improve productivity and engineering workflows

Desired Background

The ideal candidate will bring experience or strong personal interest in one or more of the following:

• Sports betting
• Trading platforms
• Prediction markets
• Financial markets or exchanges
• Market-making environments
• Risk and quantitative trading systems

Candidates with relevant side projects, research, or personal trading-related interests are encouraged to apply.

Nice to Have

• Experience supporting real-time UI requirements
• Exposure to market-making, quantitative research, or trading workflows
• Performance optimization, profiling, and GC tuning experience
• Experience working on latency-sensitive systems

What’s on Offer

• Fully remote working environment
• Opportunity to join an early-stage, well-funded venture
• Work alongside proven industry leaders and trading experts
• High degree of ownership and technical autonomy
• Challenging engineering problems within a rapidly growing market sector
• Competitive compensation package including equity potential

Apply for Senior Backend Engineer | Prediction Markets | Remote USA | Strong Base & Equity. directly via Pentasia.