Lead Backend Engineer and Product Designer

Role Title

Lead Backend Engineer and Product Designer

Work site

Remote/ New York, New York

Employment Type

Part Time

Job Level

Professional

Posted Date

March 12th, 2026

About Us:

SmartPredictions “The Firm” is a startup tech company based in New York City. Smart Predictions' official business purpose is to operate the world's first finance focused prediction market, enabling users to trade on the outcomes of future events.

Users buy and sell shares in specific real-world event outcomes, with resulting prices representing the market's collective probability assessment. This leverages the "wisdom of the crowd"—the concept that prediction markets often provide more accurate forecasts than traditional expert analysis by financially incentivizing accurate information aggregation.

In essence, Smart Predictions' is a decentralized marketplace for real-money forecasting on financial events, combining trading infrastructure with information services to generate market-based predictions.

Role Profile and Key Responsibilities: • This individual will join a small growing team of high performers with a proven record of executing on The Firm's strategy. • The Firm is looking for a backend engineer to help build and scale the core exchange infrastructure that powers our markets. This role is focused on high-performance, low-latency backend systems that must be correct, fast, and resilient under real-world trading load. • This role is focused on high-performance, low-latency backend systems that must be correct, fast, and resilient under real-world trading load. • The ideal candidate will have a demonstrated record of critical thinking, perform analysis, and partnering with other stakeholders to solve complex issues

Skills and Experience Required:

Liquidity Pool Powered Exchange: • 3–7+ years of professional backend development experience, with strong proficiency in C/C++ (preferred) or another systems language (Go, Rust, Java). • For smart contract: Solidity for Ethereum & EVM chains (Polygon, BSC, Avalanche). Other tools/libraries include: web3.js or ethers.js - Connect frontend to Ethereum blockchain • Hardhat or Truffle - Smart contract development & testing (Ethereum) • Anchor - For Solana development • GraphQL/REST APIs - For backend data queries • Solid understanding of algorithms, data structures, concurrency, memory management, and experience building low-latency, high-throughput systems. • Comfortable working on complex systems end-to-end, debugging production issues on Linux and taking responsibility for correctness and performance. • (Plus) Experience in trading systems, HFT, gaming, telecom, or other latency-sensitive domains

Web and App Product Design: • Programming languages: HTML, CSS, JavaScript (React, Next.js, Angular, etc.), Python, Java, C#. • Platforms for hosting and deployment: Amazon Web Services (AWS), Firebase, and various web servers like Apache and NGINX. • Tools for design and prototyping: Figma is a popular choice for collaborative interface design

Intangibles • Detail and results-oriented individual • Proven ability to juggle multiple projects at the same time; comfortably managing to tight deadlines and changing priorities • Self-starter with a passion to deliver results • Strategic thinker with strong analytical and problem-solving skills • Strong communication skills, including written and verbal communications • Excellent interpersonal skills, including collaborative work style and professional maturity

Benefits: • Competitive Salary $75000 - $150000 • Flexible Working Hours • Unlimited PTO • Potential for Equity

How to Apply: • Serious applicants please send an email to kjwalker2798@gmail.com with your resume and why you are interested in the position.

Pay: $75,000.00 - $150,000.00 per year

Work Location: On the road