Lead Java Engineer // Crypto // Hybrid

An institutional cryptocurrency exchange is seeking a Lead Software Engineer to join their engineering team in Chicago. This full-time role offers the opportunity to design and deliver the next-generation digital asset trading platform. This purpose-built marketplace combines the efficiency of modern crypto infrastructure with the rigor and safeguards of traditional financial markets. As Lead Engineer, you will be responsible for architecting scalable backend systems, driving the delivery of critical features, and mentoring fellow engineers in a fast-paced, high-impact environment.

This is a unique opportunity to contribute to the development of a marketplace from the ground up, backed by both institutional-grade standards and the innovation of a growth-stage company. We are looking for an engineer with a proven track record of building reliable, performant systems who thrives in technical leadership roles. The position offers significant exposure to the rapidly evolving digital asset ecosystem, with the ability to influence core technology decisions and advance your expertise while shaping the foundation of a transformative platform.


Required Skills & Experience

• 6+ years in a professional software engineering environment
• Strong background in backend systems, REST APIs, and microservices
• Proficiency with Java/Kotlin and Spring Boot
• Excellent understanding of algorithms, data structures, and performance optimization
• Experience debugging across multiple codebases
• Proven leadership in mentoring and guiding other engineers

Desired Skills & Experience

• Relational databases (Postgres)
• Messaging frameworks (RabbitMQ, Kafka, SQS)
• Websockets (Stomp, etc.)
• Cloud hosting experience (AWS or GCP)
• Startup mindset — adaptable, curious, and eager to wear many hats

What You Will Be Doing
Tech Breakdown

• 70% Backend development (Java/Kotlin, Spring Boot, REST APIs)
• 20% Cloud, infrastructure, and messaging frameworks
• 10% Mentorship and code reviews

Daily Responsibilities

• 70% Hands-on coding and architecture
• 20% Team leadership & mentorship
• 10% Cross-team collaboration with product and stakeholders

The Offer

• Bonus eligible

You will receive the following benefits:

• Medical, Dental, and Vision Insurance
• Vacation Time
• Stock Options

Applicants must be currently authorized to work in the US on a full-time basis now and in the future.

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