About the Role

We’re looking for a Senior Developer/Tech Lead who thrives on solving complex technical problems and enjoys leading a team working on performance-critical systems.

This is a fully remote position, offering flexibility while working on a product that processes massive real-time data streams and delivers high-end visual analytics. Please note that our team works in GMT+2/3 hours so your timezone should be compatible

What You’ll Do

Design and develop high-performance desktop applications
Tackle complex challenges in algorithms, data structures, and concurrency
Optimize systems for speed and efficiency under heavy data loads
Lead and mentor a team of engineers
Contribute to architectural decisions and technical direction

What We’re Looking For

8+ years of experience in Java development
Strong fundamentals in algorithms, data structures, and multithreading
Experience with performance optimization
Leadership mindset or experience leading teams
Solid English communication skills

Nice to Have

Background in competitive programming (ACM, ICPC, Olympiads, etc.)

What Makes This Role Unique

Focus on desktop application development (no Spring, no off-the-shelf databases)
Work on systems handling hundreds of thousands of events per second

What We Offer

100% remote work with flexible setup
Paid annual and sick leave
Budget for equipment and software (scaled with tenure)
Sponsored training and English lessons
Collaborative, international team environment

Hiring Process

The first step to our process is a paid technical task:

Takes ~90 minutes on average
Please do not use AI
Compensation: $100 (upon successful completion and interview participation)
Focus on performance and correctness

You’ll receive a pass/fail result, and successful candidates will move forward in the process.

About Bookmap

Bookmap is a leading high-performance visualization and trading platform that transforms how market data is understood.

Our platform is widely used across major exchanges, including CME, Eurex, Nasdaq, and crypto markets.

Senior Developer/Tech lead (Java)