Senior Java Developer (Trading Platform) at Crypto.com

London, England, United Kingdom

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Not SpecifiedCompensation

Senior (5 to 8 years)Experience Level

Full TimeJob Type

UnknownVisa

FinTech, Cryptocurrency, TradingIndustries

Requirements

5+ years of Java backend development experience, preferably in a trading or real-time system environment
Deep understanding of Java core internals, multithreading, memory models, and garbage collection
Proven experience in GC-free or low-GC programming, including use of sun.misc.Unsafe, direct buffers, and memory-mapped files
Familiarity with Aeron, SBE, or other low-latency messaging libraries
Strong grasp of event-driven architecture and experience designing fully deterministic systems
Solid knowledge of time-series and analytical databases like ClickHouse; exposure to kdb+ or InfluxDB is a plus
Experience with distributed systems, message queues, and performance tuning at the network and application layer
Comfortable using AI-powered development tools to enhance code quality and development speed
Strong testing discipline including TDD, benchmarking, and resilience testing
Proficient in English (spoken and written); Chinese or other languages are a plus but not required
Comfortable working in a global team with colleagues across APAC, EMEA, and North America
Strong communication skills; able to interface across all levels from senior leadership to engineers and stakeholders
Able to collaborate effectively with people from different cultural and technical backgrounds, aligning tech decisions with business goals

Responsibilities

Design and develop core backend systems including market connectivity, order routing, execution engine, risk, and position tracking
Implement ultra-low-latency and GC-free components using best practices in lock-free and off-heap programming
Apply event-driven and fully deterministic design principles to ensure traceable and predictable system behavior
Collaborate closely with product and trading teams to translate requirements into performant, production-ready solutions
Participate in performance profiling, JVM tuning, and debugging complex issues in production
Develop and maintain automated test suites and CI/CD pipelines
Engage in code reviews, architecture discussions, and technical audits to ensure high standards across the codebase
Use AI-driven coding tools (e.g., GitHub Copilot or similar) to accelerate development and improve productivity where appropriate

Skills

Java

Python

React

Ag-Grid

Aeron

ClickHouse

Kubernetes

lock-free programming

off-heap programming

event-driven design

JVM tuning

CI/CD

Crypto.com

Cryptocurrency trading and financial services platform

About Crypto.com

Crypto.com provides a platform for trading and managing cryptocurrencies, catering to over 100 million customers worldwide. Users can buy, sell, and store various cryptocurrencies while benefiting from services like transaction processing and card issuance. The platform generates revenue primarily through transaction fees and premium services, ensuring a secure and user-friendly experience. What sets Crypto.com apart from its competitors is its strong focus on regulatory compliance, security, and privacy certifications, which builds trust among users. The company's goal is to accelerate cryptocurrency adoption, aiming to have 'Cryptocurrency in Every Wallet™' and to support builders and entrepreneurs in creating a more equitable digital ecosystem.

Central and Western District, Hong KongHeadquarters

2016Year Founded

$24.3MTotal Funding

SERIES_ACompany Stage

Fintech, Crypto & Web3Industries

5,001-10,000Employees

Benefits

Competitive compensation package.

Huge responsibilities from Day 1: Be the owner of your own learning curve. The possibilities are limitless and depend on you

International company and team

Risks

Regulatory challenges in South Korea could pose compliance risks.

Integration of traditional financial instruments may expose new regulatory risks.

Expansion into Dubai involves navigating complex regulatory landscapes.

Differentiation

Crypto.com offers the world's largest crypto card program with Visa.

The company integrates traditional finance with crypto through strategic acquisitions.

Crypto.com is a leader in regulatory compliance, security, and privacy certifications.

Upsides

Acquisition of Orion expands product offerings in the UAE's crypto-friendly environment.

Growing interest in crypto-based loyalty programs enhances Visa card offerings.

Eco-friendly blockchain solutions align with Crypto.com's sustainability goals.

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