Software Developer (CDNA)

Medium; City Of London; Hybrid; GBP 70,000 - 90,000; Full time

Job summary

A leading cryptocurrency platform in London seeks a skilled Java Developer to develop low-latency applications and improve performance. You will collaborate with teams to design scalable systems and implement automated testing processes. Ideal candidates should have 5+ years of Java experience, proficiency in concurrency, and a strong background in trading systems. This position offers competitive pay and flexible working arrangements.

Benefits

Competitive salary

Attractive annual leave

Crypto.com visa card upon joining

Qualifications

• 5+ years of Java development experience.
• Strong focus on concurrency and performance optimizations.
• Solid experience in low-latency trading systems.

Responsibilities

• Develop, test, and maintain high-quality, low-latency Java applications.
• Collaborate with cross-functional teams.
• Implement automated testing and performance monitoring.

Skills

Java development experience

Concurrency

Data structures

Low-latency trading systems

System design skills

Spring Framework

Linux environments

Communication skills

Tools

Kafka

Jenkins

Docker

Kubernetes

Job description

Overview

We are a team to design, develop, maintain, and improve software for various ventures projects, i.e., projects that are adjacent to our core businesses and are bootstrapped fast with a lean team. You will be actively involved in the design of various components behind scalable applications, from frontend UI to backend infrastructure. In another bold move, Crypto.com acquired Nadex, and the North American Derivatives Exchange (NADEX) is fully regulated in Chicago as a registered DCO and DCM. NADEX lists innovative capped-risk derivatives contracts on a wide range of global financial markets.

What You\'ll Do

• Develop, test, and maintain high-quality, low-latency Java applications handling millions of requests per day.
• Collaborate with cross-functional teams to design systems that meet business and regulatory requirements.
• Continuously improve system performance and scalability through thoughtful design and optimization.
• Implement automated testing, CI/CD pipelines, and performance monitoring.
• Document system workflows, architecture, and design decisions.
• Participate in peer code reviews and design discussions.

Must-Have Qualifications

• 5+ years of Java development experience.
• Strong focus on concurrency, garbage collection tuning, and low-level performance optimizations.
• Proficient in data structures and memory-efficient design patterns.
• Solid experience in low-latency trading systems, particularly in Order Management Systems (OMS) and Execution Management Systems (EMS).
• Strong system design skills; capable of explaining full system workflows and identifying scalability bottlenecks.
• Skilled at recommending improvements to reduce latency and increase throughput.
• Experience with Spring Framework, and Java build tools (Gradle/Maven).
• Comfortable working in Linux environments and understanding of OS-level behavior.
• Effective communicator and a collaborative team player.

Nice-to-Have Experience

• Cloud technologies (e.g., AWS or Azure)
• Experience with our tech stack and tools – Kafka, Gradle/Maven, Grafana, PostgreSQL, Python
• GC-free system design for ultra-low-latency applications
• Knowledge or hands-on experience with Aeron
• Knowledge or hands-on experience with FIX protocol
• Familiarity with messaging systems such as RabbitMQ or Artemis
• Understanding of financial markets, derivatives pricing, or risk management
• Experience with DevOps tools: Jenkins, Docker, Kubernetes, Ansible

Life @ Crypto.com

Empowered to think big. Try new opportunities while working with a talented, ambitious and supportive team. Transformational and proactive working environment. Empower employees to find thoughtful and innovative solutions. Growth from within. We help to develop new skill-sets that would impact the shaping of your personal and professional growth. Work Culture. Our colleagues are some of the best in the industry; we are all here to help and support one another. One cohesive team. Engage stakeholders to achieve our ultimate goal - Cryptocurrency in every wallet. Work Flexibility Adoption. Flexi-work hour and hybrid or remote set-up. Aspire career alternatives through us - our internal mobility program offers employees a new scope. Work Perks: crypto.com visa card provided upon joining. Are you ready to kickstart your future with us?

Benefits

Competitive salary

Attractive annual leave entitlement including: birthday, work anniversary

Work Flexibility Adoption. Flexi-work hour and hybrid or remote set-up

Aspire career alternatives through us. Our internal mobility program can offer employees a diverse scope.

Work Perks: crypto.com visa card provided upon joining

Our Crypto.com benefits packages vary depending on region requirements, you can learn more from our talent acquisition team.

About Crypto.com

Founded in 2016, Crypto.com serves more than 150 million customers and is the world\'s fastest growing global cryptocurrency platform. Our vision is simple: Cryptocurrency in Every Wallet. Built on a foundation of security, privacy, and compliance, Crypto.com is committed to accelerating the adoption of cryptocurrency through innovation and empowering the next generation of builders, creators, and entrepreneurs to develop a fairer and more equitable digital ecosystem.

Learn more at crypto.com.

Crypto.com is an equal opportunities employer and we are committed to creating an environment where opportunities are presented to everyone in a fair and transparent way. Crypto.com values diversity and inclusion, seeking candidates with a variety of backgrounds, perspectives, and skills that complement and strengthen our team.

Personal data provided by applicants will be used for recruitment purposes only.

Please note that only shortlisted candidates will be contacted.