Design, build, and maintain efficient, reusable Java backend systems; translate business requirements into applications; optimize performance and stability; review and test code for quality and security; identify and fix bottlenecks and bugs; maintain code quality and system responsiveness.
Company Description
POWERING CRYPTO WITH DATA
CoinMarketCap is the world’s most trusted and accurate source of data for cryptocurrencies. Used by millions of individuals, organizations, and exchanges, CoinMarketCap brings the most up-to-date market capitalizations, pricing, and cryptocurrency information to our users.
Pulling data from multiple exchanges and combining our robust research allows us to provide the most realistic representation of each cryptocurrency. As we grow, we will continue to provide access to our data wherever, whenever, and however is most helpful to our users.
CREATING AN OPEN WORLD
Our mission is to be the world’s authority on cryptocurrency data. We believe in an open and decentralized world, where we play a pivotal role in powering decisions and insights to drive greater understanding and adoption of cryptocurrencies. We want to achieve this mission with people who truly believe in the value and potential of empowering individuals.
Job Description
1. Independently investigate and design relatively complex systems
2. Optimize system performance and ensure the stability of system services
3. Translate business requirements and use cases into functional applications
4. Design, build, and maintain efficient, reusable, and reliable Java code
5. Review, test, and verify code for adherence to quality and security standards
6. Ensure the best possible performance, quality, and responsiveness of the applications
7. Identify bottlenecks and bugs, and devise solutions to these problems
8. Help maintain code quality and organization
Qualifications
1. 8+ years of Online troubleshooting experience with full lifecycle of project development for Java applications from similar industry
2. Understand the underlying principles of commonly used middleware
3. Familiar with Redis/MongoDB/MySQL/Kafka/xxl-job/K8s/SpringBoot/localCache/Prometheus
4. Strong skills in core Java, server-side Java technologies, and Spring frameworks
5. Extensive experience in software design, architecture, development integration
6. Solid knowledge of event processing models, multi-threading, enterprise integration pattern, Web Service and REST
7. Experience in Reactor and Microservice would be an added value
8. Basic or Fluent English level
Similar Jobs
Artificial Intelligence • Cloud • Computer Vision • Hardware • Internet of Things • Software
Lead design and delivery of full-stack, AI-driven products and platform capabilities. Own technical strategy, ship end-to-end features, build scalable data and API systems, mentor engineers, and partner with product and customer teams to turn ambiguous real-world problems into measurable outcomes.
Top Skills:
APIsCursorGoIotJavaScriptLlmsPythonReactTelematicsTypescript
Artificial Intelligence • Cloud • Computer Vision • Hardware • Internet of Things • Software
Build and own technically complex, mission-critical full-stack systems and AI-powered products. Define technical strategy, design and ship end-to-end features across backend, frontend, and mobile, and scale data ingestion and APIs. Lead cross-team projects, mentor engineers, drive technical standards, and partner with product, design, and customer teams to deliver measurable impact.
Top Skills:
AIAPIsCursorGoJavaScriptLlmsMlPythonReactTypescript
Big Data • Fintech • Mobile • Payments • Financial Services
Manage Affirm's licensing portfolio and regulatory filings across U.S. and international jurisdictions. Support product launches, maintain licensing repository, prepare renewals and reports (NMLS, MSB), ensure timely filings, improve processes (including AI automation), and coordinate cross-functionally with legal, compliance, finance, tax, and senior leadership.
Top Skills:
AILicensing Management ToolNmls
What you need to know about the Dublin Tech Scene
From Bono and Oscar Wilde to today's tech leaders, Dublin has always attracted trailblazers, with more than 70,000 people working in the city's expanding digital sector. Continuing its legacy of drawing pioneers, the city is advancing rapidly. Ireland is now ranked as one of the top tech clusters in the region and the number one destination for digital companies, with the highest hiring intention of any region across all sectors.
