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
CoinMarketCap New York, New York, USA Office
New York, NY, United States
Similar Jobs
.png)
eCommerce • Fintech • Hardware • Payments • Software • Financial Services
Lead analytics and measurement for a Sales subdomain: monitor KPIs, investigate performance issues, design experiments, build data foundations and self-serve dashboards, use agentic AI to automate workflows, and communicate results to senior sales, finance, and operations stakeholders.
Top Skills:
A/B TestingAgentic AiAirflowCausal TestingDatabricksDbtLookerMatched-Market TestingNumpyOmniPandasPythonSalesforceSnowflakeSQL
.png){kind=logo}
AdTech • Cloud • Digital Media • Information Technology • News + Entertainment • App development
Manage day-to-day Montreal office operations and employee experience programs: vendor and facilities coordination, supplies and inventory, event and meeting logistics, onboarding support, front-desk hospitality, workplace safety initiatives, and general administrative support for leadership.
Top Skills:
ExcelMicrosoft 365OutlookPowerPointTeamsWord
AdTech • Cloud • Digital Media • Information Technology • News + Entertainment • App development
Lead technical vision and execution for technical art across PC, console, and mobile. Build and mentor the technical art team, define pipelines, tooling, performance budgets, profiling and optimization workflows, and partner with engineering to deliver scalable, maintainable content and automation for Unreal Engine 5 projects.
Top Skills:
Animation BlueprintsBlueprintsCi/CdControl RigDcc ToolsGameplay Ability SystemHlslMaterial EditorMaxscriptMelNiagaraProfiling ToolsPythonUnreal Engine 5Unreal Tooling Frameworks
What you need to know about the NYC Tech Scene
As the undisputed financial capital of the world, New York City is an epicenter of startup funding activity. The city has a thriving fintech scene and is a major player in verticals ranging from AI to biotech, cybersecurity and digital media. It also has universities like NYU, Columbia and Cornell Tech attracting students and researchers from across the globe, providing the ecosystem with a constant influx of world-class talent. And its East Coast location and three international airports make it a perfect spot for European companies establishing a foothold in the United States.
Key Facts About NYC Tech
- Number of Tech Workers: 549,200; 6% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Capgemini, Bloomberg, IBM, Spotify
- Key Industries: Artificial intelligence, Fintech
- Funding Landscape: $25.5 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Greycroft, Thrive Capital, Union Square Ventures, FirstMark Capital, Tiger Global Management, Tribeca Venture Partners, Insight Partners, Two Sigma Ventures
- Research Centers and Universities: Columbia University, New York University, Fordham University, CUNY, AI Now Institute, Flatiron Institute, C.N. Yang Institute for Theoretical Physics, NASA Space Radiation Laboratory
