CoinMarketCap Logo

CoinMarketCap

Java Engineer - Contractor

Posted Yesterday
In-Office or Remote
Hiring Remotely in United States
Senior level
In-Office or Remote
Hiring Remotely in United States
Senior level
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.
The summary above was generated by AI
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

7 Hours Ago
Remote or Hybrid
Senior level
Senior level
Artificial Intelligence • Cloud • HR Tech • Information Technology • Productivity • Software • Automation
Lead and build a cybersecurity sales team in the region, define and execute go-to-market and territory strategy, recruit and coach sales executives, drive pipeline generation and accurate forecasting, engage C-level stakeholders, collaborate across functions and partners, retain and grow customers, and achieve quarterly and annual revenue targets.
Top Skills: AIArmisCRMServicenowVeza
7 Hours Ago
Remote or Hybrid
Senior level
Senior level
Artificial Intelligence • Cloud • HR Tech • Information Technology • Productivity • Software • Automation
Design and build the agent execution harness and orchestration runtime to run LLM agents reliably at enterprise scale. Improve fault tolerance, latency, and throughput; add observability, prompt/versioning infrastructure, evaluation suites; integrate frontier LLMs and manage model routing/cost tradeoffs. Provide technical leadership, architecture decisions, and define system boundaries for agent behavior.
Top Skills: Agent FrameworksAi Observability (TracingApi DesignCloud-Native InfrastructureCost Tracking)Distributed SystemsEvaluation FrameworksLangchainLlamaindexLlmsMulti-Agent CoordinationPrompt Engineering
7 Hours Ago
Remote or Hybrid
Senior level
Senior level
Artificial Intelligence • Cloud • HR Tech • Information Technology • Productivity • Software • Automation
Sell ServiceNow cybersecurity SaaS to federal enterprise customers by developing C-suite relationships, orchestrating cross-functional account strategies, generating new business, negotiating deals, and aligning ServiceNow AI/security solutions to customers' IT roadmaps.
Top Skills: AIArmisSaaSServicenowVeza

What you need to know about the Chicago Tech Scene

With vibrant neighborhoods, great food and more affordable housing than either coast, Chicago might be the most liveable major tech hub. It is the birthplace of modern commodities and futures trading, a national hub for logistics and commerce, and home to the American Medical Association and the American Bar Association. This diverse blend of industry influences has helped Chicago emerge as a major player in verticals like fintech, biotechnology, legal tech, e-commerce and logistics technology. It’s also a major hiring center for tech companies on both coasts.

Key Facts About Chicago Tech

  • Number of Tech Workers: 245,800; 5.2% of overall workforce (2024 CompTIA survey)
  • Major Tech Employers: McDonald’s, John Deere, Boeing, Morningstar
  • Key Industries: Artificial intelligence, biotechnology, fintech, software, logistics technology
  • Funding Landscape: $2.5 billion in venture capital funding in 2024 (Pitchbook)
  • Notable Investors: Pritzker Group Venture Capital, Arch Venture Partners, MATH Venture Partners, Jump Capital, Hyde Park Venture Partners
  • Research Centers and Universities: Northwestern University, University of Chicago, University of Illinois Urbana-Champaign, Illinois Institute of Technology, Argonne National Laboratory, Fermi National Accelerator Laboratory

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account