CoinMarketCap Logo

CoinMarketCap

DevOps Engineer - Contractor

Reposted One Month Ago
In-Office or Remote
Hiring Remotely in United Kingdom
Mid level
In-Office or Remote
Hiring Remotely in United Kingdom
Mid level
The DevOps Engineer designs and manages AWS cloud infrastructure, automates operations, develops CI/CD pipelines, and ensures robust monitoring and observability.
The summary above was generated by AI

Responsibilities:

1. Design and develop backend architecture for business systems, ensuring high availability, high performance, and scalability.

2. Perform service governance and performance tuning in high-concurrency scenarios to continuously improve system stability, throughput, and response efficiency.

3. Develop core services and business modules, including user systems, authentication, authorization, and open API capabilities.

4. Participate in microservices architecture design and implementation, promoting system modularization, service-orientation, and engineering excellence.

5. Troubleshoot production issues, analyze performance, and resolve complex technical problems.

6. Collaborate with product, frontend, QA, and cross-functional teams to ensure high-quality delivery of requirements.

7. Continuously optimize development processes, code quality, and technical solutions to improve maintainability and R&D efficiency.

 

Qualifications:

1. Bachelor's degree or above in Computer Science or a related field.

2. 3-5+ years of Java backend development experience with a solid technical foundation. Outstanding fresh graduates may also be considered.

3. Proficiency in Java core technologies, with a deep understanding of JVM, concurrency programming, collection frameworks, I/O, and network communication.

4. Familiarity with mainstream frameworks like Spring Boot and Spring Cloud, with experience in microservices development and governance.

5. Experience in developing high-performance, high-concurrency systems, with familiarity in caching, asynchronous processing, rate limiting, circuit breaking, and thread pools.

6. Proficiency in common middleware such as MySQL, Redis, Kafka, and Elasticsearch, with an understanding of their use cases and performance optimization methods.

7. Understanding of common distributed system issues and solutions, including idempotency, consistency, distributed locks, transaction processing, and service fault tolerance.

8. Strong analytical and problem-solving skills, capable of independently troubleshooting production issues and resolving complex problems.

9. Familiarity with authentication and authorization mechanisms, with experience designing and developing with OAuth2, JWT, SSO, RBAC, and Session.

10. Experience with Kubernetes, including containerized deployment, service orchestration, auto-scaling, and configuration management.

11. Experience with AWS cloud services is a plus.

12. Strong coding standards, documentation skills, and teamwork abilities.

Similar Jobs

2 Hours Ago
Remote or Hybrid
Expert/Leader
Expert/Leader
Big Data • Food • Hardware • Machine Learning • Retail • Automation • Manufacturing
Lead North American paper packaging sourcing, including strategic sourcing, supplier relationship management, negotiations, risk management, sustainability, quality, productivity, and stakeholder engagement. Develop sourcing strategies, manage the supply base, drive innovation and digital procurement adoption, and deliver financial value. The role requires procurement and packaging experience, project and stakeholder management, team leadership, and data-driven decision-making using tools such as Excel, Power BI, and Tableau. Travel across the US, Canada, and Mexico is expected approximately 10% of the time.
Top Skills: E-AuctionsE-Sourcing PlatformsExcelGenerative AiPower BIRfx WorkflowsTableau
2 Hours Ago
Remote or Hybrid
Senior level
Senior level
eCommerce • Fintech • Hardware • Payments • Software • Financial Services
Own creative and content strategy for a growth portfolio across paid and unpaid channels. Lead audience research, messaging, creative development, experimentation, landing-page optimization, performance analysis, and scaling of successful concepts. Partner cross-functionally with marketing, creative, analytics, SEO, web, CRO, agencies, and technical teams. Develop AI-enabled workflows and testing frameworks while connecting creative decisions to acquisition, conversion, and business outcomes.
Top Skills: Artificial Intelligence (Ai)Conversion Rate Optimization (Cro)Search Engine Optimization (Seo)Streaming/Connected Tv (Ctv)
Senior level
AdTech • Cloud • Digital Media • Information Technology • News + Entertainment • App development
Develop reinforcement learning systems for autonomous agents by designing high-fidelity 2D/3D simulation environments, reward functions, and policy architectures. Implement and optimize algorithms such as PPO, SAC, and Offline RL for high-dimensional observations. Develop sim-to-real strategies using domain randomization and adaptation, collaborate with ML, annotation, and program management teams, and ensure reliable agent performance and environment parity.
Top Skills: BulletCleanrlConfluenceExperiment Tracking FrameworksGitGit ServerIsaac SimJIRAMujocoPythonRay RllibSlackStable Baselines3UnityUnix ShellUnreal Engine

What you need to know about the London Tech Scene

London isn't just a hub for established businesses; it's also a nursery for innovation. Boasting one of the most recognized fintech ecosystems in Europe, attracting billions in investments each year, London's success has made it a go-to destination for startups looking to make their mark. Top U.K. companies like Hoptin, Moneybox and Marshmallow have already made the city their base — yet fintech is just the beginning. From healthtech to renewable energy to cybersecurity and beyond, the city's startups are breaking new ground across a range of industries.

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account