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CrackaJack Digital Solutions

Java Developer

Reposted 16 Days Ago
In-Office
New York, NY, USA
Senior level
In-Office
New York, NY, USA
Senior level
Seeking an experienced Java Backend Engineer to design, develop, and maintain backend systems and APIs using modern Java technologies.
The summary above was generated by AI
Job Title: Java Backend Engineer

Experience: 8+ Years
Employment Type: Contract 
Location: NY

Job Description

We are seeking an experienced Java Backend Engineer with strong expertise in building scalable, high-performance backend systems. The ideal candidate will work on designing, developing, and maintaining backend services and APIs using modern Java technologies in an enterprise environment.

Roles & Responsibilities
  • Design, develop, and maintain backend applications using Java

  • Build and maintain RESTful APIs and backend services

  • Develop microservices-based architectures

  • Write clean, efficient, reusable, and well-tested code

  • Optimize application performance, scalability, and reliability

  • Collaborate with architects, frontend developers, QA, and DevOps teams

  • Participate in code reviews and follow best coding practices

  • Troubleshoot production issues and provide root cause analysis

  • Work in Agile/Scrum development environment

Required Skills
  • 8+ years of hands-on experience in Java backend development

  • Strong experience with Spring / Spring Boot

  • Experience with Microservices architecture

  • Strong knowledge of REST APIs and backend integration

  • Solid understanding of SQL / NoSQL databases

  • Experience with ORM frameworks (Hibernate/JPA)

  • Knowledge of design patterns and backend best practices

  • Experience with Git and CI/CD pipelines

Nice to Have
  • Experience with AWS / Azure / GCP

  • Knowledge of Docker & Kubernetes

  • Messaging systems like Kafka / RabbitMQ

  • Exposure to security concepts (OAuth, JWT)

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

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