Senior Java Developer

Senior Java Developer

Location: Jersey City, NJ (or) Boston, MA Contract & Full Time

Job Description:

• 10+ years of hands-on software development experience designing, building, and supporting large-scale, complex, distributed enterprise systems using Java
• Extensive experience in analysis, troubleshooting, and production support of legacy systems, including root-cause analysis, performance tuning, defect remediation, and modernization support
• Proven track record of dedication and sustained contribution to complex projects, with a strong sense of ownership and accountability
• Strong expertise in client/server and object-oriented software development, utilizing Core Java, JSON, MQ, JMS, Kafka, and related integration technologies
• Proven experience with containerization and orchestration technologies, including Docker and Kubernetes (Red Hat OpenShift or similar platforms)
• Solid experience working with AWS cloud services, including application deployment, configuration, monitoring, and integration with on-prem or hybrid environments
• Experience migrating applications and services from on-premises environments to AWS cloud, including assessment, refactoring, re-platforming, hybrid integration, and post-migration stabilization is a plus
• Strong knowledge of relational database systems such as Oracle and PostgreSQL, with a deep understanding of mid-tier–to–database design principles, performance optimization, and transactional systems
• Deep understanding of large-scale enterprise architectures, including high availability, resiliency, scalability, and fault-tolerant design
• Proficient in Maven-based build and dependency management for enterprise Java applications
• Hands-on experience with CI/CD pipelines and tools to support automated builds, testing, deployments, and release management
• Expert-level proficiency in Linux/Unix environments, including Shell scripting
• DevOps experience is a plus, including infrastructure-as-code, automation, monitoring, and collaboration with platform and SRE teams
• Familiarity with software development methodologies such as Agile
• Strong communication and collaboration skills, with the ability to work effectively across engineering, operations, and business stakeholders
• Experience in the financial services industry is a plus, particularly within regulated, high-availability, mission-critical systems

Key Responsibilities:

• Contribute as a senior individual contributor on multiple, complex software development initiatives, collaborating with engineers, architects, QA, and operations while promoting established engineering standards, coding best practices, and design consistency
• Analyze, design, develop, and enhance enterprise Java applications, delivering high-quality, scalable solutions aligned with functional and non-functional requirements
• Perform in-depth analysis and reverse engineering of existing and legacy systems, identifying defects, performance bottlenecks, integration issues, and technical debt; propose and implement pragmatic, maintainable solutions
• Actively participate in production support and troubleshooting, performing root-cause analysis and ensuring timely resolution of issues across application and infrastructure layers
• Work within AWS and containerized environments (Docker/Kubernetes/OpenShift) to support application deployment, configuration, and runtime stability
• Participate in Agile ceremonies (planning, grooming, stand-ups, retrospectives) and deliver work independently while meeting sprint commitments