Senior Full Stack Developer (Java & React) (Local candidates only)

Location / Contract

• New York City, NY (Hybrid Onsite)
• Local candidates only
• 3‑month contract to hire position
• Candidates must be authorized to work in the US without visa sponsorship now or in the future

Day to Day / Job Function

• Design, develop, and operate end‑to‑end full‑stack applications including front‑end user interfaces, back‑end services, and supporting infrastructure.
• Own the complete software development lifecycle including system design, development, testing, deployment, monitoring, and production support.
• Build and operate applications using modern GitOps‑driven SDLC practices to ensure reliable and repeatable deployments.
• Develop scalable, highly performant, and resilient distributed systems with strong focus on reliability and operational efficiency.
• Participate in production operations including monitoring, incident resolution, root cause analysis, and system optimization following “you build it, you run it” principles.
• Collaborate with product managers, business stakeholders, and cross‑functional teams to translate functional requirements into robust technical solutions.
• Develop responsive and component‑based user interfaces using modern front‑end technologies and frameworks.
• Design and implement secure and scalable APIs and backend services using REST/JSON standards.
• Ensure backward compatibility, version control, and maintainability in API design and service development.
• Solid in DevOps with hands‑on knowledge in CI/CD pipelines, Jenkins and related toolset.
• Work with Kubernetes‑based environments to deploy, scale, and manage containerized applications.
• Develop automated workflows and scripts to streamline repeatable development, deployment, and operational tasks.
• Conduct testing including UI testing, component testing, and integration testing to ensure application stability and performance.

Required Qualifications

• 8+ years experience working in Kubernetes‑based containerized environments including deployment, scaling, and operational management.
• 8+ years of experience in software development, with strong focus on full‑stack application development.
• 8+ years experience with Java‑based backend development.
• 8+ years experience developing modern front‑end applications using React or similar frameworks.
• 8+ years of experience building scalable APIs and backend services using REST/JSON architectures.
• 8+ years experience implementing CI/CD pipelines, GitOps, DevOps tooling, at least hyperscaler, and automated deployment processes with infrastructure as code (IaC) understanding.
• 8+ years experience building and supporting production‑grade systems with high availability and operational reliability.
• 8+ years experience working in automation frameworks for workflow orchestration and operational efficiency.

Nice to Have (But not a must)

• Machine learning and deep learning / LLM knowledge