← all jobs

Senior Java Backend Developer | Fulltime (W2 only) | REMOTE

Work from home Full-time role Hiring

Job Title: Senior Core Java Backend Developer Employment Type: Full-Time | W2 Only Location: REMOTE

Job Description

We are seeking a Senior Core Java Backend Developer with strong expertise in Java, Spring Boot, Kafka, and Microservices. The ideal candidate will design and develop high-performance, scalable backend applications and event-driven systems. Required Skills:

  • 8+ years of hands-on experience in Core Java development
  • Strong experience with Spring Boot and Microservices architecture
  • Extensive experience with Apache Kafka (Producers, Consumers, Streams)
  • Expertise in REST API development and distributed systems
  • Strong knowledge of Multithreading, Concurrency, and Performance Tuning
  • Experience with SQL/NoSQL databases
  • Hands-on experience with Docker, Kubernetes, Git, and CI/CD pipelines
  • Experience working in cloud environments (AWS preferred)

Responsibilities:

  • Develop and maintain scalable backend services using Java and Spring Boot
  • Design and implement Kafka-based event-driven solutions
  • Build secure and high-performance REST APIs
  • Optimize application performance and troubleshoot production issues
  • Collaborate with architects, product teams, and developers throughout the SDLC

Technologies Core Java | Spring Boot | Kafka | Microservices | REST APIs | SQL/NoSQL | Docker | Kubernetes | AWS

More open positions

Backend Developer - Docker/EKS - Remote US

Work from home Full-time role

Backend Staff Software Engineer

Work from home Full-time role

C# Backend Developer

Work from home Full-time role

Latam Backend Developer

Work from home Full-time role

Backend Developer (Data Layer / API Specialist)

Work from home Full-time role

Remote Data Entry Specialist – High‑Pay, Flexible Hours, Full‑Time & Part‑Time Opportunities with careerzynith

Work from home Full-time role

Senior Cyber Security Analyst - Vulnerability Management

Work from home Full-time role

Senior Software Architect

Work from home Full-time role

Manager, Healthcare Analytics

Work from home Full-time role

Revenue Cycle Specialist II

Work from home Full-time role

Senior iOS Developer – Banking Applications

Work from home Full-time role

[Remote] Senior Project Manager - CNS - US/Canada - Remote

Work from home Full-time role

Weekend On-Call Coordinator

Work from home Full-time role

Iowa | Addiction Counselor | Telehealth

Work from home Full-time role

Lead SAP Supply Chain and Procurement Specialist

Work from home Full-time role

100% Remote Telemedicine | AI Assisted | Top Pay +100K Equity Shares

Work from home Full-time role

Xpert: Lead DevOps Engineer (GCP – Google Cloud)

Work from home Full-time role

[Remote] Account Executive

Work from home Full-time role

Account Development Executive - Automotive Software/SaaS

Work from home Full-time role

[Remote] Senior Director - Product Management - Mainframe

Work from home Full-time role

[Remote] Senior Project Manager (ERP/SaaS Implementation)

Work from home Full-time role