Developer Level 2

Job DescriptionLeadStack Inc. is an award winning, one of the nation's fastest growing, certified minority owned (MBE) staffing services provider of contingent workforce. As a recognized industry leader in contingent workforce solutions and Certified as a Great Place to Work, we're proud to partner with some of the most admired Fortune 500 brands in the world.Senior Full Stack Developer (W2 only)Location: Blue Ash, OH ( Local candidates are preferred, but Open to Remote)Duration: 6 months (Contract to Hire)Rate: $60/hr on W2 (Flexible)Work hours: ESTOverviewWe are seeking a Senior Full Stack Developer to design, build, deploy, and support enterprise-scale warehouse and supply-chain applications. This role will own features end-to-end and operate services in Kubernetes-based environments with strong observability practices. Candidates should have deep backend Java/Spring Boot experience, Kafka event-driven integration skills, and production Kubernetes troubleshooting experience. Frontend experience (Angular preferred) is a plus.What You’ll DoDesign, implement, and own application components across backend and frontend. Develop Java-based microservices using Spring Boot/Spring Cloud and REST APIs. Build and maintain Kafka-based event integrations with retry, DLQ, and recovery patterns. Deploy, operate, and troubleshoot services in Kubernetes (clusters, pods, services, ingress, networking). Configure and maintain CI/CD pipelines (Harness preferred) and artifact management (JFrog). Implement and use Dynatrace (or similar) for observability: dashboards, alerts, performance analysis, root cause investigation. Collaborate with architects, DevOps, QA, product, and business partners; participate in code/design reviews. Mentor junior engineers; support production systems including on-call rotation. Required skillsStrong Java, Spring Boot, REST API, and microservices experience. Hands-on Kafka experience (topics, producers, consumers, retries, DLQs). Production experience running and troubleshooting services on Kubernetes (clusters, pods, services, ingress, networking). Hands-on Dynatrace (or equivalent observability) experience. Solid understanding of distributed systems and event-driven architectures. Familiarity with frontend technologies; Angular preferred but not required. Strong communication, independent configuration/ownership, requirement-gathering, and teamwork skills. Patience and ability to raise issues and propose ideas are essential. Nice-to-haveExperience with Harness CI/CD, JFrog Artifactory. Warehouse, distribution center, or supply chain domain knowledge (warehouse terminology beneficial). Experience supporting multiple applications across operations/warehouse environments. know more about current opportunities at LeadStack , please visit us on https://leadstackinc.com/careers/Should you have any questions, feel free to call me on (513) 3184502 or send an email on waseem.ahmad@leadstackinc.com