Freelance Full Stack Developer Jobs in Ohio (NOW HIRING)

Job Description
is seeking a Senior Full Stack Developer to design, build, deploy, and support enterprise scale applications supporting warehouse and supply chain systems. This role supports mission critical distribution center (DC) operations and requires strong hands on expertise building and operating systems in Kubernetes environments with Dynatrace observability.
The Senior Developer owns features and services end to endfrom design through production supportand works in cloud native, event driven platforms with real time operational impact. Depending on experience, the role may emphasize Java heavy backend development or UI heavy frontend development, while maintaining full stack collaboration.
Key Responsibilities
Application Development & Ownership
Design and implement end to end application components for new and existing systems.
Own services through the full lifecycle: development, deployment, monitoring, and production support.
Deliver clean, scalable, and maintainable code aligned with enterprise and platform standards.
Cloud, Platform & DevOps (Must Have)
Build, deploy, and operate applications in Kubernetes based environments (required).
Configure and maintain CI/CD pipelines using Harness, including deployment and rollback strategies.
Manage artifacts and dependencies using JFrog Artifactory.
Implement and actively use Dynatrace for observability (required), including monitoring, alerting, performance analysis, and incident troubleshooting.
Event Driven & Integration Development
Develop Kafka based event driven integrations, especially for warehouse and supply chain systems.
Implement inbound and outbound messaging with proper retry, error handling, and recovery patterns.
Collaborate with upstream and downstream systems to ensure reliable data exchange.
Collaboration & Quality
Work closely with Architects, DevOps, QA, Product, and business partners.
Participate in code reviews, design reviews, and technical documentation.
Mentor junior engineers and reinforce strong engineering discipline.
Operational Support
Support production systems used in distribution centers, including on call participation.
Design and implement solutions with a focus on availability, stability, and operational impact.
Java Heavy Full Stack Focus
Primary Emphasis: Backend development and distributed systems
Required Skills
Strong experience with Java, Spring Boot, REST APIs, and microservices. (must have)
Hands on expertise with Kafka (topics, producers, consumers, retries, DLQs).
Production experience running services on Kubernetes (must have).
Troubleshoot Kubernetes clusters, pods, services, ingress, and networking issues (must have).
Hands on Dynatrace experience for monitoring and troubleshooting (must have).
Solid understanding of distributed systems and event driven architectures.
Working knowledge of frontend technologies for effective full stack collaboration.
This role will support mission-critical warehouse and supply chain applications within our enterprise environment.
Please share qualified candidates along with resumes, availability, and rate information at your earliest convenience.
Key Responsibilities
Responsibilities
Develop Java based microservices using Spring Boot / Spring Cloud.
Define service boundaries, API contracts, and Kafka based event workflows.
Build and maintain integrations with proprietary WMS platforms.
Design Dynatrace dashboards and leverage observability data for effective troubleshooting and root cause analysis.
Optimize backend services for performance, scalability, and resiliency in Kubernetes.
Note to Vendors
Top skills: Java, springboot, rest API, microservices, Kafka, production experience on kubernates is a MUST they must be able to troubleshoot kubernates clusters, pods services, ingress and networking issues
Any monitoring networking system but prefer Dynatrace. Solid understanding of distributed system or supply chain. Anything where they are familiar with warehouse terms (doesnt need to be retail).
Angular on the front end is preferred but not required.
Soft Skills Needed: communication, someone who is able to configure by themselves, we want someone to gather up requirements, being connected with the team is huge here, want someone to go to the team with issues and ideas. Capability to express themselves and need to have patience.
Project person will be supporting: ends and outs of UI as well as the backend, this person would not be supporting just one specific project. Supporting all warehouse applications.
Work Location (in office, hybrid, remote): Needs to be in cinci but flexible if they want to work hybrid/remote
Is travel required: no travel

Required Working Hours: EST
Interview process and when will it start: a round with the managers, then it will be technical -this will be a panel of tech experts, team leads and architects, it will be in the technical peoples hands
Prescreening Details: Automated -5 questions and a game