> Markdown version of [/jobs/ext/1174398-core-java-backend-engineer](https://www.wearedevelopers.com/jobs/ext/1174398-core-java-backend-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Core Java Backend Engineer - **Company:** Vsg Business Solutions - **Location:** Westerville, OH, United States - **Experience:** Expert - **Salary:** $145,600.0 - **Contract:** Temporary to permanent - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Business Process Model and Notation, Cloud Computing, Database Queries, Programming Tools, Distributed Systems, Payment Systems, Messaging Application Programming Interface, PCI Data Security Standards, Prometheus, Management of Software Versions, Workflow Management Systems, Cloud Platform System, GitHub Copilot, Grafana, Spring-boot, Backend, Kubernetes, Infrastructure Automation Frameworks, ISO 20022 Standard, Apache Kafka, ISO 8583, Terraform, Dynatrace, Microservices - **Published:** July 3, 2026 - **Apply:** https://www.careerjet.com/jobad/usa0ec7438625bd1f4d6e103d3f244fc61 ## About the Role * Strong experience with Core Java. * Hands-on experience with Spring Boot. * Experience supporting debit card payments or banking/payment platforms. * Experience using AI-powered development tools (GitHub Copilot or similar). * Strong SQL skills. * Kafka. * Kubernetes. * Cloud experience (AWS preferred). * Excellent analytical, troubleshooting, and communication skills. Preferred Skills * Experience supporting debit, payments, or other high-volume transaction platforms. * Knowledge of PCI DSS compliance and regulated banking environments. * Experience with Camunda and BPMN workflow orchestration. * Terraform or other Infrastructure as Code (IaC) tools. * GitOps deployment models. * Experience with OpenTelemetry, Grafana, Prometheus, or Dynatrace. * Familiarity with ISO 8583 and/or ISO 20022 payment integrations. * Bachelor's degree or equivalent professional experience (7 8+ years). ## Description We are seeking an experienced Core Java Backend Engineer to design, develop, and support highly scalable backend applications for a high-volume debit payments platform. This role requires strong expertise in backend engineering, cloud technologies, distributed systems, and automation within a fast-paced banking environment. Key Responsibilities * Design and develop scalable backend services using modern distributed system architecture. * Build and maintain Java-based microservices using Spring Boot. * Drive platform modernization, upgrades, and application decomposition initiatives. * Establish API governance, versioning standards, and engineering best practices. * Develop event-driven applications using Kafka and messaging frameworks. * Improve application reliability through observability, monitoring, distributed tracing, and capacity planning. * Partner with security, risk, and compliance teams to ensure secure engineering practices. * Implement messaging best practices, including idempotency, retry mechanisms, and dead-letter queue handling. * Mentor engineers and provide technical leadership across multiple services. * Communicate technical strategies, architecture decisions, and delivery plans with cross-functional stakeholders., Looking for a Core Java Developer in Columbus ,OH Position type: Contract to Hire Duration: 6+ Months Backend Software Engineer - Java/Kafka As a Software Engineer III withi… + 9 days ago ## Related Videos - [Enterprise-Cloud-Native - Fast-Paced Development & Deployment in a Highly Secure Banking Environment](https://www.wearedevelopers.com/videos/671-enterprise-cloud-native-fast-paced-development-deployment-in-a-highly-secure-banking-environment) - [5 steps for running a Kubernetes environment at scale](https://www.wearedevelopers.com/videos/88-5-steps-for-running-a-kubernetes-environment-at-scale) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Next Level Enterprise Architecture: Modular, Flexible, Scalable, Multichannel and AI-Ready?](https://www.wearedevelopers.com/videos/1017-next-level-enterprise-architecture-modular-flexible-scalable-multichannel-and-ai-ready) - [All your telemetry data from any source in one place](https://www.wearedevelopers.com/videos/57-all-your-telemetry-data-from-any-source-in-one-place) - [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Backend Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/196-backend-developer-salary-in-germany-2023) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [Frontend Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/195-frontend-developer-salary-in-germany-2023) - [Software Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/194-software-developer-salary-in-germany-2023) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)