{"schemaVersion":"jobsearcher.job.v1","id":"5c1cab3b4cf6f6608f5f5b25","url":"https://jobsearcher.com/jobs/5c1cab3b4cf6f6608f5f5b25","canonicalUrl":"https://jobsearcher.com/jobs/5c1cab3b4cf6f6608f5f5b25","title":"Senior Java Back End Developer","description":"We are partnering with a prominent regional financial institution that is at the forefront of modernizing its payment systems. This institution is known for leveraging cutting-edge technology to build secure, scalable, and resilient financial solutions that impact a wide customer base.The Role Design, develop, and support enterprise-grade APIs and cloud-native applications on Google Cloud Platform. Focus on building a new payments API platform using scalable, resilient, and secure microservices. Collaborate with engineers, architects, product owners, and business stakeholders on integration solutions. Develop software in an Agile environment leveraging DevOps practices, automated testing, and CI/CD. Build and maintain event-driven systems utilizing Kafka and asynchronous messaging patterns. Serve as a technical mentor and provide guidance on application architecture and cloud-native best practices.What You'll Need 7+ years of software development experience building enterprise applications and APIs. 5+ years of Java development experience with Spring Boot, Spring Framework, Maven, and Gradle. Experience building and deploying cloud-native applications on Google Cloud Platform. Proficiency with GKE, Kubernetes, Docker containers, and microservices architectures. Experience designing and developing RESTful APIs and event-driven integrations. Strong understanding of distributed systems, resiliency patterns, scalability, and performance optimization.What's On Offer Opportunity to work on a critical payments API platform. Engagement with modern Java technologies and cloud services. Exposure to an Agile and DevOps-driven development environment. Competitive compensation for a contract opportunity.Apply via Haystack today!","company":"Haystack","rawCompany":"haystack","city":"Columbus","state":"OH","isRemote":false,"isActive":false,"createdAt":"2026-10-09T09:00:42.241Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Senior Java Back End Developer","description":"We are partnering with a prominent regional financial institution that is at the forefront of modernizing its payment systems. This institution is known for leveraging cutting-edge technology to build secure, scalable, and resilient financial solutions that impact a wide customer base.The Role Design, develop, and support enterprise-grade APIs and cloud-native applications on Google Cloud Platform. Focus on building a new payments API platform using scalable, resilient, and secure microservices. Collaborate with engineers, architects, product owners, and business stakeholders on integration solutions. Develop software in an Agile environment leveraging DevOps practices, automated testing, and CI/CD. Build and maintain event-driven systems utilizing Kafka and asynchronous messaging patterns. Serve as a technical mentor and provide guidance on application architecture and cloud-native best practices.What You'll Need 7+ years of software development experience building enterprise applications and APIs. 5+ years of Java development experience with Spring Boot, Spring Framework, Maven, and Gradle. Experience building and deploying cloud-native applications on Google Cloud Platform. Proficiency with GKE, Kubernetes, Docker containers, and microservices architectures. Experience designing and developing RESTful APIs and event-driven integrations. Strong understanding of distributed systems, resiliency patterns, scalability, and performance optimization.What's On Offer Opportunity to work on a critical payments API platform. Engagement with modern Java technologies and cloud services. Exposure to an Agile and DevOps-driven development environment. Competitive compensation for a contract opportunity.Apply via Haystack today!","datePosted":"2026-10-09T09:00:42.241Z","dateModified":"2026-10-09T09:00:42.241Z","hiringOrganization":{"@type":"Organization","name":"Haystack","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Columbus","addressRegion":"OH","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"5c1cab3b4cf6f6608f5f5b25"},"url":"https://jobsearcher.com/jobs/5c1cab3b4cf6f6608f5f5b25"}}