{"schemaVersion":"jobsearcher.job.v1","id":"d25f61b694bef92dbce9fabc","url":"https://jobsearcher.com/jobs/d25f61b694bef92dbce9fabc","canonicalUrl":"https://jobsearcher.com/jobs/d25f61b694bef92dbce9fabc","title":"Java Mainframe Developer","description":"About AscendionAbout AscendionAscendion is an AI-native software engineering disruptor helping businesses innovate faster, smarter, and with greater impact. We partner with enterprise clients across North America, the UK, Europe, and APAC to solve complex challenges in data, experience design, software product engineering, and workforce transformation. Powered by expert engineers, thousands of AI agents, and our Engineering to the Power of AI (EngineeringAI) method, we deliver measurable outcomes that build trust, unlock value, and accelerate growth.Learn more at  https://ascendion.com/.Engineering to the Power of AI™, AAVA™, EngineeringAI, Engineering to Elevate Life™, Enterprise PlatformsAI, Data & InsightsAI, ExperienceAI, GCCAI, OperationsAI, Platform EngineeringAI, ProductAI, and Quality EngineeringAIare trademarks or service marks of Ascendion®. AAVA™ is pending registration. Unauthorized use is strictly prohibited.Ascendion | Engineering to elevate lifeWe have a culture built on opportunity, inclusion, and a spirit of partnership. Come, change the world with us:Build the coolest tech for the world’s leading brandsSolve complex problems - and learn new skillsExperience the power of transforming digital engineering for Fortune 500 clientsMaster your craft with leading training programs and hands-on experienceExperience a community of change makers!Join a culture of high-performing innovators with endless ideas and a passion for tech. Our culture is the fabric of our company, and it is what makes us unique and diverse. The way we share ideas, learning, experiences, successes, and joy allows everyone to be their best at Ascendion.About AscendionAbout AscendionAscendion is an AI-native software engineering disruptor helping businesses innovate faster, smarter, and with greater impact. We partner with enterprise clients across North America, the UK, Europe, and APAC to solve complex challenges in data, experience design, software product engineering, and workforce transformation. Powered by expert engineers, thousands of AI agents, and our Engineering to the Power of AI (EngineeringAI) method, we deliver measurable outcomes that build trust, unlock value, and accelerate growth.Learn more at  https://ascendion.com/.Engineering to the Power of AI™, AAVA™, EngineeringAI, Engineering to Elevate Life™, Enterprise PlatformsAI, Data & InsightsAI, ExperienceAI, GCCAI, OperationsAI, Platform EngineeringAI, ProductAI, and Quality EngineeringAIare trademarks or service marks of Ascendion®. AAVA™ is pending registration. Unauthorized use is strictly prohibited.Ascendion | Engineering to elevate lifeWe have a culture built on opportunity, inclusion, and a spirit of partnership. Come, change the world with us:Build the coolest tech for the world’s leading brandsSolve complex problems - and learn new skillsExperience the power of transforming digital engineering for Fortune 500 clientsMaster your craft with leading training programs and hands-on experienceExperience a community of change makers!Join a culture of high-performing innovators with endless ideas and a passion for tech. Our culture is the fabric of our company, and it is what makes us unique and diverse. The way we share ideas, learning, experiences, successes, and joy allows everyone to be their best at Ascendion.Job Details: Senior Mainframe Java DeveloperAbout the Role:Seeking an experienced Mainframe & Java Developer with 10+ years of experience in development, production support, and troubleshooting. AWS integration and legacy modernization experience are highly preferred. This is a 100% onsite role in Jersey City, NJ.Key Responsibilities:Develop, maintain, and enhance Mainframe and Java applications.Provide production support and troubleshoot complex technical issues.Integrate applications with AWS services and support modernization initiatives.Collaborate with cross-functional teams to ensure application stability and performance.Must-Have Skills:10+ years of overall IT development experience.Strong hands-on experience in Mainframe development.Strong hands-on experience in Java development.Production support and troubleshooting experience; must work 100% onsite in Jersey City, NJ.Salary and Other Compensation:The annual [salary/hourly rate] for this position is between $120,000 - $150,000 annually.  Factors which may affect pay within this range may include geography/market, skills, education, experience and other qualifications of the successful candidate.Benefits:The Company offers the following benefits for this position, subject to applicable eligibility requirements: [medical insurance] [dental insurance] [vision insurance] [401(k) retirement plan] [life insurance] [long-term disability insurance] [short-term disability insurance] [paid parking/public transportation].Want to change the world? Let us know.Tell us about your experiences, education, and ambitions. Bring your knowledge, unique viewpoint, and creativity to the table. Let’s talk! Position InformationSalary and Other Compensation:The annual [salary/hourly rate] for this position is between [$XX,XXX - XX,XXX annually]/[$XX.XX-XX.XX per hour].  Factors which may affect pay within this range may include geography/market, skills, education, experience and other qualifications of the successful candidate.Benefits:The Company offers the following benefits for this position, subject to applicable eligibility requirements: [medical insurance] [dental insurance] [vision insurance] [401(k) retirement plan] [life insurance] [long-term disability insurance] [short-term disability insurance] [paid parking/public transportation] [xx days/hours of paid time off] [xx days/hours of paid sick and safe time] [xx days/hours of paid vacation time] [xx weeks of paid parental leave] [x paid holidays annually]  [add others as needed- include all material benefits available to the position]Want to change the world? Let us know.Tell us about your experiences, education, and ambitions. Bring your knowledge, unique viewpoint, and creativity to the table. Let’s talk!","company":"Ascendion","rawCompany":"ascendion","city":"Jersey City","state":"NJ","isRemote":false,"isActive":false,"createdAt":"2026-10-28T09:38:07.664Z","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":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Java Mainframe Developer","description":"About AscendionAbout AscendionAscendion is an AI-native software engineering disruptor helping businesses innovate faster, smarter, and with greater impact. We partner with enterprise clients across North America, the UK, Europe, and APAC to solve complex challenges in data, experience design, software product engineering, and workforce transformation. Powered by expert engineers, thousands of AI agents, and our Engineering to the Power of AI (EngineeringAI) method, we deliver measurable outcomes that build trust, unlock value, and accelerate growth.Learn more at  https://ascendion.com/.Engineering to the Power of AI™, AAVA™, EngineeringAI, Engineering to Elevate Life™, Enterprise PlatformsAI, Data & InsightsAI, ExperienceAI, GCCAI, OperationsAI, Platform EngineeringAI, ProductAI, and Quality EngineeringAIare trademarks or service marks of Ascendion®. AAVA™ is pending registration. Unauthorized use is strictly prohibited.Ascendion | Engineering to elevate lifeWe have a culture built on opportunity, inclusion, and a spirit of partnership. Come, change the world with us:Build the coolest tech for the world’s leading brandsSolve complex problems - and learn new skillsExperience the power of transforming digital engineering for Fortune 500 clientsMaster your craft with leading training programs and hands-on experienceExperience a community of change makers!Join a culture of high-performing innovators with endless ideas and a passion for tech. Our culture is the fabric of our company, and it is what makes us unique and diverse. The way we share ideas, learning, experiences, successes, and joy allows everyone to be their best at Ascendion.About AscendionAbout AscendionAscendion is an AI-native software engineering disruptor helping businesses innovate faster, smarter, and with greater impact. We partner with enterprise clients across North America, the UK, Europe, and APAC to solve complex challenges in data, experience design, software product engineering, and workforce transformation. Powered by expert engineers, thousands of AI agents, and our Engineering to the Power of AI (EngineeringAI) method, we deliver measurable outcomes that build trust, unlock value, and accelerate growth.Learn more at  https://ascendion.com/.Engineering to the Power of AI™, AAVA™, EngineeringAI, Engineering to Elevate Life™, Enterprise PlatformsAI, Data & InsightsAI, ExperienceAI, GCCAI, OperationsAI, Platform EngineeringAI, ProductAI, and Quality EngineeringAIare trademarks or service marks of Ascendion®. AAVA™ is pending registration. Unauthorized use is strictly prohibited.Ascendion | Engineering to elevate lifeWe have a culture built on opportunity, inclusion, and a spirit of partnership. Come, change the world with us:Build the coolest tech for the world’s leading brandsSolve complex problems - and learn new skillsExperience the power of transforming digital engineering for Fortune 500 clientsMaster your craft with leading training programs and hands-on experienceExperience a community of change makers!Join a culture of high-performing innovators with endless ideas and a passion for tech. Our culture is the fabric of our company, and it is what makes us unique and diverse. The way we share ideas, learning, experiences, successes, and joy allows everyone to be their best at Ascendion.Job Details: Senior Mainframe Java DeveloperAbout the Role:Seeking an experienced Mainframe & Java Developer with 10+ years of experience in development, production support, and troubleshooting. AWS integration and legacy modernization experience are highly preferred. This is a 100% onsite role in Jersey City, NJ.Key Responsibilities:Develop, maintain, and enhance Mainframe and Java applications.Provide production support and troubleshoot complex technical issues.Integrate applications with AWS services and support modernization initiatives.Collaborate with cross-functional teams to ensure application stability and performance.Must-Have Skills:10+ years of overall IT development experience.Strong hands-on experience in Mainframe development.Strong hands-on experience in Java development.Production support and troubleshooting experience; must work 100% onsite in Jersey City, NJ.Salary and Other Compensation:The annual [salary/hourly rate] for this position is between $120,000 - $150,000 annually.  Factors which may affect pay within this range may include geography/market, skills, education, experience and other qualifications of the successful candidate.Benefits:The Company offers the following benefits for this position, subject to applicable eligibility requirements: [medical insurance] [dental insurance] [vision insurance] [401(k) retirement plan] [life insurance] [long-term disability insurance] [short-term disability insurance] [paid parking/public transportation].Want to change the world? Let us know.Tell us about your experiences, education, and ambitions. Bring your knowledge, unique viewpoint, and creativity to the table. Let’s talk! Position InformationSalary and Other Compensation:The annual [salary/hourly rate] for this position is between [$XX,XXX - XX,XXX annually]/[$XX.XX-XX.XX per hour].  Factors which may affect pay within this range may include geography/market, skills, education, experience and other qualifications of the successful candidate.Benefits:The Company offers the following benefits for this position, subject to applicable eligibility requirements: [medical insurance] [dental insurance] [vision insurance] [401(k) retirement plan] [life insurance] [long-term disability insurance] [short-term disability insurance] [paid parking/public transportation] [xx days/hours of paid time off] [xx days/hours of paid sick and safe time] [xx days/hours of paid vacation time] [xx weeks of paid parental leave] [x paid holidays annually]  [add others as needed- include all material benefits available to the position]Want to change the world? Let us know.Tell us about your experiences, education, and ambitions. Bring your knowledge, unique viewpoint, and creativity to the table. Let’s talk!","datePosted":"2026-10-28T09:38:07.664Z","dateModified":"2026-10-28T09:38:07.664Z","hiringOrganization":{"@type":"Organization","name":"Ascendion","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Jersey City","addressRegion":"NJ","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"d25f61b694bef92dbce9fabc"},"url":"https://jobsearcher.com/jobs/d25f61b694bef92dbce9fabc"}}