Explore 2 backend java developer jobs from 2 hiring companies in Dunkirk, NY, US. Filter by remote, salary, experience, and company, then open any listing to apply.

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Backend Java Developer

Fredonia

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Portland

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Backend Java Developer Jobs

KeyBank

M&T Bank

Hybrid

Onsite

Location:4224 Ridge Lea Road, Amherst New YorkJob Summary The Senior Java Developer executes on and influences the development, implementation, assessment, and support of one or more environments, applications, or platforms. Essential Functions<ul><li>Independently develops clean, maintainable, testable code for work assigned; performs code reviews for all levels of engineer.</li><li>Designs solutions for the overall health, performance, and availability and actively works resolution of system and client experience impacts for one or more environments, applications, or platforms.</li><li>Strong technical expert on the team; assigns work, mentors, and trains junior engineers.</li><li>Advocates for new technology and improvements.</li><li>Applies, and prepares to ensure, proper security standards for code development.</li><li>Assists in the development of strategies for the full software development life-cycle of new and emerging technologies and make recommendations regarding selected technologies and demonstrates the viability.</li><li>Creates technical documentation, specifications, and project artifacts for developing code.</li><li>Identifies and develops potential standards and best practices.</li><li>Proposes high-level application platform architectural guidelines.</li><li>Formulates and designs technical solutions to meet business needs.</li><li>Performs other duties as assigned; duties, responsibilities and/or activities may change or new ones may be assigned at any time with or without notice</li><li>Complies with all KeyBank policies and procedures, including without limitation, acting professionally at all times, conducting business ethically, avoiding conflicts of interest, and acting in the best interests of Key’s clients and Key.</li></ul> Education<ul><li>Bachelor&#39;s Degree or equivalent experience (preferred)</li></ul><ul></ul> Work Experience  <h3>Required Skillset (5&#43; years of relevant experience)</h3><h3>Candidates must demonstrate hands-on experience and proficiency in the following areas:</h3><ul><li>Java – Strong object-oriented programming skills and backend development experience.</li><li>React – Building dynamic, responsive front-end applications using modern JavaScript frameworks.</li><li>HTML/CSS – Developing accessible, standards-compliant, and visually appealing user interfaces.</li><li>Git – Proficient in version control workflows, including branching, merging, and pull requests.</li><li>RESTful APIs – Designing, consuming, and integrating RESTful web services for scalable application development.  </li></ul><h3>Preferred Qualifications</h3>Experience or familiarity with the following technologies is a plus:<ul><li>CI/CD – Exposure to automated build, test, and deployment pipelines using tools like Jenkins, GitLabs.</li><li>SQL – Writing and optimizing queries for relational databases such as SQL Server.</li></ul> Skills<ul><li>Working Knowledge of the values and practices that align customer needs and satisfaction as primary considerations in all business decisions and ability to leverage that information in creating customized customer solutions.</li><li>Extensive Experience with quality management methods, tools, and techniques and ability to create and support an environment that meets the quality goals of the organization.</li><li>Extensive Experience with approaches, tools, techniques for recognizing, anticipating, and resolving organizational, operational or process problems; ability to apply knowledge of problem solving appropriately to diverse situations.</li><li>Extensive Experience with the value of innovation; ability to create and develop new ideas for answers to work-related problems that improve the performance of the organization.</li><li>Working Knowledge of the importance of inter-team collaboration in breaking down silos and achieving business results; ability to lead employees from various functions to communicate, coordinate work across divisions, and collaborate in solving problems as one team.</li><li>Extensive Experience with the decision-making process and associated tools and techniques; ability to accurately analyze situations and reach productive decisions based on informed judgment.</li><li>Working Knowledge of effective influencing tactics and strategies; ability to impact decisions within and outside own organization.</li><li>Working Knowledge of emerging technologies; ability to design, apply and evaluate new information technologies for business environments.</li><li>Extensive Experience with software development life cycle; ability to use a structured methodology for delivering and managing new or enhanced software products to the marketplace</li><li>Working Knowledge of basic activities and deliverables of application design; ability to utilize application design methodologies, tools and techniques to convert business requirements and logical models into a technical application design.</li><li>Extensive Experience with software development tools and activities; ability to produce software products or systems in line with product requirements.</li><li>Extensive Experience with of the features and facilities of systems; ability to integrate and communicate among applications, databases and technology platforms.</li><li>Working Knowledge of software reliability management; ability to develop and use principles, methodologies and metrics that increase software product performance and reliability.</li><li>Extensive Experience with production applications; ability to monitor application functions and resolve issues to maintain optimal conditions for system applications.</li></ul> Core Competencies<ul><li>All KeyBank employees are expected to demonstrate Key’s Values and abide by Key’s Code of Conduct.</li></ul> Physical Demands<ul><li>General Office - Prolonged sitting, ability to communicate face to face in person or on the phone with teammates and clients, frequent use of PC/laptop, occasional lifting/pushing/pulling of backpacks, computer bags up to 10 lbs.</li></ul> Work Location Category<ul><li>Hybrid (2&#43; days)</li></ul>COMPENSATION AND BENEFITSThis position is eligible to earn a base salary in the range of $80,000.00 - $150,000.00 annually. Placement within the pay range may differ based upon various factors, including but not limited to skills, experience and geographic location. Compensation for this role also includes eligibility for incentive compensation which may include production, commission, and/or discretionary incentives.Please click <a target="_blank" href="https://www.key.com/about/careers/working-with-us/benefits.html">here</a> for a list of benefits for which this position is eligible.Key has implemented an approach to employee workspaces which prioritizes in-office presence, while providing flexible options in circumstances where roles can be performed effectively in a mobile environment.Job Posting Expiration Date: 06/04/2026&amp;#xa;&amp;#xa;KeyCorp is an Equal Opportunity Employer committed to sustaining an inclusive culture. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, genetic information, pregnancy, disability, veteran status or any other characteristic protected by law.Qualified individuals with disabilities or disabled veterans who are unable or limited in their ability to apply on this site may request reasonable accommodations by emailing HR_Compliance&#64;keybank.com.  #LI-Hybrid

Senior Java Developer

5+ years of relevant experience; strong Java backend, React frontend, HTML/CSS, Git, RESTful APIs; CI/CD and SQL knowledge beneficial; bachelor's degree or equivalent experience preferred.

<h1>Overview:      </h1>OverviewJoin a small, highly impactful engineering team at the center of M&amp;T Bank’s consumer lending technology. This Senior Software Engineer will play a critical role in supporting and modernizing systems that power indirect auto lending and internal loan origination workflows used across the bank.You’ll work hands‑on with a mission‑critical Java 8 backend service and supporting applications that integrate directly with M&amp;T’s mainframe loan origination system (ACAPS), while helping lead a major cloud migration to Microsoft Azure and advancing DevOps maturity. This role offers the opportunity to make meaningful, incremental improvements to complex legacy systems, influence architecture decisions, and directly support business outcomes—without the expectation of rewriting everything from scratch.This is an ideal role for an experienced engineer who enjoys ownership, modernization, and problem‑solving in a regulated environment, thrives on balancing multiple priorities, and is energized by being part of a space undergoing active and long‑term transformation.Primary Responsibilities<ul><li>Independently work within the approved Software Development Lifecycle (SDLC) to design, develop, and enhance applications that solve business needs while minimizing risk to the Bank through clean, resilient, and secure code.</li><li>Serve as a hands‑on contributor to a small distributed team responsible for integrations with the mainframe loan origination system (ACAPS), supporting multiple applications with varying technologies.</li><li>Maintain and enhance a critical Java 8 backend service that supports indirect auto lending workflows, requiring a strong commitment to quality, stability, and 24/7 operational support.</li><li>Contribute to the ongoing migration of core applications to Microsoft Azure, helping the team strategically adopt cloud capabilities without unnecessary rewrites.</li><li>Bring increased DevOps maturity to legacy systems by improving deployment pipelines, automation, and development practices.</li><li>Review pull requests regularly, provide constructive feedback, and execute change management activities associated with code changes.</li><li>Author organized, efficient, secure, and well‑documented source code at an advanced level in at least one programming language, applying appropriate data structures and algorithms to solve business problems.</li><li>Utilize source code management and CI/CD tools to manage and deploy applications, resolve merge conflicts, and ensure compliance with SDLC policies.</li><li>Independently analyze and challenge technical and business requirements to ensure feasibility, completeness, and accuracy.</li><li>Collaborate with other engineering teams and stakeholders to clearly document and communicate technical designs, dependencies, and implementation details.</li><li>Participate in architectural discussions with technical and business partners, helping shape the evolution of supported applications.</li><li>Support and maintain additional applications, including:<ul><li>A frontend application used by internal bank users to interact with ACAPS, with opportunities for direct user interaction</li><li>Vendor‑supported applications running on Windows servers, including vulnerability management and server maintenance activities</li></ul></li><li>Take ownership of testing responsibilities, including contributing to and expanding automated regression test coverage in the absence of a dedicated QA team.</li><li>Adhere to M&amp;T Bank’s risk, regulatory, and internal control standards, including timely remediation of audit and regulatory findings.</li><li>Appropriately leverage the bank&#39;s enterprise AI tools for efficiency, quality and acceleration.</li><li>Promote a culture of collaboration, accountability, and belonging that reflects the M&amp;T Bank brand.</li><li>Perform other related duties as assigned.</li></ul>Education and Experience Required<ul><li>Associate’s degree and a minimum of 5 years’ systems analysis and/ or application development work experience or Bachelor&#39;s degree and a minimum of 3 years’ systems analysis and/ or application development work experience. In lieu of degree, a combined minimum of 7 years’ education and/or relevant work experience, including a minimum of 3 years’ systems analysis and/or application development work experience</li><li>Experience with Java 8 and enterprise backend services</li><li>Exposure to cloud platforms, particularly Microsoft Azure, and/or experience supporting cloud migrations</li></ul>Education and Experience Preferred<ul><li>Strong experience working with legacy systems, including debugging and enhancing existing codebases</li><li>Familiarity with DevOps concepts such as CI/CD pipelines, deployment automation, and environment standardization</li><li>Experience working in small, highly accountable teams</li><li>Ability to work autonomously while managing multiple priorities and applications</li><li>Strong analytical, organizational, and time‑management skills</li><li>Proficient verbal and written communication skills, with the ability to collaborate effectively with technical and business partners</li><li>Willingness to take ownership of testing, support, and operational responsibilities in a regulated environment</li></ul>#LI-JB3M&amp;T Bank is committed to fair, competitive, and market-informed pay for our employees. The pay range for this position is $97,100.00 - $161,800.00 Annual (USD). The successful candidate’s particular combination of knowledge, skills, and experience will inform their specific compensation.<h1>Location</h1>Buffalo, New York, United States of America

Senior Software Engineer – Java 8 & Azure Migration

Senior Software Engineer

5+ years in systems analysis or application development; Java 8 backend; experience with cloud migrations (Azure); DevOps and CI/CD exposure; financial services domain preferred.

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Backend Java Developer Jobs in Dunkirk, NY, US

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