> Markdown version of [/jobs/ext/1400044-senior-applications-developer](https://www.wearedevelopers.com/jobs/ext/1400044-senior-applications-developer). 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). --- # Senior Applications Developer - **Company:** InterSystems - **Location:** Boston, MA, United States - **Experience:** Expert - **Salary:** $108,000.0 - $136,000.0 - **Contract:** Permanent contract - **Skills:** HTML, Java (Programming Language), JavaScript (Programming Language), Microsoft Windows, Artificial Intelligence, Unix, Software Documentation, Cursor (Graphical User Interface Elements), Linux, Extranet, Human-Computer Interaction, Object-Oriented Software Development, Rapid Application Development, Simple Object Access Protocol (SOAP), Systems Integration, Web Applications, Web Services, Extensible Markup Language (XML), Extensible Stylesheet Language (XSL), GitHub Copilot, AngularJS, Intersystems, Legacy Systems - **Published:** July 23, 2026 - **Apply:** https://www.careerjet.com/job/usd88cb8e78894bd623def00954c79dfa4/eaa ## About the Role * Have at least 4 of the following 7 requirements: * Experience in developing for multiple operating system environments including both Windows and Unix. * Experience with a variety of user interface implementation approaches. * Demonstrable competence in XML, XSL, SOAP, Web Services, eCommerce, HTML, JavaScript. * Demonstrate competence in designing modern web applications based on REST and Angular * Experience with Object Oriented design and development. * Familiarity with InterSystems IRIS, Caché, or Ensemble. * Have contributed substantially to the deployment of an application-rich intranet or extranet. * Experience working with agentic coding assistants (e.g., Claude Code, Cursor, GitHub Copilot) * Experience building AI skills, plugins, MCP servers, and/or agents Desired Experience * Bachelor's degree or foreign equivalent in a technical field or STEM. * 4+ years of experience in a full stack development role * Process improvement and/or program and project management background is a plus, preferably in a software or other technology company ## Description We are looking for a highly motivated, collaborative, goal-oriented, and creative problem solver to join a team of international experts supporting internal home-grown and third-party applications, who can work cross-functionally with internal customers, business analysts, and technical teams to understand, support, and deliver on business needs. This senior application developer will design and develop applications for use by InterSystems staff and its customers by exploiting rapid application development features in the InterSystems products. What will you get out of this? The chance to be part of a mentorship-focused, friendly, supportive, close-knit team of technology professionals who love solving hard problems and delighting our users within the company and within our customer base. Responsibilities * Work with internal users and capture needs for creating new applications as well as extending and enhancing current applications. * Create and deploy new functionality and applications for use by InterSystems staff and their customers by exploiting the full power of the company's products. * Document the code and generate appropriate user documentation. * Work closely with product developers to apply newly introduced InterSystems IRIS features to new and existing applications. * Provide continuous feedback to the product development group regarding the new features in the product. * Provide technical customer support and consultation service related to product installation and application. * Assist in integrating company's various applications. * Assume additional responsibilities as requested. * Manage projects; initiate and drive multiple workflows to successful completion with strong communication and collaboration * Support Integrations with legacy systems and other internal Applications, Job Description We are looking for a Senior application developer with Linux OS Java developer to build, test, deploy and support SWIFT network interface related Unix application… + 15 hours ago ## Related Videos - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [WeAreDevelopers LIVE - Node and Package Security](https://www.wearedevelopers.com/videos/2138-wearedevelopers-live-node-and-package-security) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [NoLoJS - Avoiding JavaScript Cruft with HTML and CSS - Aaron T. 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