At LimeSurvey we are dedicated building the world’s #1 open survey platform emphasized on ease of use, stability, and extensibility. We do this together with our fast-growing community and an international team of survey fanatics in Hamburg. You can find LimeSurvey in over 140 countries and 80+ languages: from local governments, NGO’s and universities to students, small business owners and public traded companies. We could use some help. If you’re looking for the next challenge as Software Engineer, you might have just found it. This will be your arena: Our LimeSurvey survey platform is providing capabilities to create and collect online surveys and analyse and share survey data. The survey platform can be used to conduct simple questionnaires with just a couple of questions or advanced assessments with conditionals and quota management. We work closely with our community and partner network to co-create, fix bugs, translate, and share knowledge. You will join our creative team and get involved in building the world’s #1 open-source survey platform. As the Software Engineer, you will have a key position in our Survey Platform Development team.  You will help build a versatile, open-source survey tool for newcomers and professionals. So they can get the freshest insights - as easy as squeezing a lime. Well, for the latter ‘easy’ part we could really use your help. This will be your challenge: - You will be involved in the entire development cycle for frontend and backend topics - You need to stay on top of new technologies and seek for possible improvements - You will build new features and break them down from our product roadmap - You will align back and forwards with team members and product owner - You will come up with technical solutions for implementation and implement accordingly - You will write technical requirements and implement them together with our team - You are responsible for the code you write in line with our LimeSurvey coding guidelines - Manage application maintenance and their environments - Your code will be showcased to the rest of the world, since we’re open source

Position Title: Software Developer I Job Group: Professional & Scientific Required Minimum Qualifications: High school diploma or equivalent Job Description: As a Software Developer I on our Web API and Integrations Development team in Information Technology Services (ITS), you will work directly with stakeholders to develop and maintain software that integrates with enterprise Learning Management Systems (LMS). You will analyze, design, program, test and implement new and highly integrated computer information systems to support critical learning applications. If you are collaborative and dedicated to continuous growth, this team can be a good place to expand your software development expertise. ITS provides core computing, network services, enterprise systems and information security resources to the students, faculty, and staff of Iowa State University. The department functions as the university’s central IT unit, responsible for technologies and services that are used broadly across campus. ITS also partners with other IT professionals across campus to provide more specialized IT resources to ISU’s academic and business units. Your strong software development, prioritization, and analysis skills will enable you to successfully evaluate, plan and deploy proposed system changes. On a typical day, you will draw from your technical knowledge to identify problems and implement solutions. The ability to communicate and relate to the varying levels of experience of our stakeholders will be critical to success. Though this position can work off campus in the state of Iowa, you will be part of a team that is available to provide on-call support for production issues or unplanned maintenance. A strong desire to learn, an ability to quickly adapt, and a drive for constant progress will define the ideal candidate to join this exciting team. Example of Duties - Participate in meetings with campus partners as well as team members to identify and document functional system requirements - Participate in the analysis of existing code to determine required changes - Participate in the design and review of new code and associated data structures - Modify existing source code and write new code as assigned adhering to team standards of maintainability - Write automated tests and validate accuracy of code changes against requirements - Provide on-call support for production issues - Troubleshoot and resolve minor production issues - Participate in after-action reviews following production issues and assist with implementation of identified process improvements Preferred Qualifications • Degree in Computer Science, Software Development, Computer Engineering, MIS, or a related discipline • Experience with Learning Tools Interoperability (LTI) or Learning Management Systems (LMS) • Working knowledge of enterprise technology principles, RESTful Web Services, and APIs; experience with Java, JavaScript, or similar programming languages • Hands-on experience with Git or another version control system, including branching and merging workflows • Understanding of Agile/Lean practices and tools, such as JIRA and Confluence For more information about Information Technology Services, please visit: Information Technology Services Candidates must be legally authorized to work in the U.S. on an ongoing basis without sponsorship. Immigration sponsorship is not available for this position. To apply for this position, please click on “Apply” and complete the Employment Application. Please be prepared to enter or attach the following: 1) Resume/Curriculum Vitae 2) Letter of Application/Cover Letter If you have questions regarding this application process, please email employment@iastate.edu or call 515-294-4800 or Toll Free: 1-877-477-7485. Why Choose ISU? Iowa State Employees enjoy comprehensive health and work-life benefits, including medical and dental; as well as: • Retirement benefits including defined benefit and defined contribution plans • Generous vacation, holiday and sick time and leave plans • Onsite childcare (Ames, Iowa) • Life insurance and long-term disability • Flexible Spending Accounts • Various voluntary benefits and discounts • Employee Assistance Program • Wellbeing program • Iowa State offers WorkFlex options for some positions. WorkFlex offers flexibility on when, where, and how you do your work. For more information, please speak with the Hiring Manager. Appointment Type: Regular Number of Months Employed Per Year: 12 Month Work Period Time Type: Full time Pay Grade: PS808 Original Posting Date: April 22, 2026 Posting Close Date: April 28, 2026 Job Requisition Number: R18979 Iowa State University does not discriminate on the basis of race, color, age, ethnicity, religion, national origin, pregnancy, sexual orientation, genetic information, sex, marital status, disability, or status as a U.S. Veteran. Inquiries regarding non-discrimination policies may be directed to Office of Equal Opportunity, 2680 Beardshear Hall, 515 Morrill Road, Ames, Iowa 50011, Tel. 515-294-7612, email eooffice@iastate.edu. General ISU compensation information can be found on the University Human Resources website. Please note that this is only a list of ranges and individuals will be paid commensurate with qualifications.

Role Description Constellation seeks a Senior Full Stack Engineer to join our Homeland Security Team. This role requires a strong front-end development background using React, along with hands-on Python experience for building data pipelines and automation workflows. The ideal candidate will help develop user-facing applications integrated with backend ETL processes that support operational reporting, data collection, and intelligent automation. This position involves close collaboration with analysts, engineers, and stakeholders to deliver mission-driven capabilities across multiple workstreams. - Design, develop, and maintain modern web applications using React that integrate with backend data automation workflows. - Build and support Python-based ETL pipelines to extract, transform, and load data into the enterprise reporting platform. - Collaborate with automation engineers, analysts, and cloud engineers to design intuitive, data-driven user interfaces. - Integrate frontend components with APIs and automation services built using tools such as Apache Airflow and Databricks. - Participate in sprint planning and technical discussions to refine system designs and requirements. - Ensure data accuracy, performance, and maintainability across frontend and backend components. Qualifications - At least 5 years of experience in front-end development using React and hands-on experience using Redux for state management in production React applications. - At least 2 years of experience developing Python scripts for automation or ETL workflows, including usage and familiarity with Pandas. - Strong experience developing front-end applications using HTML, TypeScript, and CSS with a focus on responsive design and modern UI/UX. - Strong understanding of RESTful APIs, React component design and common component libraries, and secure web development practices. - Proficiency in writing unit tests using frameworks such as Jest. - Experience working in a collaborative code environment and familiarity with Git, CI/CD pipelines, and modern development workflows. - Bachelor’s degree in Computer Science, Software Engineering, or a related field. - Be a U.S. citizen able to pass a background investigation by the client agency. DHS clearance with CBP/ICE or DoD Top-Secret preferred. Benefits - 401(k) - 401(k) matching - Dental insurance - Disability insurance - Flexible schedule - Flexible spending account - Health insurance - Life insurance - Professional development assistance - Vision insurance

At Leadtech, we’ve been redefining digital businesses since 2009, creating innovative online solutions that reach millions of users every month. With a diverse team of over 700 members from 23+ nationalities, we’re united by a passion for creativity and collaboration. We specialize in delivering user-centric experiences across web and mobile platforms, where people can connect with our products like never before. We’re proud of our global reach and committed to fostering an inclusive workplace where every individual contributes to our shared vision of bringing cutting-edge projects to life. Learn more about our journey and mission on our About us! page!