Senior Full Stack Developer

<p style="margin: 0px;"><strong><span style="font-size: 12pt; font-family: arial, helvetica, sans-serif;">Why Karsun?</span></strong></p><p style="margin: 0px;"><span style="font-size: 12pt; font-family: arial, helvetica, sans-serif;">Join Karsun Solutions to grow your career with the company transforming possible for the US Government.</span></p><p style="margin: 0px;"> </p><p style="margin: 0px;"><span style="font-size: 12pt; font-family: arial, helvetica, sans-serif;">At Karsun, collaboration drives our community. We’re committed to building an environment where team members from diverse backgrounds can innovate, learn and grow with us. Here at Karsun, the only limit to your potential is the limit of your curiosity.</span></p><p style="margin: 0px;"> </p><p style="margin: 0px;"><span style="font-size: 12pt; font-family: arial, helvetica, sans-serif;">Join Team Karsun, and Find Your Next!</span></p><p style="margin: 0px;"> </p> <p style="margin: 0px;"><strong><span style="color: #2d2d2d; font-family: arial, helvetica, sans-serif; font-size: 12pt;">Summary</span></strong></p><p style="margin: 0px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Karsun Solutions is seeking an experienced Senior Full Stack Developer to support and enhance existing applications while designing, building, and deploying new enterprise solutions. This role will serve as a technical lead responsible for maintaining legacy Java Server Pages (JSP), Python components, and PL/SQL scripts, as well as performing hands‑on troubleshooting of application issues, ETL workflows, and data quality challenges. The ideal candidate will also drive modernization initiatives, guiding the transformation of legacy systems into contemporary, well‑architected solutions and </span><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">exploring the integration of artificial intelligence (AI) and machine learning capabilities to advance federal program objectives.</span></p><p style="margin: 0px;"> </p> <p style="margin: 0px;"><strong><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">What You'll Be Doing:</span></strong></p><ul><li><span style="font-size: 12pt; font-family: arial, helvetica, sans-serif;">Maintain and enhance legacy applications built with open‑source, COTS, and </span><span style="font-size: 12pt; font-family: arial, helvetica, sans-serif;">front‑end components using frameworks such as Tomcat, JSP, Node.js, jQuery, </span><span style="font-size: 12pt; font-family: arial, helvetica, sans-serif;">and Python, ensuring security, performance, and compatibility.</span></li><li><span style="font-size: 12pt; font-family: arial, helvetica, sans-serif;">Troubleshoot and resolve data platform integration issues involving backend </span><span style="font-size: 12pt; font-family: arial, helvetica, sans-serif;">APIs and database connections to improve system reliability and efficiency.</span></li><li><span style="font-size: 12pt; font-family: arial, helvetica, sans-serif;">Manage multiple ETL and data‑processing workflows, ensuring accurate data </span><span style="font-size: 12pt; font-family: arial, helvetica, sans-serif;">transformation and preparation.</span></li><li><span style="font-size: 12pt; font-family: arial, helvetica, sans-serif;">Analyze business requirements, design system architectures, and provide </span><span style="font-size: 12pt; font-family: arial, helvetica, sans-serif;">technical leadership for new technology initiatives.</span></li><li><span style="font-size: 12pt; font-family: arial, helvetica, sans-serif;">Collaborate with business users to understand requirements and deliver </span><span style="font-size: 12pt; font-family: arial, helvetica, sans-serif;">functional enhancements.</span></li><li><span style="font-size: 12pt; font-family: arial, helvetica, sans-serif;">Develop proofs of concept, prototypes, and demonstration environments to </span><span style="font-size: 12pt; font-family: arial, helvetica, sans-serif;">support solution development, including evaluating AI and machine‑learning </span><span style="font-size: 12pt; font-family: arial, helvetica, sans-serif;">capabilities.</span></li><li><span style="font-size: 12pt; font-family: arial, helvetica, sans-serif;">Design, build, and maintain APIs, data management processes, and workflow </span><span style="font-size: 12pt; font-family: arial, helvetica, sans-serif;">architectures to modernize legacy applications.</span></li><li><span style="font-size: 12pt; font-family: arial, helvetica, sans-serif;">Assess emerging AI tools, frameworks, and platforms to identify practical </span><span style="font-size: 12pt; font-family: arial, helvetica, sans-serif;">adoption opportunities aligned with mission and program needs.</span></li><li><span style="font-size: 12pt; font-family: arial, helvetica, sans-serif;">Perform code reviews, write unit tests, and maintain applications using modern </span><span style="font-size: 12pt; font-family: arial, helvetica, sans-serif;">DevOps practices, including version control and CI/CD pipelines. Apply best </span><span style="font-size: 12pt; font-family: arial, helvetica, sans-serif;">practices in coding, testing, security, and software architecture to deliver modular </span><span style="font-size: 12pt; font-family: arial, helvetica, sans-serif;">and maintainable solutions.</span></li><li><span style="font-size: 12pt; font-family: arial, helvetica, sans-serif;">Collaborate with cross‑functional teams, maintain technical documentation, </span><span style="font-size: 12pt; font-family: arial, helvetica, sans-serif;">support version control and release management, and contribute to reusable </span><span style="font-size: 12pt; font-family: arial, helvetica, sans-serif;">component design to improve efficiency and innovation.</span></li></ul><p style="margin: 0px;"> </p> <p style="margin: 0px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><strong>Required Qualifications:</strong></span></p><ul><li><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Bachelor’s degree in Computer Science, Information Technology / or Engineering (any field), Data Science, or related technical field.</span></li><li><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">10+ years of software development experience, including at least 1 year of hands-on experience, education or training in developing AI or machine learning solutions.</span></li><li><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Ability to troubleshoot complex technical issues with integrated systems across applications and data tiers.</span></li><li><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Experience building the architecture and design (architecture, design patterns, reliability, and scaling) of new and current systems.</span></li><li><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Experience in implementing security protocols across services and products and deploying applications in cloud environments.</span></li><li><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Experience with DevOps practices including Git-based version control and CI/CD pipelines.</span></li><li><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Strong ability to communicate complex technical concepts to both technical and non-technical stakeholders.</span></li></ul> <p style="margin: 0px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><strong>Preferred Qualifications:</strong></span></p><ul><li><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Master’s degree in Computer Science, Artificial Intelligence, or related field and 2+ years’ experience as a Full Stack Developer or Software Developer.</span></li><li><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Experience must include analyzing, maintaining or developing and enhancing applications and front-end components.</span></li><li><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Experience integrating AI solutions with enterprise data platforms such as ETL and Reporting or collaboration platforms.</span></li></ul><p style="margin: 0px;"> </p> <p style="margin: 0px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><strong>Things to Know:</strong></span></p><p style="margin: 0px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><strong>Commitment to Non-Discrimination</strong></span></p><p style="margin: 0px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law.</span></p><p style="margin: 0px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"> </span></p><p style="margin: 0px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><strong>Salary Range</strong></span></p><p style="margin: 0px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">The proposed salary range for this role is $140,000 to $158,000 USD. The salary range provided is a good faith estimate representative of all experience levels. Karsun considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.</span></p><p style="margin: 0px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"> </span></p><p style="margin: 0px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><strong>Third Party Resumes:</strong> Karsun does not accept unsolicited resumes through or from search firms or staffing agencies. All unsolicited resumes will be considered the property of Karsun and Karsun will not be obligated to pay a placement fee.</span></p><p style="margin: 0px;"> </p><p style="margin: 0px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><strong>Clearance Information</strong></span></p><p style="margin: 0px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">This position requires the eligibility to obtain a security clearance. The Defense Industrial Security Clearance Office (DISCO), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website: <a href="https://www.state.gov/m/ds/clearances/c10978.htm" target="_blank" data-saferedirecturl="https://www.google.com/url?q=https://www.state.gov/m/ds/clearances/c10978.htm&source=gmail&ust=1749802362665000&usg=AOvVaw3dKEOeLnWVas1sYLyxvnho" rel="noopener">https://www.state.gov/m/<wbr>ds/clearances/c10978.htm</a></span></p><p style="margin: 0px;"> </p><p style="margin: 0px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><strong>Location</strong></span></p><p style="margin: 0px;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">To be considered for this role, you must reside in one of the following states: CA, CO, DC, FL, GA, IL, MD, NJ, NY, NC, OH, OK, PA, SC, TX, VA, WV.</span></p><p style="margin: 0px;"> </p><p style="margin: 0px;"><em><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Applicants must be authorized to work in the U.S. We may consider candidates currently in H-1B status who are eligible for transfer.</span></em></p>

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Common Interview Questions And Answers

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This is what this question poses: When do you focus and start working seriously? What are the hours you work optimally? Are you a night owl? A morning bird? Remote teams can be made up of people working on different shifts and around the world, so you won't necessarily be stuck in the 9-5 schedule if it's not for you...

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Or you may receive even more specific questions, such as: What's on your calendar? Do you plan blocks of time to do certain types of work? Do you have an open calendar that everyone can see?...

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The day I watched Marie Forleo's film separating the important from the urgent, my life changed. Not all remote jobs start fast, but most of them are...

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Just as communication is essential when working remotely, so is organization. Because you won't have those opportunities in the elevator or a casual conversation in the lunchroom, you should take advantage of the little time you have in a video or phone conference...

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This is a great question because it shows your comfort level with technology, which is very important for a remote worker because you will be working with technology over time...