{"schemaVersion":"jobsearcher.job.v1","id":"7c50aea84dc995bf73d5a518","url":"https://jobsearcher.com/jobs/7c50aea84dc995bf73d5a518","canonicalUrl":"https://jobsearcher.com/jobs/7c50aea84dc995bf73d5a518","title":"Application Developer  Sr.","description":"divh2Sr. Application Developer/h2pCastalia Systems is seeking a Sr. Application Developer, to support our client. The ideal candidate will be able to apply comprehensive knowledge across key tasks and high impact assignments. Plan and lead major technology assignments./ppRoles and Responsibilities/ppA qualified candidate will perform the following duties and responsibilities, but are not limited to:/pulliEvaluates performance results and recommends major changes affecting short-term project growth and success./liliFunctions as a technical expert across multiple project assignments./liliMay supervise others./li/ulpRequired Qualifications/pulliPossess a minimum 8 years of experience related to the specific labor category with at least a portion of the experience within the last 2 years./liliPossess a Masters degree in an area related to the labor category from a college or university accredited by an agency recognized by the U.S. Department of Education or have Bachelors degree related to the labor category from a college or university accredited by an agency recognized by the U.S. Department of Education and an additional 2 years of related senior experience, for a total of 10 years./liliExperience using Node.js with Typescript, SQL, PostgreSQL, Redis, and Elasticsearch/liliExperience creating solutions to complex problems within a collaborative, cross-functional team/liliAbility to work with automated testing tools to perform testing and maintenance/liliExperience with JSON, Java, JavaScript, SharePoint, XML, VBAs, Oracle, MongoDB, Solr, SQL, Open AI, or other AI technologies/li/ulpPhysical Requirements/Work Environment/pulliNormal office environment./liliHybrid with 2 days/week onsite/li/ulpTravel/pulliAs required/li/ulpCompany Description/ppCastalia Systems is a proven business partner providing mission critical solutions to the Federal Government. We provide cutting edge solutions from Securing and Managing Data to Systems Engineering and Development. Castalia Systems is a pioneer in Artificial Intelligence Design and Application./ppWith our vast knowledge of our customers needs and relevant technology, our team is able to bring successful solutions to every mission. We are one-upping our competitors by providing premium IT solutions and platforms with cutting-edge technology so its so evident when you compare us with anyone./ppCompensation/ppAt Castalia Systems, we provide you with opportunities and choices and support your total well-being. Our benefits include: Medical, dental, vision coverage, 401k matching, generous PTO, paid holidays, professional training opportunities, and even pet insurance to ensure your furry friends are cared for too. All regularly scheduled employees working at least 30 hours per week are eligible to participate in Castalia Systems benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits./ppSalary at Castalia Systems is determined by various factors, including but not limited to location, position knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $190,000.00 to $200,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Castalia Systems total compensation package for employees./ppDisclaimer/ppCastalia Systems is an equal employment opportunity and affirmative action employer and strives to comply with all applicable laws prohibiting discrimination based on race, color, creed, sex, sexual orientation, age, national origin, or ancestry, physical or mental disability, veteran status, marital status, HIV-positive status, as well as any other category protected by federal, state, or local laws. All such discrimination is unlawful, and all persons involved in the operations of the company are prohibited from engaging in this type of conduct./p/div","company":"Castalia Systems","rawCompany":"castalia systems","city":"Washington","state":"DC","isRemote":false,"isActive":false,"createdAt":"2026-05-19T03:53:07.652Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1211.00","title":"Computer Systems Analysts","slug":"computer-systems-analysts"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Application Developer  Sr.","description":"divh2Sr. Application Developer/h2pCastalia Systems is seeking a Sr. Application Developer, to support our client. The ideal candidate will be able to apply comprehensive knowledge across key tasks and high impact assignments. Plan and lead major technology assignments./ppRoles and Responsibilities/ppA qualified candidate will perform the following duties and responsibilities, but are not limited to:/pulliEvaluates performance results and recommends major changes affecting short-term project growth and success./liliFunctions as a technical expert across multiple project assignments./liliMay supervise others./li/ulpRequired Qualifications/pulliPossess a minimum 8 years of experience related to the specific labor category with at least a portion of the experience within the last 2 years./liliPossess a Masters degree in an area related to the labor category from a college or university accredited by an agency recognized by the U.S. Department of Education or have Bachelors degree related to the labor category from a college or university accredited by an agency recognized by the U.S. Department of Education and an additional 2 years of related senior experience, for a total of 10 years./liliExperience using Node.js with Typescript, SQL, PostgreSQL, Redis, and Elasticsearch/liliExperience creating solutions to complex problems within a collaborative, cross-functional team/liliAbility to work with automated testing tools to perform testing and maintenance/liliExperience with JSON, Java, JavaScript, SharePoint, XML, VBAs, Oracle, MongoDB, Solr, SQL, Open AI, or other AI technologies/li/ulpPhysical Requirements/Work Environment/pulliNormal office environment./liliHybrid with 2 days/week onsite/li/ulpTravel/pulliAs required/li/ulpCompany Description/ppCastalia Systems is a proven business partner providing mission critical solutions to the Federal Government. We provide cutting edge solutions from Securing and Managing Data to Systems Engineering and Development. Castalia Systems is a pioneer in Artificial Intelligence Design and Application./ppWith our vast knowledge of our customers needs and relevant technology, our team is able to bring successful solutions to every mission. We are one-upping our competitors by providing premium IT solutions and platforms with cutting-edge technology so its so evident when you compare us with anyone./ppCompensation/ppAt Castalia Systems, we provide you with opportunities and choices and support your total well-being. Our benefits include: Medical, dental, vision coverage, 401k matching, generous PTO, paid holidays, professional training opportunities, and even pet insurance to ensure your furry friends are cared for too. All regularly scheduled employees working at least 30 hours per week are eligible to participate in Castalia Systems benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits./ppSalary at Castalia Systems is determined by various factors, including but not limited to location, position knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $190,000.00 to $200,000.00 (annualized USD). 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