Mainframe Tester

Join our dynamic team at StemXpert1 as a Mainframe Developer, where you will have the opportunity to work on cutting-edge projects that drive innovation and efficiency. In this role, you will be responsible for designing, developing, and maintaining mainframe applications that are critical to our operations.Your expertise will play a crucial role in enhancing our systems and meeting the diverse needs of our clients.

Role Overview:As a Child Development Specialist at Positive Development, you will engage directly with autistic children to foster their communication, social, and daily living skills through dynamic, play-based interactions. Your efforts will have a profound impact on their growth and development.Our Mission: At Positive Development, we are dedicated to creating opportunities for every child to flourish and for emerging professionals to acquire invaluable skills. Join us in making a difference!Why Choose This Position: This role goes beyond passive observation; you will actively coach and connect with children, gaining hands-on experience that is essential for careers in various fields, including psychology, social work, occupational therapy, speech-language pathology, special education, counseling, and healthcare.This deeply rewarding work requires patience, emotional maturity, and a commitment to the developmental journey of each child. You will receive guidance and support from seasoned clinicians and supervisors invested in your professional growth.Ideal Candidates: We are particularly interested in individuals who are:Passionate about supporting children and adolescentsCurious about human development and learning processesEmpathetic, patient, and enthusiasticReliable and committed to maintaining a consistent scheduleComfortable working in a home-based setting with familiesGreat candidates may include education majors, psychology students, pre-medical students, nursing students, or anyone eager to make a positive impact.

Join Aretum as a .NET Developer and be part of an innovative team dedicated to building cutting-edge applications. As a key player in our development process, you will design, develop, and maintain high-quality software solutions that meet the needs of our clients.

Join our team at CareerGuidant as a Java ODM Developer where you will play a crucial role in designing, developing, and maintaining our innovative software solutions. You will have the opportunity to work on cutting-edge technologies and collaborate with a dynamic team of professionals.

Join us at 360IT Professionals, where we seek a skilled .NET Developer to contribute to innovative projects that shape the future of technology. As a part of our talented team, you will have the opportunity to design, develop, and maintain high-quality software solutions. Your expertise in .NET frameworks and collaborative spirit will be essential in driving successful outcomes for our clients.

Join Aretum as an Angular Frontend Web Developer and be part of a dynamic team that values innovation and creativity. In this remote role, you will design and implement user-friendly web applications, contributing to exciting projects that impact our clients directly.

Senior Appian DeveloperAstor & Sanders Corporation (Astor) is a distinguished IT solutions provider located in McLean, VA, currently on the lookout for a talented Senior Appian Developer. This is a full-time, hybrid opportunity within the DMV region.The Senior Appian Developer plays a pivotal role in hands-on Appian application development, guiding cross-functional technical teams, and ensuring comprehensive system performance. Collaboration with architects, business analysts, and project managers is essential to design and deliver high-quality, secure, and scalable Appian-based applications. This position requires extensive expertise in Appian design objects, integrations, process models, and industry best practices.ResponsibilitiesDevelop, enhance, and maintain Appian applications, including interfaces, process flows, records, reports, and integrations.Lead a team of developers throughout the complete software development lifecycle: requirements gathering, design, development, testing, deployment, and maintenance.Conduct code reviews, solve complex technical challenges, and mentor the team in adhering to best practices and coding standards.Implement and manage DevSecOps practices to automate testing, security scans, and deployment pipelines.Provide high-level architectural guidance and ensure solutions comply with DOL’s enterprise architecture and relevant regulations (FISMA, FedRAMP).Work alongside the business analyst and scrum master to refine user stories, establish acceptance criteria, and ensure realistic development timelines.Coordinate security assessments, prepare documentation for audits, and address vulnerabilities within set timeframes.

Join usm2 as a skilled .NET Developer and make a significant impact on our innovative projects. You will be part of a dynamic team dedicated to delivering high-quality software solutions using the latest technologies.

Location: Remote , McLean, Virginia, United States Clearance: Public Trust Eligibility Required This contingent position depends on Aretum’s successful contract award and completion of any required background check or security clearance. Role overview The Contingent Frontend Vue.js Developer will focus on building and integrating a custom application with multiple client systems. This position emphasizes frontend development using Vue.js to deliver solutions for federal clients. Some assignments may involve handling Controlled Unclassified Information (CUI) and following compliance requirements. What you will do Work as part of an Agile team Develop and maintain custom web applications in a microservices environment Concentrate on frontend tasks, with occasional backend support Apply accessibility standards throughout the development process Collaborate closely with team members Manage multiple assignments at once Work independently and as part of a team Communicate clearly with team members and stakeholders Coordinate with the Project Manager to address changing client needs Requirements More than 5 years of experience in custom web application development At least 3 years working with Vue.js (version 3 or higher) 5+ years in full-stack development, with strong knowledge of UI frameworks and backend architecture Bachelor's degree or 2 additional years of relevant experience in place of a degree Proficient in JavaScript and CSS Experience developing and consuming FastAPI and/or RESTful web services Solid understanding of Scrum and Kanban Agile methodologies Strong problem-solving skills in open-source environments Experience with continuous integration (CI) practices Understanding of mobile-friendly web application design Familiarity with Section 508 accessibility standards Strong analytical, collaborative, and communication skills Preferred qualifications Bachelor's degree in Computer Science, Engineering, or a related field Experience supporting federal government projects Knowledge of Vite, Quasar, or Pinia frameworks

Join usm2 as a Senior Development Engineer, where you will lead innovative projects and drive technical excellence within our development team. You will collaborate closely with cross-functional teams to deliver high-quality software solutions that meet our clients' needs. Your expertise will be crucial in enhancing our development processes and guiding junior developers.

Join our dynamic team at usm2 as a JAVA J2EE Developer. We are looking for skilled individuals who are passionate about developing robust and scalable applications using Java technologies. This role is perfect for those who thrive in a fast-paced environment and are eager to tackle challenging problems.

We are seeking a highly skilled Senior Lotus Notes Developer to join our dynamic team at StemXpert1. In this role, you will leverage your expertise in Lotus Notes development to create, maintain, and enhance applications that support our business operations. You will collaborate with cross-functional teams to gather requirements, design solutions, and implement best practices in software development.

Role Overview Aretum is seeking a Contingent Angular Frontend Web Developer to help improve user experiences across our web applications. This remote position is based in McLean, Virginia, United States. What You Will Do Work with Angular to build and refine web application interfaces Collaborate with design and backend teams to deliver software solutions Contribute to projects that address client needs as they evolve Location Remote , McLean, Virginia, United States

Join usm2 as a Senior J2EE Developer and take your career to the next level. In this role, you will leverage your expertise in J2EE technologies to design, develop, and implement dynamic applications. Collaborate with cross-functional teams to deliver high-quality software solutions that meet client needs and drive business success.

Join our dynamic team at 360IT Professionals as a Senior .NET Developer, where you will play a pivotal role in developing robust applications and systems. We are looking for an innovative and experienced developer who is passionate about technology and eager to contribute to exciting projects.In this role, you will collaborate with cross-functional teams to design, develop, and implement high-quality software solutions. You will also have the opportunity to mentor junior developers and help shape the technical direction of our projects.

Join our dynamic Developer Bootcamp focused on Salesforce.com, designed for aspiring developers eager to enhance their skills and knowledge in one of the most sought-after platforms in the industry. This comprehensive program will equip you with practical experience and insights into Salesforce development, preparing you for a successful career in technology.

aretum is seeking a Senior Java Backend Developer to help design and build backend systems for their team. This fully remote role is based out of McLean, Virginia, but allows for work from anywhere in the United States. Role overview This position centers on creating and maintaining backend solutions using Java. Collaboration with cross-functional teams is a key part of the job, ensuring software meets quality standards and project goals. What you will do Design and develop backend systems with Java Work closely with colleagues across different teams Tackle complex technical challenges to deliver reliable software Requirements Strong experience with Java backend development Interest in problem-solving and building technical solutions Ability to work effectively in a remote team environment

Join usm2 as a Salesforce Developer and take the next step in your career! In this role, you will leverage your expertise in Salesforce to design, develop, and implement innovative solutions that enhance our customer relationship management processes. Collaborate with cross-functional teams to ensure seamless integration and optimization of the Salesforce platform.

Join usm2 as a Java Developer in McLean, VA, where you'll play a pivotal role in developing robust applications and solutions. This position is ideal for individuals with a solid background in Java programming, eager to tackle complex challenges and deliver high-quality software. You will collaborate with a team of seasoned professionals to design, implement, and maintain scalable applications.