Contingent Test Engineer

Join our dynamic team at Aretum as a Contingent Test Engineer! In this role, you will leverage your expertise in software testing to ensure the highest quality in our products. You will collaborate with cross-functional teams to design, develop, and execute test plans, while also identifying and reporting defects. This position is ideal for someone who is detail-oriented, enjoys problem-solving, and is passionate about delivering excellence.

Public Trust Eligibility Required This is a contingent position. Employment depends on Aretum receiving the associated contract award and successful completion of any required background investigation or security clearance verification. This remote Scrum Master & QA Test Engineer role supports a federal technology modernization project. The position blends scrum facilitation with quality assurance testing, contributing to both team process and software reliability. What you will do Facilitate scrum ceremonies, including daily stand-ups, backlog refinement, sprint planning, and sprint reviews Keep project documentation current and organized Carry out manual and automated testing during sprint cycles Create and maintain test automation frameworks Test for functionality, integration, accessibility (WCAG 2.1 AA), and performance Review UI code to confirm accessibility standards are met Execute load and performance tests before key releases Share clear, actionable feedback with developers, product owners, and leadership Additional details Team members may work with Controlled Unclassified Information (CUI) and must follow all safeguarding and compliance protocols required for federal consulting work.

Join our dynamic team at StemXpert1 as an Automation Test Lead specializing in the finance domain. You will play a pivotal role in ensuring the quality and reliability of our financial software solutions. If you are passionate about automation testing and have a strong background in finance, we invite you to bring your expertise to our innovative environment.

Public Trust Eligibility RequiredThis is a contingent position, meaning your employment is contingent upon the successful award of the associated contract to Aretum and the completion of any required background investigation or security clearance verification.About AretumAretum is a mission-driven organization dedicated to providing innovative, technology-enabled solutions to our clients within the defense, civilian, and homeland security sectors. We operate at the intersection of strategy, technology, and transformation, assisting agencies in overcoming their most pressing challenges. Our commitment to investing in our people fosters a culture that prioritizes collaboration, inclusion, and professional development.Job SummaryAretum is looking for a talented and driven UX Designer to join our dynamic team. In this role, you will leverage user-centered design principles to navigate the complete design process, emphasizing the creation of wireframes and prototypes within a cohesive design system. You will also conduct usability testing and accessibility audits to ensure our products fulfill user needs and expectations effectively.Given the nature of our work as a federal consulting organization, employees may be required to manage Controlled Unclassified Information (CUI) and must comply with applicable safeguarding and compliance protocols.

Aretum is seeking a Contingent Java Backend Developer to join its remote team based out of McLean, Virginia. This position centers on building backend solutions that support the company’s applications. Role overview The developer will focus on creating and maintaining backend systems using Java. The work involves supporting ongoing projects and contributing to new application features as part of a collaborative team. Work environment This role operates remotely, with a team approach that values support and open communication. Collaboration with colleagues is a key part of daily work.

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

Location: Remote, McLean, Virginia, United States Clearance: Public Trust Eligibility Required This contingent position depends on Aretum securing the associated contract award and successful completion of any required background checks or security clearance processes. Role overview The Senior Python Developer leads integration for custom applications across diverse client systems. This position combines hands-on software development with mentoring responsibilities. As part of a federal consulting team, work may involve handling Controlled Unclassified Information (CUI) and following compliance and safeguarding requirements. What you will do Collaborate across teams in an Agile setting Develop FastAPI endpoints for content delivery Create and maintain microservices Contribute to both front-end and back-end development Mentor junior developers on Python design best practices Design and implement ETL processes Engage actively in team discussions and planning Manage multiple tasks and shifting priorities Work independently as well as within a group Apply strong interpersonal and communication abilities Coordinate with the Project Manager to address evolving client needs Requirements Minimum 8 years of Python development experience 8+ years working with object-oriented programming principles Bachelor’s degree, or 2 additional years of relevant experience in lieu of a degree Skilled in API development and integration Experience with microservices architecture Familiarity with JavaScript and JQuery Knowledge of search engines such as Solr or Elasticsearch Background designing and developing enterprise web and search systems Experience with enterprise database technologies, including Postgres and MySQL Hands-on with containerization tools like Docker, Podman, or Kubernetes Comfortable working with open-source solutions Familiarity with enterprise Python applications Expertise in CI/CD solutions Experience with large AWS deployments and Terraform Practice working within Agile methodologies Preferred Bachelor's degree in Computer Science or a related field

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 the vibrant team at 360IT Professionals as a Mobile Quality Assurance Engineer, where you will play a pivotal role in ensuring the quality and performance of our mobile applications. You will conduct rigorous testing, identify bugs, and collaborate with cross-functional teams to deliver high-quality products that enhance user experience.

aretum is seeking an Agile Process Subject Matter Expert (Scrum Master) for a contingent, remote position based in McLean, Virginia. This role centers on guiding teams in Agile practices to help deliver projects successfully. Role overview The Scrum Master will facilitate key Scrum ceremonies, such as sprint planning, daily stand-ups, and retrospectives. A focus on encouraging best practices and supporting the team’s continuous improvement is central to this position. What you will do Lead and organize Scrum ceremonies for the team Promote and reinforce Agile methodologies throughout the project lifecycle Support ongoing improvement and collaboration within the team Location This is a remote role with a base in McLean, Virginia, United States.

Join our dynamic team at Astor & Sanders Corporation as an Automated Quality Assurance Tester. We are looking for someone with a passion for technology and a keen eye for detail to enhance our quality assurance processes. In this role, you will be responsible for developing and executing automated tests, ensuring our software meets the highest quality standards.

Join Range as an Engineering Manager, where you will lead a dynamic team of engineers to deliver innovative solutions. You will be responsible for overseeing engineering projects from conception through execution while fostering a culture of collaboration and excellence within your team.

We are seeking a dedicated and skilled Systems Engineer to join our dynamic team at 360itprofessionals1. In this role, you will be responsible for designing, implementing, and maintaining complex systems that meet our clients' needs. Your expertise will contribute to the seamless integration of various technologies, ensuring optimal performance and reliability.You will collaborate with cross-functional teams to troubleshoot issues, develop solutions, and support system deployments. If you are passionate about technology and eager to work in a fast-paced environment, we want to hear from you!

Astor & Sanders Corporation (Astor) is a prestigious IT solutions provider based in McLean, Virginia, recognized for delivering innovative technology services. We are currently in search of a Systems Engineer to join our dynamic team. This is a full-time position with a hybrid work model available in the Washington DC Metro area.Key ResponsibilitiesArchitect, develop, and manage cloud and virtualized infrastructures, guaranteeing optimal availability and scalability of systems.Configure and oversee load balancing devices to enhance traffic flow and system efficiency.Create, deploy, and support containerized applications alongside a microservices framework.Administer Oracle Databases and Middleware to ensure robust performance and security.Collaborate with software development teams to facilitate Java/J2EE applications.Support and maintain Windows and Linux application servers in both development and production settings.Utilize automation and configuration management tools including Ansible, Terraform, Airflow, and Liquibase for infrastructure management.Develop, maintain, and optimize AWS Lambda functions for serverless deployments.Assist in implementing business intelligence and reporting solutions.Effectively communicate complex technical ideas to both technical and non-technical audiences.Ensure secure operation of financial systems, adhering to compliance standards.Employ MS Office 365 tools for documentation and collaboration.Serve as a subject matter expert for cloud services and Oracle administration.Perform additional duties as required.

Join usm2 as an Engineering Manager, where you will lead a dynamic team of engineers in innovative projects that drive technology forward. You will be responsible for overseeing engineering processes, ensuring high-quality outputs, and fostering a collaborative environment that encourages creativity and professional growth.

We are seeking a talented and motivated Deployment Engineer to join our dynamic team at usm2. In this role, you will be instrumental in deploying cutting-edge solutions that enhance operational efficiency and drive technological advancement. If you are passionate about technology and thrive in a fast-paced environment, we want to hear from you!

Join Credence, where we empower our clients to achieve their mission-critical goals through innovative technology solutions. We specialize in advanced capabilities such as AI/ML, enterprise modernization, and intelligence enhancement for leading defense and healthcare federal organizations. Our commitment to partnership and trust drives mission success for warfighters and contributes to a more secure future for our nation.As a privately held company, Credence has consistently earned accolades as a top workplace and has proudly maintained a position on the Inc. 5000 Fastest Growing Private Companies list for the past 12 years. Our culture is rooted in servant leadership, emphasizing the success of our clients, team members, and partners to maximize collective achievements.We are currently seeking a skilled Cloud Engineer to support our contract with the DLA Enterprise Sourcing, Medical and Contingency (ESMC) portfolio. This role involves providing secure cloud hosting, modernization, and maintenance for mission-critical applications using AWS GovCloud and AWS Secret Regions. The Cloud Engineer will oversee IL4/IL5-compliant cloud environments, facilitate the migration and optimization of major DLA systems serving over 250,000 government users, implement Infrastructure-as-Code, and automate processes to enhance operational efficiency while ensuring compliance with DoD security standards.

At Appian, we embody the values of Intensity and Excellence, which define our culture and drive our success. We set ambitious standards and strive to meet them, ensuring that every endeavor is executed with precision and quality. Our team approaches challenges with determination and commitment, holding ourselves accountable to achieve the best possible outcomes. By joining Appian, you will become part of a dedicated team that thrives on collaboration and achieving ambitious goals together. As a Distinguished Software Engineer at Appian, you will possess the insight, expertise, and communication skills necessary to guide the technical vision of our products. Serving as a key resource for fellow engineers within feature teams, you will also act as a trusted advisor to product management. Collaborating with other architects, you will champion platform consistency, inspire design best practices, and continuously enhance Appian's technological landscape. This position is located at our headquarters in McLean, VA. Appian thrives on a culture of in-person collaboration, which we believe is essential for our success. Employees in this role are expected to work onsite five days a week to foster this collaborative environment, maximizing opportunities to connect and celebrate our accomplishments together. Responsibilities:Lead transformative technical initiatives independently, addressing complex business challenges.Research and implement technology trends and innovations relevant to Appian.Identify technical constraints to engineering efficiency and spearhead initiatives to resolve them.Take full ownership of an operational or functional area within the architecture team.Deliver product features that meet the highest engineering standards as part of collaborative teams.Develop robust architectural solutions to clear the path for feature development.Conduct and present design reviews regularly.Advise product management on technical opportunities and limitations.Provide technical expertise and design guidance to multiple engineering teams.Mentor and exemplify best practices for fellow engineers.Document and promote design best practices for world-class software development.Contribute innovative ideas to enhance the organization and processes within the architecture function.Communicate effectively on technical developments and decisions.

Location: McLean, VA or Washington, D.C. This position requires U.S. citizenship and all work must be performed within the continental United States. Role overview The Lead AI/ML Engineer at Raft leads the design, development, and deployment of artificial intelligence and machine learning systems for mission-critical settings. This role oversees the entire lifecycle of AI solutions, from initial data ingestion and model training to production rollout. Close collaboration with engineers, data scientists, and product managers is part of daily work. This position connects advanced AI capabilities with practical applications. Working with both clients and internal teams, the Lead AI/ML Engineer ensures delivery of scalable, secure, and high-performance systems that operate in both cloud and edge environments. Key responsibilities Design and build AI and machine learning systems that integrate with high-performance data platforms. Manage the full lifecycle of machine learning solutions, from development through deployment and ongoing operation. Collaborate with cross-functional teams to deliver solutions that address client needs. Raft is a defense technology company based in McLean, VA, serving U.S. military and government agencies. The team specializes in advanced AI and machine learning, focusing on autonomous data fusion and Agentic AI. Raft delivers solutions for distributed data systems and large-scale platforms, developing digital tools that serve millions of Americans. The company emphasizes a cloud-native ecosystem and practical, transformative technology. Learn more at https://TeamRaft.com.

As a Lead Accessibility Engineer at Appian, you will play a pivotal role in ensuring our software solutions are accessible to all users. Your expertise will guide the development teams in implementing best practices and standards for accessibility. You will collaborate with cross-functional teams to enhance user experience, driving initiatives that promote inclusivity and accessibility across our platform.