Backend Engineer

Our client is seeking a Software Engineer with solid experience in developing production-level Qt/QML-based GUI applications. The role involves translating designs into functional, responsive, and efficient interfaces for new commercial technology product development. Candidates should have solid Linux/C++ experience and an eye for clean, user-friendly UI design. A portfolio (small or large) of past Qt/QML-based GUI is important. Background in embedded systems or firmware engineering is important. This is a 12-month Hybrid contract assignment (at least 2 days remote – possibly more down the road) in San Diego near I-15 and Mira Mesa Blvd. When in the office the environment is super casual and fun! ***Our client needs someone immediately - but only U.S. persons, no visa holders please*** Linux AND Qt AND qml AND C++ AND (embedded OR firmware OR rtos) AND (UI OR UX) Requirements: • Proficiency in Qt/QML development • Strong C++ programming skills • Experience delivering production-quality applications Bonus: UI/UX design portfolio Embedded/firmware engineering experience Please respond to this listing with your resume, why you would be a good fit for this role with the subject line "Qt/QML Hybrid Software Engineer Contract Position".

Qualis LLC is seeking a highly experienced Golden Dome for America System of Systems Integration SME to provide expert-level technical leadership and mission integration support across a portfolio of highly classified space control, ground, and C2 systems. The successful candidate will lead and support system design, integration, test, and operational efforts for advanced space control systems—ensuring the alignment of technical architectures with mission requirements. Essential Duties: Serves as a senior technical authority for development and integration of highly classified space control systems, including space, ground, and command-and-control (C2) elements. Guides the maturation of emerging technologies through all Technology Readiness Levels (TRLs) from concept to deployment. Leads and contributes to the development of space system architectures, system-level technical requirements, and associated program documentation in support of ACAT-like programs. Provides systems engineering and program management expertise for information operations and multidomain space and airborne capabilities. Conducts system-level design reviews, technical audits, and risk assessments. Supports space situational awareness (SSA) architecture development and assess associated capability gaps and limitations. Offers technical leadership across multiple space control technologies including optical sensors, radar, SIGINT, electronic support measures, and communications systems. Leads the integration, test, and operations planning for ground system architectures in support of space control missions. Interfaces with government stakeholders to ensure technical solutions align with mission needs and strategic objectives. Requirements Required Qualifications: Active Top Secret clearance with SCI eligibility. Minimum of 15 years of experience in space systems engineering, systems integration, and technical program leadership. Demonstrated expertise in the full lifecycle of space system development—from architecture and design to test, integration, and operational fielding. Proven experience coordinating across classified programs and complex acquisition frameworks. Strong understanding of SSA capabilities, limitations, and future architecture needs. Track record of developing and managing high-level technical documentation, reviews, and artifacts for large defense programs. In-depth knowledge of space control mission areas and supporting ground infrastructure. Exceptional communication, coordination, and leadership skills, particularly in multi-agency or cross-domain environments. Preferred Qualifications: Advanced degree in Engineering, Physics, Space Systems, or a related technical discipline. Prior experience with ACAT I or II programs and DoD 5000-series documentation. Experience working within Special Access Programs (SAPs) or compartmented environments. Benefits Qualis LLC is committed to hiring and retaining a diverse and talented workforce who can contribute to the mission and vision of the Company. Our employees are our greatest asset and we promote a positive work environment, teamwork, professional growth, innovation, community involvement, flexible scheduling and a family-friendly work environment. Equal Opportunity Employer/M/F/Vet/Disabled and a Participant in E-Verify

We are developing next-generation AI platforms that fuse finance and learning — built to deliver real execution and measurable results for businesses and professionals. We’re seeking visionary technical builders to join as Co-Founders / Founding Engineers at the pre-launch stage. This is not a traditional job — it’s an opportunity to shape a first-of-its-kind startup from the ground up. We’re especially interested in entrepreneurial talent with expertise in: • AI/ML Engineering • Full-Stack Development • Cloud Architecture • UI/UX Design Compensation: Equity-based founding role (with flexibility to discuss minimal salary support if needed). To apply: Please reply with a short note on your background, your key technical skills (e.g., AI/ML, full-stack, cloud, UX/UI), and attach your resume/CV. Selected applicants will then receive more details, including company information and a formal application link.

We are seeking an experienced meshing expert with a proven track record in developing parallel codes for adaptive meshing. You will play a pivotal role in the design, development, and optimization of the next generation meshing technologies that power our simulation software. This role requires deep technical expertise, leadership, and a passion for innovation in meshing technologies. This position is on-site in Eden Prairie, MN Requirements Key Responsibilities: Lead the design and development of efficient and robust isotropic and anisotropic meshing technologies for complex engineering geometries Design, implement and optimize efficient and robust parallel mesh adaptation algorithms for FEA simulations with extreme deformations, targeting multi-node CPUs and GPUs Collaborate with cross-functional teams (including UI, QA, and product management) to integrate meshing solutions into our software ecosystem and deliver seamless user experience Mentor and guide software development teams, providing technical leadership and fostering a culture of innovation and excellence Translate complex user and business requirements into robust, scalable software solutions Profile and optimize code for speed, scalability, and maintainability, following best practices in software engineering (including code review and continuous integration) Validate simulation results by correlating with experimental or real-world data Contribute to product development, release, maintenance, and support phases, ensuring long-term quality and extensibility Qualifications: Advanced degree (MS/PhD) in Computer Science, Mechanical Engineering, Applied Mathematics, or related field with a focus on computational geometry, numerical methods, or high-performance computing. 5+ years of professional experience in software development, with significant experience in parallel and adaptive meshing for CAE or CFD applications Expertise in C++ Experience with GPU programming (CUDA, OpenCL) is highly desirable Strong background in computational geometry, unstructured mesh generation, and mesh adaptation for 2D/3D domains Expertise on surface cleanup and surface meshing, including non-manifold surface meshes. Expertise on feature-preserving isotropic and anisotropic volume meshing Exposure to FEA/CFD theories and practices Demonstrated experience developing massively parallel codes for distributed and shared-memory architectures Familiarity with scientific visualization, 3D geometry manipulation, and interactive meshing tools is a plus Excellent communication skills for technical reporting and cross-team collaboration Proven leadership and project management abilities; experience mentoring or managing software teams is preferred Benefits Why Join Third Wave Systems? Opportunity to work on industry-leading simulation software. Collaborate with a multidisciplinary team of experts. Make a direct impact on manufacturing innovation! $100,000 - $135,000 base salary Third Wave Systems offers a comprehensive employee benefits program for full-time employees, including: 401(k) Health insurance Dental insurance Paid time-off Holiday pay

Unison Consulting, Inc. (Unison) is a leading aviation consulting firm with more than 36 years of experience advising clients around the world. Unison has provided aviation consulting services to over 150 airports throughout the United States, Canada, South America and the Caribbean, including 17 of the 25 busiest U.S. airports. Unison is a recognized industry leader and we seek self-motivated, driven individuals to help us bring innovative ideas to our clients. Interested individuals should have talents and experience commensurate with the position being pursued. Unison is seeking a software engineer who can wear every hat in the full development life cycle of Net applications. Our ideal candidate is a highly motivated individual who is looking to learn about the latest programming languages to create and extend applications that are flexible and scalable across a wide range of strategies. Primary duties will include UI development, database development, integration with 3rd party applications and middleware development. Required Experience • Minimum 3 years’ experience with the following technologies: • HTML, JavaScript, jQuery, AJAX, Bootstrap • Visual Studio • Writing SQL queries and stored procedures of moderate complexity on SQL Server or Oracle PLSQL • Knowledge of SOAP and RESTful web services • Self-motivated; experience working well both independently and collaboratively Desired but not required • Experience with PowerBI • Experience with Oracle Report Builder Job Type This is a permanent fulltime onsite position (hybrid work environment). No contract/ C2C or sponsorship is available for this position. Must be authorized to work in the US without expiration. Required Education • Bachelor degree preferred • Minimum High School with a minimum of 5 years work experience Other Requirements • Must pass an aptitude test Benefits • Competitive base salary and overall compensation package • Full benefits: Medical, Dental, Vision • Paid vacation, sick, and holidays • Life Insurance coverage • 401K with company match • Tuition reimbursement Schedule: • 8 hour shift Pay $83,000.00 $87,000.00 per year

Team CATHEXIS elevates the government contracting experience through rapid response, deep skill, and thoughtful problem-solving and communication. Our core capabilities are our top-tier program and project management, data analytics, and audit services, the backbone of which is our integrated approach to operational excellence. You worked hard to get to where you are. You strive to make every day better than the day before. So do we. Team CATHEXIS operates with an all-in mindset. We are working together to create a company that supports our shared values and individual goals. Our values are centered around Respect, Engagement, Customer Service, Integrity, Teamwork, and Excellence in everything we do for our employees, clients, partners, and communities. We believe success is best when we listen and lead with empathy; model high standards of ethics to provide a rewarding candidate experience; work hard, have fun, and appreciate the strengths we all bring to the team; and empower our employees to create innovative and trusted results. We are looking for a dynamic Site Reliability Engineer (SRE) to join our team.  The Site Reliability Engineer (SRE) will manage, monitor, and optimize our clusters on Kubernetes. Together, we’re accelerating our clients’ digital transformation through the building and deployment of data-driven, scalable AI solutions.  The ideal candidate will have a deep understanding of Kubernetes, Cloud Infrastructure, and Infrastructure as Code (IaC) practices. You will be responsible for ensuring the reliability and scalability of our Kubernetes clusters and Cloud Infrastructure. Responsibilities: Monitor and Manage Kubernetes Clusters: Ensure the stability, health, and scalability of Kubernetes Clusters, deploying applications and services on Kubernetes Kubernetes Management: Deploy, monitor, and scale applications on Kubernetes clusters. Maintain Helm charts, manage services, and ensure resource allocation for optimal cluster performance Cloud Infrastructure Management: Work with leading Cloud Platforms (AWS, GCP, Azure) to set up, configure, and manage infrastructure resources using Infrastructure as Code (Terraform, CloudFormation, etc.) Monitoring & Incident Response: Set up monitoring solutions, define alerts, and manage the incident response process for any issues related to Jenkins, or Kubernetes clusters Automate Infrastructure Processes: Build automation tools for scaling, monitoring, and maintaining infrastructure using modern tools like Terraform, Ansible, or equivalent Collaborate Across Teams: Work closely with development, services, and operations teams to ensure a seamless integration between application development and infrastructure Security & Compliance: Ensure all systems follow best practices in terms of security and compliance with relevant regulations. This includes role-based access, encryption, and automated vulnerability scanning Requirements: Active Secret Clearance is required Bachelor’s degree (or equivalent) in computer science or related discipline A minimum of two(2) years of experience working with on-premise and off-premise cloud environments Experience with AWS, Azure and / or GCP Ability to program (structured and OOP) using one or more high-level languages, such as Python, Java, C/C++, Ruby, and JavaScript Experience with distributed storage technologies such as NFS, HDFS, Ceph, and Amazon S3, as well as dynamic resource management frameworks (Apache Mesos, Kubernetes, Yarn) Proactive approach to identifying problems, performance bottlenecks, and areas for improvement Agile/Scrum experience CATHEXIS offers competitive compensation packages to all eligible employees. Our goal is to provide a compensation package that reflects the value you bring to our team, is competitive with market rates, and promotes your financial security and personal well-being. The annual salary range for this role is $136,000 - $170,000. Please note that the salary information provided is a general guideline. CATHEXIS considers various factors in its final offer, including location, qualifications, experience, and skills.  CATHEXIS is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law. If you are an individual with a disability and would like to request a reasonable accommodation as part of the employment selection process, please contact the Recruiting@cathexiscorp.com.