> Markdown version of [/jobs/ext/1264497-senior-machine-learning-engineer](https://www.wearedevelopers.com/jobs/ext/1264497-senior-machine-learning-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Machine Learning Engineer - **Company:** Str Limited - **Location:** Arlington, VA, United States - **Experience:** Expert - **Salary:** $155,000.0 - $195,000.0 - **Contract:** Permanent contract - **Skills:** HTML, JavaScript (Programming Language), Artificial Intelligence, Cascading Style Sheets (CSS), Software Quality, Code Review, Continuous Integration, Relational Databases, Database Models, Memory Management, Design of User Interfaces, Python (Programming Language), Machine Learning, Language Modeling, Performance Tuning, Software Maintenance, Svelte, Responsive Web Design, Software Deployment, Software Engineering, System Testing, Graphics Processing Unit (GPU), Cloud Platform System, ReactJS, Backend, Information Technology, Front End Software Development, Restful APIs, Docker - **Published:** July 14, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9029794/senior-machine-learning-engineer ## About the Role * Active Secret security clearance, for which U.S citizenship is needed by the U.S government * Enjoys working hard and seeing mission impact * BS degree in Computer Science, Software Engineering, Data Science, Statistics, Mathematics, Physics, or a related technical field * 6+ years of professional software engineering and/or machine learning research experience (or equivalent experience depending on degree) Soft skills * Strong written and verbal communication skills, with the ability to explain complex technical concepts to both technical and non-technical audiences * Demonstrated ability to collaborate effectively within cross-functional teams, give and receive constructive feedback, and mentor others * Comfortable building from partial or ambiguous requirements and iterating quickly based on user feedback and changing mission needs Technical Skills * Experience developing, training, and deploying machine/statistical learning models using modern Python-based frameworks * Experience running models on NVIDIA GPUs * Experience containerizing and deploying software using Docker, and on cloud platform * Experience designing and implementing REST APIs * Experience designing data models and working with relational databases * Fluency in Python and its ecosystem * Proficiency in at least one systems-level language with manual or low-level memory management * Proficiency in HTML, CSS, and JavaScript (experience with a modern frontend framework such as Svelte or React is a plus) * Solid understanding of software engineering principles, including testing, scalability, observability, maintainability, and performance optimization ## Description As a Senior Machine Learning Engineer, you will turn cutting-edge AI/ML research into production systems that solve critical national security problems. Working as part of a multidisciplinary team of researchers, engineers, and domain experts, you will bridge the gap between prototype and product by hardening solutions, building scalable backend services, and creating polished user interfaces with intuitive workflows. You will build software with AI/ML at its core, ranging from classical statistical methods to frontier language models, deployed across a diverse set of platforms including cloud, on-prem, desktop, mobile, and edge devices. In addition, you will collaborate closely with customers to understand mission needs, rapidly prototype capabilities, and iterate based on user feedback. What You'll Do: * Partner directly with customers, stakeholders, and end users to translate mission needs into technical requirements and iterate based on real-world feedback * Drive technical excellence by providing leadership and championing software engineering best practices across multidisciplinary teams * Architect loosely coupled systems prioritizing interpretability, maintainability, and feature growth * Bridge the gap between research and production by implementing novel capabilities into existing live systems * Engineer robust backend services, scalable APIs, and optimized database models * Develop polished, intuitive, and responsive user interfaces in close collaboration with UI/UX designers * Orchestrate the deployment and maintenance of applications across cloud, desktop, mobile, and edge environments, including air-gapped systems * Build and optimize CI pipelines and manage execution runners to maintain code quality and reproducible builds * Contribute to the full software development lifecycle, including strategic project planning, rigorous code reviews, and comprehensive testing ## Related Videos - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Svelte ♥ TypeScript and so will you](https://www.wearedevelopers.com/videos/493-svelte-typescript-and-so-will-you) - [Slopquatting, API Keys, Fun with Fonts, Recruiters vs AI and more - The Best of LIVE 2025 - Part 2](https://www.wearedevelopers.com/videos/1765-slopquatting-api-keys-fun-with-fonts-recruiters-vs-ai-and-more-the-best-of-live-2025-part-2) - [NoLoJS - Avoiding JavaScript Cruft with HTML and CSS - Aaron T. Grogg](https://www.wearedevelopers.com/videos/1806-nolojs-avoiding-javascript-cruft-with-html-and-css-aaron-t-grogg) - [Shipping Faster with Less: Render on Cloud Hosting, AI Workloads, and the Future of DevOps](https://www.wearedevelopers.com/videos/1894-shipping-faster-with-less-render-on-cloud-hosting-ai-workloads-and-the-future-of-devops) ## Related Articles - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Dev Digest 119 - ❤️ === ❤️](https://www.wearedevelopers.com/magazine/454-dev-digest-119) - [Dev Digest 131 - AI'm not sure about OSS](https://www.wearedevelopers.com/magazine/472-dev-digest-131-ai-m-not-sure-about-oss) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)