Senior Machine Learning Engineer at Nitra | Washington, DC

About Us: Nitra is dedicated to revolutionizing the healthcare sector through innovative technology solutions. Our mission is to create a streamlined ecosystem of fintech and software tools that empower healthcare professionals to efficiently manage their practices, allowing them to concentrate on what truly matters.At Nitra, we thrive on urgency, ambition, …

About UsAt Nitra, we are dedicated to revolutionizing the healthcare landscape through innovative financial technology solutions. Our mission is to empower healthcare professionals by providing them with the tools needed to efficiently manage their practices, allowing them to focus on what truly matters.We operate with a sense of urgency and a commitment to excellence. Our team is driven by high standards, and we expect ownership, intellectual rigor, and accountability from every member. Together, we make bold decisions and celebrate our collective successes, fostering an environment built on trust and respect.As we embark on a rapid growth trajectory towards unicorn status, we are seeking individuals ready to engage in meaningful work that shapes the future of fintech. If you thrive in a challenging environment and seek to make a significant impact, Nitra is the right place for you.Led by experienced founders who have successfully scaled businesses to substantial exits, our team comprises top talent from renowned companies such as American Express, PayPal, and Meta. We are supported by leading venture capitalists and a network of expert advisors.Nitra offers a hybrid work model, with team members working in the office four days a week, with Wednesdays designated as a remote workday.

About Us: At Nitra, we are committed to revolutionizing the healthcare system through cutting-edge technology. Our mission is to create an integrated ecosystem of fintech and software solutions that empower medical professionals to efficiently manage their practices, allowing them to focus on what truly matters.We operate with a sense of urgency and ambition, setting high standards because we recognize the vast opportunities ahead. We expect excellence, ownership, and intellectual rigor from every member of our team. Our pace is fast, our decisions bold, and we hold ourselves accountable for results. We believe that great companies are built on trust and respect, where every voice is valued, and every contribution counts. When we succeed, we celebrate as a team.We are in a phase of rapid growth, on a clear path to achieving unicorn status this year and beyond. Our success is a product of disciplined execution, relentless focus, and a team that refuses to settle for mediocrity. We are creating a category-defining company, and we are looking for individuals eager to engage in the most impactful work of their careers.If you seek comfort, this may not be the right place for you.If you desire impact, ownership, and the opportunity to contribute to a transformative fintech company, we welcome you.Founded by visionary entrepreneurs who have successfully scaled businesses and achieved over $1 billion in public offerings, Nitra is backed by a team of seasoned experts from renowned companies such as American Express, Citi, PayPal, and others. Our advisors include co-founders of Square and Xendit, as well as former government officials and senior staffers from the White House.We embrace a hybrid work model, with team members working in the office four days a week, and Wednesdays designated as a remote work day.

Nitra creates fintech and software tools designed for healthcare professionals. The company’s mission centers on helping doctors, nurses, practice managers, and private practice owners operate their businesses efficiently, freeing them to focus on patient care. At Nitra, urgency, ambition, and high standards guide daily work. The team values excellence, ownership, and clear thinking. Every voice matters, and achievements are shared company-wide. Trust and respect shape interactions across all levels. Supported by leading venture capital firms and an advisory board with former governors and industry leaders, Nitra’s growth reflects steady execution and focus. The founding team brings experience from scaling startups to public companies and includes talent from American Express, Citi, and PayPal. Role overview The Content Marketing Manager position is based in Washington, DC. This role follows a hybrid schedule: team members work onsite four days each week, with Wednesdays reserved for remote work. Growth and impact Nitra is preparing for significant expansion this year. The company seeks individuals who are ready to take on meaningful projects and contribute to building a business that shapes its category. Those who are motivated by impact and responsibility will find strong opportunities here.

About Us: At Nitra, we are dedicated to revolutionizing the healthcare landscape through innovative fintech and software solutions. Our mission is to empower healthcare professionals by streamlining practice management, enabling them to concentrate on what truly matters: patient care. We embody a culture of urgency, ambition, and high standards. Our team is driven by a shared commitment to excellence, ownership, and intellectual rigor. We prioritize rapid decision-making and accountability, fostering an environment where every team member's voice is valued. Together, we celebrate our successes as a united team. As a rapidly growing company on the cusp of unicorn status, our trajectory is a testament to our disciplined execution and relentless focus. We are on a mission to create a category-defining company, and we seek individuals eager to contribute their best work in a meaningful way. If you thrive on challenge and seek to make a significant impact in the fintech space, we welcome you to join us. Founded by successful entrepreneurs who have built unicorn companies, our team is comprised of seasoned professionals from industry leaders such as American Express, Citi, PayPal, and more. With backing from top-tier venture capitalists and a robust advisory board, we are well-positioned for success. Nitra supports a hybrid work model, allowing team members to collaborate in the office four days a week, while Wednesdays are dedicated to remote work.

The Customer Success Manager at nitra works closely with clients in Washington, DC, focusing on relationship-building and ensuring clients benefit fully from nitra’s services. This position centers on supporting customers throughout their experience, helping them reach their goals, and representing their interests within the company. Key responsibilities Serve as the primary contact for customers, guiding them through their journey with nitra Regularly connect with clients to understand their needs and support their business objectives Represent client interests internally, ensuring their perspectives are heard Share client feedback and insights to help improve nitra’s offerings and enhance the client experience Location This role is based in Washington, District of Columbia, USA.

About Us: At Nitra, we are on a mission to transform the healthcare landscape through innovative technology and efficient solutions. Our objective is to empower healthcare professionals by providing a comprehensive fintech and software ecosystem that allows them to focus on what truly matters—their patients.We operate with a sense of urgency, ambition, and a commitment to excellence. Every team member is expected to demonstrate ownership and intellectual rigor, as we navigate a fast-paced environment that requires bold decision-making and accountability for results. Trust and respect are at the core of our company culture; every voice is valued, and every contribution is significant. Our victories are collective, and we celebrate them together.As we rapidly scale towards unicorn status this year, our growth is a testament to disciplined execution and a relentless focus on our goals. We are dedicated to building a category-defining enterprise, seeking individuals eager to engage in the most impactful work of their careers.If you are looking for comfort, this may not be the right place for you.However, if you are driven by impact, ownership, and the opportunity to contribute to a transformative fintech company, welcome aboard. Nitra is founded by unicorn entrepreneurs with a proven track record of scaling businesses to thousands of customers and executing $1B+ public exits. Our dynamic team comprises professionals from leading organizations like American Express, Citi, PayPal, and more. Backed by prominent VCs such as Andreessen Horowitz and NEA, we are also supported by an elite advisory group including co-founders of Square and Xendit, Intuit executives, and former government officials.Nitra embraces a hybrid work policy, with team members spending four days in the office and Wednesdays designated for remote work.

About Us: At Nitra, we are on a mission to revolutionize the healthcare landscape by developing cutting-edge technology that enhances operational efficiency. Our vision is to create a comprehensive ecosystem of financial technology and software solutions tailored for healthcare professionals, enabling them to focus on what truly matters — patient care.We operate with a sense of urgency, drive, and ambition. Our standards are high because we recognize the vast potential ahead of us. We expect each team member to exhibit excellence, accountability, and critical thinking. Our pace is fast, our decisions are bold, and we are dedicated to delivering results. Trust and respect are fundamental to our culture; we value every voice and every contribution. Together, we celebrate our victories.We are in a rapid growth phase, positioning ourselves toward unicorn status this year and beyond. Our success is a product of disciplined execution, unwavering focus, and a team that refuses to compromise. We aim to establish a leading company in our industry, and we seek individuals eager to engage in meaningful work that will define their careers.If you are looking for a comfortable routine, this may not be the right fit.If you crave impact, ownership, and the opportunity to contribute to a transformative fintech company, we welcome you.Nitra is founded by seasoned entrepreneurs who have successfully scaled companies to thousands of clients and achieved over $1 billion in public offerings. Our team includes talented professionals from leading firms such as American Express, Citi, PayPal, and more. We are backed by prestigious venture capitalists like Andreessen Horowitz and NEA, along with a network of expert advisors.Nitra promotes a hybrid work environment, with team members working in the office four days a week and allowing for remote work on Wednesdays.

About UsHelsing is at the forefront of defense AI technology, dedicated to safeguarding our democratic values. Our goal is to establish technological supremacy that empowers open societies to make independent choices and uphold their ethical standards.As a defender of democracy, we recognize our unique obligation to thoughtfully develop and implement transformative technologies like AI. We take this duty with utmost seriousness.We are a passionate and dedicated team of engineers, AI experts, and program managers, seeking mission-driven individuals to join our European teams and leverage their skills to tackle some of the most challenging and significant issues. We foster a transparent and open culture that encourages constructive discussions about the application of technology in defense, its advantages, and its ethical considerations.The RoleAs an IT Engineer, you will oversee Helsing's IT and infrastructure in the United States. Your responsibilities will span across teams and locations to create a secure and reliable infrastructure that supports collaborative efforts focused on the transmission, development, and delivery of defense technologies in compliance with relevant regulations, standards, and industry best practices. You will play a critical role in enabling Helsing to provide advanced systems that address the challenges of future battlefields.Daily ResponsibilitiesConfigure and manage endpoints, including workstations, laptops, and servers.Provide support for an office consisting of approximately 10-25 employees.Establish and maintain on-premises computer environments primarily based on Linux.Manage and configure our network and VPN infrastructure.Collaborate with Helsing's broader IT team to optimize the operational efficiency of Helsing US's corporate, development, and customer environments, largely utilizing Microsoft 365, Azure, and other SaaS solutions.

Join Our Team as a Sales Development RepresentativeAt Nitra, we are committed to revolutionizing the healthcare landscape through innovative technology solutions. Our mission is to enhance the operational efficiency of healthcare providers, allowing them to focus on delivering exceptional patient care.We operate with a sense of urgency and a drive for excellence. Our expectations are high because we recognize the vast potential in transforming healthcare. Every team member is expected to take ownership, demonstrate intellectual curiosity, and deliver results. Trust and respect are the foundation of our culture; we value every voice and contribution, and we celebrate our collective achievements.As we rapidly scale towards becoming a unicorn, our growth is the product of disciplined execution and a relentless pursuit of excellence. We are not just building a company; we are defining a category and seeking individuals eager to make a significant impact in their careers.If you are ready to embrace challenges and contribute to building a leading fintech company, we welcome you to apply.Our hybrid work model allows team members to work in the office four days a week, with Wednesdays designated for remote work.

Role overview nitra is hiring a Customer Success Lead in Washington, DC. This position focuses on building lasting relationships with clients and making sure customers see real value from nitra’s services. The Customer Success Lead helps clients navigate their journey and works to align nitra’s solutions with each customer’s goals. What you will do Build and maintain trusted relationships with clients Support customers throughout their experience, with an emphasis on satisfaction and product adoption Lead a team that delivers high-quality support Collect and manage customer feedback to guide improvements Collaborate with other teams to refine and enhance nitra’s offerings Requirements Background in customer success or a related field Track record of achieving positive results for customers Strong communication and relationship-building skills Experience leading and motivating a team Comfort working across departments

Join ableserve as a Chief Engineer, where you will lead innovative engineering projects and spearhead the development of cutting-edge solutions. In this pivotal role, you will oversee engineering operations, manage a talented team, and ensure the successful execution of projects from conception to completion.

Nitra develops technology for healthcare professionals, blending fintech and software to help medical practices operate more smoothly. The mission centers on freeing up clinicians’ time for patient care by streamlining day-to-day operations. The company values ambition, accountability, and urgency. Team members are encouraged to take ownership, and contributions are recognized across the organization. Trust and respect shape how colleagues work together, and achievements are celebrated collectively. Nitra is in a period of rapid growth, with a focus on strategic execution and a drive to shape a new category in fintech. The culture favors those who embrace challenge and responsibility, rather than those seeking routine or predictability. Individuals eager to help build new solutions in the fintech space will find opportunities to influence outcomes. Leadership and Investors The founding team includes entrepreneurs with experience scaling successful ventures. Team members have backgrounds at companies like American Express, Citi, and PayPal. Nitra is backed by Andreessen Horowitz and advised by leaders who co-founded Square and Xendit.

Join XMSTART, a leading company in the field of systems engineering, as we seek talented and strategic full-time Systems Engineers to join our dynamic team in Chantilly, VA or Washington, DC. This role requires 100% on-site presence to foster collaboration and innovation.Security Clearance Requirements:Active TS/SCI with Polygraph is mandatoryEducation:Bachelor's Degree is preferredQualifications:Proven technical experience with Intelligence Community (IC) analytic toolsStrong understanding of the system development lifecycle (SDLC)Hands-on experience with systems integration and configurationFamiliarity with programming languages such as Python and Java, along with scripting capabilitiesExpertise in operating systems including Windows and Linux, as well as knowledge of network protocolsResponsibilities:System Design and DevelopmentAssess user requirements and system specificationsCreate system architectures and detailed specificationsIntegrate hardware and software components to deliver fully functional systemsSystem ImplementationInstall, configure, and rigorously test system componentsDevelop and maintain critical documentation, including technical specifications and user manualsEnsure system compatibility and interoperabilitySystem Maintenance and OptimizationMonitor system performance and effectively troubleshoot issuesImplement necessary updates, patches, and upgradesOptimize system processes to enhance efficiency and reliabilityCollaboration and CommunicationCollaborate with cross-functional teams, including developers, network engineers, and project managersCommunicate complex technical concepts to non-technical stakeholdersProvide training and support to end-usersCompliance and SecurityEnsure adherence to industry standards and organizational policiesImplement robust security measures to safeguard system integrity and protect dataXMSTART Inc. is an Equal Opportunity Employer

Join the dynamic team at XMSTART, where we are actively seeking skilled and strategic full-time Systems Engineers based in either Chantilly, VA or Washington, DC. These roles require a commitment to working 100% onsite.Key Responsibilities:Analyze user requirements and system specifications to design effective solutions.Develop system architectures and detailed specifications tailored to client needs.Seamlessly integrate hardware and software components to produce operational systems.System Implementation:Install, configure, and rigorously test system components for optimal performance.Create and maintain comprehensive documentation, including technical specifications and user manuals.Ensure systems are compatible and interoperable with existing infrastructure.System Maintenance and Optimization:Continuously monitor system performance, troubleshoot issues, and implement necessary updates.Enhance system processes to boost efficiency and reliability.Collaboration and Communication:Engage with cross-functional teams including developers, network engineers, and project managers.Translate complex technical concepts into understandable terms for non-technical stakeholders.Provide training and support to end-users to ensure effective system utilization.Compliance and Security:Ensure all systems adhere to industry standards and internal policies.Implement robust security measures to safeguard system integrity and data privacy.XMSTART Inc. is committed to fostering a diverse and inclusive workplace.

Role Overview Viderity is seeking a DevOps Engineer based in Washington, DC. This role focuses on automating build, test, and deployment systems to support a range of codebases, tools, and platforms. What You Will Do Design and implement automated solutions for building, testing, and deploying applications across multiple environments and technologies. Work closely with both legacy and new project teams to improve development pipelines and streamline the software development lifecycle. Maintain and troubleshoot continuous integration systems to keep build and deployment processes running smoothly. Develop, maintain, and troubleshoot automated testing frameworks and tools for a variety of projects and methodologies, including Agile and Waterfall. Set standards for static code analysis and track related metrics across project teams. Architect cloud-based solutions, including configuring and launching virtual machines for application deployment. Work with both Linux and Windows systems, emphasizing automation and scalability. Communicate proactively with project teams to ensure coordination and efficient workflows. Identify and implement improvements to speed and efficiency as technologies evolve. Research new DevOps tools and trends, evaluating open-source options and industry developments for possible adoption.

About Nitra Nitra builds fintech and software solutions for the healthcare industry. Our focus: help healthcare professionals manage their practices more efficiently so they can prioritize patient care. The team operates with urgency and high standards, aiming for excellence and accountability. We value trust and respect, and every team member’s input matters. Success is shared across the group. Our growth is driven by disciplined execution and a refusal to settle. As we scale quickly, we look for people ready to do the most meaningful work of their careers. Comfort isn’t guaranteed here, impact and ownership are. Nitra’s founders have built and exited businesses with thousands of customers and over $1B in public exits. Team members have joined us from organizations like American Express, Citi, PayPal, Capsule, Plaid, Bloomberg, Meta, Facebook, and Mastercard. We are backed by Andreessen Horowitz, NEA, and advised by leaders from Square, Xendit, Intuit, and others. Our hybrid work model includes four days in the Washington, DC office, with Wednesdays remote. Role Overview: Channel Partnerships Manager The Channel Partnerships Manager will build Nitra’s referral partner network from the ground up. This role centers on identifying, prospecting, and developing relationships with organizations in private practice, aesthetics, and medspa sectors. The goal: create a reliable pipeline of high-quality customers through these partnerships. This position suits someone energized by cold outreach, relationship building, and closing deals.

Join Our Innovative AI Lab as a DevOps Engineer!At Cognition, we are at the forefront of applied artificial intelligence, creating cutting-edge software agents that transform the engineering landscape. Our flagship products, Devin—the world's first AI software engineer—and Windsurf, an AI-native integrated development environment (IDE), embody our vision for collaborative AI that allows engineers to tackle more challenging and rewarding problems.Our team is a powerhouse of talent, featuring elite competitive programmers, former entrepreneurs, and leaders from top-tier AI companies such as Scale AI, Palantir, Waymo, Tesla, and Google DeepMind.While we have successfully developed Devin and Windsurf, we recognize that our most significant challenges are still ahead. If you are passionate about solving major global issues and developing AI that can reason through real-world tasks, we invite you to become a part of our journey.About the RoleThis is an exceptional opportunity to become a foundational engineer within our newly established federal division. As one of the pioneering engineers in this vital area, you will have a significant impact on shaping our technical direction and achieving initial project milestones. You will also be crucial in guiding the strategic growth and scalability of our federal engineering team, establishing essential engineering practices, defining our technical stack for federal clients, and influencing the culture of a mission-driven team.As a Federal DevOps Engineer, you will be a full-stack deployment expert, responsible for managing the technical lifecycle of our key federal enterprise deployments.You will lead a focused set of strategic deployments, collaborating directly with customer engineering teams to outline complex deployment requirements, ensure adherence to security protocols, and implement necessary platform modifications.A pivotal aspect of this role is enhancing our products from a deployability and operability perspective. You will make direct modifications to the core codebase, ensuring our products can be deployed efficiently and reliably across various environments. You will identify deployment patterns in the field and translate those insights into actionable requirements that guide future core engineering developments. When customers encounter challenges that our product does not address, you will be the problem-solver who identifies the necessary solutions and brings them to fruition.You will steer the technical strategy of our deployments, making critical decisions that influence long-term adoption, architectural design, and the evolution of the Cognition platform in real-world applications.

Sigma Defense is hiring a Systems Engineer in Washington, DC to support Navy Above Water Sensor and Combat System projects. This position covers the full system lifecycle, from shaping early requirements through delivery and evaluation. The role involves close collaboration with government stakeholders, industry partners, and cross-functional teams. What you will do Perform engineering analyses and help develop requirements Contribute to system design and participate in technical reviews Apply Model-Based Systems Engineering and digital engineering methods Assist with risk management, trade studies, and technology assessments Evaluate system performance and help plan testing and evaluation Support modeling and simulation activities Assist with cybersecurity engineering and RMF documentation Provide technical input for acquisition milestones Work closely with stakeholders and project teams Location This position is based in Washington, District of Columbia, United States. Additional details Employment is contingent upon the successful award of a contract. Offers will be extended once the contract is finalized. Equal Opportunity Sigma Defense is an Equal Opportunity Employer/Veterans/Disabled. All qualified applicants will be considered for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status. Sigma Defense does not discriminate on the basis of disability.