Senior Full Stack Developer

Role overview Black Canyon Consulting, together with Knowledge3, is hiring a Junior or Mid-level Full Stack Software Engineer to join a team focused on building knowledge-first systems for scientific and enterprise data. The position involves hands-on development and DevOps work, contributing to applications that transform scattered data into structured, reusable knowledge assets. Projects in this role support explainable reasoning, governed analytics, and trustworthy AI. The engineer will work across both frontend and backend environments, helping to build and operate production-ready applications. Close attention to system behavior and well-defined query patterns is important for success in this position. Location and work style This is a primarily remote position. Black Canyon Consulting prefers candidates located in the United States who are able to work East Coast hours. Most collaboration is asynchronous, with regular team coordination.

OverviewBlack Canyon Consulting (BCC) is actively seeking a skilled Senior Full Stack Engineer with a robust background in back-end development to join our team supporting the ClinicalTrials.gov (CTG) initiative at the National Institutes of Health (NIH). This pivotal role involves designing and implementing scalable back-end services for a state-of-the-art, enterprise-level data submission platform that must achieve full functional parity with a legacy system while enhancing maintainability, reliability, and performance.Your primary responsibilities will include analyzing legacy codebases and existing business rules, comprehending complex regulatory and workflow logic, and translating that functionality into clean, efficiently architected services in the new system. Familiarity with server-side templates will be advantageous.The ideal candidate will contribute to ensuring that the back-end architecture supports scalability, containerization, observability, and modern DevOps practices in alignment with cloud-native principles.You will collaborate with a highly skilled, cross-functional team that includes Front-end Engineers, Product Managers, UX Designers, QA, DevOps, and client stakeholders to deliver a mission-critical platform that supports clinical research data utilized by hundreds of thousands of users daily.

Job OverviewJoin Black Canyon Consulting (BCC) as a skilled Full Stack Developer (C++) supporting the National Center for Biotechnology Information (NCBI) at the National Library of Medicine (NLM), a key part of the National Institutes of Health (NIH). This full-time position is based in Bethesda, MD, with flexible options for remote work.At NCBI, a leading biomedical center attracting over six million daily users, your contributions will directly influence biomedical research and public health initiatives. You will work with a diverse range of technologies, including Node.js, Python, Django, and C++, in a dynamic environment characterized by big data, machine learning, and cloud computing.As a member of our talented web development team, you will be tasked with creating robust web applications, APIs, and services. We seek an adept developer with a strong foundation in modern web development practices, testing methodologies, UI design principles, and collaborative skills to work effectively alongside user researchers, designers, product managers, scientists, and DevOps engineers.

M9 Solutions is a leading provider of IT services and solutions specifically tailored for the Federal Government. We excel in mobilizing skilled personnel, advanced technologies, and the necessary security clearances to facilitate organizations aiming for enhanced performance and sustainable transformation. With a proven track record, M9 has successfully delivered top-notch IT services to over 30 Federal Agencies and numerous commercial clients nationwide. Our expertise encompasses digital transformation, software development, cloud migration, applications and infrastructure, cybersecurity, data delivery and analytics, and IT talent solutions.M9 Solutions is currently seeking a Full Stack Developer to join our dynamic team in a hybrid remote/onsite capacity, supporting a government contract in Bethesda, MD. Candidates must possess an active TS/SCI clearance.

OverviewJoin Black Canyon Consulting (BCC) as a Full Stack Developer - Python/Django/ReactJS, where your skills will contribute to our mission with the National Center for Biotechnology Information (NCBI) at the National Library of Medicine (NLM), part of the National Institutes of Health (NIH). This full-time position offers flexibility to work onsite in Bethesda, MD, or remotely.The NCBI stands as a premier biomedical resource, catering to over six million daily users who seek vital research, clinical, and genetic information that drives advancements in public health and biomedical research. By working here, you will be part of a team that accelerates cures for diseases through cutting-edge applications and services.Your primary role will involve collaborating with NCBI’s web developers and software engineers to create robust web applications, APIs, and services. We’re looking for an expert web developer with a strong foundation in modern web development, testing protocols, UI design, and usability principles. You should be adept at collaborating with user researchers, designers, product managers, scientists, security teams, and DevOps engineers.

OverviewBlack Canyon Consulting (BCC) is on the lookout for a talented Full Stack Developer - Python/Django/ReactJS to enhance our initiatives at the National Center for Biotechnology Information (NCBI) within the National Library of Medicine (NLM), part of the National Institutes of Health (NIH). This is a full-time position available both onsite at the NIH-NCBI in Bethesda, MD and through remote work.The NCBI is a leading biomedical center that attracts over six million daily users seeking critical research, clinical, genetic, and public health information. By joining us, you will contribute directly to accelerating cures for diseases! Our diverse applications and platforms utilize modern technologies across big data, machine learning, and cloud environments, serving more users than nearly any other U.S. government agency.As part of the NCBI team, you will collaborate with web developers and software engineers to create robust, adaptable web applications, APIs, and services. This role requires a deep understanding of modern web development, testing, UI design principles, and the ability to work efficiently with user researchers, designers, product managers, scientists, and DevOps engineers.

OverviewBlack Canyon Consulting (BCC) is excited to announce an opening for a Full-Stack Developer to join our User Services and Collection Division (USCD), a key component of the U.S. National Library of Medicine, part of the National Institutes of Health. The USCD oversees a vast array of biomedical literature, health information, and data resources, dedicated to the core mission of collecting, curating, and connecting the world to invaluable information.The selected Full-Stack Developer will engage with the DailyMed project. DailyMed is a free, official resource from the NIH, providing the latest drug labeling (package inserts) for both prescription and over-the-counter medications, medical devices, and gases directly from the FDA. Managed by the NLM, it serves as a comprehensive, user-friendly database for patients, clinicians, and researchers to retrieve standardized and up-to-date information on dosages, warnings, interactions, and more, aiding public health initiatives.This is a full-time position based in Bethesda, MD, working alongside the USCD team.

Position OverviewBlack Canyon Consulting (BCC) is actively seeking a talented Full Stack Developer proficient in Python, Django, and Angular to contribute to the National Center for Biotechnology Information (NCBI), a vital component of the U.S. National Library of Medicine, National Institutes of Health. This role is hybrid, requiring candidates to be onsite at the NCBI in Bethesda, MD, approximately two days a week.The Full Stack Developer will be instrumental in developing solutions for NCBI’s Sequence Read Archive (SRA), the leading global repository for Next Generation Sequencing (NGS) data. This initiative is part of an international collaboration with archives in Europe and Japan. SRA plays a crucial role in making biological sequence data accessible to the research community, facilitating reproducibility and enabling groundbreaking discoveries through data analysis and comparison. With the SRA being a Big Data archive containing tens of petabytes of data, future enhancements will increase its utility across various fields, including Medical Health (genetic diseases, cancer), Public Health (food safety monitoring, antimicrobial resistance, viral outbreaks), and microbial diversity, among others.As a part of the National Library of Medicine (NLM) within the NIH, NCBI serves over six million users daily, providing access to critical research, clinical, genetic, and other information that significantly impacts biomedical research and public health. Joining NCBI means you can directly contribute to accelerating cures for diseases!

OverviewBlack Canyon Consulting (BCC) is seeking a talented Full-Stack Developer to join our User Services and Collection Division (USCD), part of the U.S. National Library of Medicine, National Institutes of Health. The USCD plays a crucial role in managing the NLM's vast collection of biomedical literature, health information, and data resources. Our primary mission is to collect, curate, and connect the world to this invaluable information.The Full-Stack Developer will focus on RxNorm, a standardized naming system for U.S. prescription and over-the-counter medications. This system provides

OverviewJoin Black Canyon Consulting (BCC) as a Full-Stack Developer specializing in Python, Django, and Angular to support the National Center for Biotechnology Information (NCBI), a part of the U.S. National Library of Medicine at the National Institutes of Health. This full-time position is based in Bethesda, MD.The Full-Stack Developer will contribute to the ongoing enhancement of NCBI's Sequence Read Archive (SRA)—the leading global archive for Next Generation Sequencing (NGS) data. This role involves collaboration in an international initiative that encompasses archives in Europe and Japan. The SRA plays a crucial role in making biological sequence data derived from NGS accessible to the research community, promoting reproducibility and enabling significant discoveries through comprehensive data analysis.NCBI, which supports over six million daily users seeking essential research, clinical, genetic, and other health-related information, offers an opportunity to make a direct impact on biomedical research and public health. By joining NCBI, you can help accelerate cures for diseases!With a diverse range of applications and platforms (including Node, Python, Django, Angular, and C++), NCBI operates in big data environments (petabytes), machine learning, and various cloud infrastructures, serving more users than nearly any other U.S. Government Agency.

OverviewBlack Canyon Consulting (BCC) is seeking a talented Mid-Level Software Developer specializing in C++ and JavaScript to contribute to the National Center for Biotechnology Information (NCBI). This full-time position is based onsite at the NCBI in Bethesda, MD. The NCBI Taxonomy encompasses the names of nearly half a million species across all domains of life, playing a vital role in organizing information across resources at NCBI and its international collaborators.The selected Software Developer will engage in the development of innovative solutions that support the ongoing enhancement of resources at NCBI.We pride ourselves on attracting top talent through a competitive benefits package that includes medical, dental, and vision insurance, a 401k plan with employer contributions, paid holidays, vacation days, and tuition reimbursement. If you are eager to be part of a dynamic, high-performing, service-oriented technology organization, we encourage you to apply today!

Role overview ZoomInfo seeks a Software Engineer III to join the team in either Bethesda, MD or Waltham, MA. This role focuses on building and refining software that underpins ZoomInfo’s products. The position emphasizes creating dependable solutions that adapt to evolving client requirements. What you will do Design, develop, and maintain software as part of a collaborative engineering team Work alongside colleagues from various departments to deliver new features and product enhancements Contribute to projects that broaden and strengthen ZoomInfo’s product suite

Join ZoomInfo as a Mid-Market VIP Account Manager, where you will play a pivotal role in driving customer success and ensuring the satisfaction of our high-value clients. In this dynamic position, you will leverage your relationship management skills to foster strong connections with key accounts, understand their needs, and provide tailored solutions that enhance their experience with our platform.

At ZoomInfo, we believe in accelerating careers. Our fast-paced environment encourages bold thinking and empowers you to achieve your best work. Join a team that values collaboration, challenges each other, and celebrates achievements. With state-of-the-art tools that enhance your impact and a culture that supports your ambitions, you will not just contribute; you will drive innovation swiftly.About the Role:We are on the lookout for a skilled Senior Software Engineer to bolster our dynamic data team. In this pivotal role, you will spearhead the development of our technographic data services, creating top-tier data pipelines and systems designed to handle billions of signals and data points. This is a unique opportunity to tackle complex challenges and significantly influence our commitment to elevating technographics as a premier offering.What You'll Do:Create and refine extensive data pipelines to extract and process signals from various sources, including web and job postings.Design and build data architectures and storage solutions to effectively manage vast amounts of data.Work closely with data scientists to support and integrate machine learning models within data workflows.Continuously enhance the quality, performance, and scalability of our technographic data platform.Lead technical strategy and outline the roadmap for our data processing infrastructure.

Join our innovative team as a Research Java Software Engineer, where you will play a pivotal role in supporting the National Institutes of Health (NIH). Collaborate closely with research personnel to develop and enhance the next-generation literature search system. Your expertise will contribute to the implementation of content generation and the delivery of vital components for biomedical researchers, clinicians, and the public.Your responsibilities will include:Designing and developing a new architecture utilizing RESTful services.Employing your skills in Java development, Scala, REST services, and XML to create robust solutions.

OverviewJoin our dynamic team at the Applied Clinical Informatics Branch (ACIB) within the Lister Hill National Center for Biomedical Communications (LHNCBC), part of the National Library of Medicine (NLM) at the National Institutes of Health (NIH). We are on the lookout for a talented Deep Learning Software Engineer to leverage cutting-edge deep learning techniques to enhance biomedical image analysis and clinical data interpretation, ultimately aiding in clinical decision-making and predictive analytics. Your contributions will focus on developing innovative tools for detecting retinal diseases, classifying severity, and predicting disease progression.

About Employee NavigatorEmployee Navigator is a rapidly expanding and profitable SaaS company dedicated to partnering with top-tier insurance carriers, payroll service providers, and insurance brokers. Our mission is to streamline the management of employee benefits and HR processes. Our innovative platform simplifies day-to-day tasks associated with benefits administration, employee onboarding, and various HR functions. Serving over 180,000 businesses and 14 million employees nationwide, we are proud to have been recognized as a Washington Post Top Workplace for six consecutive years.About the RoleWe are on the lookout for an experienced Senior Backend Engineer to design, develop, and maintain the APIs that drive Employee Navigator’s benefits enrollment platform. You will collaborate closely with business units, product managers, and QA teams to deliver high-quality APIs for both internal and external use. The ideal candidate will have 7+ years of experience in developing and managing high-traffic, customer-facing APIs, and will leverage their expertise to enhance our API offerings.Our technology stack includes C# on .NET 8 with WebAPI, MVC, and Vue.js for frontend development. Our projects range from simple data capture forms to complex Roslyn-based C# class-to-REST API generators and custom patterns for our enrollment engine. We prioritize planning and peer discussions to ensure the best code quality before implementation. Depending on the task at hand, we utilize Micro-ORM, dynamic SQL, or stored procedures, favoring generics and functional programming for readability.We follow a Kanban methodology, allowing the pace of work to be determined by task definition rather than arbitrary deadlines. We seek engineers who can make informed decisions and devise creative solutions. Close collaboration with product owners and executives ensures features are well understood and relevant problems are addressed.Please note: This position requires onsite work at either our Bethesda, MD or Salt Lake City, UT office on a hybrid schedule.

At ZoomInfo, we create an environment where careers thrive. We prioritize speed, bold thinking, and empowering you to achieve your best work. You will collaborate with dedicated teammates who challenge each other and celebrate victories. With innovative tools that enhance your impact and a supportive culture that nurtures your ambitions, you will not just contribute; you will drive significant results—rapidly.In the role of Senior Software Engineer within the API & MCP Platform team, you will lead the charge in developing and enhancing ZoomInfo's API infrastructure, managing millions of API requests weekly that facilitate integrations throughout our platform. Your work will involve utilizing Java and NestJS to create secure, scalable, and high-performance API services that ensure smooth connectivity for our customers and partners.You will be responsible for designing and implementing scalable API architectures, establishing solid API security and authentication best practices, and building systems that allow partners and customers to leverage ZoomInfo's data at scale. Your proficiency in API design, OAuth 2.0, and cutting-edge technologies like the Model Context Protocol (MCP) will be pivotal in crafting exceptional developer experiences.Our engineering culture embraces diversity, curiosity, and openness. We foster collaboration, innovative thinking, and calculated risk-taking in a blame-free environment. You will have the autonomy to work on impactful projects while receiving the mentorship and support necessary for your professional growth.

Join ZoomInfo, where your career can flourish and accelerate at an unprecedented pace. We are a dynamic team that values speed, innovation, and teamwork. At ZoomInfo, you will have the opportunity to make a significant impact alongside colleagues who are passionate, challenging, and dedicated to celebrating each other's successes. Our tools are designed to amplify your contributions, and our culture champions your ambitions, enabling you to not just participate but to drive results swiftly. As a Mid-Market New Business Account Executive, you will be pivotal in propelling our company’s growth by strategically engaging with medium-sized enterprises and navigating their complex decision-making structures to secure new business opportunities. This role requires a deep understanding of the unique challenges and needs faced by mid-market clients, allowing you to tailor solutions that provide exceptional value. Your success will hinge on effectively managing full sales cycles, from initial outreach to deal closure, while coordinating interactions with multiple stakeholders to achieve consensus and streamline decision-making.