Senior Full Stack Developer

OverviewBlack Canyon Consulting (BCC) is on the lookout for a Senior Software Developer to join our team in supporting the National Center for Biotechnology Information (NCBI) at the National Library of Medicine (NLM), part of the National Institutes of Health. This full-time opportunity is based at the NIH campus in Bethesda, MD, with potential for remote work.We seek a Software Developer who specializes in Java and Python to integrate into our software development team, contributing to the Human Variation product line. This line encompasses systems such as the Single Nucleotide Polymorphism Database (dbSNP), the database of large-scale genomic variants (dbVAR), the Allele Frequency Aggregator (ALFA), and the dbGaP on FHIR (Fast Healthcare Interoperability Resources) project.As a Software Developer, you will leverage your expertise to drive development efforts that align with the objectives of the product team and the organization. You will be tasked with defining development assignments, meeting delivery timelines, and ensuring compliance with organizational policies and procedures, all under the mentorship of the Technical Program Manager and the Technical Lead of the team.Key Responsibilities:Create robust, high-performing web applications in Python/Django catering to millions of users daily.Design, develop, and implement new features for user interactions and scientific data management using contemporary APIs and frameworks.Collaborate as a core member of an agile product team to deliver an exceptional user experience.Produce responsive, accessible, and mobile-friendly code of the highest quality, utilizing automated testing, build, and deployment processes.

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.

OverviewBlack Canyon Consulting (BCC) is seeking a talented Python/Django Developer to enhance our efforts for the National Center for Biotechnology Information (NCBI) at the National Library of Medicine (NLM), part of the National Institutes of Health. This position is available as a full-time role and can be performed onsite at NIH-NCBI in Bethesda, MD, or remotely.At NCBI, the world’s leading biomedical center, we cater to over six million users daily, providing critical research, clinical, genetic, and public health information. With a diverse array of applications and platforms (including node, Python, Django, C++, and more) and environments (managing big data in petabytes and utilizing machine learning across multiple clouds), you can make a significant impact in accelerating disease cures.As a member of NCBI’s web development team, you will collaborate with software engineers to create robust and dynamic web applications, APIs, and services. We are looking for an expert developer with a comprehensive understanding of modern web development practices, testing methodologies, UI design, and usability principles. You should be adept at working with user researchers, designers, product managers, scientists, security, 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.

Greetings!We hope you're having a fantastic day!We are currently seeking a talented Junior Java Front End Developer to join our team. Please review the details below and let us know your availability.If you are interested in this opportunity, kindly send your updated resume in Word format, along with your best rate and availability for the project. Feel free to share this email with any friends who might be interested.Job Title: Junior Java Front End DeveloperLocation: Bethesda, MD (ONLY LOCAL CANDIDATES)Please note that as this is a government client, background verification will be conducted, so ensure your resume reflects genuine experience.We are looking for 3 Junior Java developers with 1-3 years of experience.

OverviewBlack Canyon Consulting (BCC) is on the lookout for a Senior Software Developer specializing in Bioinformatics and Big Data. This role will contribute to our projects for the National Center for Biotechnology Information (NCBI) at the National Library of Medicine (NLM), part of the National Institutes of Health. This position is full-time and can be performed onsite at the NIH-NCBI in Bethesda, MD, or potentially remotely.The NCBI, recognized as the nation's leading biomedical resource, is in need of a software developer to enhance biological sequence annotation and data curation infrastructure for the country's top sequence and biomedical literature repositories. With four million daily users accessing gene sequence data, biomedical journal citations, and various other crucial information impacting biomedical research and public health, our work is pivotal. NCBI’s annotation pipelines not only serve a multitude of expert communities but also drive groundbreaking discoveries in life sciences, covering medical health issues (viruses, pandemics, genetic diseases, cancer), public health (food safety, antimicrobial resistance), and essential research topics in computational biology and bioinformatics.Technically, NCBI’s diverse applications and platforms, including Node, Python, Django, and C++, manage petabyte-scale big data across multiple cloud providers, serving more users than the US Postal Service and experiencing more traffic than the IRS during tax season. We uphold the FAIR principles (Findable, Accessible, Interoperable, Reusable) and are at the forefront of civic technology and cloud computing.This role requires more than just coding expertise; we seek an individual who can collaborate effectively with subject-matter experts, user researchers, designers, product managers, scientists, security and DevOps engineers, among others. You will work alongside committed teams of skilled developers, researchers, and product professionals to create robust, adaptable solutions for numerous production applications, APIs, and services. Join our team!We offer a competitive benefits package that includes medical, dental, and vision coverage, a 401k plan with employer contributions, paid holidays, vacation, and tuition reimbursement. If you thrive in a high-performing, professionally driven service and technology organization, we invite you to apply today!

OverviewJoin Black Canyon Consulting (BCC) as a Senior Software Developer to make an impact at the National Center for Biotechnology Information (NCBI). This position is available as a full-time role, offering both onsite opportunities in Bethesda, MD, and the flexibility of remote work.The NCBI, part of the National Library of Medicine at the National Institutes of Health, is a premier biomedical center that attracts over six million users daily. These users seek vital research, clinical, genetic, and other information that plays a crucial role in advancing biomedical research and public health. At NCBI, you have the chance to contribute to innovative solutions that can accelerate cures for diseases. Our diverse range of applications and platforms, including Node.js, Python, Django, and C++, operate within environments that leverage big data, machine learning, and multi-cloud solutions.We pride ourselves on attracting top talent with a competitive benefits package that includes comprehensive medical, dental, and vision coverage, a 401k plan with employer contributions, paid holidays, vacation time, and tuition reimbursement. If you thrive in a high-performing, technology-driven environment, we encourage you to apply today!

Hello,We hope this message finds you well!Please review the job requirement below and share your availability if you're interested.If you are available and keen on this opportunity, kindly submit your updated resume in Word format along with your best hourly rate and availability for the project.Feel free to share this with your network.Additionally, please provide the following details:- Total years of experience:- Visa status:- Current pay rate/Salary:- Expected rate per hour/Salary:- Current location:- Interest in W2:Job Title: Java Developer with Agile, Spring, and MVC ExpertiseLocation: Bethesda, MDThis role is for a government client, which will require background verification. Please ensure your resume reflects genuine experience.Position: 5 Openings Available (2 Senior-Level Java Developers and 3 Mid-Level Java Developers) Duration: 3+ Years, ExtendableExperience: 10+ yearsNo OPT-EAD candidates, please.W2 or C2C arrangements only.Job Responsibilities:Required technical skills include: Core Java, J2EE, Spring (Core, MVC, Transaction Management, etc.), Tiles, Hibernate, Oracle (Procedures, Functions, Cursors, Database Design Concepts), Agile Methodology (Scrum, Kanban), Tomcat, Git, Ajax, Web Services (RESTful, Axis) ONLY LOCAL CANDIDATES WILL BE CONSIDERED Excellent written and verbal communication skills are mandatory. Candidates must reside within 50-100 miles of Bethesda, Maryland. Candidates must be willing to attend a face-to-face interview at their own expense.DB and Application Design experience is critical for the interview. Candidates should be prepared to demonstrate these skills during the testing and face-to-face interview.

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!

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.

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.

OverviewJoin Black Canyon Consulting (BCC) as a Senior C++ Software Developer and play a pivotal role in supporting the National Center for Biotechnology Information (NCBI) at the National Library of Medicine (NLM), part of the National Institutes of Health. This full-time position offers the flexibility of remote work or on-site collaboration at the NIH-NCBI facility in Bethesda, MD.At NCBI, recognized as the nation's leading biomedical resource, we are looking for a talented software developer to enhance our biological sequence annotation and data curation systems. With over four million daily users accessing crucial data, your contribution will directly impact biomedical research and public health initiatives. Our bioinformatics pipelines facilitate groundbreaking discoveries across various fields, including medical health and public safety, thus fostering advancements in computational biology and bioinformatics.Duties & Responsibilities:Develop, implement, test, and maintain bioinformatics software and information retrieval systems for NCBI.Collaborate with a diverse team of scientists, bioinformaticians, and developers to design and optimize efficient bioinformatics algorithms.Stay updated with emerging technologies, enhance internal systems, and share expertise with your team.

OverviewBlack Canyon Consulting (BCC) is actively seeking a Senior Software Developer in Bioinformatics and Big Data to enhance our initiatives with the National Center for Biotechnology Information (NCBI) at the National Library of Medicine (NLM), part of the National Institutes of Health (NIH). This is a full-time position based on-site at NIH-NCBI in Bethesda, MD, with the potential for remote work.As the leading biomedical resource in the nation, NCBI is on the lookout for a talented software developer to contribute to the development of biological sequence annotation and data curation infrastructure. These systems are vital to the foremost sequence and biomedical literature repositories, with NCBI serving over four million users daily who seek gene sequence data, biomedical journal citations, and other crucial information that advances biomedical research and public health. Our annotation pipelines not only assist specialized communities but also foster innovative discoveries in life sciences, including medical health, public health, and basic research in computational biology and bioinformatics.On a technical level, NCBI manages a diverse range of applications and platforms (including Node.js, Python, Django, and C++) across extensive big data environments, processing petabyte-scale data and operating on multiple cloud platforms. We adhere to the FAIR principles (Findable, Accessible, Interoperable, Reusable) and are pioneers in civic tech and cloud computing.This role demands more than just coding expertise; it requires collaboration with subject-matter experts, user researchers, designers, product managers, scientists, security, and DevOps engineers. You will work alongside dedicated teams of developers, researchers, and product professionals to build robust and flexible solutions for a wide array of production applications, APIs, and services. We welcome you to join our team!We pride ourselves on attracting top talent with a competitive benefits package that includes medical, dental, and vision coverage, a 401k plan with employer contributions, paid holidays, vacation, and tuition reimbursement. If you are passionate about working within a high-performing, service-oriented technology organization, we encourage you to apply today!

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.

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.

Position: Child Development SpecialistWork Location: Bethesda, MDJob Type: Part-timeSalary: $22-$28 per hourOur Mission:Make a meaningful impact. Acquire invaluable skills. Grow alongside us.At Positive Development, we believe that every child deserves the opportunity to grow, learn, and thrive, and that every aspiring professional should have the chance to engage in meaningful work that fosters valuable skills for their future.We provide one-on-one support to autistic children, assisting them in developing communication, social, and daily living skills through play-based and relationship-oriented interactions.What Sets This Role Apart:This role is not just about observing and assisting; it is about actively coaching, connecting, and facilitating growth in children, while also gaining experience that is highly relevant for careers in:PsychologySocial WorkOccupational TherapySpeech Language PathologyEducation and Special EducationCounselingMedicine and HealthThis role is incredibly rewarding but requires patience, emotional maturity, and dedication. You will receive guidance from experienced clinicians and supervisors committed to your professional growth.We are particularly enthusiastic about candidates who are:Passionate about working with children and teenagersInquisitive about human development and learning processesPatient, empathetic, and enthusiasticDependable and committed to maintaining a consistent schedule (children thrive on consistency)Comfortable working directly with families in home-based settingsIdeal candidates include education majors, psychology students, pre-med students, nursing students, and those pursuing related fields.

About Employee Navigator Employee Navigator is a rapidly expanding, profitable SaaS company that collaborates with top insurance carriers, payroll providers, and insurance brokers to streamline the management of employee benefits and HR processes. Our platform simplifies daily tasks associated with benefits administration, employee onboarding, and various HR functions. As the premier broker-focused platform in the industry, we serve over 180,000 companies and more than 14 million employees nationwide. We are also proud to have been recognized as a Top Workplace by the Washington Post for six consecutive years. About the Role In this role, you will engage in software development primarily using C# on .NET Core, alongside MVC and Vue.js for the front-end. Your responsibilities will range from creating simple forms for data capture to developing Roslyn-based C# class to REST API generators and custom patterns that optimize our enrollment engine. We prioritize collaboration and discussion during the code planning phase, ensuring high-quality outputs. Tools such as Micro-ORM, dynamic SQL, and stored procedures are employed based on the project's needs. We appreciate clean, easily readable code, and often utilize generics and functional programming techniques. As a senior engineer, your focus will be on problem-solving, defining features, and coordinating implementations with your peers. Using a Kanban process, we emphasize task clarity over strict timelines, allowing you to make informed decisions and devise creative solutions. Close collaboration with product owners and even executives ensures that features are properly understood and that we address the right challenges effectively.

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 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.