NewAgile Developer L3 - Distribution UnisityAgile Developer L3 - DistributionAnnapolis Junction, MarylandDesired Skills: Tools: Cucumber/Gherkin, Cypress or Playwright, Swagger (or similar API tool), 508 testing tools (JAWS or NVDA), AWS, Mongo or other NoSQL database, Spring Boot. Compensation will vary dependent upon factors including but not limited to: Government contract rates; education; relevant prior work experience, knowledge, skills, and competencies; certifications, and geographic location.
Application Software Developers/Engineer One Federal SolutionApplication Software Developers/EngineerBeltsville, MDThis position provides Operations and Maintenance (O&M) support and application development for scientific data platforms including GeoData (open-source software), Ag Data Commons (SaaS platform with local data harvests), and related scientific research data products. The ideal candidate will have experience developing modern web applications, designing microservices, supporting scientific data repositories, and working within Linux-based environments using open-source technologies.
Java / C / AWS Software Engineer CymertekJava / C / AWS Software EngineerAnnapolis Junction, MarylandJava Developer, C Developer, AWS Software Engineer, Cloud Software Engineer, Backend Developer, Full Stack Developer, Systems Software Engineer, Cloud Application Developer, Embedded Software Engineer, Cloud Solutions Architect, etc. Computer Science, Software Engineering, Information Technology, Computer Engineering, Cloud Computing, Data Science, Information Systems, Systems Engineering, Network Engineering, Applied Mathematics, etc.
Software Engineer (JavaScript, AngularJS, MongoDB, AWS) CymertekSoftware Engineer (JavaScript, AngularJS, MongoDB, AWS)Annapolis Junction, MarylandFull Stack Developer, JavaScript Developer, Frontend Developer, Backend Developer, Web Developer, AngularJS Developer, MongoDB Developer, Cloud Software Engineer, Node.js Developer, Application Developer, etc. Computer Science, Software Engineering, Information Technology, Web Development, Computer Engineering, Data Science, Applied Mathematics, Information Systems, Systems Engineering, Cloud Computing, etc.
Full Stack Developer Tria FederalFull Stack DeveloperWoodlawn, MDThe ideal candidate is an Angular 10 and above , React or Vue Senior developer for front-end and NodeJS for backend, with hands-on experience building modern end to end web applications. What defines the Tria brand is more than just our dedication to excellence in our craft; it's our incredible team of dedicated, talented, and passionate people that make Tria so exceptional.
Senior .NET Azure AI Developer - Baltimore, MD Accenture Federal ServicesSenior .NET Azure AI Developer - Baltimore, MDBaltimore, MDThe pay range for the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland is: $100,200—$203,400 USD What We Believe As a company wholly dedicated to serving the US federal government, we bring together the best talent to help reinvent how federal agencies operate and deliver greater value for their mission and the American people. As required by local law, Accenture Federal Services provides reasonable ranges of compensation for hired roles based on labor costs in the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland .
Front-End Developer (TLM - 010) SageCor SolutionsFront-End Developer (TLM - 010)Annapolis Junction, MarylandServing Maryland and the Greater Washington D.C. area, SageCor Solutions (SageCor) is a growing company bringing complete engineering services and true full lifecycle System Engineering services to areas requiring (or desiring) nationally-recognized expertise in high performance computing, large data analytics and cutting edge information technologies. Understanding, maintaining, and troubleshooting interfaces between multiple applications.
Full Stack Developer 1 (TLM - 008) SageCor SolutionsFull Stack Developer 1 (TLM - 008)Annapolis Junction, MarylandServing Maryland and the Greater Washington D.C. area, SageCor Solutions (SageCor) is a growing company bringing complete engineering services and true full lifecycle System Engineering services to areas requiring (or desiring) nationally-recognized expertise in high performance computing, large data analytics and cutting edge information technologies. Understanding, maintaining, and troubleshooting interfaces between multiple applications.
Front-End Developer (TLM - 009) SageCor SolutionsFront-End Developer (TLM - 009)Annapolis Junction, MarylandServing Maryland and the Greater Washington D.C. area, SageCor Solutions (SageCor) is a growing company bringing complete engineering services and true full lifecycle System Engineering services to areas requiring (or desiring) nationally-recognized expertise in high performance computing, large data analytics and cutting edge information technologies. Understanding, maintaining, and troubleshooting interfaces between multiple applications.
Training Curriculum Developer/Manager Leidos Holdings IncTraining Curriculum Developer/ManagerOdenton, MD$107,900–$195,050 / yearThis training position should be able to communicate at the highest command levels internal and external to the command, taking guidance from J-7 Division Chief, J-772 DISA Chief Training Branch, and Joint Director (JDIR) leadership. Support the development of the new innovations scope and objectives, high level requirements development, and conduct training requirements and achievement of CERT completion and recommended technology acquisition planning support to enable next generation technology investments.
Full Stack Developer Avid Technology Professionals LLCFull Stack DeveloperAnnapolis Junction, MDWorking in an agile environment using JIRA and Confluence. Desire: Amazon Web Services (AWS).
Software Engineer II ClearEdgeSoftware Engineer IIAnnapolis Junction, MDWork individually or as part of a team to improve workflows, update logic, modify forms, integrate APIs, and enhance ticket routing and status tracking. If this position does not fit your skillset, please visit our Careers page to explore our current openings, or contact a ClearEdge recruiter at careers@clearedgeit.com.
Cloud Software Engineer GliaCell TechnologiesCloud Software EngineerAnnapolis Junction, MDFull timeWe also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat. Provide cloud software research, development, and engineering services to include requirements analysis, software development, installation, integration, evaluation, enhancement, sustainment, testing, validation, and issue diagnosis/resolution.
Senior Cloud Software Engineer GliaCell TechnologiesSenior Cloud Software EngineerAnnapolis Junction, MDFull timeWe also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat. Collaborate with customer teams to understand direct mission needs and requirements; devise strategies to extract meaning and value from structured and unstructured data; and collaborate with customer teams to understand mission needs.
Software Engineer SwiftSoftware EngineerAnnapolis JunctionThe Software Engineer develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real[1]time systems, and business management information systems) based upon documented requirements. Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the[1]shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components.
Training Curriculum Developer/Manager LeidosTraining Curriculum Developer/ManagerOdenton, MarylandThis training position should be able to communicate at the highest command levels internal and external to the command, taking guidance from J-7 Division Chief, J-772 DISA Chief Training Branch, and Joint Director (JDIR) leadership. July 27, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Senior-level Front-End Developer (Annapolis Junction, MD) Shield Consulting SolutionsSenior-level Front-End Developer (Annapolis Junction, MD)Annapolis Junction, MDEfforts will include enhancing section 508 accessibility of the current TESTFLIGHT interface as well as redeveloping a new frontend to incorporate section 508 accessibility capabilities in a new user interface. WEBCANDID tracks, administers, and archives requests for mission-critical published intelligence reports used by the Intelligence Community and partners around the world.
Mid-level Front-End Developer (Annapolis Junction, MD) Shield Consulting SolutionsMid-level Front-End Developer (Annapolis Junction, MD)Annapolis Junction, MDEfforts will include enhancing section 508 accessibility of the current TESTFLIGHT interface as well as redeveloping a new frontend to incorporate section 508 accessibility capabilities in a new user interface. TESTFLIGHT, is a high-performance geospatial collaboration tool that provides a single repository for formal and informal finished intelligence products.
ServiceNow Developer (Linthicum, MD) Shield Consulting SolutionsServiceNow Developer (Linthicum, MD)Linthicum, MD$190,000–$200,000 / yearJob Description: This role supports Agency modernization efforts that necessitate transitioning from an outdated NIST control catalog, consolidating capabilities from disparate systems and applications to a more centralized and supported suite of Capabilities (ServiceNow), and updating existing policies, processes, and procedures. Bachelor’s degree in a technical discipline 8 additional years of experience in the Information Technology field may be substituted for a degree.
Mid-level Front-End Developer Shield Consulting SolutionsMid-level Front-End DeveloperAnnapolis Junction, MDEfforts will include enhancing section 508 accessibility of the current TESTFLIGHT interface as well as redeveloping a new frontend to incorporate section 508 accessibility capabilities in a new user interface. TESTFLIGHT, is a high-performance geospatial collaboration tool that provides a single repository for formal and informal finished intelligence products.
Senior-level Front-End Developer Shield Consulting SolutionsSenior-level Front-End DeveloperAnnapolis Junction, MDEfforts will include enhancing section 508 accessibility of the current TESTFLIGHT interface as well as redeveloping a new frontend to incorporate section 508 accessibility capabilities in a new user interface. WEBCANDID tracks, administers, and archives requests for mission-critical published intelligence reports used by the Intelligence Community and partners around the world.
ServiceNow Developer Shield Consulting SolutionsServiceNow DeveloperLinthicum, MD$190,000–$200,000 / yearJob Description: This role supports Agency modernization efforts that necessitate transitioning from an outdated NIST control catalog, consolidating capabilities from disparate systems and applications to a more centralized and supported suite of Capabilities (ServiceNow), and updating existing policies, processes, and procedures. Bachelor’s degree in a technical discipline 8 additional years of experience in the Information Technology field may be substituted for a degree.
Junior Full Stack Developer Shield Consulting SolutionsJunior Full Stack DeveloperAnnapolis Junction, MDWEBCANDID tracks, administers, and archives requests for mission-critical published intelligence reports used by the Intelligence Community and partners around the world. Disclaimer: The salary range provided is an estimate based on current market conditions and may be adjusted based on factors such as experience, skills, and qualifications.
Senior Reverse Engineer / Application Developer Staffed4USenior Reverse Engineer / Application DeveloperAnnapolis Junction, MarylandBachelor's degree in Computer Science, Software Engineering, Computer Engineering, Cybersecurity, or a related technical discipline and twelve (12) years of relevant experience; OR. The successful candidate will work collaboratively with engineers, analysts, data specialists, and technical stakeholders to develop innovative capabilities that address complex technical challenges.
Senior Software Engineer (Reverse Engineering) Visionist, Inc.Senior Software Engineer (Reverse Engineering)Fort Meade, MD$160,000–$240,000 / yearThis premier program encompasses traditional software services including Systems Design and Engineering, Database Administration, Data Science and Knowledge Management, Enterprise Risk Management, Integration and Test, as well as Operations and Systems Support. We embed small engineering teams with analysts to rapidly identify and solve mission capability gaps playing a critical role in defending our nation's cyber infrastructure & providing expertise in malware analysis, attribution, mapping adversarial infrastructure, pen testing, and operational planning.
Senior DevOps Engineer - AWS/Java/Linux/Ansible/Git/Python Captivation SoftwareSenior DevOps Engineer - AWS/Java/Linux/Ansible/Git/PythonHanover, MarylandThe ideal candidate will have strong working knowledge in Kubernetes and Container Orchestration, Configuration Management, CI/CD, Automation, AWS, Linux systems administration, Scripting in Bash and Programming in Python, and a background in Big Data solutions. Minimum Qualifications: 9+ years of experience in DevOps Engineering or Software Development and Bachelors in related field; or 7 years relevant experience with Masters in related field; or High School Diploma or equivalent and 13 years relevant experience.
Platform Engineer - Python/Java/AWS/Linux Captivation SoftwarePlatform Engineer - Python/Java/AWS/LinuxColumbia, Maryland$130,000–$270,000 / yearMinimum Qualifications: 9+ years of experience in Platform Engineering or Software Development (Python or Java) with Bachelors in related field; OR 7 years relevant experience with Masters in related field; OR High School Diploma or equivalent and 13 years relevant experience. Will significantly contribute to the development of custom software components and integration of open-source code to address complex time series analysis problems through the use of cutting edge Big Data / Cloud technology.
Senior Application Developer 666 Freedom Technology Solutions GroupSenior Application Developer 666Annapolis JunctionWorking alongside experts in software engineering, cloud computing, DevSecOps, systems engineering, user experience, and enterprise platforms, you'll help modernize legacy systems, automate business processes, integrate commercial technologies, and deliver innovative solutions that improve efficiency, reduce costs, and enhance the user experience. Pega is a leading enterprise application platform used by major government agencies and Fortune 500 organizations to build workflow-driven applications, automate complex business processes, and modernize legacy systems.
NewFull Stack Developer AI Enabled Applications Expert In Recruitment SolutionsFull Stack Developer AI Enabled ApplicationsWoodlawn, MDMaster's and 5+ years of experience, Bachelor's and 7+ years of experience or 13+ years in lieu of a degree** Proficiency in utilizing Microsoft Azure services, with a focus on AI and ML services such as Azure OpenAI, Azure AI Search, and Azure Vision. Mastery of Azure AI services beyond the basics, including Azure Machine Learning, Azure Cognitive Services, Azure Databricks, and Azure Synapse Analytics, would make you a valuable asset.
Applications Developer Dunhill Professional Search of Wilmington, Inc.Applications DeveloperGermantown, MD$100,000–$127,000 / yearFull timeApplications Developer/Engineer, highly proficient in leading and independently maintaining, developing, testing and delivering high quality, enterprise-wide solutions. Minimum QualificationsBachelor’s Degree in Computer Science, Information Systems or a related field or equivalent relevant experience.3-5 years of experience as a Java and.
NewAutomated Test Engineer (Hybrid) - Cypress/JavaScript/Agile/Git/Jira/AWS/CI/CD Captivation SoftwareAutomated Test Engineer (Hybrid) - Cypress/JavaScript/Agile/Git/Jira/AWS/CI/CDAnnapolis Junction, MD$130,000–$270,000 / yearThis role involves close collaboration with a cross-functional Agile team of software developers, system engineers, and product owners to validate functional enhancements and support the ongoing modernization of authoring and dissemination tools. Collaboration: Participate actively in Agile ceremonies (sprint planning, demos) and work with the team to understand functional requirements and ensure comprehensive test coverage for all new features and bug fixes.
Software Application Developer Altus, LLCSoftware Application DeveloperAberdeen Proving Ground, MD$90,000–$145,000 / yearIf you enjoy intellectually challenging projects, love to code, and enjoy brainstorming with like-minded developers who are part of a highly skilled software development team then Altus may be for you! Position Overview: We are seeking a Software Application Developer to support our DoD team working on highly visible projects utilizing leading edge technologies.
WEB APPLICATION DEVELOPER Excentium IncWEB APPLICATION DEVELOPERMDThe Web Application Developer will support the Air Force Review Boards Agency (AFRBA) Case Management Tracking Analysis and Reporting System (CMTARS) Operations and Maintenance program. This role is responsible for developing, maintaining, and enhancing the agency's public-facing web portal while ensuring seamless integration with the CMTARS application.
NewActionet, Inc. Careers - Database Administrator ActioNet, Inc.Actionet, Inc. Careers - Database AdministratorSilver Spring, MD$108,000–$177,000 / yearActioNet is a CMMI-DEV Level 4, CMMI-SVC Level 4, ISO 20000, ISO 27001, ISO 9001, HDI-certified, woman-owned IT Solutions Provider with strong qualifications and expertise in Agile Software Engineering, Cloud Solutions, Cyber Security, and IT Managed Services. The position supports operational and scientific platforms used in marine environments, including systems that operate in intermittently connected or disconnected conditions, and emphasizes stability, data integrity, and procedural compliance over greenfield design.
NewSoftware Engineer 2 - Linux/Bash/Python/Docker/Kubernetes/Helm/SQL/REST Captivation SoftwareSoftware Engineer 2 - Linux/Bash/Python/Docker/Kubernetes/Helm/SQL/RESTAnnapolis Junction, MarylandCaptivation Software is looking for a mid level software engineer who shall be responsible for collaborating with Product Owners, System Engineers, and Project Software Engineers to design, develop, test, troubleshoot, and sustain a mission-focused enterprise web application deployed in a containerized Kubernetes Linux environment. Minimum Qualifications: Master's degree in Computer Science or related discipline from an accredited college or university, plus three (3) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.
Sr Oracle EBS/APEX Application Developer - Interfaces & Integrations I360Technologies, Inc.Sr Oracle EBS/APEX Application Developer - Interfaces & IntegrationsGaithersburg, MD$100,000–$130,000 / yearBuild and support inbound and outbound integrations using SQL, PL/SQL, EBS APIs, open interfaces, concurrent programs, and REST/SOAP web services. The ideal candidate will have at least seven years of Oracle application development experience, including strong hands-on experience with Oracle APEX, EBS interfaces and integrations, SQL, and PL/SQL.
Enterprise Mobile Application Developer (IOS And Android) Omm IT SolutionsEnterprise Mobile Application Developer (IOS And Android)Woodlawn, MarylandRemoteBuilding modern mobile applications that seamlessly integrate with legacy COBOL and Java backend systems while utilizing the latest technologies such as Swift, Flutter, Kotlin, Vue 3, and React Native. Set up CI/CD pipelines using GitHub Actions, GitLab CI, or Bitrise to automate builds, testing, and deployment for mobile applications.
Senior System Engineer SITEC ConsultingSenior System EngineerAnnapolis Junction, MDFull timeThe selected candidate will support engineering efforts focused on assessing existing applications, identifying technical debt, supporting cloud migration planning, developing strategic product roadmaps, and helping guide the redevelopment or modernization of mission applications. Systems Engineer Level 3 - Cloud Migration / Application Modernization SupportSITEC Consulting is seeking an experienced Systems Engineer Level 3 to support cloud migration, application modernization, technical roadmap development, and systems engineering activities in a mission-focused environment.
NewSoftware Engineer 2 - DevOps Captivation SoftwareSoftware Engineer 2 - DevOpsAnnapolis JunctionCaptivation Software is looking for a senior level software developer capable of implementing containerized application workflows and infrastructure automation using modern DevOps and cloud-native tooling. Security Clearance: Must currently hold a Top Secret/SCI U.S. Government security clearance with a favorable Polygraph, therefore all candidates must be a U.S. citizen.
Software Development Manager Sinclair IncSoftware Development ManagerHunt Valley, MD$150,000–$180,000 / yearThe Company owns, operates and/or provides services to 177 television stations in 79 markets affiliated with all major broadcast networks; owns Tennis Channel, the premium destination for tennis enthusiasts; and multicast networks CHARGE, Comet, ROAR and The Nest. Full time positions are eligible for benefits that include participation in a retirement plan, life and disability insurance, health, dental and vision plans, flexible spending accounts, 15 paid vacation days, 2 paid personal days, 9 paid holidays, 40 hours of paid sick leave, parental leave, and employee stock purchase plan.
Senior Software Engineer - Tools And Applications Visionist, Inc.Senior Software Engineer - Tools And ApplicationsLaurel, MD$170,000–$240,000 / yearWe embed small engineering teams with analysts to rapidly identify and solve mission capability gaps playing a critical role in defending our nation's cyber infrastructure & providing expertise in malware analysis, attribution, mapping adversarial infrastructure, pen testing, and operational planning. This premier program encompasses traditional software services including Systems Design and Engineering, Database Administration, Data Science and Knowledge Management, Enterprise Risk Management, Integration and Test, as well as Operations and Systems Support.
Software Engineer Prodigy OneSoftware EngineerAnnapolis Junction, MarylandIn addition, the Software Engineer supports software process management throughout development, contributes to the creation of shared functions and components, and develops, tunes, documents, and deploys automation scripts across development, test, and production environments. Working within a Behavior-Driven Development (BDD) framework, the engineer develops, tests, integrates, and deploys scalable solutions while leveraging DevOps practices and automation to ensure high-quality, reliable software delivery.
Senior Software Engineer - Tools and Applications Visionist IncSenior Software Engineer - Tools and ApplicationsLaurel, MD$170,000–$240,000 / yearWe embed small engineering teams with analysts to rapidly identify and solve mission capability gaps playing a critical role in defending our nation's cyber infrastructure & providing expertise in malware analysis, attribution, mapping adversarial infrastructure, pen testing, and operational planning. This premier program encompasses traditional software services including Systems Design and Engineering, Database Administration, Data Science and Knowledge Management, Enterprise Risk Management, Integration and Test, as well as Operations and Systems Support.
Software Engineer Sinclair IncSoftware EngineerHunt Valley, MD$86,250–$115,000 / yearThe Company owns, operates and/or provides services to 177 television stations in 79 markets affiliated with all major broadcast networks; owns Tennis Channel, the premium destination for tennis enthusiasts; and multicast networks CHARGE, Comet, ROAR and The Nest. Full time positions are eligible for benefits that include participation in a retirement plan, life and disability insurance, health, dental and vision plans, flexible spending accounts, 15 paid vacation days, 2 paid personal days, 9 paid holidays, 40 hours of paid sick leave, parental leave, and employee stock purchase plan.
Senior Addepar Data Engineer / Analyst Brown AdvisorySenior Addepar Data Engineer / AnalystBaltimore, MD$132.50–$172.50 / hourAnalyze, troubleshoot, and resolve complex data issues involving accounts, entities, ownership structures, portfolios, holdings, transactions, securities, classifications, attributes, benchmarks, performance, and reporting outputs. Strong understanding of the Addepar data model, including accounts, entities, ownership structures, portfolios, holdings, transactions, securities, classifications, attributes, benchmarks, performance, and reporting views.
JavaScript Back End Engineering (it’s a back fill role) Polar IT ServicesJavaScript Back End Engineering (it’s a back fill role)Elkridge, DelawareRemoteour Software Developers design, develop, and configure software systems to meet market and/or client requirements either end-to-end from analysis, design, implementation, quality assurance (including testing), to delivery and maintenance of the software product or system or for a specific phase of the lifecycle. • Provide functional and/or technical expertise to plan, analyse, define, and support the delivery of future functional and technical capabilities for an application or group of applications.
Senior Systems Integration Engineer (55413) DataPath, Inc.Senior Systems Integration Engineer (55413)N/A, MDDataPath, Inc. is seeking a Senior System Integration Engineer that will be responsible for bridging gaps between different technological systems, ensuring interoperability and smooth communication between software applications, hardware devices, and networks. Unlike software developers or network administrators, they focus on the broader system ecosystem, analyzing how components interact, identifying integration issues, and designing solutions to create cohesive, efficient systems.
NewTelemetry Systems Integration Engineer Lean Synergy SolutionsTelemetry Systems Integration EngineerHollywood, MD$105,000–$135,000 / yearWe are committed to supporting transitioning service members, veterans, military spouses, and civilian professionals by providing access to meaningful, long-term career opportunities in government, public, and private sector positions. Our client, a company focused on the design, engineering, sales, and support of telemetry data systems and mission-critical communications solutions, is seeking an experienced Telemetry Systems Integration Engineer.
NewDevOps Engineer (On-Call/Hybrid) - Linux/AWS/Docker/Terraform/Ansible/Git Captivation SoftwareDevOps Engineer (On-Call/Hybrid) - Linux/AWS/Docker/Terraform/Ansible/GitAnnapolis JunctionResponsibilities will include: deploying applications; installing and configuring complex software; managing network servers and technology tools; monitoring and maintaining the system for required levels of performance; and troubleshooting issues and outages. A minimum of three (3) years of experience in software development/engineering, including requirements analysis, software development, installation, integration, evaluation, enhancement, maintenance, testing, or problem diagnosis/resolution.
CNO Developer (Onsite) Nightwing Intelligence SolutionsCNO Developer (Onsite)Annapolis Junction, MarylandOur capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers’ most demanding challenges.