Senior Oracle Apex Developer Savantage SolutionsSenior Oracle Apex DeveloperRockville, MDRemote$75,000–$110,000 / yearp>Savantage Solutions is seeking a Oracle APEX Developer to join our core engineering team supporting Altimate, a proprietary Federal Financial Management System deployed for federal agency clients. Factors considered when extending an offer include but are not limited to, job responsibilities, education, experience, knowledge, skills, certifications, seniority, performance, and alignment with market data.
Web Developer Tecknomic LLCWeb DeveloperWashington, DC$48–$59 / hourFull timeThe Drupal Web Developer is responsible for designing, developing, maintaining, and enhancing web applications and digital platforms built on the latest versions of Drupal (Drupal 9/10/11). The Drupal Web Developer is responsible for designing, developing, maintaining, and enhancing web applications and digital platforms built on the latest versions of Drupal (Drupal 9/10/11).
SharePoint Developer Calibre SystemsSharePoint DeveloperSpringfield, VAResponsibilities include: Custom Solution Development: Design and build custom SharePoint components like web parts, extensions, and site templates using the SharePoint Framework (SPFx) . Certifications: Highly valued credentials include the Microsoft 365 Certified: Developer Associate (MS-600) and the Power Platform App Maker Associate (PL-100) .
Senior Applications Developer Bowhead / UIC Technical ServicesSenior Applications DeveloperArlington, VADesired: Multiple cloud platform certifications at professional level (AWS Solutions Architect Professional, Azure Solutions Architect Expert, or Google Cloud Professional Cloud Architect), Kubernetes CKA/CKAD, Docker Certified Associate, specialized security certifications. Bachelor's degree in Computer Science, Software Engineering, Information Technology, Cybersecurity, Data Science, Information Systems, or related technical field from an ABET accredited or CAE designated institution; Master's degree preferred.
Software Developer Bowhead / UIC Technical ServicesSoftware DeveloperArlington, VABachelor's degree in Computer Science, Software Engineering, Information Technology, Cybersecurity, Data Science, Information Systems, or related technical field from an ABET accredited or CAE designated institution; Master's degree preferred. This position serves as a technical leader in the modernization of legacy DoD systems, providing advanced expertise in cloud-native development, architecture design, and team leadership.
NewManager, Boomi Integration Architect KPMGManager, Boomi Integration ArchitectWashington, DCStrong working knowledge of major cloud platforms (AWS, Azure, or GCP) and related cloud-native integration services (e.g., AWS SQS/SNS, Azure Service Bus, Pub/Sub); Experience with CI/CD pipelines and DevOps practices in an integration context. These include the duties and responsibilities listed above, as well as the abilities to adhere to company policies, exercise sound judgment, effectively manage stress and work safely and respectfully with others, exhibit trustworthiness, and safeguard business operations and company reputation.
Front-End Developer NuAxis InnovationsFront-End DeveloperWashington DC, DCThis role collaborates with Product Owners, Federal Project Managers (FPMs), Business Analysts, UX/UI Designers, Solution Architects, Back-End Developers, and QA Engineers to deliver secure, scalable, and intuitive user interfaces that meet business, technical, and accessibility requirements. · Participate in Agile development activities including backlog refinement, sprint planning, code reviews, sprint demonstrations, and continuous integration.
Senior Full Stack Developer NuAxis InnovationsSenior Full Stack DeveloperWashington DC, DCThis role collaborates with Product Owners, Federal Project Managers (FPMs), Business Analysts, Solution Architects, UX/UI Designers, QA Engineers, and DevSecOps teams to deliver end-to-end solutions across the full software development lifecycle. The Senior Full Stack Developer is responsible for designing, developing, integrating, and supporting secure, scalable, and high-performing enterprise web applications using modern cloud-native technologies.
NewPower Apps Developer PlanIT GroupPower Apps DeveloperReston, VAExperience migrating business processes (InfoPath forms and SharePoint Designer workflows) to PowerApps and Flow Ability to multi-task and effectively support competing prioritize. • Applicable Degrees / Certifications to include Training and/or certification for PowerApps Professional or PowerApps Developer and Training and/or certification for Microsoft Flow.
NewIT - Software Developer IV PlanIT GroupIT - Software Developer IVReston, VAEffective verbal and written communication skills, especially for collaborating on mainframe integration with Java developers and migration planning. • Experience with test automation in unit tests, functional tests, regression tests and performance tests.
NewSoftware Developer (Microservices) PlanIT GroupSoftware Developer (Microservices)Reston, VAThis role involves developing production-grade microservices using Java 21 and Java 25, implementing clean and consistent API contracts, and ensuring secure, reliable integration with internal and external systems. Software Developer (Microservices) (Remote): Description: The Microservices Developer will be responsible for designing, building, and maintaining scalable backend services that power the platform's RESTful APIs.
NewMainframe z/OS Developer PlanIT GroupMainframe z/OS DeveloperReston, VAEffective verbal and written communication skills, especially for collaborating on mainframe integration with Java developers and migration planning. • Understanding of AI-driven code refactoring platforms/products and the ability to leverage AI to improve testing, documentation, and process optimization.
NewGen AI CCAS Application Developer System OneGen AI CCAS Application DeveloperGaithersburg, MD$56.23 / hourBachelor’s degree in Computer Science, Engineering, or related field and 2–4 years of relevant experience; or a Master’s with 2+ years of software development experience including Python and AWS Lambda troubleshooting. Write AWS Lambda (Python) functions to orchestrate Bedrock LLM calls, embeddings workflows, and model invocation logging.
Python Full Stack Developer (TS/SCI clearance) System OnePython Full Stack Developer (TS/SCI clearance)Suitland-Silver Hill, MD$250,000–$270,000 / yearOn any given week, you might be extending a Django-based API gateway, building a new React dashboard for an operational workflow, writing migration scripts to bring legacy data into a modern PostgreSQL schema, or wiring up Keycloak authentication for a new service. We are looking for a Full Stack Developer who combines deep Python expertise with genuine frontend craftsmanship, thrive in classified environments, and bring the kind of disciplined engineering mindset that produces secure, maintainable systems under real operational pressure.
NewSenior Vantage Developer System OneSenior Vantage DeveloperArlington, VAThis person should be equally comfortable discussing mission requirements with Army leadership, reviewing a Python transformation in a Foundry Code Repository, designing an Ontology model, and building or guiding the development of a user-facing Workshop or React application. The selected candidate will work directly with Army stakeholders to translate operational requirements into production data applications, analytics workflows, interactive dashboards, and decision-support tools.
NewSenior Specialist, Federal ServiceNow Developer KPMGSenior Specialist, Federal ServiceNow DeveloperWashington, DCIf you're looking for a firm with a strong team connection where you can be your whole self, have an impact, advance your skills, deepen your experiences, and have the flexibility and access to constantly find new areas of inspiration and expand your capabilities, then consider a career in Advisory. These include the duties and responsibilities listed above, as well as the abilities to adhere to company policies, exercise sound judgment, effectively manage stress and work safely and respectfully with others, exhibit trustworthiness, and safeguard business operations and company reputation.
JDE Technical Developer Business Systems Analyst Tri-S Recruiters, IncJDE Technical Developer Business Systems AnalystAlexandria, VADue to a huge JDEdwards project and increase in business we are looking for a JDEdwards EOne techno-Functional expert who could support existing applications and get involved in working with users and customers in the Warehouses, DC's and Manufacturing Plants on some new functionality along with enhancements to current needs. Act as a liaison between the functional distribution areas and IT by communicating verbally with end users in gathering user requirements, walking users through designed solutions and providing support to meet business needs.
Senior ServiceNow Developer Capgemini Government Solutions LLCSenior ServiceNow DeveloperMcLean, VAHowever, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor’s legal duty to furnish information. The disclosed range takes into account the wide range of factors that are considered in making compensation decisions including, but not limited to, geographic location, relevant education, qualifications, certifications, experience, skills, seniority, performance, sales or revenue-based metrics, and business or organizational needs.
ServiceNow Developer Capgemini Government Solutions LLCServiceNow DeveloperMcLean, VAThe disclosed range takes into account the wide range of factors that are considered in making compensation decisions including, but not limited to, geographic location, relevant education, qualifications, certifications, experience, skills, seniority, performance, sales or revenue-based metrics, and business or organizational needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem.
Power BI/ Qlik Developer Big Impact Tech (BIT)Power BI/ Qlik DeveloperWashington, DCFull timeThe ideal candidate will possess strong expertise in Power BI and/or Qlik Sense, data modeling, SQL development, and data integration to support data-driven decision-making. We are seeking an experienced Power BI / Qlik Developer to support Coast Guard reporting, analytics, and data visualization initiatives.
Senior Integration Developer Technatomy CorporationSenior Integration DeveloperWashington, DCFull timeWe are seeking an experienced Senior Integration Developer to serve as a technical anchor and architect-level, hands-on lead for the mission-critical Scheduling Event Bus Platform supporting the Department of Veterans Affairs Telehealth, Scheduling, and Mobile Platform Services (TSMP). · Lead the development of complex data fabrics, cloud-native microservices, Avro and JSON message schemas, and intelligent event-routing frameworks supporting more than 300 interconnected enterprise applications.
NewOracle API Integration Developer Bright Vision TechnologiesOracle API Integration DeveloperAshburn, VARemoteFull timeThe ideal candidate will bring strong hands-on experience with OIC integrations, processes, and visual builder applications, and will combine that with a clear understanding of integration patterns, API management, and Oracle Cloud Applications data models. We are seeking an experienced Oracle API Integration Developer to design, build, and operate enterprise integration scenarios that connect Oracle Cloud Applications, on-premises Oracle systems, and third-party platforms.
NewCloud Integration Developer Bright Vision TechnologiesCloud Integration DeveloperAshburn, VARemoteFull timeIn this role you will work closely with cross-functional partners — product, design, engineering, operations, and business stakeholders — to translate ambiguous requirements into well-engineered solutions, and will be expected to raise the bar through code review, design review, and mentorship of more junior engineers. The ideal candidate will combine strong hands-on Boomi expertise with broad knowledge of enterprise integration patterns, API management, and event-driven architectures.
Oracle Integration Developer The Maven Group, LLCOracle Integration DeveloperHerndon, VADesigns, develops, and supports enterprise integrations using Oracle Integration Cloud (OIC) to enable secure, reliable data exchange between Oracle Fusion HCM, Oracle E-Business Suite (EBS) hosted in OCI, Salesforce, EDI/SOA integrations, and external applications via managed file transfer (SFTP/FTPS). Experience integrating with enterprise SaaS/ERP platforms such as Oracle Fusion HCM, and enterprise applications such as Oracle EBS and Salesforce.
WebMethods Integration Developer PeopleNTech LLCWebMethods Integration DeveloperAlexandria, VARequired Skills & Experience: Strong experience with WebMethods Integration Server (IS), Designer/Developer, Trading Networks (TN), Universal Messaging (UM), and My WebMethods Server (MWS). Extensive experience in B2B/EDI integration, including EDI transaction mapping and processing using X12, XML, and database integrations within WebMethods.
Enterprise Integration Developer Booz Allen Hamilton IncEnterprise Integration DeveloperMcLean, VA$77,600–$176,000 / yearOnsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. You'll work with technologies such as MuleSoft Anypoint Platform, REST APIs, messaging and event platforms, and cloud services such as AWS and Azure to develop and support integrations in production.
Oracle HCM Integration Developer Next Generation IncOracle HCM Integration DeveloperAlexandria, VA$100,000–$130,000 / yearHands-on development, maintenance, and support experience implementing/supporting OIC, HCM Cloud inbound & outbound integrations using BI Publisher, HCM extracts & OTBI reports, HCM Data Loader, Spreadsheet Loader. We are looking for someone with a strong background in integration technologies, as well as experience working with Oracle Integration Cloud (OIC) and other related technologies such as SOAP/REST, SFTP, XSLT, SQL, and cloud integration, who works well in a team environment.
AI Integration Developer Consultant, Sr. Associate PricewaterhouseCoopers LLPAI Integration Developer Consultant, Sr. AssociateWashington, DC$77,000–$202,000 / yearPwC does not intend to hire experienced or entry level job seekers who will need, now or in the future, PwC sponsorship through the H-1B lottery, except as set forth within the following policy: https://pwc.to/H-1B-Lottery-Policy . At PwC, we recognize that conviction records may have a direct, adverse, and negative relationship to responsibilities such as accessing sensitive company or customer information, handling proprietary assets, or collaborating closely with team members.
Simphony STS Integration Developer TandymSimphony STS Integration DeveloperBethesda, Maryland$50–$60 / hourA technology organization is seeking a Simphony STS Integration Developer in Tennessee to design, build, and maintain RESTful API integrations between third-party digital ordering channels and a cloud POS ecosystem. This role focuses on secure, high-performance connectivity, menu synchronization, and real-time order workflows using Oracle MICROS Simphony Transaction Services Gen 2. About the Opportunity:
Sr SAP BTP Integration Developer Trillion Technology SolutionsSr SAP BTP Integration DeveloperReston, VAFull timeWe're seeking a Senior SAP Business Technology Platform (BTP) Integration Developer with strong SAP S/4HANA back-end integration experience to design, build, and support enterprise integrations in complex environments. - Build secure, reliable interfaces between SAP S/4HANA and external systems (cloud and on-prem), including event/message-based and API-led integrations.
SAP EWM ASRS Integration Developer Accenture Federal ServicesSAP EWM ASRS Integration DeveloperWashington, DCThe 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 .
SAP Process Integration (PI) Developer Accenture Federal ServicesSAP Process Integration (PI) DeveloperWashington, DCThe 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: $70,500—$136,700 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 .
Integration & PaaS Developer (OIC / VB Studio) TechWishIntegration & PaaS Developer (OIC / VB Studio)Sterling, VARemoteThe ideal candidate has hands-on experience building modern, responsive user interfaces using Oracle Visual Builder Studio (VBS) and integrating them with enterprise applications. In this role, you will be responsible for designing, developing, and deploying custom Platform-as-a-Service (PaaS) extensions and integration solutions within the Oracle Integration Cloud (OIC) ecosystem.
Staff Workday Integration Developer IonQ IncStaff Workday Integration DeveloperCollege Park, MDRemote$126,887–$166,127 / yearPlease note that in the absence of confirming you are a U.S. Person for export control and government contracts work purposes, IonQ may choose not to apply for a license or decline to use a license exception (if available) for you to access export-controlled technology that may require authorization, and similarly, you may not qualify for government contracts work that requires U.S. Persons, and IonQ may decline to proceed with your application on those bases alone. IonQ's newest generation of quantum computers, the IonQ Tempo, is the latest in a line of cutting-edge systems that have been helping customers and partners including Amazon Web Services, and AstraZeneca achieve 20x performance results and accelerate innovation in drug discovery, materials science, financial modeling, logistics, cybersecurity, and defense.
Data Integration Software Developer Marathon TSData Integration Software DeveloperReston, VAIntegration Solutions: Develop and implement integration solutions for the GAINS project using Kafka and Elastic as the primary data architecture platforms, with expanded integration to other technologies, including but not limited to Databricks. Education: Bachelor's degree in Computer Science, Mathematics, Physics, Electrical Engineering, Computer Engineering, or related discipline, with 4 years of prior relevant experience; or master's with 2 years with prior relevant experience.
Service Now Developer - Integration Engineer Emergent Technologies IncService Now Developer - Integration EngineerReston, VAFull timeA Bachelor’s or Master’s degree in Computer Science (or a related field) is preferred, along with 11+ years of relevant experience , including: Hands-on experience with ServiceNow, including ITSM, ITOM, and CMDB. Emergent Technologies Inc. is seeking a talented and motivated ServiceNow Developer / Integration Engineer to join our growing technology team in support of a mission-critical Government customer.
Service Now Developer - Integration Engineer Emergent TechnologiesService Now Developer - Integration EngineerReston, VirginiaA Bachelor’s or Master’s degree in Computer Science (or a related field) is preferred, along with 11+ years of relevant experience , including: Hands-on experience with ServiceNow, including ITSM, ITOM, and CMDB . Emergent Technologies Inc. is seeking a talented and motivated ServiceNow Developer / Integration Engineer to join our growing technology team in support of a mission-critical Government customer.
React.js Developer Frontend (CMS Integration Experience, AEM Preferred) PeopleNTech LLCReact.js Developer Frontend (CMS Integration Experience, AEM Preferred)Alexandria, VAExposure to Micro Frontend (MFE) architecture, atomic design principles, and modern build tools like Vite with Module Federation will be considered a plus. Build responsive, accessible, and cross-browser compatible UIs using HTML, CSS, and TypeScript.
NewSoftware Developer – Full-Stack / Systems Integration CACISoftware Developer – Full-Stack / Systems IntegrationFairfax, VirginiaYou'll design interconnected databases, full-stack web applications, and automated workflows that give end users real-time visibility into inventory, equipment configuration, logistics, and technical documentation and that integrate cleanly with our operational systems, IETM platform, and Learning Management System. Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.
Software Developer / Integration Engineer / INT Engineer - Active Secret Clearance Riptide TechnologySoftware Developer / Integration Engineer / INT Engineer - Active Secret ClearanceWashington, District of Columbia$160,000–$185,000 / yearTactical Network Modeling (TNM) is a network emulation and modeling environment for virtual field testing multi-path, mesh, and advanced networking protocols across all operational domains; from space to seabed. The TNM toolset creates digital twins of the protocol stack under-test across all of the relevant nodes in the network topology and then simulates the scenario using either virtualized hardware or physical connections to actual hardware in the loop.
NewSoftware Developer - Full-Stack / Systems Integration CACI International IncSoftware Developer - Full-Stack / Systems IntegrationFairfax, VA$113,200–$237,800 / yearYou''ll design interconnected databases, full-stack web applications, and automated workflows that give end users real-time visibility into inventory, equipment configuration, logistics, and technical documentation and that integrate cleanly with our operational systems, IETM platform, and Learning Management System. Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.
Junior Data Integration Developer BLN24Junior Data Integration DeveloperMcLean, VAFull timeon building and maintaining REST APIs, integrating external data services, processing and validating large datasets, and supporting scalable backend. Our service and solutions delivery start with understanding each client’s end-state, and then seamlessly integrating within each Agency’s organization to improve and enhance strategic and technical operations and deployments.
NewIntegration/Report Developer Accenture Federal ServicesIntegration/Report DeveloperArlington, VAThe 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: $86,400—$176,200 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 .
Software Developer II (Kubernetes and Integration Specialist) Rite-Solutions IncSoftware Developer II (Kubernetes and Integration Specialist)VAThere are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. Arcfield 's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, Short Term and Long-Term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.
Oracle integration Cloud OIC Developer I360Technologies, Inc.Oracle integration Cloud OIC DeveloperHerndon, VAThe role focuses on leveraging OIC as the central integration platform to enable bidirectional communication, including transaction processing (e.g., purchase orders and invoices), financial data lookups, and reference/master data exchanges (e.g., vendor, and accounting data). Design and develop REST service interfaces in OIC, including hosted services for inbound calls from the external system (e.g., transaction processing and data lookups) and outbound integrations to the external system (e.g., sending acknowledgments, status updates, and master data).
Oracle integration Cloud (OIC) Developer i360technologies, Inc.Oracle integration Cloud (OIC) DeveloperAshburn, VAThe role focuses on leveraging OIC as the central integration platform to enable bidirectional communication, including transaction processing (e.g., purchase orders and invoices), financial data lookups, and reference/master data exchanges (e.g., vendor, and accounting data). Design and develop REST service interfaces in OIC, including hosted services for inbound calls from the external system (e.g., transaction processing and data lookups) and outbound integrations to the external system (e.g., sending acknowledgments, status updates, and master data).
Sr Oracle EBS/APEX Application Developer – Interfaces & Integrations i360technologiesSr Oracle EBS/APEX Application Developer – Interfaces & IntegrationsGaithersburg, Maryland$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.
Oracle Integration Cloud (Oic) Developer i360technologies, Inc.Oracle Integration Cloud (Oic) DeveloperHerndon, VAThe role focuses on leveraging OIC as the central integration platform to enable bidirectional communication, including transaction processing (e.g., purchase orders and invoices), financial data lookups, and reference/master data exchanges (e.g., vendor, and accounting data). Design and develop REST service interfaces in OIC, including hosted services for inbound calls from the external system (e.g., transaction processing and data lookups) and outbound integrations to the external system (e.g., sending acknowledgments, status updates, and master data).
SAP Integration Suite Developer (Sr.) - U.S. Citizenship Required CGI IncSAP Integration Suite Developer (Sr.) - U.S. Citizenship RequiredFairfax, VAPlease visit this url for description https://cgi.njoyn.com/corp/xweb/xweb.asp? NTKN=c&clid=21001&Page=JobDetails&Jobid=J0326-1243&BRID=1282307〈=1 .
SAP Integration Suite Developer - U.S. Citizenship Required CGI IncSAP Integration Suite Developer - U.S. Citizenship RequiredFairfax, VAPlease visit this url for description https://cgi.njoyn.com/corp/xweb/xweb.asp? NTKN=c&clid=21001&Page=JobDetails&Jobid=J0326-1341&BRID=1282459〈=1 .